diff --git a/.gitignore b/.gitignore index e105467..aa73cc5 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,5 @@ node_modules build/*.json +!build/contributors.json +data/*.md +npm-debug.log diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..a74af32 --- /dev/null +++ b/Makefile @@ -0,0 +1,40 @@ +PATH := $(PWD)/node_modules/.bin:$(PATH) + +.PHONY: bundle clean relink disc + +bundle: build/bundle.min.js build/splash.min.js + +clean: + rm -rf build/*.js build/*.json data/*.md + +disc: + browserify src/index.js src/splash.js --full-paths | uglifyjs -c | discify --open + +start: relink build/examples.json build/contributors.json + wzrd src/index.js:build/bundle.min.js \ + src/splash.js:build/splash.min.js + +relink: + district stackgl splash-grid + +postinstall: relink + scoped-bulk stackgl npm install + npm dedupe + +build/: + mkdir build + +build/bundle.min.js: build/ build/examples.json build/contributors.json + browserify src/index.js | uglifyjs -c > build/bundle.min.js + +build/splash.min.js: build/ build/examples.json + browserify src/splash.js | uglifyjs -c > build/splash.min.js + +build/examples.json: build/ data/examples.md + node data/regenerate + +build/contributors.json: build/ + node data/contributors + +data/examples.md: build/ + node data/sync diff --git a/bg.jpg b/bg.jpg new file mode 100644 index 0000000..9f1d091 Binary files /dev/null and b/bg.jpg differ diff --git a/build/bundle.min.js b/build/bundle.min.js new file mode 100644 index 0000000..213dc4d --- /dev/null +++ b/build/bundle.min.js @@ -0,0 +1 @@ +!function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;oAn introduction to the WebGL API that runs in your browser. webgl-workshop\nis a NodeSchool workshop originally created for\nCampJS IV. Everything is powered by node.js, browserify and\na selection of stackgl packages under the hood.

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  • \n \n
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    • \n'),examples=require("../build/examples.json").map(function(meta){return thumb(meta)}).join("\n");document.getElementById("examples").querySelector("ul.thumbs").appendChild(domify(examples));var contribs=require("../build/contributors.json"),upper=Math.ceil(.1*contribs.length);contribs=[].concat(contribs.slice(0,upper).sort(shuffle)).concat(contribs.slice(upper).sort(shuffle)).map(function(d){return'
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v-=v>>>1&1431655765,16843009*((v=(858993459&v)+(v>>>2&858993459))+(v>>>4)&252645135)>>>24},exports.countTrailingZeros=countTrailingZeros,exports.nextPow2=function(v){return v+=0===v,--v,v|=v>>>1,v|=v>>>2,v|=v>>>4,v|=v>>>8,(v|=v>>>16)+1},exports.prevPow2=function(v){return v|=v>>>1,v|=v>>>2,v|=v>>>4,v|=v>>>8,(v|=v>>>16)-(v>>>1)},exports.parity=function(v){return v^=v>>>16,v^=v>>>8,v^=v>>>4,27030>>>(v&=15)&1};var REVERSE_TABLE=new Array(256);!function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1)r<<=1,r|=1&v,--s;tab[i]=r<>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]},exports.interleave2=function(x,y){return x&=65535,x=16711935&(x|x<<8),x=252645135&(x|x<<4),x=858993459&(x|x<<2),x=1431655765&(x|x<<1),y&=65535,y=16711935&(y|y<<8),y=252645135&(y|y<<4),y=858993459&(y|y<<2),y=1431655765&(y|y<<1),x|y<<1},exports.deinterleave2=function(v,n){return v=v>>>n&1431655765,v=858993459&(v|v>>>1),v=252645135&(v|v>>>2),v=16711935&(v|v>>>4),(v=65535&(v|v>>>16))<<16>>16},exports.interleave3=function(x,y,z){return x&=1023,x=4278190335&(x|x<<16),x=251719695&(x|x<<8),x=3272356035&(x|x<<4),x=1227133513&(x|x<<2),y&=1023,y=4278190335&(y|y<<16),y=251719695&(y|y<<8),y=3272356035&(y|y<<4),y=1227133513&(y|y<<2),x|=y<<1,z&=1023,z=4278190335&(z|z<<16),z=251719695&(z|z<<8),z=3272356035&(z|z<<4),z=1227133513&(z|z<<2),x|z<<2},exports.deinterleave3=function(v,n){return v=v>>>n&1227133513,v=3272356035&(v|v>>>2),v=251719695&(v|v>>>4),v=4278190335&(v|v>>>8),(v=1023&(v|v>>>16))<<22>>22},exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],9:[function(require,module,exports){function fit(canvas,parent,scale){function resize(){var p=resize.parent||canvas.parentNode;if("function"==typeof p)var dims=p(scratch)||scratch,width=dims[0],height=dims[1];else if(p&&p!==document.body)var psize=size(p),width=0|psize[0],height=0|psize[1];else var width=window.innerWidth,height=window.innerHeight;return isSVG?(canvas.setAttribute("width",width*resize.scale+"px"),canvas.setAttribute("height",height*resize.scale+"px")):(canvas.width=width*resize.scale,canvas.height=height*resize.scale),canvas.style.width=width+"px",canvas.style.height=height+"px",resize}var isSVG="SVG"===canvas.nodeName.toUpperCase();return canvas.style.position=canvas.style.position||"absolute",canvas.style.top=0,canvas.style.left=0,resize.scale=parseFloat(scale||1),resize.parent=parent,resize()}var size=require("element-size");module.exports=fit;var scratch=new Float32Array(2)},{"element-size":17}],10:[function(require,module,exports){(function(Buffer){"use strict";function objectToString(o){return Object.prototype.toString.call(o)}function clone(parent,circular,depth,prototype){function _clone(parent,depth){if(null===parent)return null;if(0==depth)return parent;var child,proto;if("object"!=typeof parent)return parent;if(util.isArray(parent))child=[];else if(util.isRegExp(parent))child=new RegExp(parent.source,util.getRegExpFlags(parent)),parent.lastIndex&&(child.lastIndex=parent.lastIndex);else if(util.isDate(parent))child=new Date(parent.getTime());else{if(useBuffer&&Buffer.isBuffer(parent))return child=new Buffer(parent.length),parent.copy(child),child;void 0===prototype?(proto=Object.getPrototypeOf(parent),child=Object.create(proto)):(child=Object.create(prototype),proto=prototype)}if(circular){var index=allParents.indexOf(parent);if(-1!=index)return allChildren[index];allParents.push(parent),allChildren.push(child)}for(var i in parent){var attrs;proto&&(attrs=Object.getOwnPropertyDescriptor(proto,i)),attrs&&null==attrs.set||(child[i]=_clone(parent[i],depth-1))}return child}var allParents=[],allChildren=[],useBuffer=void 0!==Buffer;return void 0===circular&&(circular=!0),void 0===depth&&(depth=1/0),_clone(parent,depth)}var util={isArray:function(ar){return Array.isArray(ar)||"object"==typeof ar&&"[object Array]"===objectToString(ar)},isDate:function(d){return"object"==typeof d&&"[object Date]"===objectToString(d)},isRegExp:function(re){return"object"==typeof re&&"[object RegExp]"===objectToString(re)},getRegExpFlags:function(re){var flags="";return re.global&&(flags+="g"),re.ignoreCase&&(flags+="i"),re.multiline&&(flags+="m"),flags}};"object"==typeof module&&(module.exports=clone),clone.clonePrototype=function(parent){if(null===parent)return null;var c=function(){};return c.prototype=parent,new c}}).call(this,require("buffer").Buffer)},{buffer:108}],11:[function(require,module,exports){function cubecube(w,h,d,filter){filter=filter||truthy;for(var size=[1/w,1/h,1/d],cubes=[],x=0;x0)throw new Error("cwise: pre() block may not reference array args");if(i0)throw new Error("cwise: post() block may not reference array args")}else if("scalar"===arg_type)proc.scalarArgs.push(i),proc.shimArgs.push("scalar"+i);else if("index"===arg_type){if(proc.indexArgs.push(i),i0)throw new Error("cwise: pre() block may not reference array index");if(i0)throw new Error("cwise: post() block may not reference array index")}else if("shape"===arg_type){if(proc.shapeArgs.push(i),iproc_args.length)throw new Error("cwise: Too many arguments in pre() block");if(proc.body.args.length>proc_args.length)throw new Error("cwise: Too many arguments in body() block");if(proc.post.args.length>proc_args.length)throw new Error("cwise: Too many arguments in post() block");return proc.debug=!!user_args.printCode||!!user_args.debug,proc.funcName=user_args.funcName||"cwise",proc.blockSize=user_args.blockSize||64,createThunk(proc)}var createThunk=require("./lib/thunk.js");module.exports=compileCwise},{"./lib/thunk.js":14}],13:[function(require,module,exports){"use strict";function innerFill(order,proc,body){var i,j,dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0;for(i=0;i0&&code.push("var "+vars.join(",")),i=dimension-1;i>=0;--i)idx=order[i],code.push(["for(i",i,"=0;i",i,"0&&code.push(["index[",pidx,"]-=s",pidx].join("")),code.push(["++index[",idx,"]"].join(""))),code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){for(var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[],i=0;i0;){"].join("")),code.push(["if(j",i,"<",blockSize,"){"].join("")),code.push(["s",order[i],"=j",i].join("")),code.push(["j",i,"=0"].join("")),code.push(["}else{s",order[i],"=",blockSize].join("")),code.push(["j",i,"-=",blockSize,"}"].join("")),has_index&&code.push(["index[",order[i],"]=j",i].join(""));for(var i=0;i0&&(allEqual=allEqual&&summary[i]===summary[i-1])}return allEqual?summary[0]:summary.join("")}function generateCWiseOp(proc,typesig){for(var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0,orders=new Array(proc.arrayArgs.length),dtypes=new Array(proc.arrayArgs.length),i=0;i0&&vars.push("shape=SS.slice(0)"),proc.indexArgs.length>0){for(var zeros=new Array(dimension),i=0;i0&&code.push("var "+vars.join(","));for(var i=0;i3&&code.push(processBlock(proc.pre,proc,dtypes));var body=processBlock(proc.body,proc,dtypes),matched=countMatches(loopOrders);matched3&&code.push(processBlock(proc.post,proc,dtypes)),proc.debug&&console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------");var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");return new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""))()}var uniq=require("uniq");module.exports=generateCWiseOp},{uniq:101}],14:[function(require,module,exports){"use strict";function createThunk(proc){var code=["'use strict'","var CACHED={}"],vars=[],thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));for(var typesig=[],string_typesig=[],proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")],shapeLengthConditions=[],shapeConditions=[],i=0;i0&&(shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))),shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]"))}proc.arrayArgs.length>1&&(code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')"),code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex--\x3e0;) {"),code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')"),code.push("}"));for(var i=0;i0)return dupe_number(0|count,value);break;case"object":if("number"==typeof count.length)return dupe_array(count,value,0)}return[]}module.exports=dupe},{}],17:[function(require,module,exports){function getSize(element){if(element===window||element===document.body)return[window.innerWidth,window.innerHeight];if(!element.parentNode){var temporary=!0;document.body.appendChild(element)}var bounds=element.getBoundingClientRect(),styles=getComputedStyle(element),height=(0|bounds.height)+parse(styles.getPropertyValue("margin-top"))+parse(styles.getPropertyValue("margin-bottom")),width=(0|bounds.width)+parse(styles.getPropertyValue("margin-left"))+parse(styles.getPropertyValue("margin-right"));return temporary&&document.body.removeChild(element),[width,height]}function parse(prop){return parseFloat(prop)||0}module.exports=getSize},{}],18:[function(require,module,exports){function faceNormals(verts,output){var l=verts.length;output||(output=new Float32Array(l));for(var i=0;ilen)return gl.bufferData(type,data,usage),data.length;if(data.length+offset>len)throw new Error("gl-buffer: If resizing buffer, offset must be 0");return gl.bufferSubData(type,offset,data),len}function makeScratchTypeArray(array,dtype){for(var res=pool.malloc(array.length,dtype),n=array.length,i=0;i0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");this.gl.bufferData(this.type,array,this.usage),this.length=array}else if(array.shape){var dtype=array.dtype;if("float64"!==dtype&&"array"!==dtype&&"generic"!==dtype||(dtype="float32"),this.type===this.gl.ELEMENT_ARRAY_BUFFER&&(dtype="uint16"),1!==array.shape.length)throw new Error("gl-buffer: Array length must be 1");if(dtype===array.dtype&&1===array.stride[0])0===array.offset&&array.data.length===array.shape[0]?this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset):this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset);else{var tmp=pool.malloc(array.shape[0],dtype),ndt=ndarray(tmp);ops.assign(ndt,array),this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset),pool.free(tmp)}}else if(Array.isArray(array))if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var t=makeScratchTypeArray(array,"uint16");this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset),pool.freeUint16(t)}else{var t=makeScratchTypeArray(array,"float32");this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset),pool.freeFloat32(t)}else this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)},GLBuffer.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this.type===gl.ARRAY_BUFFER)gl.drawArrays(mode,offset,count);else{if(this.type!==gl.ELEMENT_ARRAY_BUFFER)throw new Error("Invalid type for WebGL buffer");this.bind(),gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}},module.exports=createBuffer},{ndarray:70,"ndarray-ops":69,"typedarray-pool":99}],21:[function(require,module,exports){function defaults(opts){return{color:array(opts.color,[0,0,0,1]),depth:number(opts.depth,1),stencil:number(opts.stencil,!1)}}function number(n,def){return!1!==n&&(void 0===n?def:n+0)}function array(a,def){return!1!==a&&(Array.isArray(a)?a||def:def)}module.exports=defaults},{}],22:[function(require,module,exports){function clear(opts){opts=defaults(opts||{});var stencil=opts.stencil,color=opts.color,depth=opts.depth;return function(gl){var flags=0;return!1!==color&&(gl.clearColor(color[0],color[1],color[2],color[3]),flags|=gl.COLOR_BUFFER_BIT),!1!==depth&&(gl.clearDepth(depth),flags|=gl.DEPTH_BUFFER_BIT),!1!==stencil&&(gl.clearStencil(stencil),flags|=gl.STENCIL_BUFFER_BIT),gl.clear(flags),gl}}var defaults=require("./defaults");module.exports=clear},{"./defaults":21}],23:[function(require,module,exports){module.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_VEC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],24:[function(require,module,exports){var gl10=require("./1.0/numbers");module.exports=function(number){return gl10[number]}},{"./1.0/numbers":23}],25:[function(require,module,exports){function createContext(canvas,opts,render){function tick(){render(gl),raf(tick)}"function"==typeof opts?(render=opts,opts={}):opts=opts||{};var gl=canvas.getContext("webgl",opts)||canvas.getContext("webgl-experimental",opts)||canvas.getContext("experimental-webgl",opts);if(!gl)throw new Error("Unable to initialize WebGL");return render&&raf(tick),gl}var raf=require("raf-component");module.exports=createContext},{"raf-component":91}],26:[function(require,module,exports){"use strict";function lazyInitColorAttachments(gl,ext){var maxColorAttachments=gl.getParameter(ext.MAX_COLOR_ATTACHMENTS_WEBGL);colorAttachmentArrays=new Array(maxColorAttachments+1);for(var i=0;i<=maxColorAttachments;++i){for(var x=new Array(maxColorAttachments),j=0;j1&&ext.drawBuffersWEBGL(colorAttachmentArrays[numColor]),extensions.WEBGL_depth_texture?useStencil?fbo.depth=initTexture(gl,width,height,extensions.WEBGL_depth_texture.UNSIGNED_INT_24_8_WEBGL,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT):useDepth&&(fbo.depth=initTexture(gl,width,height,gl.UNSIGNED_SHORT,gl.DEPTH_COMPONENT,gl.DEPTH_ATTACHMENT)):useDepth&&useStencil?fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT):useDepth?fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_COMPONENT16,gl.DEPTH_ATTACHMENT):useStencil&&(fbo._depth_rb=initRenderBuffer(gl,width,height,gl.STENCIL_INDEX,gl.STENCIL_ATTACHMENT));var status=gl.checkFramebufferStatus(gl.FRAMEBUFFER);if(status!==gl.FRAMEBUFFER_COMPLETE){fbo._destroyed=!0,gl.bindFramebuffer(gl.FRAMEBUFFER,null),gl.deleteFramebuffer(fbo.handle),fbo.handle=null,fbo.depth&&(fbo.depth.dispose(),fbo.depth=null),fbo._depth_rb&&(gl.deleteRenderbuffer(fbo._depth_rb),fbo._depth_rb=null);for(var i=0;imaxFBOSize||height<0||height>maxFBOSize)throw new Error("gl-fbo: Parameters are too large for FBO");options=options||{};var numColors=1;if("color"in options){if((numColors=Math.max(0|options.color,0))<0)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(numColors>1){var mrtext=extensions.WEBGL_draw_buffers;if(!mrtext)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(numColors>gl.getParameter(mrtext.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+numColors+" draw buffers")}}var colorType=gl.UNSIGNED_BYTE;if(options.float&&numColors>0){if(!extensions.OES_texture_float)throw new Error("gl-fbo: Context does not support floating point textures");colorType=gl.FLOAT}else options.preferFloat&&numColors>0&&extensions.OES_texture_float&&(colorType=gl.FLOAT);var useDepth=!0;"depth"in options&&(useDepth=!!options.depth);var useStencil=!1;return"stencil"in options&&(useStencil=!!options.stencil),new Framebuffer(gl,width,height,colorType,numColors,useDepth,useStencil,extensions.WEBGL_draw_buffers)}var webglew=require("webglew"),createTexture=require("gl-texture2d");module.exports=createFBO;var FRAMEBUFFER_UNSUPPORTED,FRAMEBUFFER_INCOMPLETE_ATTACHMENT,FRAMEBUFFER_INCOMPLETE_DIMENSIONS,FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT,colorAttachmentArrays=null,proto=Framebuffer.prototype;Object.defineProperty(proto,"valid",{get:function(){return!this._destroyed}}),Object.defineProperty(proto,"shape",{get:function(){return this._destroyed?[0,0]:this._shape},set:function(x){if(this._destroyed)throw new Error("gl-fbo: Can't resize destroyed FBO");if(!(this._shape[0]===x[0]|0&&this._shape[1]===x[1]|0)){var gl=this.gl,maxFBOSize=gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);if(!Array.isArray(x)||2!==x.length||x[0]<0||x[0]>maxFBOSize||x[1]<0||x[1]>maxFBOSize)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");this._shape[0]=0|x[0],this._shape[1]=0|x[1];for(var i=0;ilen)throw new Error("gl-buffer: If resizing buffer, must not specify offset");return gl.bufferSubData(type,offset,data),len}function makeScratchTypeArray(array,dtype){for(var res=pool.malloc(array.length,dtype),n=array.length,i=0;i=0;--i){if(stride[i]!==n)return!1;n*=shape[i]}return!0}function createBuffer(gl,data,type,usage){if(type=type||gl.ARRAY_BUFFER,usage=usage||gl.DYNAMIC_DRAW,type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER)throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER");if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW)throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW");var handle=gl.createBuffer(),result=new GLBuffer(gl,type,handle,0,usage);return result.update(data),result}var pool=require("typedarray-pool"),ops=require("ndarray-ops"),ndarray=require("ndarray"),SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"],proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)},proto.unbind=function(){this.gl.bindBuffer(this.type,null)},proto.dispose=function(){this.gl.deleteBuffer(this.handle)},proto.update=function(array,offset){if("number"!=typeof offset&&(offset=-1),this.bind(),"object"==typeof array&&void 0!==array.shape){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0&&(dtype="float32"),this.type===this.gl.ELEMENT_ARRAY_BUFFER){dtype=gl.getExtension("OES_element_index_uint")&&"uint16"!==dtype?"uint32":"uint16"}if(dtype===array.dtype&&isPacked(array.shape,array.stride))0===array.offset&&array.data.length===array.shape[0]?this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset):this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset);else{var tmp=pool.malloc(array.size,dtype),ndt=ndarray(tmp,array.shape);ops.assign(ndt,array),this.length=offset<0?updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset):updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset),pool.free(tmp)}}else if(Array.isArray(array)){var t;t=this.type===this.gl.ELEMENT_ARRAY_BUFFER?makeScratchTypeArray(array,"uint16"):makeScratchTypeArray(array,"float32"),this.length=offset<0?updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset):updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset),pool.free(t)}else if("object"==typeof array&&"number"==typeof array.length)this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset);else{if("number"!=typeof array&&void 0!==array)throw new Error("gl-buffer: Invalid data type");if(offset>=0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");array|=0,array<=0&&(array=1),this.gl.bufferData(this.type,0|array,this.usage),this.length=array}},module.exports=createBuffer},{ndarray:70,"ndarray-ops":69,"typedarray-pool":37}],33:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){elements?elements.bind():gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null);var nattribs=0|gl.getParameter(gl.MAX_VERTEX_ATTRIBS);if(attributes){if(attributes.length>nattribs)throw new Error("gl-vao: Too many vertex attributes");for(var i=0;i0?d.pop():new ArrayBuffer(n)}function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)} +function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}function mallocUint8Clamped(n){return hasUint8C?new Uint8ClampedArray(mallocArrayBuffer(n),0,n):mallocUint8(n)}function mallocBigUint64(n){return hasBigUint64?new BigUint64Array(mallocArrayBuffer(8*n),0,n):null}function mallocBigInt64(n){return hasBigInt64?new BigInt64Array(mallocArrayBuffer(8*n),0,n):null}function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=BUFFER[log_n];return cache.length>0?cache.pop():new Buffer(n)}var bits=require("bit-twiddle"),dup=require("dup"),Buffer=require("buffer").Buffer;global.__TYPEDARRAY_POOL||(global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),BIGUINT64:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),BIGINT64:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])});var hasUint8C="undefined"!=typeof Uint8ClampedArray,hasBigUint64="undefined"!=typeof BigUint64Array,hasBigInt64="undefined"!=typeof BigInt64Array,POOL=global.__TYPEDARRAY_POOL;POOL.UINT8C||(POOL.UINT8C=dup([32,0])),POOL.BIGUINT64||(POOL.BIGUINT64=dup([32,0])),POOL.BIGINT64||(POOL.BIGINT64=dup([32,0])),POOL.BUFFER||(POOL.BUFFER=dup([32,0]));var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function(array){if(Buffer.isBuffer(array))BUFFER[bits.log2(array.length)].push(array);else{if("[object ArrayBuffer]"!==Object.prototype.toString.call(array)&&(array=array.buffer),!array)return;var n=array.length||array.byteLength,log_n=0|bits.log2(n);DATA[log_n].push(array)}},exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeBigUint64=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeBigInt64=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray,exports.freeArrayBuffer=freeArrayBuffer,exports.freeBuffer=function(array){BUFFER[bits.log2(array.length)].push(array)},exports.malloc=function(n,dtype){if(void 0===dtype||"arraybuffer"===dtype)return mallocArrayBuffer(n);switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"bigint64":return mallocBigInt64(n);case"biguint64":return mallocBigUint64(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}return null},exports.mallocArrayBuffer=mallocArrayBuffer,exports.mallocUint8=mallocUint8,exports.mallocUint16=mallocUint16,exports.mallocUint32=mallocUint32,exports.mallocInt8=mallocInt8,exports.mallocInt16=mallocInt16,exports.mallocInt32=mallocInt32,exports.mallocFloat32=exports.mallocFloat=mallocFloat,exports.mallocFloat64=exports.mallocDouble=mallocDouble,exports.mallocUint8Clamped=mallocUint8Clamped,exports.mallocBigUint64=mallocBigUint64,exports.mallocBigInt64=mallocBigInt64,exports.mallocDataView=mallocDataView,exports.mallocBuffer=mallocBuffer,exports.clearCache=function(){for(var i=0;i<32;++i)POOL.UINT8[i].length=0,POOL.UINT16[i].length=0,POOL.UINT32[i].length=0,POOL.INT8[i].length=0,POOL.INT16[i].length=0,POOL.INT32[i].length=0,POOL.FLOAT[i].length=0,POOL.DOUBLE[i].length=0,POOL.BIGUINT64[i].length=0,POOL.BIGINT64[i].length=0,POOL.UINT8C[i].length=0,DATA[i].length=0,BUFFER[i].length=0}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"bit-twiddle":30,buffer:108,dup:31}],38:[function(require,module,exports){function normalize(gl,attr,size,mode,type){return Array.isArray(attr)&&Array.isArray(attr[0])?{buffer:createBuffer(gl,pack(attr,type),mode),length:attr.length}:Array.isArray(attr)?{buffer:createBuffer(gl,new(dtype(type))(attr),mode),length:attr.length/size}:attr.handle instanceof WebGLBuffer?{buffer:attr,length:attr.length/size/4}:attr.cells&&attr.positions?{length:attr.cells.length*size,buffer:createBuffer(gl,pack(attr.positions,type),mode),index:createBuffer(gl,pack(attr.cells,"uint16"),gl.ELEMENT_ARRAY_BUFFER)}:isnd(attr)?{buffer:createBuffer(gl,attr,mode),length:ndlength(attr.shape)/size}:ista(attr)?(!type||attr instanceof dtype(type)||(attr=convert(attr,dtype(type))),{buffer:createBuffer(gl,attr,mode),length:attr.length/size}):void 0}function ndlength(shape){for(var length=1,i=0;i0&&(o=1/Math.sqrt(o),t[0]=r*o,t[1]=a*o,t[2]=e*o,t[3]=u*o),t},n.dot=function(t,n){return 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t[0]=1-(l+d),t[1]=M+p,t[2]=h-m,t[3]=0,t[4]=M-p,t[5]=1-(f+d),t[6]=v+b,t[7]=0,t[8]=h+m,t[9]=v-b,t[10]=1-(f+l),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function i(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t[3]=n[3]-r[3],t[4]=n[4]-r[4],t[5]=n[5]-r[5],t[6]=n[6]-r[6],t[7]=n[7]-r[7],t[8]=n[8]-r[8],t[9]=n[9]-r[9],t[10]=n[10]-r[10],t[11]=n[11]-r[11],t[12]=n[12]-r[12],t[13]=n[13]-r[13],t[14]=n[14]-r[14],t[15]=n[15]-r[15],t}Object.defineProperty(n,"__esModule",{value:!0}),n.sub=n.mul=void 0,n.create=function(){var t=new a.ARRAY_TYPE(16);return a.ARRAY_TYPE!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0),t[0]=1,t[5]=1,t[10]=1,t[15]=1,t},n.clone=function(t){var n=new a.ARRAY_TYPE(16);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n[6]=t[6],n[7]=t[7],n[8]=t[8],n[9]=t[9],n[10]=t[10],n[11]=t[11],n[12]=t[12],n[13]=t[13],n[14]=t[14],n[15]=t[15],n},n.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},n.fromValues=function(t,n,r,e,u,o,i,s,c,f,M,h,l,v,d,b){var m=new a.ARRAY_TYPE(16);return m[0]=t,m[1]=n,m[2]=r,m[3]=e,m[4]=u,m[5]=o,m[6]=i,m[7]=s,m[8]=c,m[9]=f,m[10]=M,m[11]=h,m[12]=l,m[13]=v,m[14]=d,m[15]=b,m},n.set=function(t,n,r,a,e,u,o,i,s,c,f,M,h,l,v,d,b){return t[0]=n,t[1]=r,t[2]=a,t[3]=e,t[4]=u,t[5]=o,t[6]=i,t[7]=s,t[8]=c,t[9]=f,t[10]=M,t[11]=h,t[12]=l,t[13]=v,t[14]=d,t[15]=b,t},n.identity=e,n.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[3],u=n[6],o=n[7],i=n[11];t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=r,t[6]=n[9],t[7]=n[13],t[8]=a,t[9]=u,t[11]=n[14],t[12]=e,t[13]=o,t[14]=i}else t[0]=n[0],t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=n[1],t[5]=n[5],t[6]=n[9],t[7]=n[13],t[8]=n[2],t[9]=n[6],t[10]=n[10],t[11]=n[14],t[12]=n[3],t[13]=n[7],t[14]=n[11],t[15]=n[15];return t},n.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15],p=r*i-a*o,P=r*s-e*o,A=r*c-u*o,E=a*s-e*i,O=a*c-u*i,R=e*c-u*s,y=f*d-M*v,q=f*b-h*v,x=f*m-l*v,_=M*b-h*d,Y=M*m-l*d,L=h*m-l*b,S=p*L-P*Y+A*_+E*x-O*q+R*y;return S?(S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(e*Y-a*L-u*_)*S,t[2]=(d*R-b*O+m*E)*S,t[3]=(h*O-M*R-l*E)*S,t[4]=(s*x-o*L-c*q)*S,t[5]=(r*L-e*x+u*q)*S,t[6]=(b*A-v*R-m*P)*S,t[7]=(f*R-h*A+l*P)*S,t[8]=(o*Y-i*x+c*y)*S,t[9]=(a*x-r*Y-u*y)*S,t[10]=(v*O-d*A+m*p)*S,t[11]=(M*A-f*O-l*p)*S,t[12]=(i*q-o*_-s*y)*S,t[13]=(r*_-a*q+e*y)*S,t[14]=(d*P-v*E-b*p)*S,t[15]=(f*E-M*P+h*p)*S,t):null},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15];return t[0]=i*(h*m-l*b)-M*(s*m-c*b)+d*(s*l-c*h),t[1]=-(a*(h*m-l*b)-M*(e*m-u*b)+d*(e*l-u*h)),t[2]=a*(s*m-c*b)-i*(e*m-u*b)+d*(e*c-u*s),t[3]=-(a*(s*l-c*h)-i*(e*l-u*h)+M*(e*c-u*s)),t[4]=-(o*(h*m-l*b)-f*(s*m-c*b)+v*(s*l-c*h)),t[5]=r*(h*m-l*b)-f*(e*m-u*b)+v*(e*l-u*h),t[6]=-(r*(s*m-c*b)-o*(e*m-u*b)+v*(e*c-u*s)),t[7]=r*(s*l-c*h)-o*(e*l-u*h)+f*(e*c-u*s),t[8]=o*(M*m-l*d)-f*(i*m-c*d)+v*(i*l-c*M),t[9]=-(r*(M*m-l*d)-f*(a*m-u*d)+v*(a*l-u*M)),t[10]=r*(i*m-c*d)-o*(a*m-u*d)+v*(a*c-u*i),t[11]=-(r*(i*l-c*M)-o*(a*l-u*M)+f*(a*c-u*i)),t[12]=-(o*(M*b-h*d)-f*(i*b-s*d)+v*(i*h-s*M)),t[13]=r*(M*b-h*d)-f*(a*b-e*d)+v*(a*h-e*M),t[14]=-(r*(i*b-s*d)-o*(a*b-e*d)+v*(a*s-e*i)),t[15]=r*(i*h-s*M)-o*(a*h-e*M)+f*(a*s-e*i),t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8],f=t[9],M=t[10],h=t[11],l=t[12],v=t[13],d=t[14],b=t[15];return(n*o-r*u)*(M*b-h*d)-(n*i-a*u)*(f*b-h*v)+(n*s-e*u)*(f*d-M*v)+(r*i-a*o)*(c*b-h*l)-(r*s-e*o)*(c*d-M*l)+(a*s-e*i)*(c*v-f*l)},n.multiply=u,n.translate=function(t,n,r){var a=r[0],e=r[1],u=r[2],o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0;return n===t?(t[12]=n[0]*a+n[4]*e+n[8]*u+n[12],t[13]=n[1]*a+n[5]*e+n[9]*u+n[13],t[14]=n[2]*a+n[6]*e+n[10]*u+n[14],t[15]=n[3]*a+n[7]*e+n[11]*u+n[15]):(o=n[0],i=n[1],s=n[2],c=n[3],f=n[4],M=n[5],h=n[6],l=n[7],v=n[8],d=n[9],b=n[10],m=n[11],t[0]=o,t[1]=i,t[2]=s,t[3]=c,t[4]=f,t[5]=M,t[6]=h,t[7]=l,t[8]=v,t[9]=d,t[10]=b,t[11]=m,t[12]=o*a+f*e+v*u+n[12],t[13]=i*a+M*e+d*u+n[13],t[14]=s*a+h*e+b*u+n[14],t[15]=c*a+l*e+m*u+n[15]),t},n.scale=function(t,n,r){var a=r[0],e=r[1],u=r[2];return t[0]=n[0]*a,t[1]=n[1]*a,t[2]=n[2]*a,t[3]=n[3]*a,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*u,t[9]=n[9]*u,t[10]=n[10]*u,t[11]=n[11]*u,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},n.rotate=function(t,n,r,e){var u=e[0],o=e[1],i=e[2],s=Math.sqrt(u*u+o*o+i*i),c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0,p=void 0,P=void 0,A=void 0,E=void 0,O=void 0,R=void 0,y=void 0,q=void 0,x=void 0,_=void 0,Y=void 0,L=void 0,S=void 0,w=void 0,I=void 0;return s0?(r[0]=2*(c*s+h*e+f*i-M*u)/l,r[1]=2*(f*s+h*u+M*e-c*i)/l,r[2]=2*(M*s+h*i+c*u-f*e)/l):(r[0]=2*(c*s+h*e+f*i-M*u),r[1]=2*(f*s+h*u+M*e-c*i),r[2]=2*(M*s+h*i+c*u-f*e)),o(t,n,r),t},n.getTranslation=function(t,n){return t[0]=n[12],t[1]=n[13],t[2]=n[14],t},n.getScaling=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[4],o=n[5],i=n[6],s=n[8],c=n[9],f=n[10];return t[0]=Math.sqrt(r*r+a*a+e*e),t[1]=Math.sqrt(u*u+o*o+i*i),t[2]=Math.sqrt(s*s+c*c+f*f),t},n.getRotation=function(t,n){var r=n[0]+n[5]+n[10],a=0;return r>0?(a=2*Math.sqrt(r+1),t[3]=.25*a,t[0]=(n[6]-n[9])/a,t[1]=(n[8]-n[2])/a,t[2]=(n[1]-n[4])/a):n[0]>n[5]&&n[0]>n[10]?(a=2*Math.sqrt(1+n[0]-n[5]-n[10]),t[3]=(n[6]-n[9])/a,t[0]=.25*a,t[1]=(n[1]+n[4])/a,t[2]=(n[8]+n[2])/a):n[5]>n[10]?(a=2*Math.sqrt(1+n[5]-n[0]-n[10]),t[3]=(n[8]-n[2])/a,t[0]=(n[1]+n[4])/a,t[1]=.25*a,t[2]=(n[6]+n[9])/a):(a=2*Math.sqrt(1+n[10]-n[0]-n[5]),t[3]=(n[1]-n[4])/a,t[0]=(n[8]+n[2])/a,t[1]=(n[6]+n[9])/a,t[2]=.25*a),t},n.fromRotationTranslationScale=function(t,n,r,a){var e=n[0],u=n[1],o=n[2],i=n[3],s=e+e,c=u+u,f=o+o,M=e*s,h=e*c,l=e*f,v=u*c,d=u*f,b=o*f,m=i*s,p=i*c,P=i*f,A=a[0],E=a[1],O=a[2];return t[0]=(1-(v+b))*A,t[1]=(h+P)*A,t[2]=(l-p)*A,t[3]=0,t[4]=(h-P)*E,t[5]=(1-(M+b))*E,t[6]=(d+m)*E,t[7]=0,t[8]=(l+p)*O,t[9]=(d-m)*O,t[10]=(1-(M+v))*O,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t},n.fromRotationTranslationScaleOrigin=function(t,n,r,a,e){var u=n[0],o=n[1],i=n[2],s=n[3],c=u+u,f=o+o,M=i+i,h=u*c,l=u*f,v=u*M,d=o*f,b=o*M,m=i*M,p=s*c,P=s*f,A=s*M,E=a[0],O=a[1],R=a[2],y=e[0],q=e[1],x=e[2],_=(1-(d+m))*E,Y=(l+A)*E,L=(v-P)*E,S=(l-A)*O,w=(1-(h+m))*O,I=(b+p)*O,N=(v+P)*R,g=(b-p)*R,T=(1-(h+d))*R;return t[0]=_,t[1]=Y,t[2]=L,t[3]=0,t[4]=S,t[5]=w,t[6]=I,t[7]=0,t[8]=N,t[9]=g,t[10]=T,t[11]=0,t[12]=r[0]+y-(_*y+S*q+N*x),t[13]=r[1]+q-(Y*y+w*q+g*x),t[14]=r[2]+x-(L*y+I*q+T*x),t[15]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[1]=f+m,t[2]=h-b,t[3]=0,t[4]=f-m,t[5]=1-c-v,t[6]=l+d,t[7]=0,t[8]=h+b,t[9]=l-d,t[10]=1-c-M,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.frustum=function(t,n,r,a,e,u,o){var i=1/(r-n),s=1/(e-a),c=1/(u-o);return t[0]=2*u*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*u*s,t[6]=0,t[7]=0,t[8]=(r+n)*i,t[9]=(e+a)*s,t[10]=(o+u)*c,t[11]=-1,t[12]=0,t[13]=0,t[14]=o*u*2*c,t[15]=0,t},n.perspective=function(t,n,r,a,e){var u=1/Math.tan(n/2),o=void 0;return t[0]=u/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=u,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=e&&e!==1/0?(o=1/(a-e), +t[10]=(e+a)*o,t[14]=2*e*a*o):(t[10]=-1,t[14]=-2*a),t},n.perspectiveFromFieldOfView=function(t,n,r,a){var e=Math.tan(n.upDegrees*Math.PI/180),u=Math.tan(n.downDegrees*Math.PI/180),o=Math.tan(n.leftDegrees*Math.PI/180),i=Math.tan(n.rightDegrees*Math.PI/180),s=2/(o+i),c=2/(e+u);return t[0]=s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=c,t[6]=0,t[7]=0,t[8]=-(o-i)*s*.5,t[9]=(e-u)*c*.5,t[10]=a/(r-a),t[11]=-1,t[12]=0,t[13]=0,t[14]=a*r/(r-a),t[15]=0,t},n.ortho=function(t,n,r,a,e,u,o){var i=1/(n-r),s=1/(a-e),c=1/(u-o);return t[0]=-2*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*s,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*c,t[11]=0,t[12]=(n+r)*i,t[13]=(e+a)*s,t[14]=(o+u)*c,t[15]=1,t},n.lookAt=function(t,n,r,u){var o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=n[0],m=n[1],p=n[2],P=u[0],A=u[1],E=u[2],O=r[0],R=r[1],y=r[2];return Math.abs(b-O)0&&(l=1/Math.sqrt(l),f*=l,M*=l,h*=l);var v=s*h-c*M,d=c*f-i*h,b=i*M-s*f;return(l=v*v+d*d+b*b)>0&&(l=1/Math.sqrt(l),v*=l,d*=l,b*=l),t[0]=v,t[1]=d,t[2]=b,t[3]=0,t[4]=M*b-h*d,t[5]=h*v-f*b,t[6]=f*d-M*v,t[7]=0,t[8]=f,t[9]=M,t[10]=h,t[11]=0,t[12]=e,t[13]=u,t[14]=o,t[15]=1,t},n.str=function(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2)+Math.pow(t[9],2)+Math.pow(t[10],2)+Math.pow(t[11],2)+Math.pow(t[12],2)+Math.pow(t[13],2)+Math.pow(t[14],2)+Math.pow(t[15],2))},n.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t[3]=n[3]+r[3],t[4]=n[4]+r[4],t[5]=n[5]+r[5],t[6]=n[6]+r[6],t[7]=n[7]+r[7],t[8]=n[8]+r[8],t[9]=n[9]+r[9],t[10]=n[10]+r[10],t[11]=n[11]+r[11],t[12]=n[12]+r[12],t[13]=n[13]+r[13],t[14]=n[14]+r[14],t[15]=n[15]+r[15],t},n.subtract=i,n.multiplyScalar=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=n[7]*r,t[8]=n[8]*r,t[9]=n[9]*r,t[10]=n[10]*r,t[11]=n[11]*r,t[12]=n[12]*r,t[13]=n[13]*r,t[14]=n[14]*r,t[15]=n[15]*r,t},n.multiplyScalarAndAdd=function(t,n,r,a){return t[0]=n[0]+r[0]*a,t[1]=n[1]+r[1]*a,t[2]=n[2]+r[2]*a,t[3]=n[3]+r[3]*a,t[4]=n[4]+r[4]*a,t[5]=n[5]+r[5]*a,t[6]=n[6]+r[6]*a,t[7]=n[7]+r[7]*a,t[8]=n[8]+r[8]*a,t[9]=n[9]+r[9]*a,t[10]=n[10]+r[10]*a,t[11]=n[11]+r[11]*a,t[12]=n[12]+r[12]*a,t[13]=n[13]+r[13]*a,t[14]=n[14]+r[14]*a,t[15]=n[15]+r[15]*a,t},n.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]&&t[4]===n[4]&&t[5]===n[5]&&t[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]&&t[9]===n[9]&&t[10]===n[10]&&t[11]===n[11]&&t[12]===n[12]&&t[13]===n[13]&&t[14]===n[14]&&t[15]===n[15]},n.equals=function(t,n){var r=t[0],e=t[1],u=t[2],o=t[3],i=t[4],s=t[5],c=t[6],f=t[7],M=t[8],h=t[9],l=t[10],v=t[11],d=t[12],b=t[13],m=t[14],p=t[15],P=n[0],A=n[1],E=n[2],O=n[3],R=n[4],y=n[5],q=n[6],x=n[7],_=n[8],Y=n[9],L=n[10],S=n[11],w=n[12],I=n[13],N=n[14],g=n[15];return Math.abs(r-P)<=a.EPSILON*Math.max(1,Math.abs(r),Math.abs(P))&&Math.abs(e-A)<=a.EPSILON*Math.max(1,Math.abs(e),Math.abs(A))&&Math.abs(u-E)<=a.EPSILON*Math.max(1,Math.abs(u),Math.abs(E))&&Math.abs(o-O)<=a.EPSILON*Math.max(1,Math.abs(o),Math.abs(O))&&Math.abs(i-R)<=a.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(s-y)<=a.EPSILON*Math.max(1,Math.abs(s),Math.abs(y))&&Math.abs(c-q)<=a.EPSILON*Math.max(1,Math.abs(c),Math.abs(q))&&Math.abs(f-x)<=a.EPSILON*Math.max(1,Math.abs(f),Math.abs(x))&&Math.abs(M-_)<=a.EPSILON*Math.max(1,Math.abs(M),Math.abs(_))&&Math.abs(h-Y)<=a.EPSILON*Math.max(1,Math.abs(h),Math.abs(Y))&&Math.abs(l-L)<=a.EPSILON*Math.max(1,Math.abs(l),Math.abs(L))&&Math.abs(v-S)<=a.EPSILON*Math.max(1,Math.abs(v),Math.abs(S))&&Math.abs(d-w)<=a.EPSILON*Math.max(1,Math.abs(d),Math.abs(w))&&Math.abs(b-I)<=a.EPSILON*Math.max(1,Math.abs(b),Math.abs(I))&&Math.abs(m-N)<=a.EPSILON*Math.max(1,Math.abs(m),Math.abs(N))&&Math.abs(p-g)<=a.EPSILON*Math.max(1,Math.abs(p),Math.abs(g))};var a=function(t){if(t&&t.__esModule)return t;var n={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(n[r]=t[r]);return n.default=t,n}(r(0));n.mul=u,n.sub=i},function(t,n,r){"use strict";function e(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=r[0],l=r[1],v=r[2],d=r[3],b=r[4],m=r[5],p=r[6],P=r[7],A=r[8];return t[0]=h*a+l*o+v*c,t[1]=h*e+l*i+v*f,t[2]=h*u+l*s+v*M,t[3]=d*a+b*o+m*c,t[4]=d*e+b*i+m*f,t[5]=d*u+b*s+m*M,t[6]=p*a+P*o+A*c,t[7]=p*e+P*i+A*f,t[8]=p*u+P*s+A*M,t}function u(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t[3]=n[3]-r[3],t[4]=n[4]-r[4],t[5]=n[5]-r[5],t[6]=n[6]-r[6],t[7]=n[7]-r[7],t[8]=n[8]-r[8],t}Object.defineProperty(n,"__esModule",{value:!0}),n.sub=n.mul=void 0,n.create=function(){var t=new a.ARRAY_TYPE(9);return a.ARRAY_TYPE!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[5]=0,t[6]=0,t[7]=0),t[0]=1,t[4]=1,t[8]=1,t},n.fromMat4=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[4],t[4]=n[5],t[5]=n[6],t[6]=n[8],t[7]=n[9],t[8]=n[10],t},n.clone=function(t){var n=new a.ARRAY_TYPE(9);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n[6]=t[6],n[7]=t[7],n[8]=t[8],n},n.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromValues=function(t,n,r,e,u,o,i,s,c){var f=new a.ARRAY_TYPE(9);return f[0]=t,f[1]=n,f[2]=r,f[3]=e,f[4]=u,f[5]=o,f[6]=i,f[7]=s,f[8]=c,f},n.set=function(t,n,r,a,e,u,o,i,s,c){return t[0]=n,t[1]=r,t[2]=a,t[3]=e,t[4]=u,t[5]=o,t[6]=i,t[7]=s,t[8]=c,t},n.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[5];t[1]=n[3],t[2]=n[6],t[3]=r,t[5]=n[7],t[6]=a,t[7]=e}else t[0]=n[0],t[1]=n[3],t[2]=n[6],t[3]=n[1],t[4]=n[4],t[5]=n[7],t[6]=n[2],t[7]=n[5],t[8]=n[8];return t},n.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=f*o-i*c,h=-f*u+i*s,l=c*u-o*s,v=r*M+a*h+e*l;return v?(v=1/v,t[0]=M*v,t[1]=(-f*a+e*c)*v,t[2]=(i*a-e*o)*v,t[3]=h*v,t[4]=(f*r-e*s)*v,t[5]=(-i*r+e*u)*v,t[6]=l*v,t[7]=(-c*r+a*s)*v,t[8]=(o*r-a*u)*v,t):null},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8];return t[0]=o*f-i*c,t[1]=e*c-a*f,t[2]=a*i-e*o,t[3]=i*s-u*f,t[4]=r*f-e*s,t[5]=e*u-r*i,t[6]=u*c-o*s,t[7]=a*s-r*c,t[8]=r*o-a*u,t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8];return n*(c*u-o*s)+r*(-c*e+o*i)+a*(s*e-u*i)},n.multiply=e,n.translate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=r[0],l=r[1];return t[0]=a,t[1]=e,t[2]=u,t[3]=o,t[4]=i,t[5]=s,t[6]=h*a+l*o+c,t[7]=h*e+l*i+f,t[8]=h*u+l*s+M,t},n.rotate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=Math.sin(r),l=Math.cos(r);return t[0]=l*a+h*o,t[1]=l*e+h*i,t[2]=l*u+h*s,t[3]=l*o-h*a,t[4]=l*i-h*e,t[5]=l*s-h*u,t[6]=c,t[7]=f,t[8]=M,t},n.scale=function(t,n,r){var a=r[0],e=r[1];return t[0]=a*n[0],t[1]=a*n[1],t[2]=a*n[2],t[3]=e*n[3],t[4]=e*n[4],t[5]=e*n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=n[0],t[7]=n[1],t[8]=1,t},n.fromRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=-r,t[4]=a,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=n[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromMat2d=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=0,t[3]=n[2],t[4]=n[3],t[5]=0,t[6]=n[4],t[7]=n[5],t[8]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[3]=f-m,t[6]=h+b,t[1]=f+m,t[4]=1-c-v,t[7]=l-d,t[2]=h-b,t[5]=l+d,t[8]=1-c-M,t},n.normalFromMat4=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15],p=r*i-a*o,P=r*s-e*o,A=r*c-u*o,E=a*s-e*i,O=a*c-u*i,R=e*c-u*s,y=f*d-M*v,q=f*b-h*v,x=f*m-l*v,_=M*b-h*d,Y=M*m-l*d,L=h*m-l*b,S=p*L-P*Y+A*_+E*x-O*q+R*y;return S?(S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(s*x-o*L-c*q)*S,t[2]=(o*Y-i*x+c*y)*S,t[3]=(e*Y-a*L-u*_)*S,t[4]=(r*L-e*x+u*q)*S,t[5]=(a*x-r*Y-u*y)*S,t[6]=(d*R-b*O+m*E)*S,t[7]=(b*A-v*R-m*P)*S,t[8]=(v*O-d*A+m*p)*S,t):null},n.projection=function(t,n,r){return t[0]=2/n,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/r,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t},n.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},n.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t[3]=n[3]+r[3],t[4]=n[4]+r[4],t[5]=n[5]+r[5],t[6]=n[6]+r[6],t[7]=n[7]+r[7],t[8]=n[8]+r[8],t},n.subtract=u,n.multiplyScalar=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=n[7]*r,t[8]=n[8]*r,t},n.multiplyScalarAndAdd=function(t,n,r,a){return t[0]=n[0]+r[0]*a,t[1]=n[1]+r[1]*a,t[2]=n[2]+r[2]*a,t[3]=n[3]+r[3]*a,t[4]=n[4]+r[4]*a,t[5]=n[5]+r[5]*a,t[6]=n[6]+r[6]*a,t[7]=n[7]+r[7]*a,t[8]=n[8]+r[8]*a,t},n.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]&&t[4]===n[4]&&t[5]===n[5]&&t[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]},n.equals=function(t,n){var r=t[0],e=t[1],u=t[2],o=t[3],i=t[4],s=t[5],c=t[6],f=t[7],M=t[8],h=n[0],l=n[1],v=n[2],d=n[3],b=n[4],m=n[5],p=n[6],P=n[7],A=n[8];return 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a=l(r(0)),e=l(r(9)),u=l(r(8)),o=l(r(5)),i=l(r(4)),s=l(r(3)),c=l(r(7)),f=l(r(6)),M=l(r(2)),h=l(r(1));n.glMatrix=a,n.mat2=e,n.mat2d=u,n.mat3=o,n.mat4=i,n.quat=s,n.quat2=c,n.vec2=f,n.vec3=M,n.vec4=h}])})},{}],40:[function(require,module,exports){"use strict";function Shader(gl){this.gl=gl,this.gl.lastAttribCount=0,this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}function compareAttributes(a,b){return a.nameoldAttribCount)for(i=oldAttribCount;inewAttribCount)for(i=newAttribCount;i=0){for(var size=0|attr.type.charAt(attr.type.length-1),locVector=new Array(size),j=0;j=0;)curLocation+=1;attributeLocations[i]=curLocation}var uniformLocations=new Array(uniforms.length);relink(),wrapper._relink=relink,wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)},wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations),Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))},module.exports=createShader},{"./lib/GLError":41,"./lib/create-attributes":42,"./lib/create-uniforms":43,"./lib/reflect":44,"./lib/runtime-reflect":45,"./lib/shader-cache":46}],41:[function(require,module,exports){function GLError(rawError,shortMessage,longMessage){this.shortMessage=shortMessage||"",this.longMessage=longMessage||"",this.rawError=rawError||"",this.message="gl-shader: "+(shortMessage||rawError||"")+(longMessage?"\n"+longMessage:""),this.stack=(new Error).stack}GLError.prototype=new Error,GLError.prototype.name="GLError",GLError.prototype.constructor=GLError,module.exports=GLError},{}],42:[function(require,module,exports){"use strict";function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl,this._wrapper=wrapper,this._index=index,this._locations=locations,this._dimension=dimension,this._constFunc=constFunc}function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){for(var constFuncArgs=["gl","v"],varNames=[],i=0;i=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4)throw new GLError("","Invalid data type for attribute "+name+": "+type);addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else{if(!(type.indexOf("mat")>=0))throw new GLError("","Unknown data type for attribute "+name+": "+type);var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4)throw new GLError("","Invalid data type for attribute "+name+": "+type);addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}}}return obj}module.exports=createAttributeWrapper;var GLError=require("./GLError"),proto=ShaderAttribute.prototype;proto.pointer=function(type,normalized,stride,offset){var self=this,gl=self._gl,location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0),gl.enableVertexAttribArray(location)},proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)},Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){return v!==this._locations[this._index]&&(this._locations[this._index]=0|v,this._wrapper.program=null),0|v}})},{"./GLError":41}],43:[function(require,module,exports){"use strict";function identity(x){return new Function("y","return function(){return y}")(x)}function makeVector(length,fill){for(var result=new Array(length),i=0;i4)throw new GLError("","Invalid uniform dimension type for matrix "+name+": "+type);return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}throw new GLError("","Unknown uniform data type for "+name+": "+type)}var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4)throw new GLError("","Invalid data type");switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new GLError("","Unrecognized data type for vector "+name+": "+type)}}}function enumerateIndices(prefix,type){if("object"!=typeof type)return[[prefix,type]];var indices=[];for(var id in type){var prop=type[id],tprefix=prefix;parseInt(id)+""===id?tprefix+="["+id+"]":tprefix+="."+id,"object"==typeof prop?indices.push.apply(indices,enumerateIndices(tprefix,prop)):indices.push([tprefix,prop])}return indices}function makeSetter(type){for(var code=["return function updateProperty(obj){"],indices=enumerateIndices("",type),i=0;i4)throw new GLError("","Invalid data type");return"b"===type.charAt(0)?makeVector(d,!1):makeVector(d,0)}if(0===type.indexOf("mat")&&4===type.length){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4)throw new GLError("","Invalid uniform dimension type for matrix "+name+": "+type);return makeVector(d*d,0)}throw new GLError("","Unknown uniform data type for "+name+": "+type)}}function storeProperty(obj,prop,type){if("object"==typeof type){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:!0,configurable:!1})}else locations[type]?Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:!0,configurable:!1}):obj[prop]=defaultValue(uniforms[type].type)}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i1){x[0]in o||(o[x[0]]=[]),o=o[x[0]];for(var k=1;k1)for(var j=0;jmaxTextureSize||height<0||height>maxTextureSize)throw new Error("gl-texture2d: Invalid texture shape");var tex=initTexture(gl);return gl.texImage2D(gl.TEXTURE_2D,0,format,width,height,0,format,type,null),new Texture2D(gl,tex,width,height,format,type)}function createTextureDOM(gl,element,format,type){var tex=initTexture(gl);return gl.texImage2D(gl.TEXTURE_2D,0,format,format,type,element),new Texture2D(gl,tex,0|element.width,0|element.height,format,type)}function isPacked(array){for(var shape=array.shape,stride=array.stride,s=1,i=shape.length-1;i>=0;--i){if(stride[i]!==s)return!1;s*=shape[i]}return!0}function createTextureArray(gl,array){var dtype=array.dtype,shape=array.shape.slice(),maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(shape[0]<0||shape[0]>maxSize||shape[1]<0||shape[1]>maxSize)throw new Error("gl-texture2d: Invalid texture size");var packed=isPacked(array),type=0;"float32"===dtype?type=gl.FLOAT:"float64"===dtype?(type=gl.FLOAT,packed=!1,dtype="float32"):"uint8"===dtype?type=gl.UNSIGNED_BYTE:(type=gl.UNSIGNED_BYTE,packed=!1,dtype="uint8");var format=0;if(2===shape.length)format=gl.LUMINANCE;else{if(3!==shape.length)throw new Error("Invalid shape for texture");if(1===shape[2])format=gl.ALPHA;else if(2===shape[2])format=gl.LUMINANCE_ALPHA;else if(3===shape[2])format=gl.RGB;else{if(4!==shape[2])throw new Error("Invalid shape for pixel coords");format=gl.RGBA}}type===gl.FLOAT&&webglew(gl).texture_float&&(type=gl.UNSIGNED_BYTE,packed=!1);var buffer,buf_store;if(packed){var array_size=array.size;buffer=array.data.subarray(array.offset,array.offset+array_size)}else{for(var sz=1,stride=new Array(shape.length),i=shape.length-1;i>=0;--i)stride[i]=sz,sz*=shape[i];buf_store=pool.malloc(sz,dtype);var buf_array=ndarray(buf_store,array.shape,stride,0);"float32"!==dtype&&"float64"!==dtype||type!==gl.UNSIGNED_BYTE?ops.assign(buf_array,array):convertFloatToUint8(buf_array,array),buffer=buf_store.subarray(0,sz)}var tex=initTexture(gl);return gl.texImage2D(gl.TEXTURE_2D,0,format,shape[1],shape[0],0,format,type,buffer),packed||pool.free(buf_store),new Texture2D(gl,tex,shape[1],shape[0],format,type)}function createTexture2D(gl){if(arguments.length<=1)throw new Error("Missing arguments for texture2d constructor");if(linearTypes||lazyInitLinearTypes(gl),"number"==typeof arguments[1])return createTextureShape(gl,arguments[1],arguments[2],arguments[3]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE);if(Array.isArray(arguments[1]))return createTextureShape(gl,0|arguments[1][1],0|arguments[1][0],arguments[2]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE);if("object"==typeof arguments[1]){var obj=arguments[1];if(obj instanceof HTMLCanvasElement||obj instanceof HTMLImageElement||obj instanceof HTMLVideoElement||obj instanceof ImageData)return createTextureDOM(gl,obj,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE);if(obj.shape&&obj.data&&obj.stride)return createTextureArray(gl,obj)}throw new Error("Invalid arguments for texture2d constructor")}var ndarray=require("ndarray"),ops=require("ndarray-ops"),pool=require("typedarray-pool"),webglew=require("webglew"),linearTypes=null,filterTypes=null,wrapTypes=null,convertFloatToUint8=function(out,inp){ops.muls(out,inp,255)};Object.defineProperty(Texture2D.prototype,"minFilter",{get:function(){return this._minFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0&&(webglew(gl).OES_texture_float_linear||(v=gl.NEAREST)),filterTypes.indexOf(v)<0)throw new Error("gl-texture2d: Unknown filter mode "+v);return gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,v),this._minFilter=v}});var proto=Texture2D.prototype;Object.defineProperty(proto,"magFilter",{get:function(){return this._magFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0&&(webglew(gl).OES_texture_float_linear||(v=gl.NEAREST)),filterTypes.indexOf(v)<0)throw new Error("gl-texture2d: Unknown filter mode "+v);return gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,v),this._magFilter=v}}),Object.defineProperty(proto,"wrapS",{get:function(){return this._wrapS},set:function(v){if(this.bind(),wrapTypes.indexOf(v)<0)throw new Error("gl-texture2d: Unknown wrap mode "+v);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,v),this._wrapS=v}}),Object.defineProperty(proto,"wrapT",{get:function(){return this._wrapT},set:function(v){if(this.bind(),wrapTypes.indexOf(v)<0)throw new Error("gl-texture2d: Unknown wrap mode "+v);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,v),this._wrapT=v}}),Object.defineProperty(proto,"wrap",{get:function(){return[this._wrapT,this._wrapS]},set:function(v){if(Array.isArray(v)||(v=[v,v]),2!==v.length)throw new Error("gl-texture2d: Must specify wrap mode for rows and columns");for(var i=0;i<2;++i)if(wrapTypes.indexOf(v[i])<0)throw new Error("gl-texture2d: Unknown wrap mode "+v);this._wrapT=v[0],this._wrapS=v[1];var gl=this.gl;return this.bind(),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,this._wrapT),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,this._wrapS),v}}),Object.defineProperty(proto,"mipSamples",{get:function(){return this._anisoSamples},set:function(i){var psamples=this._anisoSamples;if(this._anisoSamples=0|Math.max(i,1),psamples!==this._anisoSamples){var ext=webglew(this.gl).EXT_texture_filter_anisotropic;ext&&this.gl.texParameterf(this.gl.TEXTURE_2D,ext.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}return this._anisoSamples}}),Object.defineProperty(proto,"shape",{get:function(){return this._shape},set:function(x){if(Array.isArray(x)){if(2!==x.length)throw new Error("gl-texture2d: Invalid texture shape")}else x=[0|x,0|x];var r=0|x[0],c=0|x[1];if(this.height===r&&this.width===c)return x;var gl=this.gl,maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(c<0||c>maxSize||r<0||r>maxSize)throw new Error("gl-texture2d: Invalid texture size");return this._shape=[r,c],this.bind(),gl.texImage2D(gl.TEXTURE_2D,0,this.format,c,r,0,this.format,this.type,null),this._mipLevels=[0],x}}),proto.bind=function(unit){var gl=this.gl;return void 0!==unit&&gl.activeTexture(gl.TEXTURE0+(0|unit)),gl.bindTexture(gl.TEXTURE_2D,this.handle),void 0!==unit?unit:gl.getParameter(gl.ACTIVE_TEXTURE)-gl.TEXTURE0},proto.dispose=function(){this.gl.deleteTexture(this.handle)},proto.generateMipmap=function(){this.bind(),this.gl.generateMipmap(this.gl.TEXTURE_2D);for(var l=Math.min(this._shape[0],this._shape[1]),i=0;l>0;++i,l>>>=1)this._mipLevels.indexOf(i)<0&&this._mipLevels.push(i)},proto.setPixels=function(data,x_off,y_off,mip_level){var gl=this.gl;if(this.bind(),Array.isArray(x_off)?(mip_level=y_off,y_off=0|x_off[0],x_off=0|x_off[1]):(x_off=x_off||0,y_off=y_off||0),mip_level=mip_level||0,data instanceof HTMLCanvasElement||data instanceof ImageData||data instanceof HTMLImageElement||data instanceof HTMLVideoElement){this._mipLevels.indexOf(mip_level)<0?(gl.texImage2D(gl.TEXTURE_2D,0,this.format,this.format,this.type,data),this._mipLevels.push(mip_level)):gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,this.format,this.type,data)}else{if(!(data.shape&&data.stride&&data.data))throw new Error("gl-texture2d: Unsupported data type");if(data.shape.length<2||x_off+data.shape[1]>this._shape[1]>>>mip_level||y_off+data.shape[0]>this._shape[0]>>>mip_level||x_off<0||y_off<0)throw new Error("gl-texture2d: Texture dimensions are out of bounds");texSubImageArray(gl,x_off,y_off,mip_level,this.format,this.type,this._mipLevels,data)}},module.exports=createTexture2D},{ndarray:70,"ndarray-ops":69,"typedarray-pool":49,webglew:50}],52:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){elements?elements.bind():gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null);var nattribs=0|gl.getParameter(gl.MAX_VERTEX_ATTRIBS);if(attributes){if(attributes.length>nattribs)throw new Error("Too many vertex attributes");for(var i=0;i0)continue;res=buf.slice(0,1).join("")}return token(res),start+=res.length,content=content.slice(res.length),content.length}}function hex(){return/[^a-fA-F0-9]/.test(c)?(token(content.join("")),mode=NORMAL,i):(content.push(c),last=c,i+1)}function integer(){return"."===c?(content.push(c),mode=FLOAT,last=c,i+1):/[eE]/.test(c)?(content.push(c),mode=FLOAT,last=c,i+1):"x"===c&&1===content.length&&"0"===content[0]?(mode=HEX,content.push(c),last=c,i+1):/[^\d]/.test(c)?(token(content.join("")),mode=NORMAL,i):(content.push(c),last=c,i+1)}function decimal(){return"f"===c&&(content.push(c),last=c,i+=1),/[eE]/.test(c)?(content.push(c),last=c,i+1):("-"!==c&&"+"!==c||!/[eE]/.test(last))&&/[^\d]/.test(c)?(token(content.join("")),mode=NORMAL,i):(content.push(c),last=c,i+1)}function readtoken(){if(/[^\d\w_]/.test(c)){var contentstr=content.join("");return mode=literalsDict[contentstr]?KEYWORD:builtinsDict[contentstr]?BUILTIN:IDENT,token(content.join("")),mode=NORMAL,i}return content.push(c),last=c,i+1}var c,last,len,i=0,total=0,mode=NORMAL,content=[],tokens=[],line=1,col=0,start=0,isnum=!1,isoperator=!1,input="";opt=opt||{};var allBuiltins=builtins100,allLiterals=literals100;"300 es"===opt.version&&(allBuiltins=builtins300es,allLiterals=literals300es);for(var builtinsDict={},literalsDict={},i=0;i>=","++","--","<<",">>","<=",">=","==","!=","&&","||","+=","-=","*=","/=","%=","&=","^^","^=","|=","(",")","[","]",".","!","~","*","/","%","+","-","<",">","&","^","|","?",":","=",",",";","{","}"]},{}],63:[function(require,module,exports){function tokenizeString(str,opt){var generator=tokenize(opt),tokens=[];return tokens=tokens.concat(generator(str)),tokens=tokens.concat(generator(null))}var tokenize=require("./index");module.exports=tokenizeString},{"./index":57}],64:[function(require,module,exports){"use strict";function iota(n){for(var result=new Array(n),i=0;i>",rrshift:">>>"};!function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id}),exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:!0,funcName:id+"eq"}),exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"}),exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:!0,funcName:id+"seq"})}}();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};!function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id}),exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:!0,count:2,funcName:id+"eq"})}}();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};!function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id}),exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"}),exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:!0,count:2,funcName:id+"eq"}),exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:!0,count:2,funcName:id+"seq"})}}();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];!function(){for(var i=0;ithis_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"}),exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:!1,rvalue:!0,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"}),exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:!1,rvalue:!0,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}}),exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:!1,rvalue:!0,count:2},{name:"_inline_1_arg1_",lvalue:!1,rvalue:!0,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}}),exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"}),exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"}),exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"}),exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:!1,rvalue:!0,count:1},{name:"y",lvalue:!1,rvalue:!0,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":12}],70:[function(require,module,exports){function compare1st(a,b){return a[0]-b[0]}function order(){var i,stride=this.stride,terms=new Array(stride.length);for(i=0;iMath.abs(this.stride[1]))?[1,0]:[0,1]}})"):3===dimension&&code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")):code.push("ORDER})")),code.push("proto.set=function "+className+"_set("+args.join(",")+",v){"),useGetters?code.push("return this.data.set("+index_str+",v)}"):code.push("return this.data["+index_str+"]=v}"),code.push("proto.get=function "+className+"_get("+args.join(",")+"){"),useGetters?code.push("return this.data.get("+index_str+")}"):code.push("return this.data["+index_str+"]}"),code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}"),code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}),c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}");code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}"),code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}");code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}"),code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data))return"buffer";if(hasTypedArrays)switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped";case"[object BigInt64Array]":return"bigint64";case"[object BigUint64Array]":return"biguint64"}return Array.isArray(data)?"array":"generic"}function wrappedNDArrayCtor(data,shape,stride,offset){if(void 0===data){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}"number"==typeof data&&(data=[data]),void 0===shape&&(shape=[data.length]);var d=shape.length;if(void 0===stride){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i)stride[i]=sz,sz*=shape[i]}if(void 0===offset){offset=0;for(var i=0;i1&&(s=1),out[0]=-da[0],out[1]=da[1],out[2]=da[2]||Math.sqrt(1-s),out[3]=0}function createOrbitCamera(eye,target,up){eye=eye||[0,0,-1],target=target||[0,0,0],up=up||[0,1,0];var camera=new OrbitCamera(quat.create(),vec3.create(),1);return camera.lookAt(eye,target,up),camera}var glm=require("gl-matrix"),vec3=glm.vec3,mat3=glm.mat3,mat4=glm.mat4,quat=glm.quat,scratch0=new Float32Array(16),scratch1=new Float32Array(16),proto=OrbitCamera.prototype;proto.view=function(out){return out||(out=mat4.create()),scratch1[0]=scratch1[1]=0,scratch1[2]=-this.distance,mat4.fromRotationTranslation(out,quat.conjugate(scratch0,this.rotation),scratch1),mat4.translate(out,out,vec3.negate(scratch0,this.center)),out},proto.lookAt=function(eye,center,up){mat4.lookAt(scratch0,eye,center,up),mat3.fromMat4(scratch0,scratch0),quat.fromMat3(this.rotation,scratch0),vec3.copy(this.center,center),this.distance=vec3.distance(eye,center)},proto.pan=function(dpan){var d=this.distance;scratch0[0]=-d*(dpan[0]||0),scratch0[1]=d*(dpan[1]||0),scratch0[2]=d*(dpan[2]||0),vec3.transformQuat(scratch0,scratch0,this.rotation),vec3.add(this.center,this.center,scratch0)},proto.zoom=function(d){this.distance+=d,this.distance<0&&(this.distance=0)},proto.rotate=function(da,db){quatFromVec(scratch0,da),quatFromVec(scratch1,db),quat.invert(scratch1,scratch1),quat.multiply(scratch0,scratch0,scratch1),quat.length(scratch0)<1e-6||(quat.multiply(this.rotation,this.rotation,scratch0),quat.normalize(this.rotation,this.rotation))},module.exports=createOrbitCamera},{"gl-matrix":39}],73:[function(require,module,exports){"use strict";var repeat=require("repeat-string");module.exports=function(str,num,ch){return ch=void 0!==ch?ch+"":" ",repeat(ch,num)+str}},{"repeat-string":94}],74:[function(require,module,exports){"use strict";var assign=require("./lib/utils/common").assign,deflate=require("./lib/deflate"),inflate=require("./lib/inflate"),constants=require("./lib/zlib/constants"),pako={};assign(pako,deflate,inflate,constants),module.exports=pako},{"./lib/deflate":75,"./lib/inflate":76,"./lib/utils/common":77,"./lib/zlib/constants":80}],75:[function(require,module,exports){"use strict";function Deflate(options){if(!(this instanceof Deflate))return new Deflate(options);this.options=utils.assign({level:Z_DEFAULT_COMPRESSION,method:Z_DEFLATED,chunkSize:16384,windowBits:15,memLevel:8,strategy:Z_DEFAULT_STRATEGY,to:""},options||{});var opt=this.options;opt.raw&&opt.windowBits>0?opt.windowBits=-opt.windowBits:opt.gzip&&opt.windowBits>0&&opt.windowBits<16&&(opt.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new ZStream,this.strm.avail_out=0;var status=zlib_deflate.deflateInit2(this.strm,opt.level,opt.method,opt.windowBits,opt.memLevel,opt.strategy);if(status!==Z_OK)throw new Error(msg[status]);if(opt.header&&zlib_deflate.deflateSetHeader(this.strm,opt.header),opt.dictionary){var dict;if(dict="string"==typeof opt.dictionary?strings.string2buf(opt.dictionary):"[object ArrayBuffer]"===toString.call(opt.dictionary)?new Uint8Array(opt.dictionary):opt.dictionary,(status=zlib_deflate.deflateSetDictionary(this.strm,dict))!==Z_OK)throw new Error(msg[status]);this._dict_set=!0}}function deflate(input,options){var deflator=new Deflate(options);if(deflator.push(input,!0),deflator.err)throw deflator.msg;return deflator.result}function deflateRaw(input,options){return options=options||{},options.raw=!0,deflate(input,options)}function gzip(input,options){return options=options||{},options.gzip=!0,deflate(input,options)}var zlib_deflate=require("./zlib/deflate"),utils=require("./utils/common"),strings=require("./utils/strings"),msg=require("./zlib/messages"),ZStream=require("./zlib/zstream"),toString=Object.prototype.toString,Z_OK=0,Z_DEFAULT_COMPRESSION=-1,Z_DEFAULT_STRATEGY=0,Z_DEFLATED=8;Deflate.prototype.push=function(data,mode){var status,_mode,strm=this.strm,chunkSize=this.options.chunkSize;if(this.ended)return!1;_mode=mode===~~mode?mode:!0===mode?4:0,"string"==typeof data?strm.input=strings.string2buf(data):"[object ArrayBuffer]"===toString.call(data)?strm.input=new Uint8Array(data):strm.input=data,strm.next_in=0,strm.avail_in=strm.input.length;do{if(0===strm.avail_out&&(strm.output=new utils.Buf8(chunkSize),strm.next_out=0,strm.avail_out=chunkSize),1!==(status=zlib_deflate.deflate(strm,_mode))&&status!==Z_OK)return this.onEnd(status),this.ended=!0,!1 +;0!==strm.avail_out&&(0!==strm.avail_in||4!==_mode&&2!==_mode)||("string"===this.options.to?this.onData(strings.buf2binstring(utils.shrinkBuf(strm.output,strm.next_out))):this.onData(utils.shrinkBuf(strm.output,strm.next_out)))}while((strm.avail_in>0||0===strm.avail_out)&&1!==status);return 4===_mode?(status=zlib_deflate.deflateEnd(this.strm),this.onEnd(status),this.ended=!0,status===Z_OK):2!==_mode||(this.onEnd(Z_OK),strm.avail_out=0,!0)},Deflate.prototype.onData=function(chunk){this.chunks.push(chunk)},Deflate.prototype.onEnd=function(status){status===Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=utils.flattenChunks(this.chunks)),this.chunks=[],this.err=status,this.msg=this.strm.msg},exports.Deflate=Deflate,exports.deflate=deflate,exports.deflateRaw=deflateRaw,exports.gzip=gzip},{"./utils/common":77,"./utils/strings":78,"./zlib/deflate":82,"./zlib/messages":87,"./zlib/zstream":89}],76:[function(require,module,exports){"use strict";function Inflate(options){if(!(this instanceof Inflate))return new Inflate(options);this.options=utils.assign({chunkSize:16384,windowBits:0,to:""},options||{});var opt=this.options;opt.raw&&opt.windowBits>=0&&opt.windowBits<16&&(opt.windowBits=-opt.windowBits,0===opt.windowBits&&(opt.windowBits=-15)),!(opt.windowBits>=0&&opt.windowBits<16)||options&&options.windowBits||(opt.windowBits+=32),opt.windowBits>15&&opt.windowBits<48&&0==(15&opt.windowBits)&&(opt.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new ZStream,this.strm.avail_out=0;var status=zlib_inflate.inflateInit2(this.strm,opt.windowBits);if(status!==c.Z_OK)throw new Error(msg[status]);this.header=new GZheader,zlib_inflate.inflateGetHeader(this.strm,this.header)}function inflate(input,options){var inflator=new Inflate(options);if(inflator.push(input,!0),inflator.err)throw inflator.msg;return inflator.result}function inflateRaw(input,options){return options=options||{},options.raw=!0,inflate(input,options)}var zlib_inflate=require("./zlib/inflate"),utils=require("./utils/common"),strings=require("./utils/strings"),c=require("./zlib/constants"),msg=require("./zlib/messages"),ZStream=require("./zlib/zstream"),GZheader=require("./zlib/gzheader"),toString=Object.prototype.toString;Inflate.prototype.push=function(data,mode){var status,_mode,next_out_utf8,tail,utf8str,dict,strm=this.strm,chunkSize=this.options.chunkSize,dictionary=this.options.dictionary,allowBufError=!1;if(this.ended)return!1;_mode=mode===~~mode?mode:!0===mode?c.Z_FINISH:c.Z_NO_FLUSH,"string"==typeof data?strm.input=strings.binstring2buf(data):"[object ArrayBuffer]"===toString.call(data)?strm.input=new Uint8Array(data):strm.input=data,strm.next_in=0,strm.avail_in=strm.input.length;do{if(0===strm.avail_out&&(strm.output=new utils.Buf8(chunkSize),strm.next_out=0,strm.avail_out=chunkSize),status=zlib_inflate.inflate(strm,c.Z_NO_FLUSH),status===c.Z_NEED_DICT&&dictionary&&(dict="string"==typeof dictionary?strings.string2buf(dictionary):"[object ArrayBuffer]"===toString.call(dictionary)?new Uint8Array(dictionary):dictionary,status=zlib_inflate.inflateSetDictionary(this.strm,dict)),status===c.Z_BUF_ERROR&&!0===allowBufError&&(status=c.Z_OK,allowBufError=!1),status!==c.Z_STREAM_END&&status!==c.Z_OK)return this.onEnd(status),this.ended=!0,!1;strm.next_out&&(0!==strm.avail_out&&status!==c.Z_STREAM_END&&(0!==strm.avail_in||_mode!==c.Z_FINISH&&_mode!==c.Z_SYNC_FLUSH)||("string"===this.options.to?(next_out_utf8=strings.utf8border(strm.output,strm.next_out),tail=strm.next_out-next_out_utf8,utf8str=strings.buf2string(strm.output,next_out_utf8),strm.next_out=tail,strm.avail_out=chunkSize-tail,tail&&utils.arraySet(strm.output,strm.output,next_out_utf8,tail,0),this.onData(utf8str)):this.onData(utils.shrinkBuf(strm.output,strm.next_out)))),0===strm.avail_in&&0===strm.avail_out&&(allowBufError=!0)}while((strm.avail_in>0||0===strm.avail_out)&&status!==c.Z_STREAM_END);return status===c.Z_STREAM_END&&(_mode=c.Z_FINISH),_mode===c.Z_FINISH?(status=zlib_inflate.inflateEnd(this.strm),this.onEnd(status),this.ended=!0,status===c.Z_OK):_mode!==c.Z_SYNC_FLUSH||(this.onEnd(c.Z_OK),strm.avail_out=0,!0)},Inflate.prototype.onData=function(chunk){this.chunks.push(chunk)},Inflate.prototype.onEnd=function(status){status===c.Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=utils.flattenChunks(this.chunks)),this.chunks=[],this.err=status,this.msg=this.strm.msg},exports.Inflate=Inflate,exports.inflate=inflate,exports.inflateRaw=inflateRaw,exports.ungzip=inflate},{"./utils/common":77,"./utils/strings":78,"./zlib/constants":80,"./zlib/gzheader":83,"./zlib/inflate":85,"./zlib/messages":87,"./zlib/zstream":89}],77:[function(require,module,exports){"use strict";var TYPED_OK="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Int32Array;exports.assign=function(obj){for(var sources=Array.prototype.slice.call(arguments,1);sources.length;){var source=sources.shift();if(source){if("object"!=typeof source)throw new TypeError(source+"must be non-object");for(var p in source)source.hasOwnProperty(p)&&(obj[p]=source[p])}}return obj},exports.shrinkBuf=function(buf,size){return buf.length===size?buf:buf.subarray?buf.subarray(0,size):(buf.length=size,buf)};var fnTyped={arraySet:function(dest,src,src_offs,len,dest_offs){if(src.subarray&&dest.subarray)return void dest.set(src.subarray(src_offs,src_offs+len),dest_offs);for(var i=0;i=252?6:q>=248?5:q>=240?4:q>=224?3:q>=192?2:1;_utf8len[254]=_utf8len[254]=1,exports.string2buf=function(str){var buf,c,c2,m_pos,i,str_len=str.length,buf_len=0;for(m_pos=0;m_pos>>6,buf[i++]=128|63&c):c<65536?(buf[i++]=224|c>>>12,buf[i++]=128|c>>>6&63,buf[i++]=128|63&c):(buf[i++]=240|c>>>18,buf[i++]=128|c>>>12&63,buf[i++]=128|c>>>6&63,buf[i++]=128|63&c);return buf},exports.buf2binstring=function(buf){return buf2binstring(buf,buf.length)},exports.binstring2buf=function(str){for(var buf=new utils.Buf8(str.length),i=0,len=buf.length;i4)utf16buf[out++]=65533,i+=c_len-1;else{for(c&=2===c_len?31:3===c_len?15:7;c_len>1&&i1?utf16buf[out++]=65533:c<65536?utf16buf[out++]=c:(c-=65536,utf16buf[out++]=55296|c>>10&1023,utf16buf[out++]=56320|1023&c)}return buf2binstring(utf16buf,out)},exports.utf8border=function(buf,max){var pos;for(max=max||buf.length,max>buf.length&&(max=buf.length),pos=max-1;pos>=0&&128==(192&buf[pos]);)pos--;return pos<0?max:0===pos?max:pos+_utf8len[buf[pos]]>max?pos:max}},{"./common":77}],79:[function(require,module,exports){"use strict";function adler32(adler,buf,len,pos){for(var s1=65535&adler|0,s2=adler>>>16&65535|0,n=0;0!==len;){n=len>2e3?2e3:len,len-=n;do{s1=s1+buf[pos++]|0,s2=s2+s1|0}while(--n);s1%=65521,s2%=65521}return s1|s2<<16|0}module.exports=adler32},{}],80:[function(require,module,exports){"use strict";module.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},{}],81:[function(require,module,exports){"use strict";function crc32(crc,buf,len,pos){var t=crcTable,end=pos+len;crc^=-1;for(var i=pos;i>>8^t[255&(crc^buf[i])];return-1^crc}var crcTable=function(){for(var c,table=[],n=0;n<256;n++){c=n;for(var k=0;k<8;k++)c=1&c?3988292384^c>>>1:c>>>1;table[n]=c}return table}();module.exports=crc32},{}],82:[function(require,module,exports){"use strict";function err(strm,errorCode){return strm.msg=msg[errorCode],errorCode}function rank(f){return(f<<1)-(f>4?9:0)}function zero(buf){for(var len=buf.length;--len>=0;)buf[len]=0}function flush_pending(strm){var s=strm.state,len=s.pending;len>strm.avail_out&&(len=strm.avail_out),0!==len&&(utils.arraySet(strm.output,s.pending_buf,s.pending_out,len,strm.next_out),strm.next_out+=len,s.pending_out+=len,strm.total_out+=len,strm.avail_out-=len,s.pending-=len,0===s.pending&&(s.pending_out=0))}function flush_block_only(s,last){trees._tr_flush_block(s,s.block_start>=0?s.block_start:-1,s.strstart-s.block_start,last),s.block_start=s.strstart,flush_pending(s.strm)}function put_byte(s,b){s.pending_buf[s.pending++]=b}function putShortMSB(s,b){s.pending_buf[s.pending++]=b>>>8&255,s.pending_buf[s.pending++]=255&b}function read_buf(strm,buf,start,size){var len=strm.avail_in;return len>size&&(len=size),0===len?0:(strm.avail_in-=len,utils.arraySet(buf,strm.input,strm.next_in,len,start),1===strm.state.wrap?strm.adler=adler32(strm.adler,buf,len,start):2===strm.state.wrap&&(strm.adler=crc32(strm.adler,buf,len,start)),strm.next_in+=len,strm.total_in+=len,len)}function longest_match(s,cur_match){var match,len,chain_length=s.max_chain_length,scan=s.strstart,best_len=s.prev_length,nice_match=s.nice_match,limit=s.strstart>s.w_size-MIN_LOOKAHEAD?s.strstart-(s.w_size-MIN_LOOKAHEAD):0,_win=s.window,wmask=s.w_mask,prev=s.prev,strend=s.strstart+MAX_MATCH,scan_end1=_win[scan+best_len-1],scan_end=_win[scan+best_len];s.prev_length>=s.good_match&&(chain_length>>=2),nice_match>s.lookahead&&(nice_match=s.lookahead);do{if(match=cur_match,_win[match+best_len]===scan_end&&_win[match+best_len-1]===scan_end1&&_win[match]===_win[scan]&&_win[++match]===_win[scan+1]){scan+=2,match++;do{}while(_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&scanbest_len){if(s.match_start=cur_match,best_len=len,len>=nice_match)break;scan_end1=_win[scan+best_len-1],scan_end=_win[scan+best_len]}}}while((cur_match=prev[cur_match&wmask])>limit&&0!=--chain_length);return best_len<=s.lookahead?best_len:s.lookahead}function fill_window(s){var p,n,m,more,str,_w_size=s.w_size;do{if(more=s.window_size-s.lookahead-s.strstart,s.strstart>=_w_size+(_w_size-MIN_LOOKAHEAD)){utils.arraySet(s.window,s.window,_w_size,_w_size,0),s.match_start-=_w_size,s.strstart-=_w_size,s.block_start-=_w_size,n=s.hash_size,p=n;do{m=s.head[--p],s.head[p]=m>=_w_size?m-_w_size:0}while(--n);n=_w_size,p=n;do{m=s.prev[--p],s.prev[p]=m>=_w_size?m-_w_size:0}while(--n);more+=_w_size}if(0===s.strm.avail_in)break;if(n=read_buf(s.strm,s.window,s.strstart+s.lookahead,more),s.lookahead+=n,s.lookahead+s.insert>=MIN_MATCH)for(str=s.strstart-s.insert,s.ins_h=s.window[str],s.ins_h=(s.ins_h<s.pending_buf_size-5&&(max_block_size=s.pending_buf_size-5);;){if(s.lookahead<=1){if(fill_window(s),0===s.lookahead&&flush===Z_NO_FLUSH)return BS_NEED_MORE;if(0===s.lookahead)break}s.strstart+=s.lookahead,s.lookahead=0;var max_start=s.block_start+max_block_size;if((0===s.strstart||s.strstart>=max_start)&&(s.lookahead=s.strstart-max_start,s.strstart=max_start,flush_block_only(s,!1),0===s.strm.avail_out))return BS_NEED_MORE;if(s.strstart-s.block_start>=s.w_size-MIN_LOOKAHEAD&&(flush_block_only(s,!1),0===s.strm.avail_out))return BS_NEED_MORE}return s.insert=0,flush===Z_FINISH?(flush_block_only(s,!0),0===s.strm.avail_out?BS_FINISH_STARTED:BS_FINISH_DONE):(s.strstart>s.block_start&&(flush_block_only(s,!1),s.strm.avail_out),BS_NEED_MORE)}function deflate_fast(s,flush){for(var hash_head,bflush;;){if(s.lookahead=MIN_MATCH&&(s.ins_h=(s.ins_h<=MIN_MATCH)if(bflush=trees._tr_tally(s,s.strstart-s.match_start,s.match_length-MIN_MATCH),s.lookahead-=s.match_length,s.match_length<=s.max_lazy_match&&s.lookahead>=MIN_MATCH){s.match_length--;do{s.strstart++,s.ins_h=(s.ins_h<=MIN_MATCH&&(s.ins_h=(s.ins_h<4096)&&(s.match_length=MIN_MATCH-1)),s.prev_length>=MIN_MATCH&&s.match_length<=s.prev_length){max_insert=s.strstart+s.lookahead-MIN_MATCH,bflush=trees._tr_tally(s,s.strstart-1-s.prev_match,s.prev_length-MIN_MATCH),s.lookahead-=s.prev_length-1,s.prev_length-=2;do{++s.strstart<=max_insert&&(s.ins_h=(s.ins_h<=MIN_MATCH&&s.strstart>0&&(scan=s.strstart-1,(prev=_win[scan])===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan])){strend=s.strstart+MAX_MATCH;do{}while(prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&scans.lookahead&&(s.match_length=s.lookahead)}if(s.match_length>=MIN_MATCH?(bflush=trees._tr_tally(s,1,s.match_length-MIN_MATCH),s.lookahead-=s.match_length,s.strstart+=s.match_length,s.match_length=0):(bflush=trees._tr_tally(s,0,s.window[s.strstart]),s.lookahead--,s.strstart++),bflush&&(flush_block_only(s,!1),0===s.strm.avail_out))return BS_NEED_MORE}return s.insert=0,flush===Z_FINISH?(flush_block_only(s,!0),0===s.strm.avail_out?BS_FINISH_STARTED:BS_FINISH_DONE):s.last_lit&&(flush_block_only(s,!1),0===s.strm.avail_out)?BS_NEED_MORE:BS_BLOCK_DONE}function deflate_huff(s,flush){for(var bflush;;){if(0===s.lookahead&&(fill_window(s),0===s.lookahead)){if(flush===Z_NO_FLUSH)return BS_NEED_MORE;break}if(s.match_length=0,bflush=trees._tr_tally(s,0,s.window[s.strstart]),s.lookahead--,s.strstart++,bflush&&(flush_block_only(s,!1),0===s.strm.avail_out))return BS_NEED_MORE}return s.insert=0,flush===Z_FINISH?(flush_block_only(s,!0),0===s.strm.avail_out?BS_FINISH_STARTED:BS_FINISH_DONE):s.last_lit&&(flush_block_only(s,!1),0===s.strm.avail_out)?BS_NEED_MORE:BS_BLOCK_DONE}function Config(good_length,max_lazy,nice_length,max_chain,func){this.good_length=good_length,this.max_lazy=max_lazy,this.nice_length=nice_length,this.max_chain=max_chain,this.func=func}function lm_init(s){s.window_size=2*s.w_size,zero(s.head),s.max_lazy_match=configuration_table[s.level].max_lazy,s.good_match=configuration_table[s.level].good_length,s.nice_match=configuration_table[s.level].nice_length,s.max_chain_length=configuration_table[s.level].max_chain,s.strstart=0,s.block_start=0,s.lookahead=0,s.insert=0,s.match_length=s.prev_length=MIN_MATCH-1,s.match_available=0,s.ins_h=0}function DeflateState(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=Z_DEFLATED,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new utils.Buf16(2*HEAP_SIZE),this.dyn_dtree=new utils.Buf16(2*(2*D_CODES+1)),this.bl_tree=new utils.Buf16(2*(2*BL_CODES+1)),zero(this.dyn_ltree),zero(this.dyn_dtree),zero(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new utils.Buf16(MAX_BITS+1),this.heap=new utils.Buf16(2*L_CODES+1),zero(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new utils.Buf16(2*L_CODES+1),zero(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function deflateResetKeep(strm){var s;return strm&&strm.state?(strm.total_in=strm.total_out=0,strm.data_type=Z_UNKNOWN,s=strm.state,s.pending=0,s.pending_out=0,s.wrap<0&&(s.wrap=-s.wrap),s.status=s.wrap?INIT_STATE:BUSY_STATE,strm.adler=2===s.wrap?0:1,s.last_flush=Z_NO_FLUSH,trees._tr_init(s),Z_OK):err(strm,Z_STREAM_ERROR)}function deflateReset(strm){var ret=deflateResetKeep(strm);return ret===Z_OK&&lm_init(strm.state),ret}function deflateSetHeader(strm,head){return strm&&strm.state?2!==strm.state.wrap?Z_STREAM_ERROR:(strm.state.gzhead=head,Z_OK):Z_STREAM_ERROR}function deflateInit2(strm,level,method,windowBits,memLevel,strategy){if(!strm)return Z_STREAM_ERROR;var wrap=1;if(level===Z_DEFAULT_COMPRESSION&&(level=6),windowBits<0?(wrap=0,windowBits=-windowBits):windowBits>15&&(wrap=2,windowBits-=16),memLevel<1||memLevel>MAX_MEM_LEVEL||method!==Z_DEFLATED||windowBits<8||windowBits>15||level<0||level>9||strategy<0||strategy>Z_FIXED)return err(strm,Z_STREAM_ERROR);8===windowBits&&(windowBits=9);var s=new DeflateState;return strm.state=s,s.strm=strm,s.wrap=wrap,s.gzhead=null,s.w_bits=windowBits,s.w_size=1<Z_BLOCK||flush<0)return strm?err(strm,Z_STREAM_ERROR):Z_STREAM_ERROR;if(s=strm.state,!strm.output||!strm.input&&0!==strm.avail_in||s.status===FINISH_STATE&&flush!==Z_FINISH)return err(strm,0===strm.avail_out?Z_BUF_ERROR:Z_STREAM_ERROR);if(s.strm=strm,old_flush=s.last_flush,s.last_flush=flush,s.status===INIT_STATE)if(2===s.wrap)strm.adler=0,put_byte(s,31),put_byte(s,139),put_byte(s,8),s.gzhead?(put_byte(s,(s.gzhead.text?1:0)+(s.gzhead.hcrc?2:0)+(s.gzhead.extra?4:0)+(s.gzhead.name?8:0)+(s.gzhead.comment?16:0)),put_byte(s,255&s.gzhead.time),put_byte(s,s.gzhead.time>>8&255),put_byte(s,s.gzhead.time>>16&255),put_byte(s,s.gzhead.time>>24&255),put_byte(s,9===s.level?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0),put_byte(s,255&s.gzhead.os),s.gzhead.extra&&s.gzhead.extra.length&&(put_byte(s,255&s.gzhead.extra.length),put_byte(s,s.gzhead.extra.length>>8&255)),s.gzhead.hcrc&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending,0)),s.gzindex=0,s.status=EXTRA_STATE):(put_byte(s,0),put_byte(s,0),put_byte(s,0),put_byte(s,0),put_byte(s,0),put_byte(s,9===s.level?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0),put_byte(s,OS_CODE),s.status=BUSY_STATE);else{var header=Z_DEFLATED+(s.w_bits-8<<4)<<8,level_flags=-1;level_flags=s.strategy>=Z_HUFFMAN_ONLY||s.level<2?0:s.level<6?1:6===s.level?2:3,header|=level_flags<<6,0!==s.strstart&&(header|=PRESET_DICT),header+=31-header%31,s.status=BUSY_STATE,putShortMSB(s,header),0!==s.strstart&&(putShortMSB(s,strm.adler>>>16),putShortMSB(s,65535&strm.adler)),strm.adler=1}if(s.status===EXTRA_STATE)if(s.gzhead.extra){for(beg=s.pending;s.gzindex<(65535&s.gzhead.extra.length)&&(s.pending!==s.pending_buf_size||(s.gzhead.hcrc&&s.pending>beg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),flush_pending(strm),beg=s.pending,s.pending!==s.pending_buf_size));)put_byte(s,255&s.gzhead.extra[s.gzindex]),s.gzindex++;s.gzhead.hcrc&&s.pending>beg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),s.gzindex===s.gzhead.extra.length&&(s.gzindex=0,s.status=NAME_STATE)}else s.status=NAME_STATE;if(s.status===NAME_STATE)if(s.gzhead.name){beg=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>beg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),flush_pending(strm),beg=s.pending,s.pending===s.pending_buf_size)){val=1;break}val=s.gzindexbeg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),0===val&&(s.gzindex=0,s.status=COMMENT_STATE)}else s.status=COMMENT_STATE;if(s.status===COMMENT_STATE)if(s.gzhead.comment){beg=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>beg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),flush_pending(strm),beg=s.pending,s.pending===s.pending_buf_size)){val=1;break}val=s.gzindexbeg&&(strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)),0===val&&(s.status=HCRC_STATE)}else s.status=HCRC_STATE;if(s.status===HCRC_STATE&&(s.gzhead.hcrc?(s.pending+2>s.pending_buf_size&&flush_pending(strm),s.pending+2<=s.pending_buf_size&&(put_byte(s,255&strm.adler),put_byte(s,strm.adler>>8&255),strm.adler=0,s.status=BUSY_STATE)):s.status=BUSY_STATE),0!==s.pending){if(flush_pending(strm),0===strm.avail_out)return s.last_flush=-1,Z_OK}else if(0===strm.avail_in&&rank(flush)<=rank(old_flush)&&flush!==Z_FINISH)return err(strm,Z_BUF_ERROR);if(s.status===FINISH_STATE&&0!==strm.avail_in)return err(strm,Z_BUF_ERROR);if(0!==strm.avail_in||0!==s.lookahead||flush!==Z_NO_FLUSH&&s.status!==FINISH_STATE){var bstate=s.strategy===Z_HUFFMAN_ONLY?deflate_huff(s,flush):s.strategy===Z_RLE?deflate_rle(s,flush):configuration_table[s.level].func(s,flush);if(bstate!==BS_FINISH_STARTED&&bstate!==BS_FINISH_DONE||(s.status=FINISH_STATE),bstate===BS_NEED_MORE||bstate===BS_FINISH_STARTED)return 0===strm.avail_out&&(s.last_flush=-1),Z_OK;if(bstate===BS_BLOCK_DONE&&(flush===Z_PARTIAL_FLUSH?trees._tr_align(s):flush!==Z_BLOCK&&(trees._tr_stored_block(s,0,0,!1),flush===Z_FULL_FLUSH&&(zero(s.head),0===s.lookahead&&(s.strstart=0,s.block_start=0,s.insert=0))),flush_pending(strm),0===strm.avail_out))return s.last_flush=-1,Z_OK}return flush!==Z_FINISH?Z_OK:s.wrap<=0?Z_STREAM_END:(2===s.wrap?(put_byte(s,255&strm.adler),put_byte(s,strm.adler>>8&255),put_byte(s,strm.adler>>16&255),put_byte(s,strm.adler>>24&255),put_byte(s,255&strm.total_in),put_byte(s,strm.total_in>>8&255),put_byte(s,strm.total_in>>16&255),put_byte(s,strm.total_in>>24&255)):(putShortMSB(s,strm.adler>>>16),putShortMSB(s,65535&strm.adler)),flush_pending(strm),s.wrap>0&&(s.wrap=-s.wrap),0!==s.pending?Z_OK:Z_STREAM_END)}function deflateEnd(strm){var status;return strm&&strm.state?(status=strm.state.status)!==INIT_STATE&&status!==EXTRA_STATE&&status!==NAME_STATE&&status!==COMMENT_STATE&&status!==HCRC_STATE&&status!==BUSY_STATE&&status!==FINISH_STATE?err(strm,Z_STREAM_ERROR):(strm.state=null,status===BUSY_STATE?err(strm,Z_DATA_ERROR):Z_OK):Z_STREAM_ERROR}function deflateSetDictionary(strm,dictionary){var s,str,n,wrap,avail,next,input,tmpDict,dictLength=dictionary.length;if(!strm||!strm.state)return Z_STREAM_ERROR;if(s=strm.state,2===(wrap=s.wrap)||1===wrap&&s.status!==INIT_STATE||s.lookahead)return Z_STREAM_ERROR;for(1===wrap&&(strm.adler=adler32(strm.adler,dictionary,dictLength,0)),s.wrap=0,dictLength>=s.w_size&&(0===wrap&&(zero(s.head),s.strstart=0,s.block_start=0,s.insert=0),tmpDict=new utils.Buf8(s.w_size),utils.arraySet(tmpDict,dictionary,dictLength-s.w_size,s.w_size,0),dictionary=tmpDict,dictLength=s.w_size),avail=strm.avail_in,next=strm.next_in,input=strm.input,strm.avail_in=dictLength,strm.next_in=0,strm.input=dictionary,fill_window(s);s.lookahead>=MIN_MATCH;){str=s.strstart,n=s.lookahead-(MIN_MATCH-1);do{s.ins_h=(s.ins_h<>>24,hold>>>=op,bits-=op,0===(op=here>>>16&255))output[_out++]=65535&here;else{if(!(16&op)){if(0==(64&op)){here=lcode[(65535&here)+(hold&(1<>>=op,bits-=op),bits<15&&(hold+=input[_in++]<>>24,hold>>>=op,bits-=op,!(16&(op=here>>>16&255))){if(0==(64&op)){ +here=dcode[(65535&here)+(hold&(1<dmax){strm.msg="invalid distance too far back",state.mode=30;break top}if(hold>>>=op,bits-=op,op=_out-beg,dist>op){if((op=dist-op)>whave&&state.sane){strm.msg="invalid distance too far back",state.mode=30;break top}if(from=0,from_source=s_window,0===wnext){if(from+=wsize-op,op2;)output[_out++]=from_source[from++],output[_out++]=from_source[from++],output[_out++]=from_source[from++],len-=3;len&&(output[_out++]=from_source[from++],len>1&&(output[_out++]=from_source[from++]))}else{from=_out-dist;do{output[_out++]=output[from++],output[_out++]=output[from++],output[_out++]=output[from++],len-=3}while(len>2);len&&(output[_out++]=output[from++],len>1&&(output[_out++]=output[from++]))}break}}break}}while(_in>3,_in-=len,bits-=len<<3,hold&=(1<>>24&255)+(q>>>8&65280)+((65280&q)<<8)+((255&q)<<24)}function InflateState(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new utils.Buf16(320),this.work=new utils.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function inflateResetKeep(strm){var state;return strm&&strm.state?(state=strm.state,strm.total_in=strm.total_out=state.total=0,strm.msg="",state.wrap&&(strm.adler=1&state.wrap),state.mode=HEAD,state.last=0,state.havedict=0,state.dmax=32768,state.head=null,state.hold=0,state.bits=0,state.lencode=state.lendyn=new utils.Buf32(ENOUGH_LENS),state.distcode=state.distdyn=new utils.Buf32(ENOUGH_DISTS),state.sane=1,state.back=-1,Z_OK):Z_STREAM_ERROR}function inflateReset(strm){var state;return strm&&strm.state?(state=strm.state,state.wsize=0,state.whave=0,state.wnext=0,inflateResetKeep(strm)):Z_STREAM_ERROR}function inflateReset2(strm,windowBits){var wrap,state;return strm&&strm.state?(state=strm.state,windowBits<0?(wrap=0,windowBits=-windowBits):(wrap=1+(windowBits>>4),windowBits<48&&(windowBits&=15)),windowBits&&(windowBits<8||windowBits>15)?Z_STREAM_ERROR:(null!==state.window&&state.wbits!==windowBits&&(state.window=null),state.wrap=wrap,state.wbits=windowBits,inflateReset(strm))):Z_STREAM_ERROR}function inflateInit2(strm,windowBits){var ret,state;return strm?(state=new InflateState,strm.state=state,state.window=null,ret=inflateReset2(strm,windowBits),ret!==Z_OK&&(strm.state=null),ret):Z_STREAM_ERROR}function inflateInit(strm){return inflateInit2(strm,DEF_WBITS)}function fixedtables(state){if(virgin){var sym;for(lenfix=new utils.Buf32(512),distfix=new utils.Buf32(32),sym=0;sym<144;)state.lens[sym++]=8;for(;sym<256;)state.lens[sym++]=9;for(;sym<280;)state.lens[sym++]=7;for(;sym<288;)state.lens[sym++]=8;for(inflate_table(LENS,state.lens,0,288,lenfix,0,state.work,{bits:9}),sym=0;sym<32;)state.lens[sym++]=5;inflate_table(DISTS,state.lens,0,32,distfix,0,state.work,{bits:5}),virgin=!1}state.lencode=lenfix,state.lenbits=9,state.distcode=distfix,state.distbits=5}function updatewindow(strm,src,end,copy){var dist,state=strm.state;return null===state.window&&(state.wsize=1<=state.wsize?(utils.arraySet(state.window,src,end-state.wsize,state.wsize,0),state.wnext=0,state.whave=state.wsize):(dist=state.wsize-state.wnext,dist>copy&&(dist=copy),utils.arraySet(state.window,src,end-copy,dist,state.wnext),copy-=dist,copy?(utils.arraySet(state.window,src,end-copy,copy,0),state.wnext=copy,state.whave=state.wsize):(state.wnext+=dist,state.wnext===state.wsize&&(state.wnext=0),state.whave>>8&255,state.check=crc32(state.check,hbuf,2,0),hold=0,bits=0,state.mode=FLAGS;break}if(state.flags=0,state.head&&(state.head.done=!1),!(1&state.wrap)||(((255&hold)<<8)+(hold>>8))%31){strm.msg="incorrect header check",state.mode=BAD;break}if((15&hold)!==Z_DEFLATED){strm.msg="unknown compression method",state.mode=BAD;break}if(hold>>>=4,bits-=4,len=8+(15&hold),0===state.wbits)state.wbits=len;else if(len>state.wbits){strm.msg="invalid window size",state.mode=BAD;break}state.dmax=1<>8&1),512&state.flags&&(hbuf[0]=255&hold,hbuf[1]=hold>>>8&255,state.check=crc32(state.check,hbuf,2,0)),hold=0,bits=0,state.mode=TIME;case TIME:for(;bits<32;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>8&255,hbuf[2]=hold>>>16&255,hbuf[3]=hold>>>24&255,state.check=crc32(state.check,hbuf,4,0)),hold=0,bits=0,state.mode=OS;case OS:for(;bits<16;){if(0===have)break inf_leave;have--,hold+=input[next++]<>8),512&state.flags&&(hbuf[0]=255&hold,hbuf[1]=hold>>>8&255,state.check=crc32(state.check,hbuf,2,0)),hold=0,bits=0,state.mode=EXLEN;case EXLEN:if(1024&state.flags){for(;bits<16;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>8&255,state.check=crc32(state.check,hbuf,2,0)),hold=0,bits=0}else state.head&&(state.head.extra=null);state.mode=EXTRA;case EXTRA:if(1024&state.flags&&(copy=state.length,copy>have&&(copy=have),copy&&(state.head&&(len=state.head.extra_len-state.length,state.head.extra||(state.head.extra=new Array(state.head.extra_len)),utils.arraySet(state.head.extra,input,next,copy,len)),512&state.flags&&(state.check=crc32(state.check,input,copy,next)),have-=copy,next+=copy,state.length-=copy),state.length))break inf_leave;state.length=0,state.mode=NAME;case NAME:if(2048&state.flags){if(0===have)break inf_leave;copy=0;do{len=input[next+copy++],state.head&&len&&state.length<65536&&(state.head.name+=String.fromCharCode(len))}while(len&©>9&1,state.head.done=!0),strm.adler=state.check=0,state.mode=TYPE;break;case DICTID:for(;bits<32;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=7&bits,bits-=7&bits,state.mode=CHECK;break}for(;bits<3;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=1,bits-=1,3&hold){case 0:state.mode=STORED;break;case 1:if(fixedtables(state),state.mode=LEN_,flush===Z_TREES){hold>>>=2,bits-=2;break inf_leave}break;case 2:state.mode=TABLE;break;case 3:strm.msg="invalid block type",state.mode=BAD}hold>>>=2,bits-=2;break;case STORED:for(hold>>>=7&bits,bits-=7&bits;bits<32;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>16^65535)){strm.msg="invalid stored block lengths",state.mode=BAD;break}if(state.length=65535&hold,hold=0,bits=0,state.mode=COPY_,flush===Z_TREES)break inf_leave;case COPY_:state.mode=COPY;case COPY:if(copy=state.length){if(copy>have&&(copy=have),copy>left&&(copy=left),0===copy)break inf_leave;utils.arraySet(output,input,next,copy,put),have-=copy,next+=copy,left-=copy,put+=copy,state.length-=copy;break}state.mode=TYPE;break;case TABLE:for(;bits<14;){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=5,bits-=5,state.ndist=1+(31&hold),hold>>>=5,bits-=5,state.ncode=4+(15&hold),hold>>>=4,bits-=4,state.nlen>286||state.ndist>30){strm.msg="too many length or distance symbols",state.mode=BAD;break}state.have=0,state.mode=LENLENS;case LENLENS:for(;state.have>>=3,bits-=3}for(;state.have<19;)state.lens[order[state.have++]]=0;if(state.lencode=state.lendyn,state.lenbits=7,opts={bits:state.lenbits},ret=inflate_table(CODES,state.lens,0,19,state.lencode,0,state.work,opts),state.lenbits=opts.bits,ret){strm.msg="invalid code lengths set",state.mode=BAD;break}state.have=0,state.mode=CODELENS;case CODELENS:for(;state.have>>24,here_op=here>>>16&255,here_val=65535&here,!(here_bits<=bits);){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=here_bits,bits-=here_bits,state.lens[state.have++]=here_val;else{if(16===here_val){for(n=here_bits+2;bits>>=here_bits,bits-=here_bits,0===state.have){strm.msg="invalid bit length repeat",state.mode=BAD;break}len=state.lens[state.have-1],copy=3+(3&hold),hold>>>=2,bits-=2}else if(17===here_val){for(n=here_bits+3;bits>>=here_bits,bits-=here_bits,len=0,copy=3+(7&hold),hold>>>=3,bits-=3}else{for(n=here_bits+7;bits>>=here_bits,bits-=here_bits,len=0,copy=11+(127&hold),hold>>>=7,bits-=7}if(state.have+copy>state.nlen+state.ndist){strm.msg="invalid bit length repeat",state.mode=BAD;break}for(;copy--;)state.lens[state.have++]=len}}if(state.mode===BAD)break;if(0===state.lens[256]){strm.msg="invalid code -- missing end-of-block",state.mode=BAD;break}if(state.lenbits=9,opts={bits:state.lenbits},ret=inflate_table(LENS,state.lens,0,state.nlen,state.lencode,0,state.work,opts),state.lenbits=opts.bits,ret){strm.msg="invalid literal/lengths set",state.mode=BAD;break}if(state.distbits=6,state.distcode=state.distdyn,opts={bits:state.distbits},ret=inflate_table(DISTS,state.lens,state.nlen,state.ndist,state.distcode,0,state.work,opts),state.distbits=opts.bits,ret){strm.msg="invalid distances set",state.mode=BAD;break}if(state.mode=LEN_,flush===Z_TREES)break inf_leave;case LEN_:state.mode=LEN;case LEN:if(have>=6&&left>=258){strm.next_out=put,strm.avail_out=left,strm.next_in=next,strm.avail_in=have,state.hold=hold,state.bits=bits,inflate_fast(strm,_out),put=strm.next_out,output=strm.output,left=strm.avail_out,next=strm.next_in,input=strm.input,have=strm.avail_in,hold=state.hold,bits=state.bits,state.mode===TYPE&&(state.back=-1);break}for(state.back=0;here=state.lencode[hold&(1<>>24,here_op=here>>>16&255,here_val=65535&here,!(here_bits<=bits);){if(0===have)break inf_leave;have--,hold+=input[next++]<>last_bits)],here_bits=here>>>24,here_op=here>>>16&255,here_val=65535&here,!(last_bits+here_bits<=bits);){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=last_bits,bits-=last_bits,state.back+=last_bits}if(hold>>>=here_bits,bits-=here_bits,state.back+=here_bits,state.length=here_val,0===here_op){state.mode=LIT;break}if(32&here_op){state.back=-1,state.mode=TYPE;break}if(64&here_op){strm.msg="invalid literal/length code",state.mode=BAD;break}state.extra=15&here_op,state.mode=LENEXT;case LENEXT:if(state.extra){for(n=state.extra;bits>>=state.extra,bits-=state.extra,state.back+=state.extra}state.was=state.length,state.mode=DIST;case DIST:for(;here=state.distcode[hold&(1<>>24,here_op=here>>>16&255,here_val=65535&here,!(here_bits<=bits);){if(0===have)break inf_leave;have--,hold+=input[next++]<>last_bits)],here_bits=here>>>24,here_op=here>>>16&255,here_val=65535&here,!(last_bits+here_bits<=bits);){if(0===have)break inf_leave;have--,hold+=input[next++]<>>=last_bits,bits-=last_bits,state.back+=last_bits}if(hold>>>=here_bits,bits-=here_bits,state.back+=here_bits,64&here_op){strm.msg="invalid distance code",state.mode=BAD;break}state.offset=here_val,state.extra=15&here_op,state.mode=DISTEXT;case DISTEXT:if(state.extra){for(n=state.extra;bits>>=state.extra,bits-=state.extra,state.back+=state.extra}if(state.offset>state.dmax){strm.msg="invalid distance too far back",state.mode=BAD;break}state.mode=MATCH;case MATCH:if(0===left)break inf_leave;if(copy=_out-left,state.offset>copy){if((copy=state.offset-copy)>state.whave&&state.sane){strm.msg="invalid distance too far back",state.mode=BAD;break}copy>state.wnext?(copy-=state.wnext,from=state.wsize-copy):from=state.wnext-copy,copy>state.length&&(copy=state.length),from_source=state.window}else from_source=output,from=put-state.offset,copy=state.length;copy>left&&(copy=left),left-=copy,state.length-=copy;do{output[put++]=from_source[from++]}while(--copy);0===state.length&&(state.mode=LEN);break;case LIT:if(0===left)break inf_leave;output[put++]=state.length,left--,state.mode=LEN;break;case CHECK:if(state.wrap){for(;bits<32;){if(0===have)break inf_leave;have--,hold|=input[next++]<=1&&0===count[max];max--);if(root>max&&(root=max),0===max)return table[table_index++]=20971520,table[table_index++]=20971520,opts.bits=1,0;for(min=1;min0&&(0===type||1!==max))return-1;for(offs[1]=0,len=1;len<15;len++)offs[len+1]=offs[len]+count[len];for(sym=0;sym852||2===type&&used>592)return 1;for(var i=0;;){i++,here_bits=len-drop,work[sym]end?(here_op=extra[extra_index+work[sym]],here_val=base[base_index+work[sym]]):(here_op=96,here_val=0),incr=1<>drop)+fill]=here_bits<<24|here_op<<16|here_val|0}while(0!==fill);for(incr=1<>=1;if(0!==incr?(huff&=incr-1,huff+=incr):huff=0,sym++,0==--count[len]){if(len===max)break;len=lens[lens_index+work[sym]]}if(len>root&&(huff&mask)!==low){for(0===drop&&(drop=root),next+=min,curr=len-drop,left=1<852||2===type&&used>592)return 1;low=huff&mask,table[low]=root<<24|curr<<16|next-table_index|0}}return 0!==huff&&(table[next+huff]=len-drop<<24|64<<16|0),opts.bits=root,0}},{"../utils/common":77}],87:[function(require,module,exports){"use strict";module.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],88:[function(require,module,exports){"use strict";function zero(buf){for(var len=buf.length;--len>=0;)buf[len]=0}function StaticTreeDesc(static_tree,extra_bits,extra_base,elems,max_length){this.static_tree=static_tree,this.extra_bits=extra_bits,this.extra_base=extra_base,this.elems=elems,this.max_length=max_length,this.has_stree=static_tree&&static_tree.length}function TreeDesc(dyn_tree,stat_desc){this.dyn_tree=dyn_tree,this.max_code=0,this.stat_desc=stat_desc}function d_code(dist){return dist<256?_dist_code[dist]:_dist_code[256+(dist>>>7)]}function put_short(s,w){s.pending_buf[s.pending++]=255&w,s.pending_buf[s.pending++]=w>>>8&255}function send_bits(s,value,length){s.bi_valid>Buf_size-length?(s.bi_buf|=value<>Buf_size-s.bi_valid,s.bi_valid+=length-Buf_size):(s.bi_buf|=value<>>=1,res<<=1}while(--len>0);return res>>>1}function bi_flush(s){16===s.bi_valid?(put_short(s,s.bi_buf),s.bi_buf=0,s.bi_valid=0):s.bi_valid>=8&&(s.pending_buf[s.pending++]=255&s.bi_buf,s.bi_buf>>=8,s.bi_valid-=8)}function gen_bitlen(s,desc){var h,n,m,bits,xbits,f,tree=desc.dyn_tree,max_code=desc.max_code,stree=desc.stat_desc.static_tree,has_stree=desc.stat_desc.has_stree,extra=desc.stat_desc.extra_bits,base=desc.stat_desc.extra_base,max_length=desc.stat_desc.max_length,overflow=0;for(bits=0;bits<=MAX_BITS;bits++)s.bl_count[bits]=0;for(tree[2*s.heap[s.heap_max]+1]=0,h=s.heap_max+1;hmax_length&&(bits=max_length,overflow++),tree[2*n+1]=bits,n>max_code||(s.bl_count[bits]++,xbits=0,n>=base&&(xbits=extra[n-base]),f=tree[2*n],s.opt_len+=f*(bits+xbits),has_stree&&(s.static_len+=f*(stree[2*n+1]+xbits)));if(0!==overflow){do{for(bits=max_length-1;0===s.bl_count[bits];)bits--;s.bl_count[bits]--,s.bl_count[bits+1]+=2,s.bl_count[max_length]--,overflow-=2}while(overflow>0);for(bits=max_length;0!==bits;bits--)for(n=s.bl_count[bits];0!==n;)(m=s.heap[--h])>max_code||(tree[2*m+1]!==bits&&(s.opt_len+=(bits-tree[2*m+1])*tree[2*m],tree[2*m+1]=bits),n--)}}function gen_codes(tree,max_code,bl_count){var bits,n,next_code=new Array(MAX_BITS+1),code=0;for(bits=1;bits<=MAX_BITS;bits++)next_code[bits]=code=code+bl_count[bits-1]<<1;for(n=0;n<=max_code;n++){var len=tree[2*n+1];0!==len&&(tree[2*n]=bi_reverse(next_code[len]++,len))}}function tr_static_init(){var n,bits,length,code,dist,bl_count=new Array(MAX_BITS+1);for(length=0,code=0;code>=7;code8?put_short(s,s.bi_buf):s.bi_valid>0&&(s.pending_buf[s.pending++]=s.bi_buf),s.bi_buf=0,s.bi_valid=0}function copy_block(s,buf,len,header){bi_windup(s),header&&(put_short(s,len),put_short(s,~len)),utils.arraySet(s.pending_buf,s.window,buf,len,s.pending),s.pending+=len}function smaller(tree,n,m,depth){var _n2=2*n,_m2=2*m;return tree[_n2]>1;n>=1;n--)pqdownheap(s,tree,n);node=elems;do{n=s.heap[1],s.heap[1]=s.heap[s.heap_len--],pqdownheap(s,tree,1),m=s.heap[1],s.heap[--s.heap_max]=n,s.heap[--s.heap_max]=m,tree[2*node]=tree[2*n]+tree[2*m],s.depth[node]=(s.depth[n]>=s.depth[m]?s.depth[n]:s.depth[m])+1,tree[2*n+1]=tree[2*m+1]=node,s.heap[1]=node++,pqdownheap(s,tree,1)}while(s.heap_len>=2);s.heap[--s.heap_max]=s.heap[1],gen_bitlen(s,desc),gen_codes(tree,max_code,s.bl_count)}function scan_tree(s,tree,max_code){var n,curlen,prevlen=-1,nextlen=tree[1],count=0,max_count=7,min_count=4;for(0===nextlen&&(max_count=138,min_count=3),tree[2*(max_code+1)+1]=65535,n=0;n<=max_code;n++)curlen=nextlen,nextlen=tree[2*(n+1)+1],++count=3&&0===s.bl_tree[2*bl_order[max_blindex]+1];max_blindex--);return s.opt_len+=3*(max_blindex+1)+5+5+4,max_blindex}function send_all_trees(s,lcodes,dcodes,blcodes){var rank;for(send_bits(s,lcodes-257,5),send_bits(s,dcodes-1,5),send_bits(s,blcodes-4,4),rank=0;rank>>=1)if(1&black_mask&&0!==s.dyn_ltree[2*n])return Z_BINARY;if(0!==s.dyn_ltree[18]||0!==s.dyn_ltree[20]||0!==s.dyn_ltree[26])return Z_TEXT;for(n=32;n0?(s.strm.data_type===Z_UNKNOWN&&(s.strm.data_type=detect_data_type(s)),build_tree(s,s.l_desc),build_tree(s,s.d_desc),max_blindex=build_bl_tree(s),opt_lenb=s.opt_len+3+7>>>3,(static_lenb=s.static_len+3+7>>>3)<=opt_lenb&&(opt_lenb=static_lenb)):opt_lenb=static_lenb=stored_len+5,stored_len+4<=opt_lenb&&-1!==buf?_tr_stored_block(s,buf,stored_len,last):s.strategy===Z_FIXED||static_lenb===opt_lenb?(send_bits(s,(STATIC_TREES<<1)+(last?1:0),3),compress_block(s,static_ltree,static_dtree)):(send_bits(s,(DYN_TREES<<1)+(last?1:0),3),send_all_trees(s,s.l_desc.max_code+1,s.d_desc.max_code+1,max_blindex+1), +compress_block(s,s.dyn_ltree,s.dyn_dtree)),init_block(s),last&&bi_windup(s)}function _tr_tally(s,dist,lc){return s.pending_buf[s.d_buf+2*s.last_lit]=dist>>>8&255,s.pending_buf[s.d_buf+2*s.last_lit+1]=255&dist,s.pending_buf[s.l_buf+s.last_lit]=255&lc,s.last_lit++,0===dist?s.dyn_ltree[2*lc]++:(s.matches++,dist--,s.dyn_ltree[2*(_length_code[lc]+LITERALS+1)]++,s.dyn_dtree[2*d_code(dist)]++),s.last_lit===s.lit_bufsize-1}var utils=require("../utils/common"),Z_FIXED=4,Z_BINARY=0,Z_TEXT=1,Z_UNKNOWN=2,STORED_BLOCK=0,STATIC_TREES=1,DYN_TREES=2,LENGTH_CODES=29,LITERALS=256,L_CODES=LITERALS+1+LENGTH_CODES,D_CODES=30,BL_CODES=19,HEAP_SIZE=2*L_CODES+1,MAX_BITS=15,Buf_size=16,MAX_BL_BITS=7,END_BLOCK=256,REP_3_6=16,REPZ_3_10=17,REPZ_11_138=18,extra_lbits=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],extra_dbits=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],extra_blbits=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],bl_order=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],static_ltree=new Array(2*(L_CODES+2));zero(static_ltree);var static_dtree=new Array(2*D_CODES);zero(static_dtree);var _dist_code=new Array(512);zero(_dist_code);var _length_code=new Array(256);zero(_length_code);var base_length=new Array(LENGTH_CODES);zero(base_length);var base_dist=new Array(D_CODES);zero(base_dist);var static_l_desc,static_d_desc,static_bl_desc,static_init_done=!1;exports._tr_init=_tr_init,exports._tr_stored_block=_tr_stored_block,exports._tr_flush_block=_tr_flush_block,exports._tr_tally=_tr_tally,exports._tr_align=_tr_align},{"../utils/common":77}],89:[function(require,module,exports){"use strict";function ZStream(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}module.exports=ZStream},{}],90:[function(require,module,exports){(function(Buffer){"use strict";function ImageData(width,height,channels,data,trailer){this.width=width,this.height=height,this.channels=channels,this.data=data,this.trailer=trailer}function paeth(a,b,c){var p=a+b-c,pa=Math.abs(p-a),pb=Math.abs(p-b),pc=Math.abs(p-c);return pa<=pb&&pa<=pc?a:pb<=pc?b:c}function parseData(dataBuffer){var chunkLength,pngWidth,pngHeight,pngBitDepth,pngDepthMult,pngColorType,pngPixels,pngSamplesPerPixel,pngBytesPerPixel,pngBytesPerScanline,pngSamples,currentScanline,priorScanline,scanlineFilter,pngTrailer,pngPalette,pngAlpha,idChannels,state=0,off=0,buf=new Buffer(13),b=-1,p=0,pngPaletteEntries=0,pngAlphaEntries=0,inflateQueue=[];if(!function(data){for(var tmp,j,len=data.length,i=0;i!==len;)switch(state){case 0:if(data.readUInt8(i++)!==HEADER[off++])return!1;off===HEADER.length&&(state=1,off=0);break;case 1:if(len-i<8-off)data.copy(buf,off,i),off+=len-i,i=len;else switch(data.copy(buf,off,i,i+8-off),i+=8-off,off=0,chunkLength=buf.readUInt32BE(0),buf.toString("ascii",4,8)){case"IHDR":state=2;break;case"PLTE":if(3!==pngColorType)state=7;else{if(chunkLength%3!=0)return!1;pngPaletteEntries=chunkLength/3,pngPalette=new Buffer(chunkLength),state=3}break;case"tRNS":if(3!==pngColorType)return!1;idChannels++,pngAlphaEntries=chunkLength,pngAlpha=new Buffer(chunkLength),state=4;break;case"IDAT":pngPixels||(pngPixels=new Uint8Array(pngWidth*pngHeight*idChannels)),state=5;break;case"IEND":state=6;break;default:state=7}break;case 2:if(13!==chunkLength)return!1;if(len-i>>1)&255;break;case 4:currentScanline[b]=data[i]+(b>>3]>>7-(7&j)&1;break;case 2:pngSamples[k]=currentScanline[j>>>2]>>(3-(3&j)<<1)&3;break;case 4:pngSamples[k]=currentScanline[j>>>1]>>(1-(1&j)<<2)&15;break;case 8:pngSamples[k]=currentScanline[j];break;default:return null}switch(pngColorType){case 0:pngPixels[p++]=pngSamples[0]*pngDepthMult;break;case 2:pngPixels[p++]=pngSamples[0]*pngDepthMult,pngPixels[p++]=pngSamples[1]*pngDepthMult,pngPixels[p++]=pngSamples[2]*pngDepthMult;break;case 3:if(pngSamples[0]>=pngPaletteEntries)return null;switch(idChannels){case 1:pngPixels[p++]=pngPalette[3*pngSamples[0]];break;case 2:pngPixels[p++]=pngPalette[3*pngSamples[0]],pngPixels[p++]=pngSamples[0]=max)return res.substr(0,max);for(;max>res.length&&num>1;)1&num&&(res+=str),num>>=1,str+=str;return res+=str,res=res.substr(0,max)}var cache,res="";module.exports=repeat},{}],95:[function(require,module,exports){(function(global){module.exports=global.performance&&global.performance.now?function(){return performance.now()}:Date.now||function(){return+new Date}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],96:[function(require,module,exports){module.exports=require("./lib/sliced")},{"./lib/sliced":97}],97:[function(require,module,exports){module.exports=function(args,slice,sliceEnd){var ret=[],len=args.length;if(0===len)return ret;var start=slice<0?Math.max(0,slice+len):slice||0;for(void 0!==sliceEnd&&(len=sliceEnd<0?sliceEnd+len:sliceEnd);len-- >start;)ret[len-start]=args[len];return ret}},{}],98:[function(require,module,exports){!function(){"use strict";function sprintf(key){return sprintf_format(sprintf_parse(key),arguments)}function vsprintf(fmt,argv){return sprintf.apply(null,[fmt].concat(argv||[]))}function sprintf_format(parse_tree,argv){var arg,i,k,ph,pad,pad_character,pad_length,is_positive,sign,cursor=1,tree_length=parse_tree.length,output="";for(i=0;i=0),ph.type){case"b":arg=parseInt(arg,10).toString(2);break;case"c":arg=String.fromCharCode(parseInt(arg,10));break;case"d":case"i":arg=parseInt(arg,10);break;case"j":arg=JSON.stringify(arg,null,ph.width?parseInt(ph.width):0);break;case"e":arg=ph.precision?parseFloat(arg).toExponential(ph.precision):parseFloat(arg).toExponential();break;case"f":arg=ph.precision?parseFloat(arg).toFixed(ph.precision):parseFloat(arg);break;case"g":arg=ph.precision?String(Number(arg.toPrecision(ph.precision))):parseFloat(arg);break;case"o":arg=(parseInt(arg,10)>>>0).toString(8);break;case"s":arg=String(arg),arg=ph.precision?arg.substring(0,ph.precision):arg;break;case"t":arg=String(!!arg),arg=ph.precision?arg.substring(0,ph.precision):arg;break;case"T":arg=Object.prototype.toString.call(arg).slice(8,-1).toLowerCase(),arg=ph.precision?arg.substring(0,ph.precision):arg;break;case"u":arg=parseInt(arg,10)>>>0;break;case"v":arg=arg.valueOf(),arg=ph.precision?arg.substring(0,ph.precision):arg;break;case"x":arg=(parseInt(arg,10)>>>0).toString(16);break;case"X":arg=(parseInt(arg,10)>>>0).toString(16).toUpperCase()}re.json.test(ph.type)?output+=arg:(!re.number.test(ph.type)||is_positive&&!ph.sign?sign="":(sign=is_positive?"+":"-",arg=arg.toString().replace(re.sign,"")),pad_character=ph.pad_char?"0"===ph.pad_char?"0":ph.pad_char.charAt(1):" ",pad_length=ph.width-(sign+arg).length,pad=ph.width&&pad_length>0?pad_character.repeat(pad_length):"",output+=ph.align?sign+arg+pad:"0"===pad_character?sign+pad+arg:pad+sign+arg)}return output}function sprintf_parse(fmt){if(sprintf_cache[fmt])return sprintf_cache[fmt];for(var match,_fmt=fmt,parse_tree=[],arg_names=0;_fmt;){if(null!==(match=re.text.exec(_fmt)))parse_tree.push(match[0]);else if(null!==(match=re.modulo.exec(_fmt)))parse_tree.push("%");else{if(null===(match=re.placeholder.exec(_fmt)))throw new SyntaxError("[sprintf] unexpected placeholder");if(match[2]){arg_names|=1;var field_list=[],replacement_field=match[2],field_match=[];if(null===(field_match=re.key.exec(replacement_field)))throw new SyntaxError("[sprintf] failed to parse named argument key");for(field_list.push(field_match[1]);""!==(replacement_field=replacement_field.substring(field_match[0].length));)if(null!==(field_match=re.key_access.exec(replacement_field)))field_list.push(field_match[1]);else{if(null===(field_match=re.index_access.exec(replacement_field)))throw new SyntaxError("[sprintf] failed to parse named argument key");field_list.push(field_match[1])}match[2]=field_list}else arg_names|=2;if(3===arg_names)throw new Error("[sprintf] mixing positional and named placeholders is not (yet) supported");parse_tree.push({placeholder:match[0],param_no:match[1],keys:match[2],sign:match[3],pad_char:match[4],align:match[5],width:match[6],precision:match[7],type:match[8]})}_fmt=_fmt.substring(match[0].length)}return sprintf_cache[fmt]=parse_tree}var re={not_string:/[^s]/,not_bool:/[^t]/,not_type:/[^T]/,not_primitive:/[^v]/,number:/[diefg]/,numeric_arg:/[bcdiefguxX]/,json:/[j]/,not_json:/[^j]/,text:/^[^\x25]+/,modulo:/^\x25{2}/,placeholder:/^\x25(?:([1-9]\d*)\$|\(([^)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijostTuvxX])/,key:/^([a-z_][a-z_\d]*)/i,key_access:/^\.([a-z_][a-z_\d]*)/i,index_access:/^\[(\d+)\]/,sign:/^[+-]/},sprintf_cache=Object.create(null);void 0!==exports&&(exports.sprintf=sprintf,exports.vsprintf=vsprintf),"undefined"!=typeof window&&(window.sprintf=sprintf,window.vsprintf=vsprintf,"function"==typeof define&&define.amd&&define(function(){return{sprintf:sprintf,vsprintf:vsprintf}}))}()},{}],99:[function(require,module,exports){(function(global){"use strict";var bits=require("bit-twiddle"),dup=require("dup");global.__TYPEDARRAY_POOL||(global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0])});var POOL=global.__TYPEDARRAY_POOL,UINT8=POOL.UINT8,UINT16=POOL.UINT16,UINT32=POOL.UINT32,INT8=POOL.INT8,INT16=POOL.INT16,INT32=POOL.INT32,FLOAT=POOL.FLOAT,DOUBLE=POOL.DOUBLE,DATA=POOL.DATA;exports.free=function(array){if(array instanceof ArrayBuffer){var n=0|array.byteLength,log_n=bits.log2(n);DATA[log_n].push(array)}else{var n=0|array.length,log_n=bits.log2(n);array instanceof Uint8Array?UINT8[log_n].push(array):array instanceof Uint16Array?UINT16[log_n].push(array):array instanceof Uint32Array?UINT32[log_n].push(array):array instanceof Int8Array?INT8[log_n].push(array):array instanceof Int16Array?INT16[log_n].push(array):array instanceof Int32Array?INT32[log_n].push(array):array instanceof Float32Array?FLOAT[log_n].push(array):array instanceof Float64Array&&DOUBLE[log_n].push(array)}},exports.freeUint8=function(array){UINT8[bits.log2(array.length)].push(array)},exports.freeUint16=function(array){UINT16[bits.log2(array.length)].push(array)},exports.freeUint32=function(array){UINT32[bits.log2(array.length)].push(array)},exports.freeInt8=function(array){INT8[bits.log2(array.length)].push(array)},exports.freeInt16=function(array){INT16[bits.log2(array.length)].push(array)},exports.freeInt32=function(array){INT32[bits.log2(array.length)].push(array)},exports.freeFloat32=exports.freeFloat=function(array){FLOAT[bits.log2(array.length)].push(array)},exports.freeFloat64=exports.freeDouble=function(array){DOUBLE[bits.log2(array.length)].push(array)},exports.freeArrayBuffer=function(array){DATA[bits.log2(array.length)].push(array)},exports.malloc=function(n,dtype){n=bits.nextPow2(n);var log_n=bits.log2(n);if(void 0===dtype){var d=DATA[log_n];if(d.length>0){var r=d[d.length-1];return d.pop(),r}return new ArrayBuffer(n)}switch(dtype){case"uint8":var u8=UINT8[log_n];return u8.length>0?u8.pop():new Uint8Array(n);case"uint16":var u16=UINT16[log_n];return u16.length>0?u16.pop():new Uint16Array(n);case"uint32":var u32=UINT32[log_n];return u32.length>0?u32.pop():new Uint32Array(n);case"int8":var i8=INT8[log_n];return i8.length>0?i8.pop():new Int8Array(n);case"int16":var i16=INT16[log_n];return i16.length>0?i16.pop():new Int16Array(n);case"int32":var i32=INT32[log_n];return i32.length>0?i32.pop():new Int32Array(n);case"float":case"float32":var f=FLOAT[log_n];return f.length>0?f.pop():new Float32Array(n);case"double":case"float64":var dd=DOUBLE[log_n];return dd.length>0?dd.pop():new Float64Array(n);default:return null}return null},exports.mallocUint8=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=UINT8[log_n];return cache.length>0?cache.pop():new Uint8Array(n)},exports.mallocUint16=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=UINT16[log_n];return cache.length>0?cache.pop():new Uint16Array(n)},exports.mallocUint32=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=UINT32[log_n];return cache.length>0?cache.pop():new Uint32Array(n)},exports.mallocInt8=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=INT8[log_n];return cache.length>0?cache.pop():new Int8Array(n)},exports.mallocInt16=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=INT16[log_n];return cache.length>0?cache.pop():new Int16Array(n)},exports.mallocInt32=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=INT32[log_n];return cache.length>0?cache.pop():new Int32Array(n)},exports.mallocFloat32=exports.mallocFloat=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=FLOAT[log_n];return cache.length>0?cache.pop():new Float32Array(n)},exports.mallocFloat64=exports.mallocDouble=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=DOUBLE[log_n];return cache.length>0?cache.pop():new Float64Array(n)},exports.mallocArrayBuffer=function(n){n=bits.nextPow2(n);var log_n=bits.log2(n),cache=DATA[log_n];return cache.length>0?cache.pop():new ArrayBuffer(n)},exports.clearCache=function(){for(var i=0;i<32;++i)UINT8[i].length=0,UINT16[i].length=0,UINT32[i].length=0,INT8[i].length=0,INT16[i].length=0,INT32[i].length=0,FLOAT[i].length=0,DOUBLE[i].length=0,DATA[i].length=0}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"bit-twiddle":8,dup:16}],100:[function(require,module,exports){function unindex(positions,cells,out){positions.positions&&positions.cells&&(out=cells,cells=positions.cells,positions=positions.positions),out=out||new Float32Array(9*cells.length);for(var i=0,n=0,l=cells.length;i=0?values[index]:opt_default)}function has___(key){var hiddenRecord=getHiddenRecord(key);return hiddenRecord?id in hiddenRecord:keys.indexOf(key)>=0}function set___(key,value){var index,hiddenRecord=getHiddenRecord(key);return hiddenRecord?hiddenRecord[id]=value:(index=keys.indexOf(key),index>=0?values[index]=value:(index=keys.length,values[index]=value,keys[index]=key)),this}function delete___(key){var index,lastIndex,hiddenRecord=getHiddenRecord(key);return hiddenRecord?id in hiddenRecord&&delete hiddenRecord[id]:!((index=keys.indexOf(key))<0)&&(lastIndex=keys.length-1,keys[index]=void 0,values[index]=values[lastIndex],keys[index]=keys[lastIndex],keys.length=lastIndex,values.length=lastIndex,!0)}this instanceof OurWeakMap||calledAsFunctionWarning();var keys=[],values=[],id=nextId++;return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(get___)},has___:{value:constFunc(has___)},set___:{value:constFunc(set___)},delete___:{value:constFunc(delete___)}})};OurWeakMap.prototype=Object.create(Object.prototype,{get:{value:function(key,opt_default){return this.get___(key,opt_default)},writable:!0,configurable:!0},has:{value:function(key){return this.has___(key)},writable:!0,configurable:!0},set:{value:function(key,value){return this.set___(key,value)},writable:!0,configurable:!0},delete:{value:function(key){return this.delete___(key)},writable:!0,configurable:!0}}),"function"==typeof HostWeakMap?function(){function DoubleWeakMap(){function dget(key,opt_default){return omap?hmap.has(key)?hmap.get(key):omap.get___(key,opt_default):hmap.get(key,opt_default)}function dhas(key){return hmap.has(key)||!!omap&&omap.has___(key)}function ddelete(key){var result=!!hmap.delete(key);return omap?omap.delete___(key)||result:result}this instanceof OurWeakMap||calledAsFunctionWarning();var dset,hmap=new HostWeakMap,omap=void 0,enableSwitching=!1;return dset=doubleWeakMapCheckSilentFailure?function(key,value){return hmap.set(key,value),hmap.has(key)||(omap||(omap=new OurWeakMap),omap.set(key,value)),this}:function(key,value){if(enableSwitching)try{hmap.set(key,value)}catch(e){omap||(omap=new OurWeakMap),omap.set___(key,value)}else hmap.set(key,value);return this},Object.create(OurWeakMap.prototype,{get___:{value:constFunc(dget)},has___:{value:constFunc(dhas)},set___:{value:constFunc(dset)},delete___:{value:constFunc(ddelete)},permitHostObjects___:{value:constFunc(function(token){if(token!==weakMapPermitHostObjects)throw new Error("bogus call to permitHostObjects___");enableSwitching=!0})}})}doubleWeakMapCheckSilentFailure&&"undefined"!=typeof Proxy&&(Proxy=void 0),DoubleWeakMap.prototype=OurWeakMap.prototype,module.exports=DoubleWeakMap,Object.defineProperty(WeakMap.prototype,"constructor",{value:WeakMap,enumerable:!1,configurable:!0,writable:!0})}():("undefined"!=typeof Proxy&&(Proxy=void 0),module.exports=OurWeakMap)}}()},{}],103:[function(require,module,exports){function createStore(){var key={};return function(obj){if(("object"!=typeof obj||null===obj)&&"function"!=typeof obj)throw new Error("Weakmap-shim: Key must be object");var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}var hiddenStore=require("./hidden-store.js");module.exports=createStore},{"./hidden-store.js":104}],104:[function(require,module,exports){function hiddenStore(obj,key){var store={identity:key},valueOf=obj.valueOf;return Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:!0}),store}module.exports=hiddenStore},{}],105:[function(require,module,exports){function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){return privates(key).value=value,this},has:function(key){return"value"in privates(key)},delete:function(key){return delete privates(key).value}}}var createStore=require("./create-store.js");module.exports=weakMap},{"./create-store.js":103}],106:[function(require,module,exports){"use strict";function baseName(ext_name){for(var i=0;i0)throw new Error("Invalid string. Length must be a multiple of 4");var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0,arr=new Arr(3*b64.length/4-placeHolders),l=placeHolders>0?b64.length-4:b64.length;var L=0;for(i=0,j=0;i>16),push((65280&tmp)>>8),push(255&tmp);return 2===placeHolders?(tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4,push(255&tmp)):1===placeHolders&&(tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2,push(tmp>>8&255),push(255&tmp)),arr}function uint8ToBase64(uint8){function encode(num){return"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(num)}var i,temp,length,extraBytes=uint8.length%3,output="";for(i=0,length=uint8.length-extraBytes;i>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(63&num)}(temp);switch(extraBytes){case 1:temp=uint8[uint8.length-1],output+=encode(temp>>2),output+=encode(temp<<4&63),output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1],output+=encode(temp>>10),output+=encode(temp>>4&63),output+=encode(temp<<2&63),output+="="}return output}var Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,PLUS="+".charCodeAt(0),SLASH="/".charCodeAt(0),NUMBER="0".charCodeAt(0),LOWER="a".charCodeAt(0),UPPER="A".charCodeAt(0),PLUS_URL_SAFE="-".charCodeAt(0),SLASH_URL_SAFE="_".charCodeAt(0);exports.toByteArray=b64ToByteArray,exports.fromByteArray=uint8ToBase64}(void 0===exports?this.base64js={}:exports)},{}],108:[function(require,module,exports){(function(global){"use strict";function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function Buffer(arg){return this instanceof Buffer?(Buffer.TYPED_ARRAY_SUPPORT||(this.length=0,this.parent=void 0),"number"==typeof arg?fromNumber(this,arg):"string"==typeof arg?fromString(this,arg,arguments.length>1?arguments[1]:"utf8"):fromObject(this,arg)):arguments.length>1?new Buffer(arg,arguments[1]):new Buffer(arg)}function fromNumber(that,length){if(that=allocate(that,length<0?0:0|checked(length)),!Buffer.TYPED_ARRAY_SUPPORT)for(var i=0;i>>1&&(that.parent=rootParent),that}function checked(length){if(length>=kMaxLength())throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+kMaxLength().toString(16)+" bytes");return 0|length}function SlowBuffer(subject,encoding){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding);var buf=new Buffer(subject,encoding);return delete buf.parent,buf}function byteLength(string,encoding){"string"!=typeof string&&(string=""+string);var len=string.length;if(0===len)return 0;for(var loweredCase=!1;;)switch(encoding){case"ascii":case"binary":case"raw":case"raws":return len;case"utf8":case"utf-8":return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*len;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase(),loweredCase=!0}}function slowToString(encoding,start,end){var loweredCase=!1;if(start|=0,end=void 0===end||end===1/0?this.length:0|end,encoding||(encoding="utf8"),start<0&&(start=0),end>this.length&&(end=this.length),end<=start)return"";for(;;)switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase(),loweredCase=!0}}function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;length?(length=Number(length))>remaining&&(length=remaining):length=remaining;var strLen=string.length;if(strLen%2!=0)throw new Error("Invalid hex string");length>strLen/2&&(length=strLen/2);for(var i=0;i239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:firstByte<128&&(codePoint=firstByte);break;case 2:secondByte=buf[i+1],128==(192&secondByte)&&(tempCodePoint=(31&firstByte)<<6|63&secondByte)>127&&(codePoint=tempCodePoint);break;case 3:secondByte=buf[i+1],thirdByte=buf[i+2],128==(192&secondByte)&&128==(192&thirdByte)&&(tempCodePoint=(15&firstByte)<<12|(63&secondByte)<<6|63&thirdByte)>2047&&(tempCodePoint<55296||tempCodePoint>57343)&&(codePoint=tempCodePoint);break;case 4:secondByte=buf[i+1],thirdByte=buf[i+2],fourthByte=buf[i+3],128==(192&secondByte)&&128==(192&thirdByte)&&128==(192&fourthByte)&&(tempCodePoint=(15&firstByte)<<18|(63&secondByte)<<12|(63&thirdByte)<<6|63&fourthByte)>65535&&tempCodePoint<1114112&&(codePoint=tempCodePoint)}}null===codePoint?(codePoint=65533,bytesPerSequence=1):codePoint>65535&&(codePoint-=65536,res.push(codePoint>>>10&1023|55296),codePoint=56320|1023&codePoint),res.push(codePoint),i+=bytesPerSequence}return decodeCodePointsArray(res)}function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH)return String.fromCharCode.apply(String,codePoints);for(var res="",i=0;ilen)&&(end=len);for(var out="",i=start;ilength)throw new RangeError("Trying to access beyond buffer length")}function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||valuebuf.length)throw new RangeError("index out of range")}function objectWriteUInt16(buf,value,offset,littleEndian){value<0&&(value=65535+value+1);for(var i=0,j=Math.min(buf.length-offset,2);i>>8*(littleEndian?i:1-i)}function objectWriteUInt32(buf,value,offset,littleEndian){value<0&&(value=4294967295+value+1);for(var i=0,j=Math.min(buf.length-offset,4);i>>8*(littleEndian?i:3-i)&255}function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||valuebuf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){return noAssert||checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38),ieee754.write(buf,value,offset,littleEndian,23,4),offset+4}function writeDouble(buf,value,offset,littleEndian,noAssert){return noAssert||checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308),ieee754.write(buf,value,offset,littleEndian,52,8),offset+8}function base64clean(str){if(str=stringtrim(str).replace(INVALID_BASE64_RE,""),str.length<2)return"";for(;str.length%4!=0;)str+="=";return str}function stringtrim(str){return str.trim?str.trim():str.replace(/^\s+|\s+$/g,"")}function toHex(n){return n<16?"0"+n.toString(16):n.toString(16)}function utf8ToBytes(string,units){units=units||1/0;for(var codePoint,length=string.length,leadSurrogate=null,bytes=[],i=0;i55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){(units-=3)>-1&&bytes.push(239,191,189);continue}if(i+1===length){(units-=3)>-1&&bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){(units-=3)>-1&&bytes.push(239,191,189),leadSurrogate=codePoint;continue}codePoint=65536+(leadSurrogate-55296<<10|codePoint-56320)}else leadSurrogate&&(units-=3)>-1&&bytes.push(239,191,189);if(leadSurrogate=null,codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,63&codePoint|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,63&codePoint|128)}else{if(!(codePoint<1114112))throw new Error("Invalid code point");if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,63&codePoint|128)}}return bytes}function asciiToBytes(str){for(var byteArray=[],i=0;i>8,lo=c%256,byteArray.push(lo),byteArray.push(hi);return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i=dst.length||i>=src.length);i++)dst[i+offset]=src[i];return i}var base64=require("base64-js"),ieee754=require("ieee754"),isArray=require("isarray");exports.Buffer=Buffer,exports.SlowBuffer=SlowBuffer,exports.INSPECT_MAX_BYTES=50,Buffer.poolSize=8192;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=void 0!==global.TYPED_ARRAY_SUPPORT?global.TYPED_ARRAY_SUPPORT:function(){function Bar(){}try{var arr=new Uint8Array(1);return arr.foo=function(){return 42},arr.constructor=Bar,42===arr.foo()&&arr.constructor===Bar&&"function"==typeof arr.subarray&&0===arr.subarray(1,1).byteLength}catch(e){return!1}}(),Buffer.TYPED_ARRAY_SUPPORT?(Buffer.prototype.__proto__=Uint8Array.prototype,Buffer.__proto__=Uint8Array):(Buffer.prototype.length=void 0,Buffer.prototype.parent=void 0),Buffer.isBuffer=function(b){return!(null==b||!b._isBuffer)},Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");if(a===b)return 0;for(var x=a.length,y=b.length,i=0,len=Math.min(x,y);i0&&(str=this.toString("hex",0,max).match(/.{2}/g).join(" "),this.length>max&&(str+=" ... 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noAssert||checkOffset(offset,2,this.length),this[offset]|this[offset+1]<<8},Buffer.prototype.readUInt16BE=function(offset,noAssert){return noAssert||checkOffset(offset,2,this.length),this[offset]<<8|this[offset+1]},Buffer.prototype.readUInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+16777216*this[offset+3]},Buffer.prototype.readUInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),16777216*this[offset]+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])},Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var i=byteLength,mul=1,val=this[offset+--i];i>0&&(mul*=256);)val+=this[offset+--i]*mul;return mul*=128,val>=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readInt8=function(offset,noAssert){return noAssert||checkOffset(offset,1,this.length),128&this[offset]?-1*(255-this[offset]+1):this[offset]},Buffer.prototype.readInt16LE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt16BE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24},Buffer.prototype.readInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]},Buffer.prototype.readFloatLE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!0,23,4)},Buffer.prototype.readFloatBE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!1,23,4)},Buffer.prototype.readDoubleLE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!0,52,8)},Buffer.prototype.readDoubleBE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!1,52,8)},Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value,offset|=0,byteLength|=0,noAssert||checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1,i=0;for(this[offset]=255&value;++i=0&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,255,0),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),this[offset]=255&value,offset+1},Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset+3]=value>>>24,this[offset+2]=value>>>16,this[offset+1]=value>>>8,this[offset]=255&value):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0,mul=1,sub=value<0?1:0;for(this[offset]=255&value;++i>0)-sub&255;return offset+byteLength},Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1,mul=1,sub=value<0?1:0;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,127,-128),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),value<0&&(value=255+value+1),this[offset]=255&value,offset+1},Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8,this[offset+2]=value>>>16,this[offset+3]=value>>>24):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),value<0&&(value=4294967295+value+1),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,!0,noAssert)},Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,!1,noAssert)},Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,!0,noAssert)},Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,!1,noAssert)},Buffer.prototype.copy=function(target,targetStart,start,end){if(start||(start=0),end||0===end||(end=this.length),targetStart>=target.length&&(targetStart=target.length),targetStart||(targetStart=0),end>0&&end=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");end>this.length&&(end=this.length),target.length-targetStart=0;i--)target[i+targetStart]=this[i+start];else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT)for(i=0;i=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var 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"thumb": "", - "featured": false, - "i": 4 - }, - { - "name": "vkey", - "desc": "", - "link": "http://ghub.io/vkey", - "thumb": "", - "featured": false, - "i": 5 - } - ], - "Shader Components": [ - { - "name": "glsl-luma", - "desc": "\n", - "link": "http://ghub.io/glsl-luma", - "thumb": "http://imgur.com/SRxqxj2.png", - "featured": false, - "i": 0 - }, - { - "name": "glsl-dither", - "desc": "\n", - "link": "http://ghub.io/glsl-dither", - "thumb": "http://imgur.com/D4ccYiJ.png", - "featured": false, - "i": 1 - }, - { - "name": "glsl-noise", - "desc": "", - "link": "http://ghub.io/glsl-noise", - "thumb": "", - "featured": false, - "i": 2 - }, - { - "name": "glsl-random", - "desc": "\n", - "link": "http://ghub.io/glsl-random", - "thumb": "http://imgur.com/9EOo2or.png", - "featured": false, - "i": 3 - }, - { - "name": "glsl-fog", - "desc": "\n", - "link": "http://ghub.io/glsl-fog", - "thumb": "http://imgur.com/8l0otem.png", - "featured": false, - "i": 4 - } - ], - "Shader Transforms": [ - { - "name": "glslify-hex", - "desc": "", - "link": "http://ghub.io/glslify-hex", - "thumb": "", - "featured": false, - "i": 0 - }, - { - "name": "glslify-import", - "desc": "", - "link": "http://ghub.io/glslify-import", - "thumb": "", - "featured": false, - "i": 1 - } - ], - "File Parsers": [], - "Visualisation": [ - { - "name": "gl-compare", - "desc": "", - "link": "http://ghub.io/gl-compare", - "thumb": "", - "featured": false, - "i": 0 - } - ], - "Internals": [ - { - "name": "glsl-parser", - "desc": "", - "link": "http://ghub.io/glsl-parser", - "thumb": "", - "featured": false, - "i": 0 - }, - { - "name": "glsl-tokenizer", - "desc": "", - "link": "http://ghub.io/glsl-tokenizer", - "thumb": "", - "featured": false, - "i": 1 - }, - { - "name": "glsl-deparser", - "desc": "", - "link": "http://ghub.io/glsl-deparser", - "thumb": "", - "featured": false, - "i": 2 - }, - { - "name": "glsl-extract", - "desc": "", - "link": "http://ghub.io/glsl-extract", - "thumb": "", - "featured": false, - "i": 3 - }, - { - "name": "glslify-stream", - "desc": "", - "link": "http://ghub.io/glslify-stream", - "thumb": "", - "featured": false, - "i": 4 - }, - { - "name": "gl-shader-core", - "desc": "", - "link": "http://ghub.io/gl-shader-core", - "thumb": "", - "featured": false, - "i": 5 - } - ], - "Assets": [ - { - "name": "lena", - "desc": "\n", - "link": "http://ghub.io/lena", - "thumb": "http://imgur.com/eSx2pBu.png", - "featured": false, - "i": 0 - }, - { - "name": "baboon-image", - "desc": "\n", - "link": "http://ghub.io/baboon-image", - "thumb": "http://imgur.com/63yazJ1.png", - "featured": false, - "i": 1 - }, - { - "name": "bunny", - "desc": "\n", - "link": "http://ghub.io/bunny", - "thumb": "http://imgur.com/5VIykyD.png", - "featured": false, - "i": 2 - }, - { - "name": "teapot", - "desc": "", - "link": "http://ghub.io/teapot", - "thumb": "", - "featured": false, - "i": 3 - }, - { - "name": "stanford-dragon", - "desc": "\n", - "link": "http://ghub.io/stanford-dragon", - "thumb": "http://imgur.com/XWYMq6J.png", - "featured": false, - "i": 4 - } - ] -} -},{}],3:[function(require,module,exports){ -var splash = document.getElementById('splash') -var canvas = splash.querySelector('canvas') -var filter = require('./lib/filter') -var minstache = require('minstache') -var domify = require('domify') -var slice = require('sliced') -require('./lib/fill')(document.querySelectorAll('[data-fill]')) -require('@stackgl/splash-grid')(canvas) - -var thumb = minstache.compile("
  • \n
    \n \n
    \n     \n
    \n \n

    {{name}}

    \n     \n
    \n {{#featured}}\n {{!desc}}\n {{/featured}}\n
    \n
    \n
    \n
    • \n") - -var examples = require('./build/examples.json').map(function(meta) { - return thumb(meta) -}).join('\n') - -var packages = require('./build/packages.json') - -packages = Object.keys(packages).reduce(function(pkgs, group) { - return pkgs.concat(packages[group].map(function(pkg) { - pkg.group = group - return pkg - })) -}, []).map(function(meta) { - return thumb(meta) -}).join('\n') - -document - .getElementById('examples') - .querySelector('ul.thumb-list') - .appendChild(domify(examples)) - -var pkgEl = document.getElementById('packages') - -pkgEl - .querySelector('ul.thumb-list') - .appendChild(domify(packages)) - -pkgEl - .querySelector('ul.thumb-filter') - .appendChild(filter(pkgEl)) - -},{"./build/examples.json":1,"./build/packages.json":2,"./lib/fill":4,"./lib/filter":5,"@stackgl/splash-grid":7,"domify":99,"minstache":103,"sliced":104}],4:[function(require,module,exports){ -var debounce = require('frame-debounce') - -module.exports = fill - -function fill(elements) { - refill() - window.addEventListener('resize' - , debounce(refill) - , false - ) - - function refill() { - var width = window.innerWidth + 'px' - var height = window.innerHeight + 'px' - - for (var i = 0; i < elements.length; i++) { - var s = elements[i].style - s.width = width - s.minHeight = height - } - } -} - -},{"frame-debounce":101}],5:[function(require,module,exports){ -var findup = require('findup-element') -var minstache = require('minstache') -var domify = require('domify') -var slice = require('sliced') -var all = 'All Packages' -var template = minstache.compile("{{#category}}\n
  • {{name}}
    • \n{{/category}}\n") - -module.exports = function(thumbs) { - var filtered = slice(thumbs.querySelectorAll('[data-filter]')) - - var categories = filtered.reduce(function(categories, el) { - var cat = el.getAttribute('data-filter') - if (categories.indexOf(cat) === -1) categories.push(cat) - return categories - }, []) - - categories.unshift(all) - categories = categories.map(function(name) { - return { name: name } - }) - - var list = domify(template({ category: categories })) - var prev = list.children[0] - - prev.setAttribute('class', 'selected') - slice(list.children).forEach(function(child) { - var name = child.getAttribute('data-name') - - child.addEventListener('click', function(e) { - e.preventDefault() - e.stopPropagation() - var target = findup(e.target, 'li') - if (target !== child) return false - - prev.setAttribute('class', '') - prev = target - prev.setAttribute('class', 'selected') - for (var i = 0; i < filtered.length; i++) { - filtered[i].style.display = ( - name === all || - name === filtered[i].getAttribute('data-filter') - ) ? 'block' - : 'none' - } - - return false - }, false) - }) - - return list -} - -},{"domify":99,"findup-element":100,"minstache":103,"sliced":104}],6:[function(require,module,exports){ -module.exports=require('ndpack-image')(1,256,4,"iVBORw0KGgoAAAANSUhEUgAAAQAAAAABCAYAAAAxWXB3AAAAAklEQVR4AewaftIAAADsSURBVCXBgXEEIQADsZW5/lv+DERS/dBDF3roQlkXeoj1EOshVnSxItZjoSzWQyzWb2JFF6e2WBGrLVbEaosV2YpYka0sZCti/SZWZMpClIQQ2oROQhRC6BBCUwiNRmhEobM1oqTRmdCIGp1JGlGzvokaoW9Cq9C3Yk1R3xY1QseaQqMzjajR6BCaGp0JjaizRY3QmUaq0ZnQCI02nUSh0aYRoqSzRSGEDiGKYlGsqU0IoRHLtC2EkImFItTEykIRshWhiPUjFKEs1ISyUIQi1kMoMqHoQhGKLlYkPYSiC0UXii70KPRPF3ro+gNf1gb72t6EvgAAAABJRU5ErkJggg==") - -},{"ndpack-image":94}],7:[function(require,module,exports){ -var createCamera = require("orbit-camera"); -var createTex2d = require("gl-texture2d"); -var createGeom = require("gl-geometry"); -var createFBO = require("gl-fbo"); -var createShader = require("glslify"); - -var clear = require("gl-clear")({ - color: [1, 1, 1, 1] -}); - -var mat4 = require("gl-matrix").mat4; -var quat = require("gl-matrix").quat; -var triangle = require("a-big-triangle"); -var debounce = require("frame-debounce"); -var unindex = require("unindex-mesh"); -var normals = require("face-normals"); -var combine = require("mesh-combine"); -var fit = require("canvas-fit"); -var qbqb = require("cube-cube"); -var getTime = require("right-now"); -var clone = require("clone"); -var TIMESCALE = 0.5; -var SIZE = 16; -var RES = [1 / SIZE, 1 / SIZE]; - -module.exports = function(canvas) { - var gl = require("gl-context")(canvas, render); - - var heightmap = createFBO(gl, [SIZE, SIZE], { - float: true - }); - - var gradient = createTex2d(gl, require("./gradient-map")); - var voxels = createMesh(); - var projection = mat4.create(); - var viewrot = mat4.create(); - var view = mat4.create(); - var model = mat4.create(); - var camera = createCamera([0, 10, 30], [0, 0, 0], [0, 1, 0]); - var shader = require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 aPosition;\nattribute vec3 aCentroid;\nattribute vec3 aNormal;\nattribute vec3 aEdge;\nvarying vec4 vNeighbours;\nvarying vec3 vNormal;\nvarying vec2 vEdge;\nuniform sampler2D tHeightmap;\nuniform vec2 uResolution;\nuniform mat4 uProjection;\nuniform mat4 uModel;\nuniform mat4 uView;\nconst float threshold = 1.0 / 0.01;\nvoid main() {\n vec3 position = aPosition;\n vec2 coord = aCentroid.xz;\n float height = texture2D(tHeightmap, aCentroid.xz).r;\n float nht = texture2D(tHeightmap, coord + uResolution * vec2(+0.0, -1.0)).r;\n float nhb = texture2D(tHeightmap, coord + uResolution * vec2(+0.0, +1.0)).r;\n float nhl = texture2D(tHeightmap, coord + uResolution * vec2(-1.0, +0.0)).r;\n float nhr = texture2D(tHeightmap, coord + uResolution * vec2(+1.0, +0.0)).r;\n position.y = mix(position.y, height, position.y);\n gl_Position = (uProjection * uView * uModel * vec4(position, 1.0)) + vec4(0.35, -0.2, 0.0, 0.0);\n vNormal = aNormal;\n vEdge = aEdge.xz;\n vNeighbours = vec4(clamp((nht - height) * threshold, -1.0, 1.0), clamp((nhb - height) * threshold, -1.0, 1.0), clamp((nhl - height) * threshold, -1.0, 1.0), clamp((nhr - height) * threshold, -1.0, 1.0));\n}", "\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform sampler2D tGradient;\nuniform mat4 uViewRotation;\nvarying vec4 vNeighbours;\nvarying vec3 vNormal;\nvarying vec2 vEdge;\n#define EDGE_SHARPNESS 1.8\n\n#define EDGE_SHADOW 0.2\n\n#define BLOCK_COLOR 1.1\n\nvoid main() {\n vec4 lightDirection = vec4(normalize(vec3(-0.2, 1.2, 0.8)), 1.0);\n lightDirection = uViewRotation * lightDirection;\n float nhr = max(0.0, vNeighbours.x);\n float nhl = max(0.0, vNeighbours.y);\n float nhb = max(0.0, vNeighbours.z);\n float nht = max(0.0, vNeighbours.w);\n float top = abs(vNormal.y);\n vec2 de = vec2(max(0.0, nht * vEdge.x) - min(0.0, nhb * vEdge.x), max(0.0, nhl * vEdge.y) - min(0.0, nhr * vEdge.y));\n float d1 = smoothstep(0.0, 1.0, abs(de.x));\n float d2 = smoothstep(0.0, 1.0, abs(de.y));\n float d = (pow(d1, EDGE_SHARPNESS) + pow(d2, EDGE_SHARPNESS));\n vec3 diffuse = vec3(1.0 - min(d, 1.0) * top * EDGE_SHADOW) * BLOCK_COLOR;\n vec3 ambient = vec3(0.1);\n float lambert = max(0.0, dot(vNormal, normalize(lightDirection.xyz)));\n vec3 color = diffuse * lambert + ambient;\n gl_FragColor.rgb = texture2D(tGradient, vec2(0.0, color.r)).rgb;\n gl_FragColor.a = 1.0;\n}", [{"name":"tHeightmap","type":"sampler2D"},{"name":"uResolution","type":"vec2"},{"name":"uProjection","type":"mat4"},{"name":"uModel","type":"mat4"},{"name":"uView","type":"mat4"},{"name":"tGradient","type":"sampler2D"},{"name":"uViewRotation","type":"mat4"}], [{"name":"aPosition","type":"vec3"},{"name":"aCentroid","type":"vec3"},{"name":"aNormal","type":"vec3"},{"name":"aEdge","type":"vec3"}])(gl); - var heightShader = require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec2 position;\nvoid main() {\n gl_Position = vec4(position.xy, 1.0, 1.0);\n}", "\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec2 uResolution;\nuniform float uTime;\nvoid main() {\n vec2 coord = (gl_FragCoord.xy * uResolution - 0.5) * 2.0;\n float height = 0.0;\n height += sin(uTime * 0.00062 + coord.y * 2.5) * 0.4;\n height += cos(uTime * 0.00048 + coord.x * 1.8) * 0.6;\n height += sin(uTime * 0.0048 + coord.x * 7.9) * 0.2;\n height += cos(uTime * 0.0038 + coord.y * 6.8) * 0.1;\n height += sin(uTime * 0.0028 + coord.y * 2.8 + 0.5) * 0.3;\n height -= clamp(1.0 - uTime * 0.0005, 0.0, 1.0) * 2.0;\n height = max(0.0, height * 0.2);\n height *= max(0.0, 0.85 - max(0.0, coord.x * coord.x + coord.y * coord.y));\n gl_FragColor.r = height;\n gl_FragColor.gba = vec3(1.0);\n}", [{"name":"uResolution","type":"vec2"},{"name":"uTime","type":"float"}], [{"name":"position","type":"vec2"}])(gl); - var geom = createGeom(gl).attr("aPosition", voxels.positions).attr("aCentroid", voxels.centroids).attr("aNormal", voxels.normals).attr("aEdge", voxels.edges); - camera.distance = 1.5; - heightmap.color[0].wrap = gl.CLAMP_TO_EDGE; - heightmap.color[0].minFilter = gl.NEAREST; - heightmap.color[0].maxFilter = gl.NEAREST; - mat4.translate(model, model, [-0.5, 0, -0.5]); - window.addEventListener("resize", debounce(fit(canvas)), false); - - function render() { - var width = canvas.width; - var height = canvas.height; - - if (window.scrollY > height) - return; - - var now = getTime() * TIMESCALE; - heightmap.bind(); - gl.viewport(0, 0, SIZE, SIZE); - gl.disable(gl.DEPTH_TEST); - gl.disable(gl.CULL_FACE); - heightShader.bind(); - heightShader.uniforms.uTime = now; - heightShader.uniforms.uResolution = RES; - triangle(gl); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - gl.viewport(0, 0, width, height); - gl.enable(gl.DEPTH_TEST); - gl.enable(gl.CULL_FACE); - clear(gl); - mat4.perspective(projection, Math.PI / 4, width / height, 0.001, 100); - quat.identity(camera.rotation); - quat.rotateY(camera.rotation, camera.rotation, now * 0.0002); - quat.rotateX(camera.rotation, camera.rotation, -0.5); - camera.view(view); - quat.identity(camera.rotation); - quat.rotateY(camera.rotation, camera.rotation, now * 0.0002); - geom.bind(shader); - shader.uniforms.uResolution = RES; - shader.uniforms.uViewRotation = mat4.fromQuat(viewrot, camera.rotation); - shader.uniforms.uProjection = projection; - shader.uniforms.uModel = model; - shader.uniforms.uView = view; - shader.uniforms.tHeightmap = heightmap.color[0].bind(0); - shader.uniforms.tGradient = gradient.bind(1); - geom.draw(); - geom.unbind(); - } -}; - -function createMesh() { - var voxels = qbqb(SIZE, 1, SIZE); - var positions = unindex(combine(voxels)); - var edges = unindex(combine(getEdges(voxels))); - var centroids = unindex(combine(getCentroids(voxels))); - - return { - positions: positions, - centroids: centroids, - normals: normals(positions), - edges: edges - }; -} - -function getCentroids(meshes) { - return meshes.map(function(mesh) { - mesh = clone(mesh); - - for (var i = 0; i < mesh.positions.length; i++) { - mesh.positions[i] = mesh.centroid; - } - - return mesh; - }); -} - -function getEdges(meshes) { - return meshes.map(function(mesh) { - mesh = clone(mesh); - var idx = mesh.index; - - for (var i = 0; i < mesh.positions.length; i++) { - var pos = mesh.positions[i]; - mesh.positions[i] = mesh.positions[i].slice(); - mesh.positions[i][0] = (pos[0] * SIZE - idx[0] - 0.5) * 2; - mesh.positions[i][2] = (pos[2] * SIZE - idx[2] - 0.5) * 2; - mesh.positions[i][1] = (pos[1] - idx[1] - 0.5) * 2; - } - - return mesh; - }); -} -},{"./gradient-map":6,"a-big-triangle":24,"canvas-fit":25,"clone":27,"cube-cube":28,"face-normals":31,"frame-debounce":32,"gl-clear":37,"gl-context":38,"gl-fbo":40,"gl-geometry":43,"gl-matrix":68,"gl-texture2d":81,"glslify":83,"glslify/adapter.js":82,"mesh-combine":89,"orbit-camera":96,"right-now":97,"unindex-mesh":98}],8:[function(require,module,exports){ -"use strict" - -var pool = require("typedarray-pool") -var ops = require("ndarray-ops") -var ndarray = require("ndarray") - -function GLBuffer(gl, type, handle, length, usage) { - this.gl = gl - this.type = type - this.handle = handle - this.length = length - this.usage = usage -} - -GLBuffer.prototype.bind = function() { - this.gl.bindBuffer(this.type, this.handle) -} - -GLBuffer.prototype.dispose = function() { - this.gl.deleteBuffer(this.handle) -} - -function updateTypeArray(gl, type, len, usage, data, offset) { - if(offset <= 0 && data.length > len) { - gl.bufferData(type, data, usage) - return data.length - } - if(data.length + offset > len) { - throw new Error("gl-buffer: If resizing buffer, offset must be 0") - } - gl.bufferSubData(type, offset, data) - return len -} - -function makeScratchTypeArray(array, dtype) { - var res = pool.malloc(array.length, dtype) - var n = array.length - for(var i=0; i 0) { - throw new Error("gl-buffer: Cannot specify offset when resizing buffer") - } - this.gl.bufferData(this.type, array, this.usage) - this.length = array - } else if(array.shape) { - var dtype = array.dtype - if(dtype === "float64" || dtype === "array" || dtype === "generic") { - dtype = "float32" - } - if(this.type === this.gl.ELEMENT_ARRAY_BUFFER) { - dtype = "uint16" - } - if(array.shape.length !== 1) { - throw new Error("gl-buffer: Array length must be 1") - } - if(dtype === array.dtype && array.stride[0] === 1) { - if(array.offset === 0 && array.data.length === array.shape[0]) { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array.data, offset) - } else { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array.data.subarray(array.offset, array.shape[0]), offset) - } - } else { - var tmp = pool.malloc(array.shape[0], dtype) - var ndt = ndarray(tmp) - ops.assign(ndt, array) - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, tmp, offset) - pool.free(tmp) - } - } else if(Array.isArray(array)) { - if(this.type === this.gl.ELEMENT_ARRAY_BUFFER) { - var t = makeScratchTypeArray(array, "uint16") - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, t.subarray(0, array.length), offset) - pool.freeUint16(t) - } else { - var t = makeScratchTypeArray(array, "float32") - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, t.subarray(0, array.length), offset) - pool.freeFloat32(t) - } - } else { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array, offset) - } -} - -GLBuffer.prototype.draw = function(mode, count, offset) { - offset = offset || 0 - var gl = this.gl - if(this.type === gl.ARRAY_BUFFER) { - gl.drawArrays(mode, offset, count) - } else if(this.type === gl.ELEMENT_ARRAY_BUFFER) { - this.bind() - gl.drawElements(mode, count, gl.UNSIGNED_SHORT, offset) - } else { - throw new Error("Invalid type for WebGL buffer") - } -} - -function createBuffer(gl, type, data, usage) { - if(data === undefined) { - data = type - type = gl.ARRAY_BUFFER - } - if(!usage) { - usage = gl.DYNAMIC_DRAW - } - var len = 0 - var handle = gl.createBuffer() - gl.bindBuffer(type, handle) - if(typeof data === "number") { - gl.bufferData(type, data, usage) - len = data - } else if(data instanceof Array) { - if(type === gl.ELEMENT_ARRAY_BUFFER) { - gl.bufferData(type, new Uint16Array(data), usage) - } else { - gl.bufferData(type, new Float32Array(data), usage) - } - len = data.length - } else if(data.length) { - gl.bufferData(type, data, usage) - len = data.length - } else if(data.shape) { - var dtype = data.dtype - if(dtype === "float64" || dtype === "array" || dtype === "generic") { - dtype = "float32" - } - if(type === gl.ELEMENT_ARRAY_BUFFER) { - dtype = "uint16" - } - if(data.shape.length !== 1) { - throw new Error("gl-buffer: Array shape must be 1D") - } - var len = data.shape[0] - if(dtype === data.type && data.stride[0] === 1) { - gl.bufferData(type, data.data.subarray(data.offset, data.offset+len), usage) - } else { - var tmp = pool.malloc(data.shape[0], dtype) - var ndt = ndarray(tmp) - ops.assign(ndt, data) - gl.bufferData(type, tmp, usage) - pool.free(tmp) - } - } else { - throw new Error("gl-buffer: Invalid format for buffer data") - } - if(type !== gl.ARRAY_BUFFER && type !== gl.ELEMENT_ARRAY_BUFFER) { - throw new Error("gl-buffer: Invalid type for webgl buffer") - } - if(usage !== gl.DYNAMIC_DRAW && usage !== gl.STATIC_DRAW && usage !== gl.STREAM_DRAW) { - throw new Error("gl-buffer: Invalid usage for buffer") - } - return new GLBuffer(gl, type, handle, len, usage) -} - -module.exports = createBuffer -},{"ndarray":14,"ndarray-ops":9,"typedarray-pool":18}],9:[function(require,module,exports){ -"use strict" - -var compile = require("cwise-compiler") - -var EmptyProc = { - body: "", - args: [], - thisVars: [], - localVars: [] -} - -function fixup(x) { - if(!x) { - return EmptyProc - } - for(var i=0; i>", - rrshift: ">>>" -} -;(function(){ - for(var id in assign_ops) { - var op = assign_ops[id] - exports[id] = makeOp({ - args: ["array","array","array"], - body: {args:["a","b","c"], - body: "a=b"+op+"c"}, - funcName: id - }) - exports[id+"eq"] = makeOp({ - args: ["array","array"], - body: {args:["a","b"], - body:"a"+op+"=b"}, - rvalue: true, - funcName: id+"eq" - }) - exports[id+"s"] = makeOp({ - args: ["array", "array", "scalar"], - body: {args:["a","b","s"], - body:"a=b"+op+"s"}, - funcName: id+"s" - }) - exports[id+"seq"] = makeOp({ - args: ["array","scalar"], - body: {args:["a","s"], - body:"a"+op+"=s"}, - rvalue: true, - funcName: id+"seq" - }) - } -})(); - -var unary_ops = { - not: "!", - bnot: "~", - neg: "-", - recip: "1.0/" -} -;(function(){ - for(var id in unary_ops) { - var op = unary_ops[id] - exports[id] = makeOp({ - args: ["array", "array"], - body: {args:["a","b"], - body:"a="+op+"b"}, - funcName: id - }) - exports[id+"eq"] = makeOp({ - args: ["array"], - body: {args:["a"], - body:"a="+op+"a"}, - rvalue: true, - count: 2, - funcName: id+"eq" - }) - } -})(); - -var binary_ops = { - and: "&&", - or: "||", - eq: "===", - neq: "!==", - lt: "<", - gt: ">", - leq: "<=", - geq: ">=" -} -;(function() { - for(var id in binary_ops) { - var op = binary_ops[id] - exports[id] = makeOp({ - args: ["array","array","array"], - body: {args:["a", "b", "c"], - body:"a=b"+op+"c"}, - funcName: id - }) - exports[id+"s"] = makeOp({ - args: ["array","array","scalar"], - body: {args:["a", "b", "s"], - body:"a=b"+op+"s"}, - funcName: id+"s" - }) - exports[id+"eq"] = makeOp({ - args: ["array", "array"], - body: {args:["a", "b"], - body:"a=a"+op+"b"}, - rvalue:true, - count:2, - funcName: id+"eq" - }) - exports[id+"seq"] = makeOp({ - args: ["array", "scalar"], - body: {args:["a","s"], - body:"a=a"+op+"s"}, - rvalue:true, - count:2, - funcName: id+"seq" - }) - } -})(); - -var math_unary = [ - "abs", - "acos", - "asin", - "atan", - "ceil", - "cos", - "exp", - "floor", - "log", - "round", - "sin", - "sqrt", - "tan" -] -;(function() { - for(var i=0; ithis_s){this_s=-a}else if(a>this_s){this_s=a}", localVars: [], thisVars: ["this_s"]}, - post: {args:[], localVars:[], thisVars:["this_s"], body:"return this_s"}, - funcName: "norminf" -}) - -exports.norm1 = compile({ - args:["array"], - pre: {args:[], localVars:[], thisVars:["this_s"], body:"this_s=0"}, - body: {args:[{name:"a", lvalue:false, rvalue:true, count:3}], body: "this_s+=a<0?-a:a", localVars: [], thisVars: ["this_s"]}, - post: {args:[], localVars:[], thisVars:["this_s"], body:"return this_s"}, - funcName: "norm1" -}) - -exports.sup = compile({ - args: [ "array" ], - pre: - { body: "this_h=-Infinity", - args: [], - thisVars: [ "this_h" ], - localVars: [] }, - body: - { body: "if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_", - args: [{"name":"_inline_1_arg0_","lvalue":false,"rvalue":true,"count":2} ], - thisVars: [ "this_h" ], - localVars: [] }, - post: - { body: "return this_h", - args: [], - thisVars: [ "this_h" ], - localVars: [] } - }) - -exports.inf = compile({ - args: [ "array" ], - pre: - { body: "this_h=Infinity", - args: [], - thisVars: [ "this_h" ], - localVars: [] }, - body: - { body: "if(_inline_1_arg0_this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}", - args:[ - {name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}, - {name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}], - thisVars:["this_i","this_v"], - localVars:["_inline_1_k"]}, - post:{ - body:"{return this_i}", - args:[], - thisVars:["this_i"], - localVars:[]} -}) - -exports.random = makeOp({ - args: ["array"], - pre: {args:[], body:"this_f=Math.random", thisVars:["this_f"]}, - body: {args: ["a"], body:"a=this_f()", thisVars:["this_f"]}, - funcName: "random" -}) - -exports.assign = makeOp({ - args:["array", "array"], - body: {args:["a", "b"], body:"a=b"}, - funcName: "assign" }) - -exports.assigns = makeOp({ - args:["array", "scalar"], - body: {args:["a", "b"], body:"a=b"}, - funcName: "assigns" }) - - -exports.equals = compile({ - args:["array", "array"], - pre: EmptyProc, - body: {args:[{name:"x", lvalue:false, rvalue:true, count:1}, - {name:"y", lvalue:false, rvalue:true, count:1}], - body: "if(x!==y){return false}", - localVars: [], - thisVars: []}, - post: {args:[], localVars:[], thisVars:[], body:"return true"}, - funcName: "equals" -}) - - - -},{"cwise-compiler":10}],10:[function(require,module,exports){ -"use strict" - -var createThunk = require("./lib/thunk.js") - -function Procedure() { - this.argTypes = [] - this.shimArgs = [] - this.arrayArgs = [] - this.scalarArgs = [] - this.offsetArgs = [] - this.offsetArgIndex = [] - this.indexArgs = [] - this.shapeArgs = [] - this.funcName = "" - this.pre = null - this.body = null - this.post = null - this.debug = false -} - -function compileCwise(user_args) { - //Create procedure - var proc = new Procedure() - - //Parse blocks - proc.pre = user_args.pre - proc.body = user_args.body - proc.post = user_args.post - - //Parse arguments - var proc_args = user_args.args.slice(0) - proc.argTypes = proc_args - for(var i=0; i0) { - throw new Error("cwise: pre() block may not reference array args") - } - if(i < proc.post.args.length && proc.post.args[i].count>0) { - throw new Error("cwise: post() block may not reference array args") - } - } else if(arg_type === "scalar") { - proc.scalarArgs.push(i) - proc.shimArgs.push("scalar" + i) - } else if(arg_type === "index") { - proc.indexArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { - throw new Error("cwise: pre() block may not reference array index") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array index") - } - if(i < proc.post.args.length && proc.post.args[i].count > 0) { - throw new Error("cwise: post() block may not reference array index") - } - } else if(arg_type === "shape") { - proc.shapeArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { - throw new Error("cwise: pre() block may not write to array shape") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array shape") - } - if(i < proc.post.args.length && proc.post.args[i].lvalue) { - throw new Error("cwise: post() block may not write to array shape") - } - } else if(typeof arg_type === "object" && arg_type.offset) { - proc.argTypes[i] = "offset" - proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) - proc.offsetArgIndex.push(i) - } else { - throw new Error("cwise: Unknown argument type " + proc_args[i]) - } - } - - //Make sure at least one array argument was specified - if(proc.arrayArgs.length <= 0) { - throw new Error("cwise: No array arguments specified") - } - - //Make sure arguments are correct - if(proc.pre.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in pre() block") - } - if(proc.body.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in body() block") - } - if(proc.post.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in post() block") - } - - //Check debug flag - proc.debug = !!user_args.printCode || !!user_args.debug - - //Retrieve name - proc.funcName = user_args.funcName || "cwise" - - //Read in block size - proc.blockSize = user_args.blockSize || 64 - - return createThunk(proc) -} - -module.exports = compileCwise - -},{"./lib/thunk.js":12}],11:[function(require,module,exports){ -"use strict" - -var uniq = require("uniq") - -function innerFill(order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , has_index = proc.indexArgs.length>0 - , code = [] - , vars = [] - , idx=0, pidx=0, i, j - for(i=0; i=0; --i) { - idx = order[i] - code.push(["for(i",i,"=0;i",i," 0) { - code.push(["index[",pidx,"]-=s",pidx].join("")) - } - code.push(["++index[",idx,"]"].join("")) - } - code.push("}") - } - return code.join("\n") -} - -function outerFill(matched, order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , blockSize = proc.blockSize - , has_index = proc.indexArgs.length > 0 - , code = [] - for(var i=0; i0;){"].join("")) - code.push(["if(j",i,"<",blockSize,"){"].join("")) - code.push(["s",order[i],"=j",i].join("")) - code.push(["j",i,"=0"].join("")) - code.push(["}else{s",order[i],"=",blockSize].join("")) - code.push(["j",i,"-=",blockSize,"}"].join("")) - if(has_index) { - code.push(["index[",order[i],"]=j",i].join("")) - } - } - for(var i=0; i 0) { - allEqual = allEqual && summary[i] === summary[i-1] - } - } - if(allEqual) { - return summary[0] - } - return summary.join("") -} - -//Generates a cwise operator -function generateCWiseOp(proc, typesig) { - - //Compute dimension - var dimension = typesig[1].length|0 - var orders = new Array(proc.arrayArgs.length) - var dtypes = new Array(proc.arrayArgs.length) - - //First create arguments for procedure - var arglist = ["SS"] - var code = ["'use strict'"] - var vars = [] - - for(var j=0; j 0) { - vars.push("shape=SS.slice(0)") - } - if(proc.indexArgs.length > 0) { - var zeros = new Array(dimension) - for(var i=0; i 3) { - code.push(processBlock(proc.pre, proc, dtypes)) - } - - //Process body - var body = processBlock(proc.body, proc, dtypes) - var matched = countMatches(orders) - if(matched < dimension) { - code.push(outerFill(matched, orders[0], proc, body)) - } else { - code.push(innerFill(orders[0], proc, body)) - } - - //Inline epilog - if(proc.post.body.length > 3) { - code.push(processBlock(proc.post, proc, dtypes)) - } - - if(proc.debug) { - console.log("Generated cwise routine for ", typesig, ":\n\n", code.join("\n")) - } - - var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") - var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) - return f() -} -module.exports = generateCWiseOp -},{"uniq":13}],12:[function(require,module,exports){ -"use strict" - -var compile = require("./compile.js") - -function createThunk(proc) { - var code = ["'use strict'", "var CACHED={}"] - var vars = [] - var thunkName = proc.funcName + "_cwise_thunk" - - //Build thunk - code.push(["return function ", thunkName, "(", proc.shimArgs.join(","), "){"].join("")) - var typesig = [] - var string_typesig = [] - var proc_args = [["array",proc.arrayArgs[0],".shape"].join("")] - for(var i=0; iMath.abs(this._stride1))?[1,0]:[0,1]}})") - } else if(dimension === 3) { - code.push( -"var s0=Math.abs(this._stride0),s1=Math.abs(this._stride1),s2=Math.abs(this._stride2);\ -if(s0>s1){\ -if(s1>s2){\ -return [2,1,0];\ -}else if(s0>s2){\ -return [1,2,0];\ -}else{\ -return [1,0,2];\ -}\ -}else if(s0>s2){\ -return [2,0,1];\ -}else if(s2>s1){\ -return [0,1,2];\ -}else{\ -return [0,2,1];\ -}}})") - } - } else { - code.push("ORDER})") - } - } - - //view.set(i0, ..., v): - code.push( -"proto.set=function "+className+"_set("+args.join(",")+",v){") - if(useGetters) { - code.push("return this.data.set("+index_str+",v)}") - } else { - code.push("return this.data["+index_str+"]=v}") - } - - //view.get(i0, ...): - code.push("proto.get=function "+className+"_get("+args.join(",")+"){") - if(useGetters) { - code.push("return this.data.get("+index_str+")}") - } else { - code.push("return this.data["+index_str+"]}") - } - - //view.index: - code.push( - "proto.index=function "+className+"_index(", args.join(), "){return "+index_str+"}") - - //view.hi(): - code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+ - indices.map(function(i) { - return ["(typeof i",i,"!=='number'||i",i,"<0)?this._shape", i, ":i", i,"|0"].join("") - }).join(",")+","+ - indices.map(function(i) { - return "this._stride"+i - }).join(",")+",this.offset)}") - - //view.lo(): - var a_vars = indices.map(function(i) { return "a"+i+"=this._shape"+i }) - var c_vars = indices.map(function(i) { return "c"+i+"=this._stride"+i }) - code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(",")) - for(var i=0; i=0){\ -d=i"+i+"|0;\ -b+=c"+i+"*d;\ -a"+i+"-=d}") - } - code.push("return new "+className+"(this.data,"+ - indices.map(function(i) { - return "a"+i - }).join(",")+","+ - indices.map(function(i) { - return "c"+i - }).join(",")+",b)}") - - //view.step(): - code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+ - indices.map(function(i) { - return "a"+i+"=this._shape"+i - }).join(",")+","+ - indices.map(function(i) { - return "b"+i+"=this._stride"+i - }).join(",")+",c=this.offset,d=0,ceil=Math.ceil") - for(var i=0; i=0){c=(c+this._stride"+i+"*i"+i+")|0}else{a.push(this._shape"+i+");b.push(this._stride"+i+")}") - } - code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}") - - //Add return statement - code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+ - indices.map(function(i) { - return "shape["+i+"]" - }).join(",")+","+ - indices.map(function(i) { - return "stride["+i+"]" - }).join(",")+",offset)}") - - //Compile procedure - var procedure = new Function("CTOR_LIST", "ORDER", code.join("\n")) - return procedure(CACHED_CONSTRUCTORS[dtype], order) -} - -function arrayDType(data) { - if(hasBuffer) { - if(Buffer.isBuffer(data)) { - return "buffer" - } - } - if(hasTypedArrays) { - switch(Object.prototype.toString.call(data)) { - case "[object Float64Array]": - return "float64" - case "[object Float32Array]": - return "float32" - case "[object Int8Array]": - return "int8" - case "[object Int16Array]": - return "int16" - case "[object Int32Array]": - return "int32" - case "[object Uint8Array]": - return "uint8" - case "[object Uint16Array]": - return "uint16" - case "[object Uint32Array]": - return "uint32" - case "[object Uint8ClampedArray]": - return "uint8_clamped" - } - } - if(Array.isArray(data)) { - return "array" - } - return "generic" -} - -var CACHED_CONSTRUCTORS = { - "float32":[], - "float64":[], - "int8":[], - "int16":[], - "int32":[], - "uint8":[], - "uint16":[], - "uint32":[], - "array":[], - "uint8_clamped":[], - "buffer":[], - "generic":[] -} - -;(function() { - for(var id in CACHED_CONSTRUCTORS) { - CACHED_CONSTRUCTORS[id].push(compileConstructor(id, -1)) - } -}); - -function wrappedNDArrayCtor(data, shape, stride, offset) { - if(data === undefined) { - var ctor = CACHED_CONSTRUCTORS.array[0] - return ctor([]) - } else if(typeof data === "number") { - data = [data] - } - if(shape === undefined) { - shape = [ data.length ] - } - var d = shape.length - if(stride === undefined) { - stride = new Array(d) - for(var i=d-1, sz=1; i>=0; --i) { - stride[i] = sz - sz *= shape[i] - } - } - if(offset === undefined) { - offset = 0 - for(var i=0; i 0) - (v < 0); -} - -//Computes absolute value of integer -exports.abs = function(v) { - var mask = v >> (INT_BITS-1); - return (v ^ mask) - mask; -} - -//Computes minimum of integers x and y -exports.min = function(x, y) { - return y ^ ((x ^ y) & -(x < y)); -} - -//Computes maximum of integers x and y -exports.max = function(x, y) { - return x ^ ((x ^ y) & -(x < y)); -} - -//Checks if a number is a power of two -exports.isPow2 = function(v) { - return !(v & (v-1)) && (!!v); -} - -//Computes log base 2 of v -exports.log2 = function(v) { - var r, shift; - r = (v > 0xFFFF) << 4; v >>>= r; - shift = (v > 0xFF ) << 3; v >>>= shift; r |= shift; - shift = (v > 0xF ) << 2; v >>>= shift; r |= shift; - shift = (v > 0x3 ) << 1; v >>>= shift; r |= shift; - return r | (v >> 1); -} - -//Computes log base 10 of v -exports.log10 = function(v) { - return (v >= 1000000000) ? 9 : (v >= 100000000) ? 8 : (v >= 10000000) ? 7 : - (v >= 1000000) ? 6 : (v >= 100000) ? 5 : (v >= 10000) ? 4 : - (v >= 1000) ? 3 : (v >= 100) ? 2 : (v >= 10) ? 1 : 0; -} - -//Counts number of bits -exports.popCount = function(v) { - v = v - ((v >>> 1) & 0x55555555); - v = (v & 0x33333333) + ((v >>> 2) & 0x33333333); - return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24; -} - -//Counts number of trailing zeros -function countTrailingZeros(v) { - var c = 32; - v &= -v; - if (v) c--; - if (v & 0x0000FFFF) c -= 16; - if (v & 0x00FF00FF) c -= 8; - if (v & 0x0F0F0F0F) c -= 4; - if (v & 0x33333333) c -= 2; - if (v & 0x55555555) c -= 1; - return c; -} -exports.countTrailingZeros = countTrailingZeros; - -//Rounds to next power of 2 -exports.nextPow2 = function(v) { - v += v === 0; - --v; - v |= v >>> 1; - v |= v >>> 2; - v |= v >>> 4; - v |= v >>> 8; - v |= v >>> 16; - return v + 1; -} - -//Rounds down to previous power of 2 -exports.prevPow2 = function(v) { - v |= v >>> 1; - v |= v >>> 2; - v |= v >>> 4; - v |= v >>> 8; - v |= v >>> 16; - return v - (v>>>1); -} - -//Computes parity of word -exports.parity = function(v) { - v ^= v >>> 16; - v ^= v >>> 8; - v ^= v >>> 4; - v &= 0xf; - return (0x6996 >>> v) & 1; -} - -var REVERSE_TABLE = new Array(256); - -(function(tab) { - for(var i=0; i<256; ++i) { - var v = i, r = i, s = 7; - for (v >>>= 1; v; v >>>= 1) { - r <<= 1; - r |= v & 1; - --s; - } - tab[i] = (r << s) & 0xff; - } -})(REVERSE_TABLE); - -//Reverse bits in a 32 bit word -exports.reverse = function(v) { - return (REVERSE_TABLE[ v & 0xff] << 24) | - (REVERSE_TABLE[(v >>> 8) & 0xff] << 16) | - (REVERSE_TABLE[(v >>> 16) & 0xff] << 8) | - REVERSE_TABLE[(v >>> 24) & 0xff]; -} - -//Interleave bits of 2 coordinates with 16 bits. Useful for fast quadtree codes -exports.interleave2 = function(x, y) { - x &= 0xFFFF; - x = (x | (x << 8)) & 0x00FF00FF; - x = (x | (x << 4)) & 0x0F0F0F0F; - x = (x | (x << 2)) & 0x33333333; - x = (x | (x << 1)) & 0x55555555; - - y &= 0xFFFF; - y = (y | (y << 8)) & 0x00FF00FF; - y = (y | (y << 4)) & 0x0F0F0F0F; - y = (y | (y << 2)) & 0x33333333; - y = (y | (y << 1)) & 0x55555555; - - return x | (y << 1); -} - -//Extracts the nth interleaved component -exports.deinterleave2 = function(v, n) { - v = (v >>> n) & 0x55555555; - v = (v | (v >>> 1)) & 0x33333333; - v = (v | (v >>> 2)) & 0x0F0F0F0F; - v = (v | (v >>> 4)) & 0x00FF00FF; - v = (v | (v >>> 16)) & 0x000FFFF; - return (v << 16) >> 16; -} - - -//Interleave bits of 3 coordinates, each with 10 bits. Useful for fast octree codes -exports.interleave3 = function(x, y, z) { - x &= 0x3FF; - x = (x | (x<<16)) & 4278190335; - x = (x | (x<<8)) & 251719695; - x = (x | (x<<4)) & 3272356035; - x = (x | (x<<2)) & 1227133513; - - y &= 0x3FF; - y = (y | (y<<16)) & 4278190335; - y = (y | (y<<8)) & 251719695; - y = (y | (y<<4)) & 3272356035; - y = (y | (y<<2)) & 1227133513; - x |= (y << 1); - - z &= 0x3FF; - z = (z | (z<<16)) & 4278190335; - z = (z | (z<<8)) & 251719695; - z = (z | (z<<4)) & 3272356035; - z = (z | (z<<2)) & 1227133513; - - return x | (z << 2); -} - -//Extracts nth interleaved component of a 3-tuple -exports.deinterleave3 = function(v, n) { - v = (v >>> n) & 1227133513; - v = (v | (v>>>2)) & 3272356035; - v = (v | (v>>>4)) & 251719695; - v = (v | (v>>>8)) & 4278190335; - v = (v | (v>>>16)) & 0x3FF; - return (v<<22)>>22; -} - -//Computes next combination in colexicographic order (this is mistakenly called nextPermutation on the bit twiddling hacks page) -exports.nextCombination = function(v) { - var t = v | (v - 1); - return (t + 1) | (((~t & -~t) - 1) >>> (countTrailingZeros(v) + 1)); -} - - -},{}],17:[function(require,module,exports){ -"use strict" - -function dupe_array(count, value, i) { - var c = count[i]|0 - if(c <= 0) { - return [] - } - var result = new Array(c), j - if(i === count.length-1) { - for(j=0; j 0) { - return dupe_number(count|0, value) - } - break - case "object": - if(typeof (count.length) === "number") { - return dupe_array(count, value, 0) - } - break - } - return [] -} - -module.exports = dupe -},{}],18:[function(require,module,exports){ -(function (global){ -"use strict" - -var bits = require("bit-twiddle") -var dup = require("dup") -if(!global.__TYPEDARRAY_POOL) { - global.__TYPEDARRAY_POOL = { - UINT8 : dup([32, 0]) - , UINT16 : dup([32, 0]) - , UINT32 : dup([32, 0]) - , INT8 : dup([32, 0]) - , INT16 : dup([32, 0]) - , INT32 : dup([32, 0]) - , FLOAT : dup([32, 0]) - , DOUBLE : dup([32, 0]) - , DATA : dup([32, 0]) - } -} -var POOL = global.__TYPEDARRAY_POOL -var UINT8 = POOL.UINT8 - , UINT16 = POOL.UINT16 - , UINT32 = POOL.UINT32 - , INT8 = POOL.INT8 - , INT16 = POOL.INT16 - , INT32 = POOL.INT32 - , FLOAT = POOL.FLOAT - , DOUBLE = POOL.DOUBLE - , DATA = POOL.DATA - -exports.free = function free(array) { - if(array instanceof ArrayBuffer) { - var n = array.byteLength|0 - , log_n = bits.log2(n) - DATA[log_n].push(array) - } else { - var n = array.length|0 - , log_n = bits.log2(n) - if(array instanceof Uint8Array) { - UINT8[log_n].push(array) - } else if(array instanceof Uint16Array) { - UINT16[log_n].push(array) - } else if(array instanceof Uint32Array) { - UINT32[log_n].push(array) - } else if(array instanceof Int8Array) { - INT8[log_n].push(array) - } else if(array instanceof Int16Array) { - INT16[log_n].push(array) - } else if(array instanceof Int32Array) { - INT32[log_n].push(array) - } else if(array instanceof Float32Array) { - FLOAT[log_n].push(array) - } else if(array instanceof Float64Array) { - DOUBLE[log_n].push(array) - } - } -} - -exports.freeUint8 = function freeUint8(array) { - UINT8[bits.log2(array.length)].push(array) -} - -exports.freeUint16 = function freeUint16(array) { - UINT16[bits.log2(array.length)].push(array) -} - -exports.freeUint32 = function freeUint32(array) { - UINT32[bits.log2(array.length)].push(array) -} - -exports.freeInt8 = function freeInt8(array) { - INT8[bits.log2(array.length)].push(array) -} - -exports.freeInt16 = function freeInt16(array) { - INT16[bits.log2(array.length)].push(array) -} - -exports.freeInt32 = function freeInt32(array) { - INT32[bits.log2(array.length)].push(array) -} - -exports.freeFloat32 = exports.freeFloat = function freeFloat(array) { - FLOAT[bits.log2(array.length)].push(array) -} - -exports.freeFloat64 = exports.freeDouble = function freeDouble(array) { - DOUBLE[bits.log2(array.length)].push(array) -} - -exports.freeArrayBuffer = function freeArrayBuffer(array) { - DATA[bits.log2(array.length)].push(array) -} - -exports.malloc = function malloc(n, dtype) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - if(dtype === undefined) { - var d = DATA[log_n] - if(d.length > 0) { - var r = d[d.length-1] - d.pop() - return r - } - return new ArrayBuffer(n) - } else { - switch(dtype) { - case "uint8": - var u8 = UINT8[log_n] - if(u8.length > 0) { - return u8.pop() - } - return new Uint8Array(n) - break - - case "uint16": - var u16 = UINT16[log_n] - if(u16.length > 0) { - return u16.pop() - } - return new Uint16Array(n) - break - - case "uint32": - var u32 = UINT32[log_n] - if(u32.length > 0) { - return u32.pop() - } - return new Uint32Array(n) - break - - case "int8": - var i8 = INT8[log_n] - if(i8.length > 0) { - return i8.pop() - } - return new Int8Array(n) - break - - case "int16": - var i16 = INT16[log_n] - if(i16.length > 0) { - return i16.pop() - } - return new Int16Array(n) - break - - case "int32": - var i32 = INT32[log_n] - if(i32.length > 0) { - return i32.pop() - } - return new Int32Array(n) - break - - case "float": - case "float32": - var f = FLOAT[log_n] - if(f.length > 0) { - return f.pop() - } - return new Float32Array(n) - break - - case "double": - case "float64": - var dd = DOUBLE[log_n] - if(dd.length > 0) { - return dd.pop() - } - return new Float64Array(n) - break - - default: - return null - } - } - return null -} - -exports.mallocUint8 = function mallocUint8(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT8[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint8Array(n) -} - -exports.mallocUint16 = function mallocUint16(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT16[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint16Array(n) -} - -exports.mallocUint32 = function mallocUint32(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT32[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint32Array(n) -} - -exports.mallocInt8 = function mallocInt8(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT8[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int8Array(n) -} - -exports.mallocInt16 = function mallocInt16(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT16[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int16Array(n) -} - -exports.mallocInt32 = function mallocInt32(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT32[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int32Array(n) -} - -exports.mallocFloat32 = exports.mallocFloat = function mallocFloat(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = FLOAT[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Float32Array(n) -} - -exports.mallocFloat64 = exports.mallocDouble = function mallocDouble(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = DOUBLE[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Float64Array(n) -} - -exports.mallocArrayBuffer = function mallocArrayBuffer(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = DATA[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new ArrayBuffer(n) -} - -exports.clearCache = function clearCache() { - for(var i=0; i<32; ++i) { - UINT8[i].length = 0 - UINT16[i].length = 0 - UINT32[i].length = 0 - INT8[i].length = 0 - INT16[i].length = 0 - INT32[i].length = 0 - FLOAT[i].length = 0 - DOUBLE[i].length = 0 - DATA[i].length = 0 - } -} - -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"bit-twiddle":16,"dup":17}],19:[function(require,module,exports){ -"use strict" - -function doBind(gl, elements, attributes) { - if(elements) { - elements.bind() - } else { - gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null) - } - var nattribs = gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0 - if(attributes) { - if(attributes.length > nattribs) { - throw new Error("Too many vertex attributes") - } - for(var i=0; i start) { - ret[len - start] = args[len]; - } - - return ret; -} - - -},{}],36:[function(require,module,exports){ -module.exports = defaults - -function defaults(opts) { - return { - color: array(opts.color, [0, 0, 0, 1]) - , depth: number(opts.depth, 1) - , stencil: number(opts.stencil, false) - } -} - -function number(n, def) { - return n === false - ? false - : typeof n === 'undefined' - ? def - : n + 0 -} - -function array(a, def) { - return a === false - ? false - : Array.isArray(a) - ? a || def - : def -} - -},{}],37:[function(require,module,exports){ -var defaults = require('./defaults') - -module.exports = clear - -function clear(opts) { - opts = defaults(opts || {}) - - var stencil = opts.stencil - var color = opts.color - var depth = opts.depth - - return function clear(gl) { - var flags = 0 - - if (color !== false) { - gl.clearColor(color[0], color[1], color[2], color[3]) - flags |= gl.COLOR_BUFFER_BIT - } - if (depth !== false) { - gl.clearDepth(depth) - flags |= gl.DEPTH_BUFFER_BIT - } - if (stencil !== false) { - gl.clearStencil(stencil) - flags |= gl.STENCIL_BUFFER_BIT - } - - gl.clear(flags) - - return gl - } -} - -},{"./defaults":36}],38:[function(require,module,exports){ -var raf = require('raf-component') - -module.exports = createContext - -function createContext(canvas, opts, render) { - if (typeof opts === 'function') { - render = opts - opts = {} - } else { - opts = opts || {} - } - - var gl = ( - canvas.getContext('webgl', opts) || - canvas.getContext('webgl-experimental', opts) - ) - - if (!gl) { - throw new Error('Unable to initialize WebGL') - } - - if (render) raf(tick) - - return gl - - function tick() { - render(gl) - raf(tick) - } -} - -},{"raf-component":39}],39:[function(require,module,exports){ -module.exports=require(33) -},{}],40:[function(require,module,exports){ -"use strict"; - -var webglew = require("webglew") -var createTexture = require("gl-texture2d") - -module.exports = createFBO - -var colorAttachmentArrays = null -var FRAMEBUFFER_UNSUPPORTED -var FRAMEBUFFER_INCOMPLETE_ATTACHMENT -var FRAMEBUFFER_INCOMPLETE_DIMENSIONS -var FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT - -function lazyInitColorAttachments(gl, ext) { - var maxColorAttachments = gl.getParameter(ext.MAX_COLOR_ATTACHMENTS_WEBGL); - colorAttachmentArrays = new Array(maxColorAttachments + 1) - for(var i=0; i<=maxColorAttachments; ++i) { - var x = new Array(maxColorAttachments) - for(var j=0; j 1) { - ext.drawBuffersWEBGL(colorAttachmentArrays[numColor]) - } - - //Allocate depth/stencil buffers - if(extensions.WEBGL_depth_texture) { - if(useStencil) { - fbo.depth = initTexture(gl, width, height, - extensions.WEBGL_depth_texture.UNSIGNED_INT_24_8_WEBGL, - gl.DEPTH_STENCIL, - gl.DEPTH_STENCIL_ATTACHMENT) - } else if(useDepth) { - fbo.depth = initTexture(gl, width, height, - gl.UNSIGNED_SHORT, - gl.DEPTH_COMPONENT, - gl.DEPTH_ATTACHMENT) - } - } else { - if(useDepth && useStencil) { - fbo._depth_rb = initRenderBuffer(gl, width, height, gl.DEPTH_STENCIL, gl.DEPTH_STENCIL_ATTACHMENT) - } else if(useDepth) { - fbo._depth_rb = initRenderBuffer(gl, width, height, gl.DEPTH_COMPONENT16, gl.DEPTH_ATTACHMENT) - } else if(useStencil) { - fbo._depth_rb = initRenderBuffer(gl, width, height, gl.STENCIL_INDEX, gl.STENCIL_ATTACHMENT) - } - } - - //Check frame buffer state - var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER) - if(status !== gl.FRAMEBUFFER_COMPLETE) { - - //Release all partially allocated resources - fbo._destroyed = true - - //Release all resources - gl.bindFramebuffer(gl.FRAMEBUFFER, null) - gl.deleteFramebuffer(fbo.handle) - fbo.handle = null - if(fbo.depth) { - fbo.depth.dispose() - fbo.depth = null - } - if(fbo._depth_rb) { - gl.deleteRenderbuffer(fbo._depth_rb) - fbo._depth_rb = null - } - for(var i=0; i maxFBOSize || - x[1] < 0 || x[1] > maxFBOSize) { - throw new Error("gl-fbo: Can't resize FBO, invalid dimensions") - } - - //Update shape - this._shape[0] = x[0]|0 - this._shape[1] = x[1]|0 - - //Resize framebuffer attachments - for(var i=0; i maxFBOSize || height < 0 || height > maxFBOSize) { - throw new Error("gl-fbo: Parameters are too large for FBO") - } - - //Handle each option type - options = options || {} - - //Figure out number of color buffers to use - var numColors = 1 - if("color" in options) { - numColors = Math.max(options.color|0, 0) - if(numColors < 0) { - throw new Error("gl-fbo: Must specify a nonnegative number of colors") - } - if(numColors > 1) { - //Check if multiple render targets supported - var mrtext = extensions.WEBGL_draw_buffers - if(!mrtext) { - throw new Error("gl-fbo: Multiple draw buffer extension not supported") - } else if(numColors > gl.getParameter(mrtext.MAX_COLOR_ATTACHMENTS_WEBGL)) { - throw new Error("gl-fbo: Context does not support " + numColors + " draw buffers") - } - } - } - - //Determine whether to use floating point textures - var colorType = gl.UNSIGNED_BYTE - if(options.float && numColors > 0) { - if(!extensions.OES_texture_float) { - throw new Error("gl-fbo: Context does not support floating point textures") - } - colorType = gl.FLOAT - } else if(options.preferFloat && numColors > 0) { - if(extensions.OES_texture_float) { - colorType = gl.FLOAT - } - } - - //Check if we should use depth buffer - var useDepth = true - if("depth" in options) { - useDepth = !!options.depth - } - - //Check if we should use a stencil buffer - var useStencil = false - if("stencil" in options) { - useStencil = !!options.stencil - } - - return new Framebuffer( - gl, - width, - height, - colorType, - numColors, - useDepth, - useStencil, - extensions.WEBGL_draw_buffers) -} -},{"gl-texture2d":81,"webglew":42}],41:[function(require,module,exports){ -/* (The MIT License) - * - * Copyright (c) 2012 Brandon Benvie - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and - * associated documentation files (the 'Software'), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, publish, distribute, - * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included with all copies or - * substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -// Original WeakMap implementation by Gozala @ https://gist.github.com/1269991 -// Updated and bugfixed by Raynos @ https://gist.github.com/1638059 -// Expanded by Benvie @ https://github.com/Benvie/harmony-collections - -void function(global, undefined_, undefined){ - var getProps = Object.getOwnPropertyNames, - defProp = Object.defineProperty, - toSource = Function.prototype.toString, - create = Object.create, - hasOwn = Object.prototype.hasOwnProperty, - funcName = /^\n?function\s?(\w*)?_?\(/; - - - function define(object, key, value){ - if (typeof key === 'function') { - value = key; - key = nameOf(value).replace(/_$/, ''); - } - return defProp(object, key, { configurable: true, writable: true, value: value }); - } - - function nameOf(func){ - return typeof func !== 'function' - ? '' : 'name' in func - ? func.name : toSource.call(func).match(funcName)[1]; - } - - // ############ - // ### Data ### - // ############ - - var Data = (function(){ - var dataDesc = { value: { writable: true, value: undefined } }, - datalock = 'return function(k){if(k===s)return l}', - uids = create(null), - - createUID = function(){ - var key = Math.random().toString(36).slice(2); - return key in uids ? createUID() : uids[key] = key; - }, - - globalID = createUID(), - - storage = function(obj){ - if (hasOwn.call(obj, globalID)) - return obj[globalID]; - - if (!Object.isExtensible(obj)) - throw new TypeError("Object must be extensible"); - - var store = create(null); - defProp(obj, globalID, { value: store }); - return store; - }; - - // common per-object storage area made visible by patching getOwnPropertyNames' - define(Object, function getOwnPropertyNames(obj){ - var props = getProps(obj); - if (hasOwn.call(obj, globalID)) - props.splice(props.indexOf(globalID), 1); - return props; - }); - - function Data(){ - var puid = createUID(), - secret = {}; - - this.unlock = function(obj){ - var store = storage(obj); - if (hasOwn.call(store, puid)) - return store[puid](secret); - - var data = create(null, dataDesc); - defProp(store, puid, { - value: new Function('s', 'l', datalock)(secret, data) - }); - return data; - } - } - - define(Data.prototype, function get(o){ return this.unlock(o).value }); - define(Data.prototype, function set(o, v){ this.unlock(o).value = v }); - - return Data; - }()); - - - var WM = (function(data){ - var validate = function(key){ - if (key == null || typeof key !== 'object' && typeof key !== 'function') - throw new TypeError("Invalid WeakMap key"); - } - - var wrap = function(collection, value){ - var store = data.unlock(collection); - if (store.value) - throw new TypeError("Object is already a WeakMap"); - store.value = value; - } - - var unwrap = function(collection){ - var storage = data.unlock(collection).value; - if (!storage) - throw new TypeError("WeakMap is not generic"); - return storage; - } - - var initialize = function(weakmap, iterable){ - if (iterable !== null && typeof iterable === 'object' && typeof iterable.forEach === 'function') { - iterable.forEach(function(item, i){ - if (item instanceof Array && item.length === 2) - set.call(weakmap, iterable[i][0], iterable[i][1]); - }); - } - } - - - function WeakMap(iterable){ - if (this === global || this == null || this === WeakMap.prototype) - return new WeakMap(iterable); - - wrap(this, new Data); - initialize(this, iterable); - } - - function get(key){ - validate(key); - var value = unwrap(this).get(key); - return value === undefined_ ? undefined : value; - } - - function set(key, value){ - validate(key); - // store a token for explicit undefined so that "has" works correctly - unwrap(this).set(key, value === undefined ? undefined_ : value); - } - - function has(key){ - validate(key); - return unwrap(this).get(key) !== undefined; - } - - function delete_(key){ - validate(key); - var data = unwrap(this), - had = data.get(key) !== undefined; - data.set(key, undefined); - return had; - } - - function toString(){ - unwrap(this); - return '[object WeakMap]'; - } - - try { - var src = ('return '+delete_).replace('e_', '\\u0065'), - del = new Function('unwrap', 'validate', src)(unwrap, validate); - } catch (e) { - var del = delete_; - } - - var src = (''+Object).split('Object'); - var stringifier = function toString(){ - return src[0] + nameOf(this) + src[1]; - }; - - define(stringifier, stringifier); - - var prep = { __proto__: [] } instanceof Array - ? function(f){ f.__proto__ = stringifier } - : function(f){ define(f, stringifier) }; - - prep(WeakMap); - - [toString, get, set, has, del].forEach(function(method){ - define(WeakMap.prototype, method); - prep(method); - }); - - return WeakMap; - }(new Data)); - - var defaultCreator = Object.create - ? function(){ return Object.create(null) } - : function(){ return {} }; - - function createStorage(creator){ - var weakmap = new WM; - creator || (creator = defaultCreator); - - function storage(object, value){ - if (value || arguments.length === 2) { - weakmap.set(object, value); - } else { - value = weakmap.get(object); - if (value === undefined) { - value = creator(object); - weakmap.set(object, value); - } - } - return value; - } - - return storage; - } - - - if (typeof module !== 'undefined') { - module.exports = WM; - } else if (typeof exports !== 'undefined') { - exports.WeakMap = WM; - } else if (!('WeakMap' in global)) { - global.WeakMap = WM; - } - - WM.createStorage = createStorage; - if (global.WeakMap) - global.WeakMap.createStorage = createStorage; -}((0, eval)('this')); - -},{}],42:[function(require,module,exports){ -"use strict"; - -var weakMap = typeof WeakMap === "undefined" ? require("weakmap") : WeakMap - -var WebGLEWStruct = new weakMap() - -function baseName(ext_name) { - return ext_name.replace(/^[A-Z]+_/, "") -} - -function initWebGLEW(gl) { - var struct = WebGLEWStruct.get(gl) - if(struct) { - return struct - } - var extensions = {} - var supported = gl.getSupportedExtensions() - for(var i=0; i len) { - throw new Error("gl-buffer: If resizing buffer, must not specify offset") - } - gl.bufferSubData(type, offset, data) - return len -} - -function makeScratchTypeArray(array, dtype) { - var res = pool.malloc(array.length, dtype) - var n = array.length - for(var i=0; i=0; --i) { - if(stride[i] !== n) { - return false - } - n *= shape[i] - } - return true -} - -proto.update = function(array, offset) { - if(typeof offset !== "number") { - offset = -1 - } - this.bind() - if(typeof array === "object" && typeof array.shape !== "undefined") { //ndarray - var dtype = array.dtype - if(SUPPORTED_TYPES.indexOf(dtype) < 0) { - dtype = "float32" - } - if(this.type === this.gl.ELEMENT_ARRAY_BUFFER) { - var wgl = webglew(gl) - var ext = wgl.OES_element_index_uint - if(ext && dtype !== "uint16") { - dtype = "uint32" - } else { - dtype = "uint16" - } - } - if(dtype === array.dtype && isPacked(array.shape, array.stride)) { - if(array.offset === 0 && array.data.length === array.shape[0]) { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array.data, offset) - } else { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array.data.subarray(array.offset, array.shape[0]), offset) - } - } else { - var tmp = pool.malloc(array.size, dtype) - var ndt = ndarray(tmp, array.shape) - ops.assign(ndt, array) - if(offset < 0) { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, tmp, offset) - } else { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, tmp.subarray(0, array.size), offset) - } - pool.free(tmp) - } - } else if(Array.isArray(array)) { //Vanilla array - var t - if(this.type === this.gl.ELEMENT_ARRAY_BUFFER) { - t = makeScratchTypeArray(array, "uint16") - } else { - t = makeScratchTypeArray(array, "float32") - } - if(offset < 0) { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, t, offset) - } else { - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, t.subarray(0, array.length), offset) - } - pool.free(t) - } else if(typeof array === "object" && typeof array.length === "number") { //Typed array - this.length = updateTypeArray(this.gl, this.type, this.length, this.usage, array, offset) - } else if(typeof array === "number" || array === undefined) { //Number/default - if(offset >= 0) { - throw new Error("gl-buffer: Cannot specify offset when resizing buffer") - } - array = array | 0 - if(array <= 0) { - array = 1 - } - this.gl.bufferData(this.type, array|0, this.usage) - this.length = array - } else { //Error, case should not happen - throw new Error("gl-buffer: Invalid data type") - } -} - -function createBuffer(gl, data, type, usage) { - webglew(gl) - type = type || gl.ARRAY_BUFFER - usage = usage || gl.DYNAMIC_DRAW - if(type !== gl.ARRAY_BUFFER && type !== gl.ELEMENT_ARRAY_BUFFER) { - throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER") - } - if(usage !== gl.DYNAMIC_DRAW && usage !== gl.STATIC_DRAW && usage !== gl.STREAM_DRAW) { - throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW") - } - var handle = gl.createBuffer() - var result = new GLBuffer(gl, type, handle, 0, usage) - result.update(data) - return result -} - -module.exports = createBuffer -},{"ndarray":52,"ndarray-ops":47,"typedarray-pool":56,"webglew":58}],47:[function(require,module,exports){ -arguments[4][9][0].apply(exports,arguments) -},{"cwise-compiler":48}],48:[function(require,module,exports){ -arguments[4][10][0].apply(exports,arguments) -},{"./lib/thunk.js":50}],49:[function(require,module,exports){ -arguments[4][11][0].apply(exports,arguments) -},{"uniq":51}],50:[function(require,module,exports){ -arguments[4][12][0].apply(exports,arguments) -},{"./compile.js":49}],51:[function(require,module,exports){ -module.exports=require(13) -},{}],52:[function(require,module,exports){ -arguments[4][14][0].apply(exports,arguments) -},{"buffer":106,"iota-array":53}],53:[function(require,module,exports){ -module.exports=require(15) -},{}],54:[function(require,module,exports){ -module.exports=require(16) -},{}],55:[function(require,module,exports){ -module.exports=require(17) -},{}],56:[function(require,module,exports){ -(function (global,Buffer){ -var bits = require("bit-twiddle") -var dup = require("dup") -if(!global.__TYPEDARRAY_POOL) { - global.__TYPEDARRAY_POOL = { - UINT8 : dup([32, 0]) - , UINT16 : dup([32, 0]) - , UINT32 : dup([32, 0]) - , INT8 : dup([32, 0]) - , INT16 : dup([32, 0]) - , INT32 : dup([32, 0]) - , FLOAT : dup([32, 0]) - , DOUBLE : dup([32, 0]) - , DATA : dup([32, 0]) - , UINT8C : dup([32, 0]) - , BUFFER : dup([32, 0]) - } -} -var hasUint8C = (typeof Uint8ClampedArray) !== "undefined" -var POOL = global.__TYPEDARRAY_POOL -if(!POOL.UINT8C) { - POOL.UINT8C = dup([32, 0]) -} -if(!POOL.BUFFER) { - POOL.BUFFER = dup([32, 0]) -} -var UINT8 = POOL.UINT8 - , UINT16 = POOL.UINT16 - , UINT32 = POOL.UINT32 - , INT8 = POOL.INT8 - , INT16 = POOL.INT16 - , INT32 = POOL.INT32 - , FLOAT = POOL.FLOAT - , DOUBLE = POOL.DOUBLE - , DATA = POOL.DATA - , UINT8C = POOL.UINT8C - , BUFFER = POOL.BUFFER - -exports.free = function free(array) { - var n = array.length|0 - , log_n = bits.log2(n) - if(Buffer.isBuffer(array)) { - BUFFER[log_n].push(array) - } else { - switch(Object.prototype.toString.call(array)) { - case "[object Uint8Array]": - UINT8[log_n].push(array) - break - case "[object Uint16Array]": - UINT16[log_n].push(array) - break - case "[object Uint32Array]": - UINT32[log_n].push(array) - break - case "[object Int8Array]": - INT8[log_n].push(array) - break - case "[object Int16Array]": - INT16[log_n].push(array) - break - case "[object Int32Array]": - INT32[log_n].push(array) - break - case "[object Uint8ClampedArray]": - UINT8C[log_n].push(array) - break - case "[object Float32Array]": - FLOAT[log_n].push(array) - break - case "[object Float64Array]": - DOUBLE[log_n].push(array) - break - case "[object ArrayBuffer]": - DATA[log_n].push(array) - break - default: - throw new Error("typedarray-pool: Unspecified array type") - } - } -} - -exports.freeUint8 = function freeUint8(array) { - UINT8[bits.log2(array.length)].push(array) -} - -exports.freeUint16 = function freeUint16(array) { - UINT16[bits.log2(array.length)].push(array) -} - -exports.freeUint32 = function freeUint32(array) { - UINT32[bits.log2(array.length)].push(array) -} - -exports.freeInt8 = function freeInt8(array) { - INT8[bits.log2(array.length)].push(array) -} - -exports.freeInt16 = function freeInt16(array) { - INT16[bits.log2(array.length)].push(array) -} - -exports.freeInt32 = function freeInt32(array) { - INT32[bits.log2(array.length)].push(array) -} - -exports.freeFloat32 = exports.freeFloat = function freeFloat(array) { - FLOAT[bits.log2(array.length)].push(array) -} - -exports.freeFloat64 = exports.freeDouble = function freeDouble(array) { - DOUBLE[bits.log2(array.length)].push(array) -} - -exports.freeArrayBuffer = function freeArrayBuffer(array) { - DATA[bits.log2(array.length)].push(array) -} - -if(hasUint8C) { - exports.freeUint8Clamped = function freeUint8Clamped(array) { - UINT8C[bits.log2(array.length)].push(array) - } -} else { - exports.freeUint8Clamped = exports.freeUint8 -} - -exports.freeBuffer = function freeBuffer(array) { - BUFFER[bits.log2(array.length)].push(array) -} - -exports.malloc = function malloc(n, dtype) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - if(dtype === undefined || dtype === "arraybuffer") { - var d = DATA[log_n] - if(d.length > 0) { - var r = d[d.length-1] - d.pop() - return r - } - return new ArrayBuffer(n) - } else { - switch(dtype) { - case "uint8": - var u8 = UINT8[log_n] - if(u8.length > 0) { - return u8.pop() - } - return new Uint8Array(n) - break - - case "uint16": - var u16 = UINT16[log_n] - if(u16.length > 0) { - return u16.pop() - } - return new Uint16Array(n) - break - - case "uint32": - var u32 = UINT32[log_n] - if(u32.length > 0) { - return u32.pop() - } - return new Uint32Array(n) - break - - case "int8": - var i8 = INT8[log_n] - if(i8.length > 0) { - return i8.pop() - } - return new Int8Array(n) - break - - case "int16": - var i16 = INT16[log_n] - if(i16.length > 0) { - return i16.pop() - } - return new Int16Array(n) - break - - case "int32": - var i32 = INT32[log_n] - if(i32.length > 0) { - return i32.pop() - } - return new Int32Array(n) - break - - case "float": - case "float32": - var f = FLOAT[log_n] - if(f.length > 0) { - return f.pop() - } - return new Float32Array(n) - break - - case "double": - case "float64": - var dd = DOUBLE[log_n] - if(dd.length > 0) { - return dd.pop() - } - return new Float64Array(n) - break - - case "uint8_clamped": - if(hasUint8C) { - var u8c = UINT8C[log_n] - if(u8c.length > 0) { - return u8c.pop() - } - return new Uint8ClampedArray(n) - } else { - var u8 = UINT8[log_n] - if(u8.length > 0) { - return u8.pop() - } - return new Uint8Array(n) - } - break - - case "buffer": - var buf = BUFFER[log_n] - if(buf.length > 0) { - return buf.pop() - } - return new Buffer(n) - break - - default: - return null - } - } - return null -} - -exports.mallocUint8 = function mallocUint8(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT8[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint8Array(n) -} - -exports.mallocUint16 = function mallocUint16(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT16[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint16Array(n) -} - -exports.mallocUint32 = function mallocUint32(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT32[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint32Array(n) -} - -exports.mallocInt8 = function mallocInt8(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT8[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int8Array(n) -} - -exports.mallocInt16 = function mallocInt16(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT16[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int16Array(n) -} - -exports.mallocInt32 = function mallocInt32(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = INT32[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Int32Array(n) -} - -exports.mallocFloat32 = exports.mallocFloat = function mallocFloat(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = FLOAT[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Float32Array(n) -} - -exports.mallocFloat64 = exports.mallocDouble = function mallocDouble(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = DOUBLE[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Float64Array(n) -} - -exports.mallocArrayBuffer = function mallocArrayBuffer(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = DATA[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new ArrayBuffer(n) -} - -if(hasUint8C) { - exports.mallocUint8Clamped = function mallocUint8Clamped(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = UINT8C[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Uint8ClampedArray(n) - } -} else { - exports.mallocUint8Clamped = exports.mallocUint8 -} - -exports.mallocBuffer = function mallocBuffer(n) { - n = bits.nextPow2(n) - var log_n = bits.log2(n) - var cache = BUFFER[log_n] - if(cache.length > 0) { - return cache.pop() - } - return new Buffer(n) -} - -exports.clearCache = function clearCache() { - for(var i=0; i<32; ++i) { - UINT8[i].length = 0 - UINT16[i].length = 0 - UINT32[i].length = 0 - INT8[i].length = 0 - INT16[i].length = 0 - INT32[i].length = 0 - FLOAT[i].length = 0 - DOUBLE[i].length = 0 - DATA[i].length = 0 - UINT8C[i].length = 0 - BUFFER[i].length = 0 - } -} -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer) -},{"bit-twiddle":54,"buffer":106,"dup":55}],57:[function(require,module,exports){ -module.exports=require(41) -},{}],58:[function(require,module,exports){ -module.exports=require(42) -},{"weakmap":57}],59:[function(require,module,exports){ -"use strict" - -function doBind(gl, elements, attributes) { - if(elements) { - elements.bind() - } else { - gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null) - } - var nattribs = gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0 - if(attributes) { - if(attributes.length > nattribs) { - throw new Error("gl-vao: Too many vertex attributes") - } - for(var i=0; i 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec2's - * - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {Number} dot product of a and b - */ -vec2.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1]; -}; - -/** - * Computes the cross product of two vec2's - * Note that the cross product must by definition produce a 3D vector - * - * @param {vec3} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {vec3} out - */ -vec2.cross = function(out, a, b) { - var z = a[0] * b[1] - a[1] * b[0]; - out[0] = out[1] = 0; - out[2] = z; - return out; -}; - -/** - * Performs a linear interpolation between two vec2's - * - * @param {vec2} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec2} out - */ -vec2.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - return out; -}; - -/** - * Transforms the vec2 with a mat2 - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y; - out[1] = m[1] * x + m[3] * y; - return out; -}; - -/** - * Transforms the vec2 with a mat2d - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2d} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2d = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y + m[4]; - out[1] = m[1] * x + m[3] * y + m[5]; - return out; -}; - -/** - * Transforms the vec2 with a mat3 - * 3rd vector component is implicitly '1' - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat3} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat3 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[3] * y + m[6]; - out[1] = m[1] * x + m[4] * y + m[7]; - return out; -}; - -/** - * Transforms the vec2 with a mat4 - * 3rd vector component is implicitly '0' - * 4th vector component is implicitly '1' - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat4 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[4] * y + m[12]; - out[1] = m[1] * x + m[5] * y + m[13]; - return out; -}; - -/** - * Perform some operation over an array of vec2s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec2.forEach = (function() { - var vec = vec2.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 2; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec2} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec2.str = function (a) { - return 'vec2(' + a[0] + ', ' + a[1] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec2 = vec2; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 3 Dimensional Vector - * @name vec3 - */ - -var vec3 = {}; - -/** - * Creates a new, empty vec3 - * - * @returns {vec3} a new 3D vector - */ -vec3.create = function() { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = 0; - out[1] = 0; - out[2] = 0; - return out; -}; - -/** - * Creates a new vec3 initialized with values from an existing vector - * - * @param {vec3} a vector to clone - * @returns {vec3} a new 3D vector - */ -vec3.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; - -/** - * Creates a new vec3 initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @returns {vec3} a new 3D vector - */ -vec3.fromValues = function(x, y, z) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; - -/** - * Copy the values from one vec3 to another - * - * @param {vec3} out the receiving vector - * @param {vec3} a the source vector - * @returns {vec3} out - */ -vec3.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; - -/** - * Set the components of a vec3 to the given values - * - * @param {vec3} out the receiving vector - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @returns {vec3} out - */ -vec3.set = function(out, x, y, z) { - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; - -/** - * Adds two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - return out; -}; - -/** - * Subtracts two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - return out; -}; - -/** - * Alias for {@link vec3.subtract} - * @function - */ -vec3.sub = vec3.subtract; - -/** - * Multiplies two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - return out; -}; - -/** - * Alias for {@link vec3.multiply} - * @function - */ -vec3.mul = vec3.multiply; - -/** - * Divides two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - return out; -}; - -/** - * Alias for {@link vec3.divide} - * @function - */ -vec3.div = vec3.divide; - -/** - * Returns the minimum of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - return out; -}; - -/** - * Returns the maximum of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - return out; -}; - -/** - * Scales a vec3 by a scalar number - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {vec3} out - */ -vec3.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - return out; -}; - -/** - * Calculates the euclidian distance between two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} distance between a and b - */ -vec3.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.distance} - * @function - */ -vec3.dist = vec3.distance; - -/** - * Calculates the squared euclidian distance between two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} squared distance between a and b - */ -vec3.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredDistance} - * @function - */ -vec3.sqrDist = vec3.squaredDistance; - -/** - * Calculates the length of a vec3 - * - * @param {vec3} a vector to calculate length of - * @returns {Number} length of a - */ -vec3.length = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.length} - * @function - */ -vec3.len = vec3.length; - -/** - * Calculates the squared length of a vec3 - * - * @param {vec3} a vector to calculate squared length of - * @returns {Number} squared length of a - */ -vec3.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredLength} - * @function - */ -vec3.sqrLen = vec3.squaredLength; - -/** - * Negates the components of a vec3 - * - * @param {vec3} out the receiving vector - * @param {vec3} a vector to negate - * @returns {vec3} out - */ -vec3.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - return out; -}; - -/** - * Normalize a vec3 - * - * @param {vec3} out the receiving vector - * @param {vec3} a vector to normalize - * @returns {vec3} out - */ -vec3.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2]; - var len = x*x + y*y + z*z; - if (len > 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} dot product of a and b - */ -vec3.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -}; - -/** - * Computes the cross product of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.cross = function(out, a, b) { - var ax = a[0], ay = a[1], az = a[2], - bx = b[0], by = b[1], bz = b[2]; - - out[0] = ay * bz - az * by; - out[1] = az * bx - ax * bz; - out[2] = ax * by - ay * bx; - return out; -}; - -/** - * Performs a linear interpolation between two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec3} out - */ -vec3.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - return out; -}; - -/** - * Transforms the vec3 with a mat4. - * 4th vector component is implicitly '1' - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec3} out - */ -vec3.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2]; - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12]; - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13]; - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14]; - return out; -}; - -/** - * Transforms the vec3 with a quat - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to transform - * @param {quat} q quaternion to transform with - * @returns {vec3} out - */ -vec3.transformQuat = function(out, a, q) { - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], - - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; - - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; - -/** - * Perform some operation over an array of vec3s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec3.forEach = (function() { - var vec = vec3.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 3; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec3} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec3.str = function (a) { - return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec3 = vec3; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 4 Dimensional Vector - * @name vec4 - */ - -var vec4 = {}; - -/** - * Creates a new, empty vec4 - * - * @returns {vec4} a new 4D vector - */ -vec4.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 0; - return out; -}; - -/** - * Creates a new vec4 initialized with values from an existing vector - * - * @param {vec4} a vector to clone - * @returns {vec4} a new 4D vector - */ -vec4.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Creates a new vec4 initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {vec4} a new 4D vector - */ -vec4.fromValues = function(x, y, z, w) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; - -/** - * Copy the values from one vec4 to another - * - * @param {vec4} out the receiving vector - * @param {vec4} a the source vector - * @returns {vec4} out - */ -vec4.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Set the components of a vec4 to the given values - * - * @param {vec4} out the receiving vector - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {vec4} out - */ -vec4.set = function(out, x, y, z, w) { - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; - -/** - * Adds two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - out[3] = a[3] + b[3]; - return out; -}; - -/** - * Subtracts two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - out[3] = a[3] - b[3]; - return out; -}; - -/** - * Alias for {@link vec4.subtract} - * @function - */ -vec4.sub = vec4.subtract; - -/** - * Multiplies two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - out[3] = a[3] * b[3]; - return out; -}; - -/** - * Alias for {@link vec4.multiply} - * @function - */ -vec4.mul = vec4.multiply; - -/** - * Divides two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - out[3] = a[3] / b[3]; - return out; -}; - -/** - * Alias for {@link vec4.divide} - * @function - */ -vec4.div = vec4.divide; - -/** - * Returns the minimum of two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - out[3] = Math.min(a[3], b[3]); - return out; -}; - -/** - * Returns the maximum of two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - out[3] = Math.max(a[3], b[3]); - return out; -}; - -/** - * Scales a vec4 by a scalar number - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {vec4} out - */ -vec4.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - out[3] = a[3] * b; - return out; -}; - -/** - * Calculates the euclidian distance between two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} distance between a and b - */ -vec4.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.distance} - * @function - */ -vec4.dist = vec4.distance; - -/** - * Calculates the squared euclidian distance between two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} squared distance between a and b - */ -vec4.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredDistance} - * @function - */ -vec4.sqrDist = vec4.squaredDistance; - -/** - * Calculates the length of a vec4 - * - * @param {vec4} a vector to calculate length of - * @returns {Number} length of a - */ -vec4.length = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.length} - * @function - */ -vec4.len = vec4.length; - -/** - * Calculates the squared length of a vec4 - * - * @param {vec4} a vector to calculate squared length of - * @returns {Number} squared length of a - */ -vec4.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredLength} - * @function - */ -vec4.sqrLen = vec4.squaredLength; - -/** - * Negates the components of a vec4 - * - * @param {vec4} out the receiving vector - * @param {vec4} a vector to negate - * @returns {vec4} out - */ -vec4.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = -a[3]; - return out; -}; - -/** - * Normalize a vec4 - * - * @param {vec4} out the receiving vector - * @param {vec4} a vector to normalize - * @returns {vec4} out - */ -vec4.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - var len = x*x + y*y + z*z + w*w; - if (len > 0) { - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - out[3] = a[3] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} dot product of a and b - */ -vec4.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; -}; - -/** - * Performs a linear interpolation between two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec4} out - */ -vec4.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2], - aw = a[3]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - out[3] = aw + t * (b[3] - aw); - return out; -}; - -/** - * Transforms the vec4 with a mat4. - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec4} out - */ -vec4.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2], w = a[3]; - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w; - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w; - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w; - out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w; - return out; -}; - -/** - * Transforms the vec4 with a quat - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {quat} q quaternion to transform with - * @returns {vec4} out - */ -vec4.transformQuat = function(out, a, q) { - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], - - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; - - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; - -/** - * Perform some operation over an array of vec4s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec4.forEach = (function() { - var vec = vec4.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 4; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec4} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec4.str = function (a) { - return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec4 = vec4; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 2x2 Matrix - * @name mat2 - */ - -var mat2 = {}; - -var mat2Identity = new Float32Array([ - 1, 0, - 0, 1 -]); - -/** - * Creates a new identity mat2 - * - * @returns {mat2} a new 2x2 matrix - */ -mat2.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Creates a new mat2 initialized with values from an existing matrix - * - * @param {mat2} a matrix to clone - * @returns {mat2} a new 2x2 matrix - */ -mat2.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Copy the values from one mat2 to another - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Set a mat2 to the identity matrix - * - * @param {mat2} out the receiving matrix - * @returns {mat2} out - */ -mat2.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Transpose the values of a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a1 = a[1]; - out[1] = a[2]; - out[2] = a1; - } else { - out[0] = a[0]; - out[1] = a[2]; - out[2] = a[1]; - out[3] = a[3]; - } - - return out; -}; - -/** - * Inverts a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.invert = function(out, a) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - - // Calculate the determinant - det = a0 * a3 - a2 * a1; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = a3 * det; - out[1] = -a1 * det; - out[2] = -a2 * det; - out[3] = a0 * det; - - return out; -}; - -/** - * Calculates the adjugate of a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.adjoint = function(out, a) { - // Caching this value is nessecary if out == a - var a0 = a[0]; - out[0] = a[3]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = a0; - - return out; -}; - -/** - * Calculates the determinant of a mat2 - * - * @param {mat2} a the source matrix - * @returns {Number} determinant of a - */ -mat2.determinant = function (a) { - return a[0] * a[3] - a[2] * a[1]; -}; - -/** - * Multiplies two mat2's - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the first operand - * @param {mat2} b the second operand - * @returns {mat2} out - */ -mat2.multiply = function (out, a, b) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3]; - var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3]; - out[0] = a0 * b0 + a1 * b2; - out[1] = a0 * b1 + a1 * b3; - out[2] = a2 * b0 + a3 * b2; - out[3] = a2 * b1 + a3 * b3; - return out; -}; - -/** - * Alias for {@link mat2.multiply} - * @function - */ -mat2.mul = mat2.multiply; - -/** - * Rotates a mat2 by the given angle - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat2} out - */ -mat2.rotate = function (out, a, rad) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - s = Math.sin(rad), - c = Math.cos(rad); - out[0] = a0 * c + a1 * s; - out[1] = a0 * -s + a1 * c; - out[2] = a2 * c + a3 * s; - out[3] = a2 * -s + a3 * c; - return out; -}; - -/** - * Scales the mat2 by the dimensions in the given vec2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the matrix to rotate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat2} out - **/ -mat2.scale = function(out, a, v) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - v0 = v[0], v1 = v[1]; - out[0] = a0 * v0; - out[1] = a1 * v1; - out[2] = a2 * v0; - out[3] = a3 * v1; - return out; -}; - -/** - * Returns a string representation of a mat2 - * - * @param {mat2} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat2.str = function (a) { - return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat2 = mat2; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 2x3 Matrix - * @name mat2d - * - * @description - * A mat2d contains six elements defined as: - * 
    - * [a, b,
- *  c, d,
- *  tx,ty]
- *
    - * This is a short form for the 3x3 matrix: - * 
    - * [a, b, 0
- *  c, d, 0
- *  tx,ty,1]
- *
    - * The last column is ignored so the array is shorter and operations are faster. - */ - -var mat2d = {}; - -var mat2dIdentity = new Float32Array([ - 1, 0, - 0, 1, - 0, 0 -]); - -/** - * Creates a new identity mat2d - * - * @returns {mat2d} a new 2x3 matrix - */ -mat2d.create = function() { - var out = new GLMAT_ARRAY_TYPE(6); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - out[4] = 0; - out[5] = 0; - return out; -}; - -/** - * Creates a new mat2d initialized with values from an existing matrix - * - * @param {mat2d} a matrix to clone - * @returns {mat2d} a new 2x3 matrix - */ -mat2d.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(6); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - return out; -}; - -/** - * Copy the values from one mat2d to another - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the source matrix - * @returns {mat2d} out - */ -mat2d.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - return out; -}; - -/** - * Set a mat2d to the identity matrix - * - * @param {mat2d} out the receiving matrix - * @returns {mat2d} out - */ -mat2d.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - out[4] = 0; - out[5] = 0; - return out; -}; - -/** - * Inverts a mat2d - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the source matrix - * @returns {mat2d} out - */ -mat2d.invert = function(out, a) { - var aa = a[0], ab = a[1], ac = a[2], ad = a[3], - atx = a[4], aty = a[5]; - - var det = aa * ad - ab * ac; - if(!det){ - return null; - } - det = 1.0 / det; - - out[0] = ad * det; - out[1] = -ab * det; - out[2] = -ac * det; - out[3] = aa * det; - out[4] = (ac * aty - ad * atx) * det; - out[5] = (ab * atx - aa * aty) * det; - return out; -}; - -/** - * Calculates the determinant of a mat2d - * - * @param {mat2d} a the source matrix - * @returns {Number} determinant of a - */ -mat2d.determinant = function (a) { - return a[0] * a[3] - a[1] * a[2]; -}; - -/** - * Multiplies two mat2d's - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the first operand - * @param {mat2d} b the second operand - * @returns {mat2d} out - */ -mat2d.multiply = function (out, a, b) { - var aa = a[0], ab = a[1], ac = a[2], ad = a[3], - atx = a[4], aty = a[5], - ba = b[0], bb = b[1], bc = b[2], bd = b[3], - btx = b[4], bty = b[5]; - - out[0] = aa*ba + ab*bc; - out[1] = aa*bb + ab*bd; - out[2] = ac*ba + ad*bc; - out[3] = ac*bb + ad*bd; - out[4] = ba*atx + bc*aty + btx; - out[5] = bb*atx + bd*aty + bty; - return out; -}; - -/** - * Alias for {@link mat2d.multiply} - * @function - */ -mat2d.mul = mat2d.multiply; - - -/** - * Rotates a mat2d by the given angle - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat2d} out - */ -mat2d.rotate = function (out, a, rad) { - var aa = a[0], - ab = a[1], - ac = a[2], - ad = a[3], - atx = a[4], - aty = a[5], - st = Math.sin(rad), - ct = Math.cos(rad); - - out[0] = aa*ct + ab*st; - out[1] = -aa*st + ab*ct; - out[2] = ac*ct + ad*st; - out[3] = -ac*st + ct*ad; - out[4] = ct*atx + st*aty; - out[5] = ct*aty - st*atx; - return out; -}; - -/** - * Scales the mat2d by the dimensions in the given vec2 - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to translate - * @param {mat2d} v the vec2 to scale the matrix by - * @returns {mat2d} out - **/ -mat2d.scale = function(out, a, v) { - var vx = v[0], vy = v[1]; - out[0] = a[0] * vx; - out[1] = a[1] * vy; - out[2] = a[2] * vx; - out[3] = a[3] * vy; - out[4] = a[4] * vx; - out[5] = a[5] * vy; - return out; -}; - -/** - * Translates the mat2d by the dimensions in the given vec2 - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to translate - * @param {mat2d} v the vec2 to translate the matrix by - * @returns {mat2d} out - **/ -mat2d.translate = function(out, a, v) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4] + v[0]; - out[5] = a[5] + v[1]; - return out; -}; - -/** - * Returns a string representation of a mat2d - * - * @param {mat2d} a matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat2d.str = function (a) { - return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + - a[3] + ', ' + a[4] + ', ' + a[5] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat2d = mat2d; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 3x3 Matrix - * @name mat3 - */ - -var mat3 = {}; - -var mat3Identity = new Float32Array([ - 1, 0, 0, - 0, 1, 0, - 0, 0, 1 -]); - -/** - * Creates a new identity mat3 - * - * @returns {mat3} a new 3x3 matrix - */ -mat3.create = function() { - var out = new GLMAT_ARRAY_TYPE(9); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 1; - out[5] = 0; - out[6] = 0; - out[7] = 0; - out[8] = 1; - return out; -}; - -/** - * Creates a new mat3 initialized with values from an existing matrix - * - * @param {mat3} a matrix to clone - * @returns {mat3} a new 3x3 matrix - */ -mat3.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(9); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Copy the values from one mat3 to another - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Set a mat3 to the identity matrix - * - * @param {mat3} out the receiving matrix - * @returns {mat3} out - */ -mat3.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 1; - out[5] = 0; - out[6] = 0; - out[7] = 0; - out[8] = 1; - return out; -}; - -/** - * Transpose the values of a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a01 = a[1], a02 = a[2], a12 = a[5]; - out[1] = a[3]; - out[2] = a[6]; - out[3] = a01; - out[5] = a[7]; - out[6] = a02; - out[7] = a12; - } else { - out[0] = a[0]; - out[1] = a[3]; - out[2] = a[6]; - out[3] = a[1]; - out[4] = a[4]; - out[5] = a[7]; - out[6] = a[2]; - out[7] = a[5]; - out[8] = a[8]; - } - - return out; -}; - -/** - * Inverts a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.invert = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - b01 = a22 * a11 - a12 * a21, - b11 = -a22 * a10 + a12 * a20, - b21 = a21 * a10 - a11 * a20, - - // Calculate the determinant - det = a00 * b01 + a01 * b11 + a02 * b21; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = b01 * det; - out[1] = (-a22 * a01 + a02 * a21) * det; - out[2] = (a12 * a01 - a02 * a11) * det; - out[3] = b11 * det; - out[4] = (a22 * a00 - a02 * a20) * det; - out[5] = (-a12 * a00 + a02 * a10) * det; - out[6] = b21 * det; - out[7] = (-a21 * a00 + a01 * a20) * det; - out[8] = (a11 * a00 - a01 * a10) * det; - return out; -}; - -/** - * Calculates the adjugate of a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.adjoint = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8]; - - out[0] = (a11 * a22 - a12 * a21); - out[1] = (a02 * a21 - a01 * a22); - out[2] = (a01 * a12 - a02 * a11); - out[3] = (a12 * a20 - a10 * a22); - out[4] = (a00 * a22 - a02 * a20); - out[5] = (a02 * a10 - a00 * a12); - out[6] = (a10 * a21 - a11 * a20); - out[7] = (a01 * a20 - a00 * a21); - out[8] = (a00 * a11 - a01 * a10); - return out; -}; - -/** - * Calculates the determinant of a mat3 - * - * @param {mat3} a the source matrix - * @returns {Number} determinant of a - */ -mat3.determinant = function (a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8]; - - return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20); -}; - -/** - * Multiplies two mat3's - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the first operand - * @param {mat3} b the second operand - * @returns {mat3} out - */ -mat3.multiply = function (out, a, b) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - b00 = b[0], b01 = b[1], b02 = b[2], - b10 = b[3], b11 = b[4], b12 = b[5], - b20 = b[6], b21 = b[7], b22 = b[8]; - - out[0] = b00 * a00 + b01 * a10 + b02 * a20; - out[1] = b00 * a01 + b01 * a11 + b02 * a21; - out[2] = b00 * a02 + b01 * a12 + b02 * a22; - - out[3] = b10 * a00 + b11 * a10 + b12 * a20; - out[4] = b10 * a01 + b11 * a11 + b12 * a21; - out[5] = b10 * a02 + b11 * a12 + b12 * a22; - - out[6] = b20 * a00 + b21 * a10 + b22 * a20; - out[7] = b20 * a01 + b21 * a11 + b22 * a21; - out[8] = b20 * a02 + b21 * a12 + b22 * a22; - return out; -}; - -/** - * Alias for {@link mat3.multiply} - * @function - */ -mat3.mul = mat3.multiply; - -/** - * Translate a mat3 by the given vector - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to translate - * @param {vec2} v vector to translate by - * @returns {mat3} out - */ -mat3.translate = function(out, a, v) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - x = v[0], y = v[1]; - - out[0] = a00; - out[1] = a01; - out[2] = a02; - - out[3] = a10; - out[4] = a11; - out[5] = a12; - - out[6] = x * a00 + y * a10 + a20; - out[7] = x * a01 + y * a11 + a21; - out[8] = x * a02 + y * a12 + a22; - return out; -}; - -/** - * Rotates a mat3 by the given angle - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat3} out - */ -mat3.rotate = function (out, a, rad) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - s = Math.sin(rad), - c = Math.cos(rad); - - out[0] = c * a00 + s * a10; - out[1] = c * a01 + s * a11; - out[2] = c * a02 + s * a12; - - out[3] = c * a10 - s * a00; - out[4] = c * a11 - s * a01; - out[5] = c * a12 - s * a02; - - out[6] = a20; - out[7] = a21; - out[8] = a22; - return out; -}; - -/** - * Scales the mat3 by the dimensions in the given vec2 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to rotate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat3} out - **/ -mat3.scale = function(out, a, v) { - var x = v[0], y = v[2]; - - out[0] = x * a[0]; - out[1] = x * a[1]; - out[2] = x * a[2]; - - out[3] = y * a[3]; - out[4] = y * a[4]; - out[5] = y * a[5]; - - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Copies the values from a mat2d into a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to rotate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat3} out - **/ -mat3.fromMat2d = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = 0; - - out[3] = a[2]; - out[4] = a[3]; - out[5] = 0; - - out[6] = a[4]; - out[7] = a[5]; - out[8] = 1; - return out; -}; - -/** -* Calculates a 3x3 matrix from the given quaternion -* -* @param {mat3} out mat3 receiving operation result -* @param {quat} q Quaternion to create matrix from -* -* @returns {mat3} out -*/ -mat3.fromQuat = function (out, q) { - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - xy = x * y2, - xz = x * z2, - yy = y * y2, - yz = y * z2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - (yy + zz); - out[1] = xy + wz; - out[2] = xz - wy; - - out[3] = xy - wz; - out[4] = 1 - (xx + zz); - out[5] = yz + wx; - - out[6] = xz + wy; - out[7] = yz - wx; - out[8] = 1 - (xx + yy); - - return out; -}; - -/** - * Returns a string representation of a mat3 - * - * @param {mat3} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat3.str = function (a) { - return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + - a[3] + ', ' + a[4] + ', ' + a[5] + ', ' + - a[6] + ', ' + a[7] + ', ' + a[8] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat3 = mat3; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 4x4 Matrix - * @name mat4 - */ - -var mat4 = {}; - -var mat4Identity = new Float32Array([ - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0, - 0, 0, 0, 1 -]); - -/** - * Creates a new identity mat4 - * - * @returns {mat4} a new 4x4 matrix - */ -mat4.create = function() { - var out = new GLMAT_ARRAY_TYPE(16); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = 1; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 1; - out[11] = 0; - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - return out; -}; - -/** - * Creates a new mat4 initialized with values from an existing matrix - * - * @param {mat4} a matrix to clone - * @returns {mat4} a new 4x4 matrix - */ -mat4.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(16); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Copy the values from one mat4 to another - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Set a mat4 to the identity matrix - * - * @param {mat4} out the receiving matrix - * @returns {mat4} out - */ -mat4.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = 1; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 1; - out[11] = 0; - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - return out; -}; - -/** - * Transpose the values of a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a01 = a[1], a02 = a[2], a03 = a[3], - a12 = a[6], a13 = a[7], - a23 = a[11]; - - out[1] = a[4]; - out[2] = a[8]; - out[3] = a[12]; - out[4] = a01; - out[6] = a[9]; - out[7] = a[13]; - out[8] = a02; - out[9] = a12; - out[11] = a[14]; - out[12] = a03; - out[13] = a13; - out[14] = a23; - } else { - out[0] = a[0]; - out[1] = a[4]; - out[2] = a[8]; - out[3] = a[12]; - out[4] = a[1]; - out[5] = a[5]; - out[6] = a[9]; - out[7] = a[13]; - out[8] = a[2]; - out[9] = a[6]; - out[10] = a[10]; - out[11] = a[14]; - out[12] = a[3]; - out[13] = a[7]; - out[14] = a[11]; - out[15] = a[15]; - } - - return out; -}; - -/** - * Inverts a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.invert = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], - - b00 = a00 * a11 - a01 * a10, - b01 = a00 * a12 - a02 * a10, - b02 = a00 * a13 - a03 * a10, - b03 = a01 * a12 - a02 * a11, - b04 = a01 * a13 - a03 * a11, - b05 = a02 * a13 - a03 * a12, - b06 = a20 * a31 - a21 * a30, - b07 = a20 * a32 - a22 * a30, - b08 = a20 * a33 - a23 * a30, - b09 = a21 * a32 - a22 * a31, - b10 = a21 * a33 - a23 * a31, - b11 = a22 * a33 - a23 * a32, - - // Calculate the determinant - det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det; - out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det; - out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det; - out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det; - out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det; - out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det; - out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det; - out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det; - out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det; - out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det; - out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det; - out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det; - out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det; - out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det; - out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det; - out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det; - - return out; -}; - -/** - * Calculates the adjugate of a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.adjoint = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15]; - - out[0] = (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22)); - out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22)); - out[2] = (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12)); - out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12)); - out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22)); - out[5] = (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22)); - out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12)); - out[7] = (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12)); - out[8] = (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21)); - out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21)); - out[10] = (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11)); - out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11)); - out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21)); - out[13] = (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21)); - out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11)); - out[15] = (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11)); - return out; -}; - -/** - * Calculates the determinant of a mat4 - * - * @param {mat4} a the source matrix - * @returns {Number} determinant of a - */ -mat4.determinant = function (a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], - - b00 = a00 * a11 - a01 * a10, - b01 = a00 * a12 - a02 * a10, - b02 = a00 * a13 - a03 * a10, - b03 = a01 * a12 - a02 * a11, - b04 = a01 * a13 - a03 * a11, - b05 = a02 * a13 - a03 * a12, - b06 = a20 * a31 - a21 * a30, - b07 = a20 * a32 - a22 * a30, - b08 = a20 * a33 - a23 * a30, - b09 = a21 * a32 - a22 * a31, - b10 = a21 * a33 - a23 * a31, - b11 = a22 * a33 - a23 * a32; - - // Calculate the determinant - return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; -}; - -/** - * Multiplies two mat4's - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the first operand - * @param {mat4} b the second operand - * @returns {mat4} out - */ -mat4.multiply = function (out, a, b) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15]; - - // Cache only the current line of the second matrix - var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3]; - out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7]; - out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11]; - out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15]; - out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - return out; -}; - -/** - * Alias for {@link mat4.multiply} - * @function - */ -mat4.mul = mat4.multiply; - -/** - * Translate a mat4 by the given vector - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to translate - * @param {vec3} v vector to translate by - * @returns {mat4} out - */ -mat4.translate = function (out, a, v) { - var x = v[0], y = v[1], z = v[2], - a00, a01, a02, a03, - a10, a11, a12, a13, - a20, a21, a22, a23; - - if (a === out) { - out[12] = a[0] * x + a[4] * y + a[8] * z + a[12]; - out[13] = a[1] * x + a[5] * y + a[9] * z + a[13]; - out[14] = a[2] * x + a[6] * y + a[10] * z + a[14]; - out[15] = a[3] * x + a[7] * y + a[11] * z + a[15]; - } else { - a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3]; - a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7]; - a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11]; - - out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03; - out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13; - out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23; - - out[12] = a00 * x + a10 * y + a20 * z + a[12]; - out[13] = a01 * x + a11 * y + a21 * z + a[13]; - out[14] = a02 * x + a12 * y + a22 * z + a[14]; - out[15] = a03 * x + a13 * y + a23 * z + a[15]; - } - - return out; -}; - -/** - * Scales the mat4 by the dimensions in the given vec3 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to scale - * @param {vec3} v the vec3 to scale the matrix by - * @returns {mat4} out - **/ -mat4.scale = function(out, a, v) { - var x = v[0], y = v[1], z = v[2]; - - out[0] = a[0] * x; - out[1] = a[1] * x; - out[2] = a[2] * x; - out[3] = a[3] * x; - out[4] = a[4] * y; - out[5] = a[5] * y; - out[6] = a[6] * y; - out[7] = a[7] * y; - out[8] = a[8] * z; - out[9] = a[9] * z; - out[10] = a[10] * z; - out[11] = a[11] * z; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Rotates a mat4 by the given angle - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @param {vec3} axis the axis to rotate around - * @returns {mat4} out - */ -mat4.rotate = function (out, a, rad, axis) { - var x = axis[0], y = axis[1], z = axis[2], - len = Math.sqrt(x * x + y * y + z * z), - s, c, t, - a00, a01, a02, a03, - a10, a11, a12, a13, - a20, a21, a22, a23, - b00, b01, b02, - b10, b11, b12, - b20, b21, b22; - - if (Math.abs(len) < GLMAT_EPSILON) { return null; } - - len = 1 / len; - x *= len; - y *= len; - z *= len; - - s = Math.sin(rad); - c = Math.cos(rad); - t = 1 - c; - - a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3]; - a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7]; - a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11]; - - // Construct the elements of the rotation matrix - b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s; - b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s; - b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c; - - // Perform rotation-specific matrix multiplication - out[0] = a00 * b00 + a10 * b01 + a20 * b02; - out[1] = a01 * b00 + a11 * b01 + a21 * b02; - out[2] = a02 * b00 + a12 * b01 + a22 * b02; - out[3] = a03 * b00 + a13 * b01 + a23 * b02; - out[4] = a00 * b10 + a10 * b11 + a20 * b12; - out[5] = a01 * b10 + a11 * b11 + a21 * b12; - out[6] = a02 * b10 + a12 * b11 + a22 * b12; - out[7] = a03 * b10 + a13 * b11 + a23 * b12; - out[8] = a00 * b20 + a10 * b21 + a20 * b22; - out[9] = a01 * b20 + a11 * b21 + a21 * b22; - out[10] = a02 * b20 + a12 * b21 + a22 * b22; - out[11] = a03 * b20 + a13 * b21 + a23 * b22; - - if (a !== out) { // If the source and destination differ, copy the unchanged last row - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - return out; -}; - -/** - * Rotates a matrix by the given angle around the X axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateX = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a10 = a[4], - a11 = a[5], - a12 = a[6], - a13 = a[7], - a20 = a[8], - a21 = a[9], - a22 = a[10], - a23 = a[11]; - - if (a !== out) { // If the source and destination differ, copy the unchanged rows - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[4] = a10 * c + a20 * s; - out[5] = a11 * c + a21 * s; - out[6] = a12 * c + a22 * s; - out[7] = a13 * c + a23 * s; - out[8] = a20 * c - a10 * s; - out[9] = a21 * c - a11 * s; - out[10] = a22 * c - a12 * s; - out[11] = a23 * c - a13 * s; - return out; -}; - -/** - * Rotates a matrix by the given angle around the Y axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateY = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a00 = a[0], - a01 = a[1], - a02 = a[2], - a03 = a[3], - a20 = a[8], - a21 = a[9], - a22 = a[10], - a23 = a[11]; - - if (a !== out) { // If the source and destination differ, copy the unchanged rows - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[0] = a00 * c - a20 * s; - out[1] = a01 * c - a21 * s; - out[2] = a02 * c - a22 * s; - out[3] = a03 * c - a23 * s; - out[8] = a00 * s + a20 * c; - out[9] = a01 * s + a21 * c; - out[10] = a02 * s + a22 * c; - out[11] = a03 * s + a23 * c; - return out; -}; - -/** - * Rotates a matrix by the given angle around the Z axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateZ = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a00 = a[0], - a01 = a[1], - a02 = a[2], - a03 = a[3], - a10 = a[4], - a11 = a[5], - a12 = a[6], - a13 = a[7]; - - if (a !== out) { // If the source and destination differ, copy the unchanged last row - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[0] = a00 * c + a10 * s; - out[1] = a01 * c + a11 * s; - out[2] = a02 * c + a12 * s; - out[3] = a03 * c + a13 * s; - out[4] = a10 * c - a00 * s; - out[5] = a11 * c - a01 * s; - out[6] = a12 * c - a02 * s; - out[7] = a13 * c - a03 * s; - return out; -}; - -/** - * Creates a matrix from a quaternion rotation and vector translation - * This is equivalent to (but much faster than): - * - * mat4.identity(dest); - * mat4.translate(dest, vec); - * var quatMat = mat4.create(); - * quat4.toMat4(quat, quatMat); - * mat4.multiply(dest, quatMat); - * - * @param {mat4} out mat4 receiving operation result - * @param {quat4} q Rotation quaternion - * @param {vec3} v Translation vector - * @returns {mat4} out - */ -mat4.fromRotationTranslation = function (out, q, v) { - // Quaternion math - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - xy = x * y2, - xz = x * z2, - yy = y * y2, - yz = y * z2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - (yy + zz); - out[1] = xy + wz; - out[2] = xz - wy; - out[3] = 0; - out[4] = xy - wz; - out[5] = 1 - (xx + zz); - out[6] = yz + wx; - out[7] = 0; - out[8] = xz + wy; - out[9] = yz - wx; - out[10] = 1 - (xx + yy); - out[11] = 0; - out[12] = v[0]; - out[13] = v[1]; - out[14] = v[2]; - out[15] = 1; - - return out; -}; - -/** -* Calculates a 4x4 matrix from the given quaternion -* -* @param {mat4} out mat4 receiving operation result -* @param {quat} q Quaternion to create matrix from -* -* @returns {mat4} out -*/ -mat4.fromQuat = function (out, q) { - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - xy = x * y2, - xz = x * z2, - yy = y * y2, - yz = y * z2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - (yy + zz); - out[1] = xy + wz; - out[2] = xz - wy; - out[3] = 0; - - out[4] = xy - wz; - out[5] = 1 - (xx + zz); - out[6] = yz + wx; - out[7] = 0; - - out[8] = xz + wy; - out[9] = yz - wx; - out[10] = 1 - (xx + yy); - out[11] = 0; - - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - - return out; -}; - -/** - * Generates a frustum matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {Number} left Left bound of the frustum - * @param {Number} right Right bound of the frustum - * @param {Number} bottom Bottom bound of the frustum - * @param {Number} top Top bound of the frustum - * @param {Number} near Near bound of the frustum - * @param {Number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.frustum = function (out, left, right, bottom, top, near, far) { - var rl = 1 / (right - left), - tb = 1 / (top - bottom), - nf = 1 / (near - far); - out[0] = (near * 2) * rl; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = (near * 2) * tb; - out[6] = 0; - out[7] = 0; - out[8] = (right + left) * rl; - out[9] = (top + bottom) * tb; - out[10] = (far + near) * nf; - out[11] = -1; - out[12] = 0; - out[13] = 0; - out[14] = (far * near * 2) * nf; - out[15] = 0; - return out; -}; - -/** - * Generates a perspective projection matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {number} fovy Vertical field of view in radians - * @param {number} aspect Aspect ratio. typically viewport width/height - * @param {number} near Near bound of the frustum - * @param {number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.perspective = function (out, fovy, aspect, near, far) { - var f = 1.0 / Math.tan(fovy / 2), - nf = 1 / (near - far); - out[0] = f / aspect; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = f; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = (far + near) * nf; - out[11] = -1; - out[12] = 0; - out[13] = 0; - out[14] = (2 * far * near) * nf; - out[15] = 0; - return out; -}; - -/** - * Generates a orthogonal projection matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {number} left Left bound of the frustum - * @param {number} right Right bound of the frustum - * @param {number} bottom Bottom bound of the frustum - * @param {number} top Top bound of the frustum - * @param {number} near Near bound of the frustum - * @param {number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.ortho = function (out, left, right, bottom, top, near, far) { - var lr = 1 / (left - right), - bt = 1 / (bottom - top), - nf = 1 / (near - far); - out[0] = -2 * lr; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = -2 * bt; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 2 * nf; - out[11] = 0; - out[12] = (left + right) * lr; - out[13] = (top + bottom) * bt; - out[14] = (far + near) * nf; - out[15] = 1; - return out; -}; - -/** - * Generates a look-at matrix with the given eye position, focal point, and up axis - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {vec3} eye Position of the viewer - * @param {vec3} center Point the viewer is looking at - * @param {vec3} up vec3 pointing up - * @returns {mat4} out - */ -mat4.lookAt = function (out, eye, center, up) { - var x0, x1, x2, y0, y1, y2, z0, z1, z2, len, - eyex = eye[0], - eyey = eye[1], - eyez = eye[2], - upx = up[0], - upy = up[1], - upz = up[2], - centerx = center[0], - centery = center[1], - centerz = center[2]; - - if (Math.abs(eyex - centerx) < GLMAT_EPSILON && - Math.abs(eyey - centery) < GLMAT_EPSILON && - Math.abs(eyez - centerz) < GLMAT_EPSILON) { - return mat4.identity(out); - } - - z0 = eyex - centerx; - z1 = eyey - centery; - z2 = eyez - centerz; - - len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2); - z0 *= len; - z1 *= len; - z2 *= len; - - x0 = upy * z2 - upz * z1; - x1 = upz * z0 - upx * z2; - x2 = upx * z1 - upy * z0; - len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2); - if (!len) { - x0 = 0; - x1 = 0; - x2 = 0; - } else { - len = 1 / len; - x0 *= len; - x1 *= len; - x2 *= len; - } - - y0 = z1 * x2 - z2 * x1; - y1 = z2 * x0 - z0 * x2; - y2 = z0 * x1 - z1 * x0; - - len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2); - if (!len) { - y0 = 0; - y1 = 0; - y2 = 0; - } else { - len = 1 / len; - y0 *= len; - y1 *= len; - y2 *= len; - } - - out[0] = x0; - out[1] = y0; - out[2] = z0; - out[3] = 0; - out[4] = x1; - out[5] = y1; - out[6] = z1; - out[7] = 0; - out[8] = x2; - out[9] = y2; - out[10] = z2; - out[11] = 0; - out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez); - out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez); - out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez); - out[15] = 1; - - return out; -}; - -/** - * Returns a string representation of a mat4 - * - * @param {mat4} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat4.str = function (a) { - return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' + - a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' + - a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' + - a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat4 = mat4; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class Quaternion - * @name quat - */ - -var quat = {}; - -var quatIdentity = new Float32Array([0, 0, 0, 1]); - -/** - * Creates a new identity quat - * - * @returns {quat} a new quaternion - */ -quat.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Creates a new quat initialized with values from an existing quaternion - * - * @param {quat} a quaternion to clone - * @returns {quat} a new quaternion - * @function - */ -quat.clone = vec4.clone; - -/** - * Creates a new quat initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {quat} a new quaternion - * @function - */ -quat.fromValues = vec4.fromValues; - -/** - * Copy the values from one quat to another - * - * @param {quat} out the receiving quaternion - * @param {quat} a the source quaternion - * @returns {quat} out - * @function - */ -quat.copy = vec4.copy; - -/** - * Set the components of a quat to the given values - * - * @param {quat} out the receiving quaternion - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {quat} out - * @function - */ -quat.set = vec4.set; - -/** - * Set a quat to the identity quaternion - * - * @param {quat} out the receiving quaternion - * @returns {quat} out - */ -quat.identity = function(out) { - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Sets a quat from the given angle and rotation axis, - * then returns it. - * - * @param {quat} out the receiving quaternion - * @param {vec3} axis the axis around which to rotate - * @param {Number} rad the angle in radians - * @returns {quat} out - **/ -quat.setAxisAngle = function(out, axis, rad) { - rad = rad * 0.5; - var s = Math.sin(rad); - out[0] = s * axis[0]; - out[1] = s * axis[1]; - out[2] = s * axis[2]; - out[3] = Math.cos(rad); - return out; -}; - -/** - * Adds two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {quat} out - * @function - */ -quat.add = vec4.add; - -/** - * Multiplies two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {quat} out - */ -quat.multiply = function(out, a, b) { - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3]; - - out[0] = ax * bw + aw * bx + ay * bz - az * by; - out[1] = ay * bw + aw * by + az * bx - ax * bz; - out[2] = az * bw + aw * bz + ax * by - ay * bx; - out[3] = aw * bw - ax * bx - ay * by - az * bz; - return out; -}; - -/** - * Alias for {@link quat.multiply} - * @function - */ -quat.mul = quat.multiply; - -/** - * Scales a quat by a scalar number - * - * @param {quat} out the receiving vector - * @param {quat} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {quat} out - * @function - */ -quat.scale = vec4.scale; - -/** - * Rotates a quaternion by the given angle around the X axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateX = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw + aw * bx; - out[1] = ay * bw + az * bx; - out[2] = az * bw - ay * bx; - out[3] = aw * bw - ax * bx; - return out; -}; - -/** - * Rotates a quaternion by the given angle around the Y axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateY = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - by = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw - az * by; - out[1] = ay * bw + aw * by; - out[2] = az * bw + ax * by; - out[3] = aw * bw - ay * by; - return out; -}; - -/** - * Rotates a quaternion by the given angle around the Z axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateZ = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bz = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw + ay * bz; - out[1] = ay * bw - ax * bz; - out[2] = az * bw + aw * bz; - out[3] = aw * bw - az * bz; - return out; -}; - -/** - * Calculates the W component of a quat from the X, Y, and Z components. - * Assumes that quaternion is 1 unit in length. - * Any existing W component will be ignored. - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate W component of - * @returns {quat} out - */ -quat.calculateW = function (out, a) { - var x = a[0], y = a[1], z = a[2]; - - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = -Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z)); - return out; -}; - -/** - * Calculates the dot product of two quat's - * - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {Number} dot product of a and b - * @function - */ -quat.dot = vec4.dot; - -/** - * Performs a linear interpolation between two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - * @function - */ -quat.lerp = vec4.lerp; - -/** - * Performs a spherical linear interpolation between two quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - */ -quat.slerp = function (out, a, b, t) { - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3]; - - var cosHalfTheta = ax * bx + ay * by + az * bz + aw * bw, - halfTheta, - sinHalfTheta, - ratioA, - ratioB; - - if (Math.abs(cosHalfTheta) >= 1.0) { - if (out !== a) { - out[0] = ax; - out[1] = ay; - out[2] = az; - out[3] = aw; - } - return out; - } - - halfTheta = Math.acos(cosHalfTheta); - sinHalfTheta = Math.sqrt(1.0 - cosHalfTheta * cosHalfTheta); - - if (Math.abs(sinHalfTheta) < 0.001) { - out[0] = (ax * 0.5 + bx * 0.5); - out[1] = (ay * 0.5 + by * 0.5); - out[2] = (az * 0.5 + bz * 0.5); - out[3] = (aw * 0.5 + bw * 0.5); - return out; - } - - ratioA = Math.sin((1 - t) * halfTheta) / sinHalfTheta; - ratioB = Math.sin(t * halfTheta) / sinHalfTheta; - - out[0] = (ax * ratioA + bx * ratioB); - out[1] = (ay * ratioA + by * ratioB); - out[2] = (az * ratioA + bz * ratioB); - out[3] = (aw * ratioA + bw * ratioB); - - return out; -}; - -/** - * Calculates the inverse of a quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate inverse of - * @returns {quat} out - */ -quat.invert = function(out, a) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - dot = a0*a0 + a1*a1 + a2*a2 + a3*a3, - invDot = dot ? 1.0/dot : 0; - - // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0 - - out[0] = -a0*invDot; - out[1] = -a1*invDot; - out[2] = -a2*invDot; - out[3] = a3*invDot; - return out; -}; - -/** - * Calculates the conjugate of a quat - * If the quaternion is normalized, this function is faster than quat.inverse and produces the same result. - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate conjugate of - * @returns {quat} out - */ -quat.conjugate = function (out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Calculates the length of a quat - * - * @param {quat} a vector to calculate length of - * @returns {Number} length of a - * @function - */ -quat.length = vec4.length; - -/** - * Alias for {@link quat.length} - * @function - */ -quat.len = quat.length; - -/** - * Calculates the squared length of a quat - * - * @param {quat} a vector to calculate squared length of - * @returns {Number} squared length of a - * @function - */ -quat.squaredLength = vec4.squaredLength; - -/** - * Alias for {@link quat.squaredLength} - * @function - */ -quat.sqrLen = quat.squaredLength; - -/** - * Normalize a quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a quaternion to normalize - * @returns {quat} out - * @function - */ -quat.normalize = vec4.normalize; - -/** - * Creates a quaternion from the given 3x3 rotation matrix. - * - * @param {quat} out the receiving quaternion - * @param {mat3} m rotation matrix - * @returns {quat} out - * @function - */ -quat.fromMat3 = (function() { - var s_iNext = [1,2,0]; - return function(out, m) { - // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes - // article "Quaternion Calculus and Fast Animation". - var fTrace = m[0] + m[4] + m[8]; - var fRoot; - - if ( fTrace > 0.0 ) { - // |w| > 1/2, may as well choose w > 1/2 - fRoot = Math.sqrt(fTrace + 1.0); // 2w - out[3] = 0.5 * fRoot; - fRoot = 0.5/fRoot; // 1/(4w) - out[0] = (m[7]-m[5])*fRoot; - out[1] = (m[2]-m[6])*fRoot; - out[2] = (m[3]-m[1])*fRoot; - } else { - // |w| <= 1/2 - var i = 0; - if ( m[4] > m[0] ) - i = 1; - if ( m[8] > m[i*3+i] ) - i = 2; - var j = s_iNext[i]; - var k = s_iNext[j]; - - fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0); - out[i] = 0.5 * fRoot; - fRoot = 0.5 / fRoot; - out[3] = (m[k*3+j] - m[j*3+k]) * fRoot; - out[j] = (m[j*3+i] + m[i*3+j]) * fRoot; - out[k] = (m[k*3+i] + m[i*3+k]) * fRoot; - } - - return out; - }; -})(); - -/** - * Returns a string representation of a quatenion - * - * @param {quat} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -quat.str = function (a) { - return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.quat = quat; -} -; - - - - - - - - - - - - - - })(shim.exports); -})(); - -},{}],69:[function(require,module,exports){ -arguments[4][9][0].apply(exports,arguments) -},{"cwise-compiler":70}],70:[function(require,module,exports){ -arguments[4][10][0].apply(exports,arguments) -},{"./lib/thunk.js":72}],71:[function(require,module,exports){ -arguments[4][11][0].apply(exports,arguments) -},{"uniq":73}],72:[function(require,module,exports){ -arguments[4][12][0].apply(exports,arguments) -},{"./compile.js":71}],73:[function(require,module,exports){ -module.exports=require(13) -},{}],74:[function(require,module,exports){ -arguments[4][14][0].apply(exports,arguments) -},{"buffer":106,"iota-array":75}],75:[function(require,module,exports){ -module.exports=require(15) -},{}],76:[function(require,module,exports){ -module.exports=require(16) -},{}],77:[function(require,module,exports){ -module.exports=require(17) -},{}],78:[function(require,module,exports){ -module.exports=require(56) -},{"bit-twiddle":76,"buffer":106,"dup":77}],79:[function(require,module,exports){ -module.exports=require(41) -},{}],80:[function(require,module,exports){ -module.exports=require(42) -},{"weakmap":79}],81:[function(require,module,exports){ -"use strict" - -var ndarray = require("ndarray") -var ops = require("ndarray-ops") -var pool = require("typedarray-pool") -var webglew = require("webglew") - -var linearTypes = null -var filterTypes = null -var wrapTypes = null - -function lazyInitLinearTypes(gl) { - linearTypes = [ - gl.LINEAR, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_NEAREST - ] - filterTypes = [ - gl.NEAREST, - gl.LINEAR, - gl.NEAREST_MIPMAP_NEAREST, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_LINEAR - ] - wrapTypes = [ - gl.REPEAT, - gl.CLAMP_TO_EDGE, - gl.MIRRORED_REPEAT - ] -} - -var convertFloatToUint8 = function(out, inp) { - ops.muls(out, inp, 255.0) -} - -function Texture2D(gl, handle, width, height, format, type) { - this.gl = gl - this.handle = handle - this.format = format - this.type = type - this._shape = [height, width] - this._mipLevels = [0] - this._magFilter = gl.NEAREST - this._minFilter = gl.NEAREST - this._wrapS = gl.CLAMP_TO_EDGE - this._wrapT = gl.CLAMP_TO_EDGE - this._anisoSamples = 1 -} - -Object.defineProperty(Texture2D.prototype, "minFilter", { - get: function() { - return this._minFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!webglew(gl).OES_texture_float_linear) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error("gl-texture2d: Unknown filter mode " + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, v) - return this._minFilter = v - } -}) - -var proto = Texture2D.prototype - -Object.defineProperty(proto, "magFilter", { - get: function() { - return this._magFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!webglew(gl).OES_texture_float_linear) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error("gl-texture2d: Unknown filter mode " + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, v) - return this._magFilter = v - } -}) - -Object.defineProperty(proto, "wrapS", { - get: function() { - return this._wrapS - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error("gl-texture2d: Unknown wrap mode " + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, v) - return this._wrapS = v - } -}) - -Object.defineProperty(proto, "wrapT", { - get: function() { - return this._wrapT - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error("gl-texture2d: Unknown wrap mode " + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, v) - return this._wrapT = v - } -}) - - -Object.defineProperty(proto, "wrap", { - get: function() { - return [this._wrapT, this._wrapS] - }, - set: function(v) { - if(!Array.isArray(v)) { - v = [v,v] - } - if(v.length !== 2) { - throw new Error("gl-texture2d: Must specify wrap mode for rows and columns") - } - for(var i=0; i<2; ++i) { - if(wrapTypes.indexOf(v[i]) < 0) { - throw new Error("gl-texture2d: Unknown wrap mode " + v) - } - } - this._wrapT = v[0] - this._wrapS = v[1] - - var gl = this.gl - this.bind() - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, this._wrapT) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, this._wrapS) - - return v - } -}) - -Object.defineProperty(proto, "mipSamples", { - get: function() { - return this._anisoSamples - }, - set: function(i) { - var psamples = this._anisoSamples - this._anisoSamples = Math.max(i, 1)|0 - if(psamples !== this._anisoSamples) { - var ext = webglew(this.gl).EXT_texture_filter_anisotropic - if(ext) { - this.gl.texParameterf(this.gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, this._anisoSamples) - } - } - return this._anisoSamples - } -}) - -Object.defineProperty(proto, "shape", { - get: function() { - return this._shape - }, - set: function(x) { - if(!Array.isArray(x)) { - x = [x|0,x|0] - } else { - if(x.length !== 2) { - throw new Error("gl-texture2d: Invalid texture shape") - } - } - var r = x[0]|0 - var c = x[1]|0 - if(this.height === r && this.width === c) { - return x - } - var gl = this.gl - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(c < 0 || c > maxSize || r < 0 || r > maxSize) { - throw new Error("gl-texture2d: Invalid texture size") - } - this._shape = [r, c] - this.bind() - gl.texImage2D(gl.TEXTURE_2D, 0, this.format, c, r, 0, this.format, this.type, null) - this._mipLevels = [0] - return x - } -}) - -proto.bind = function bindTexture2D(unit) { - var gl = this.gl - if(unit !== undefined) { - gl.activeTexture(gl.TEXTURE0 + (unit|0)) - } - gl.bindTexture(gl.TEXTURE_2D, this.handle) - if(unit !== undefined) { - return unit - } - return gl.getParameter(gl.ACTIVE_TEXTURE) - gl.TEXTURE0 -} - -proto.dispose = function disposeTexture2D() { - this.gl.deleteTexture(this.handle) -} - -proto.generateMipmap = function() { - this.bind() - this.gl.generateMipmap(this.gl.TEXTURE_2D) - - //Update mip levels - var l = Math.min(this._shape[0], this._shape[1]) - for(var i=0; l>0; ++i, l>>>=1) { - if(this._mipLevels.indexOf(i) < 0) { - this._mipLevels.push(i) - } - } -} - -proto.setPixels = function(data, x_off, y_off, mip_level) { - var gl = this.gl - this.bind() - if(Array.isArray(x_off)) { - mip_level = y_off - y_off = x_off[0]|0 - x_off = x_off[1]|0 - } else { - x_off = x_off || 0 - y_off = y_off || 0 - } - mip_level = mip_level || 0 - if(data instanceof HTMLCanvasElement || - data instanceof ImageData || - data instanceof HTMLImageElement || - data instanceof HTMLVideoElement) { - var needsMip = this._mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.format, this.type, data) - this._mipLevels.push(mip_level) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, this.format, this.type, data) - } - } else if(data.shape && data.stride && data.data) { - if(data.shape.length < 2 || - x_off + data.shape[1] > this._shape[1]>>>mip_level || - y_off + data.shape[0] > this._shape[0]>>>mip_level || - x_off < 0 || - y_off < 0) { - throw new Error("gl-texture2d: Texture dimensions are out of bounds") - } - texSubImageArray(gl, x_off, y_off, mip_level, this.format, this.type, this._mipLevels, data) - } else { - throw new Error("gl-texture2d: Unsupported data type") - } -} - -function texSubImageArray(gl, x_off, y_off, mip_level, cformat, ctype, mipLevels, array) { - var dtype = array.dtype - var shape = array.shape - var packed = isPacked(array) - var type = 0, format = 0 - if(dtype === "float32") { - type = gl.FLOAT - } else if(dtype === "float64") { - type = gl.FLOAT - packed = false - dtype = "float32" - } else if(dtype === "uint8") { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = "uint8" - } - if(shape.length === 2) { - format = gl.LUMINANCE - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error("gl-texture2d: Invalid shape for pixel coords") - } - } else { - throw new Error("gl-texture2d: Invalid shape for texture") - } - //For 1-channel textures allow conversion between formats - if((format === gl.LUMINANCE || format === gl.ALPHA) && - (cformat === gl.LUMINANCE || cformat === gl.ALPHA)) { - format = cformat - } - if(format !== cformat) { - throw new Error("gl-texture2d: Incompatible texture format for setPixels") - } - var size = array.size - var needsMip = mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - mipLevels.push(mip_level) - } - if(type === ctype && packed) { - //Array data types are compatible, can directly copy into texture - if(array.offset === 0 && array.data.length === size) { - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[1], shape[0], 0, cformat, ctype, array.data) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[1], shape[0], cformat, ctype, array.data) - } - } else { - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[1], shape[0], 0, cformat, ctype, array.data.subarray(array.offset, array.offset+size)) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[1], shape[0], cformat, ctype, array.data.subarray(array.offset, array.offset+size)) - } - } - } else { - //Need to do type conversion to pack data into buffer - var pack_buffer - if(ctype === gl.FLOAT) { - pack_buffer = pool.mallocFloat32(size) - } else { - pack_buffer = pool.mallocUint8(size) - } - var pack_view = ndarray(pack_buffer, shape) - if(type === gl.FLOAT && ctype === gl.UNSIGNED_BYTE) { - convertFloatToUint8(pack_view, array) - } else { - ops.assign(pack_view, array) - } - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[1], shape[0], 0, cformat, ctype, pack_buffer.subarray(0, size)) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[1], shape[0], cformat, ctype, pack_buffer.subarray(0, size)) - } - if(ctype === gl.FLOAT) { - pool.freeFloat32(pack_buffer) - } else { - pool.freeUint8(pack_buffer) - } - } -} - -function initTexture(gl) { - var tex = gl.createTexture() - gl.bindTexture(gl.TEXTURE_2D, tex) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - return tex -} - -function createTextureShape(gl, width, height, format, type) { - var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(width < 0 || width > maxTextureSize || height < 0 || height > maxTextureSize) { - throw new Error("gl-texture2d: Invalid texture shape") - } - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, format, type, null) - return new Texture2D(gl, tex, width, height, format, type) -} - -function createTextureDOM(gl, element, format, type) { - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, format, type, element) - return new Texture2D(gl, tex, element.width|0, element.height|0, format, type) -} - -function isPacked(array) { - var shape = array.shape - var stride = array.stride - var s = 1 - for(var i=shape.length-1; i>=0; --i) { - if(stride[i] !== s) { - return false - } - s *= shape[i] - } - return true -} - -//Creates a texture from an ndarray -function createTextureArray(gl, array) { - var dtype = array.dtype - var shape = array.shape.slice() - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(shape[0] < 0 || shape[0] > maxSize || shape[1] < 0 || shape[1] > maxSize) { - throw new Error("gl-texture2d: Invalid texture size") - } - - var packed = isPacked(array) - var type = 0 - if(dtype === "float32") { - type = gl.FLOAT - } else if(dtype === "float64") { - type = gl.FLOAT - packed = false - dtype = "float32" - } else if(dtype === "uint8") { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = "uint8" - } - var format = 0 - if(shape.length === 2) { - format = gl.LUMINANCE - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error("Invalid shape for pixel coords") - } - } else { - throw new Error("Invalid shape for texture") - } - if(type === gl.FLOAT && !!webglew(gl).texture_float) { - type = gl.UNSIGNED_BYTE - packed = false - } - var buffer, buf_store - if(!packed) { - var sz = 1 - var stride = new Array(shape.length) - for(var i=shape.length-1; i>=0; --i) { - stride[i] = sz - sz *= shape[i] - } - buf_store = pool.malloc(sz, dtype) - var buf_array = ndarray(buf_store, array.shape, stride, 0) - if((dtype === "float32" || dtype === "float64") && type === gl.UNSIGNED_BYTE) { - convertFloatToUint8(buf_array, array) - } else { - ops.assign(buf_array, array) - } - buffer = buf_store.subarray(0, sz) - } else { - var array_size = array.size - buffer = array.data.subarray(array.offset, array.offset + array_size) - } - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, shape[1], shape[0], 0, format, type, buffer) - if(!packed) { - pool.free(buf_store) - } - return new Texture2D(gl, tex, shape[1], shape[0], format, type) -} - -function createTexture2D(gl) { - if(arguments.length <= 1) { - throw new Error("Missing arguments for texture2d constructor") - } - if(!linearTypes) { - lazyInitLinearTypes(gl) - } - if(typeof arguments[1] === "number") { - return createTextureShape(gl, arguments[1], arguments[2], arguments[3]||gl.RGBA, arguments[4]||gl.UNSIGNED_BYTE) - } - if(Array.isArray(arguments[1])) { - return createTextureShape(gl, arguments[1][1]|0, arguments[1][0]|0, arguments[2]||gl.RGBA, arguments[4]||gl.UNSIGNED_BYTE) - } - if(typeof arguments[1] === "object") { - var obj = arguments[1] - if(obj instanceof HTMLCanvasElement || - obj instanceof HTMLImageElement || - obj instanceof HTMLVideoElement || - obj instanceof ImageData) { - return createTextureDOM(gl, obj, arguments[2]||gl.RGBA, arguments[3]||gl.UNSIGNED_BYTE) - } else if(obj.shape && obj.data && obj.stride) { - return createTextureArray(gl, obj) - } - } - throw new Error("Invalid arguments for texture2d constructor") -} -module.exports = createTexture2D - -},{"ndarray":74,"ndarray-ops":69,"typedarray-pool":78,"webglew":80}],82:[function(require,module,exports){ -module.exports = programify - -var shader = require('gl-shader-core') - -function programify(vertex, fragment, uniforms, attributes) { - return function(gl) { - return shader(gl, vertex, fragment, uniforms, attributes) - } -} - -},{"gl-shader-core":88}],83:[function(require,module,exports){ -module.exports = noop - -function noop() { - throw new Error( - 'You should bundle your code ' + - 'using `glslify` as a transform.' - ) -} - -},{}],84:[function(require,module,exports){ -"use strict" - -module.exports = createAttributeWrapper - -//Shader attribute class -function ShaderAttribute(gl, program, location, dimension, name, constFunc, relink) { - this._gl = gl - this._program = program - this._location = location - this._dimension = dimension - this._name = name - this._constFunc = constFunc - this._relink = relink -} - -var proto = ShaderAttribute.prototype - -proto.pointer = function setAttribPointer(type, normalized, stride, offset) { - var gl = this._gl - gl.vertexAttribPointer(this._location, this._dimension, type||gl.FLOAT, normalized?gl.TRUE:gl.FALSE, stride||0, offset||0) - this._gl.enableVertexAttribArray(this._location) -} - -Object.defineProperty(proto, "location", { - get: function() { - return this._location - } - , set: function(v) { - if(v !== this._location) { - this._location = v - this._gl.bindAttribLocation(this._program, v, this._name) - this._gl.linkProgram(this._program) - this._relink() - } - } -}) - - -//Adds a vector attribute to obj -function addVectorAttribute(gl, program, location, dimension, obj, name, doLink) { - var constFuncArgs = [ "gl", "v" ] - var varNames = [] - for(var i=0; i= 0) { - var d = type.charCodeAt(type.length-1) - 48 - if(d < 2 || d > 4) { - throw new Error("Invalid data type for attribute " + name + ": " + type) - } - addVectorAttribute(gl, program, location, d, obj, name, doLink) - } else { - throw new Error("Unknown data type for attribute " + name + ": " + type) - } - break - } - } - return obj -} - -},{}],85:[function(require,module,exports){ -"use strict" - -var dup = require("dup") -var coallesceUniforms = require("./reflect.js") - -module.exports = createUniformWrapper - -//Binds a function and returns a value -function identity(x) { - var c = new Function("y", "return function(){return y}") - return c(x) -} - -//Create shims for uniforms -function createUniformWrapper(gl, program, uniforms, locations) { - - function makeGetter(index) { - var proc = new Function("gl", "prog", "locations", - "return function(){return gl.getUniform(prog,locations[" + index + "])}") - return proc(gl, program, locations) - } - - function makePropSetter(path, index, type) { - switch(type) { - case "bool": - case "int": - case "sampler2D": - case "samplerCube": - return "gl.uniform1i(locations[" + index + "],obj" + path + ")" - case "float": - return "gl.uniform1f(locations[" + index + "],obj" + path + ")" - default: - var vidx = type.indexOf("vec") - if(0 <= vidx && vidx <= 1 && type.length === 4 + vidx) { - var d = type.charCodeAt(type.length-1) - 48 - if(d < 2 || d > 4) { - throw new Error("Invalid data type") - } - switch(type.charAt(0)) { - case "b": - case "i": - return "gl.uniform" + d + "iv(locations[" + index + "],obj" + path + ")" - case "v": - return "gl.uniform" + d + "fv(locations[" + index + "],obj" + path + ")" - default: - throw new Error("Unrecognized data type for vector " + name + ": " + type) - } - } else if(type.indexOf("mat") === 0 && type.length === 4) { - var d = type.charCodeAt(type.length-1) - 48 - if(d < 2 || d > 4) { - throw new Error("Invalid uniform dimension type for matrix " + name + ": " + type) - } - return "gl.uniformMatrix" + d + "fv(locations[" + index + "],false,obj" + path + ")" - } else { - throw new Error("Unknown uniform data type for " + name + ": " + type) - } - break - } - } - - function enumerateIndices(prefix, type) { - if(typeof type !== "object") { - return [ [prefix, type] ] - } - var indices = [] - for(var id in type) { - var prop = type[id] - var tprefix = prefix - if(parseInt(id) + "" === id) { - tprefix += "[" + id + "]" - } else { - tprefix += "." + id - } - if(typeof prop === "object") { - indices.push.apply(indices, enumerateIndices(tprefix, prop)) - } else { - indices.push([tprefix, prop]) - } - } - return indices - } - - function makeSetter(type) { - var code = [ "return function updateProperty(obj){" ] - var indices = enumerateIndices("", type) - for(var i=0; i 4) { - throw new Error("Invalid data type") - } - if(type.charAt(0) === "b") { - return dup(d, false) - } - return dup(d) - } else if(type.indexOf("mat") === 0 && type.length === 4) { - var d = type.charCodeAt(type.length-1) - 48 - if(d < 2 || d > 4) { - throw new Error("Invalid uniform dimension type for matrix " + name + ": " + type) - } - return dup([d,d]) - } else { - throw new Error("Unknown uniform data type for " + name + ": " + type) - } - break - } - } - - function storeProperty(obj, prop, type) { - if(typeof type === "object") { - var child = processObject(type) - Object.defineProperty(obj, prop, { - get: identity(child), - set: makeSetter(type), - enumerable: true, - configurable: false - }) - } else { - if(locations[type]) { - Object.defineProperty(obj, prop, { - get: makeGetter(type), - set: makeSetter(type), - enumerable: true, - configurable: false - }) - } else { - obj[prop] = defaultValue(uniforms[type].type) - } - } - } - - function processObject(obj) { - var result - if(Array.isArray(obj)) { - result = new Array(obj.length) - for(var i=0; i 1) { - if(!(x[0] in o)) { - o[x[0]] = [] - } - o = o[x[0]] - for(var k=1; k 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec2's - * - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {Number} dot product of a and b - */ -vec2.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1]; -}; - -/** - * Computes the cross product of two vec2's - * Note that the cross product must by definition produce a 3D vector - * - * @param {vec3} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @returns {vec3} out - */ -vec2.cross = function(out, a, b) { - var z = a[0] * b[1] - a[1] * b[0]; - out[0] = out[1] = 0; - out[2] = z; - return out; -}; - -/** - * Performs a linear interpolation between two vec2's - * - * @param {vec2} out the receiving vector - * @param {vec2} a the first operand - * @param {vec2} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec2} out - */ -vec2.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - return out; -}; - -/** - * Generates a random vector with the given scale - * - * @param {vec2} out the receiving vector - * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned - * @returns {vec2} out - */ -vec2.random = function (out, scale) { - scale = scale || 1.0; - var r = GLMAT_RANDOM() * 2.0 * Math.PI; - out[0] = Math.cos(r) * scale; - out[1] = Math.sin(r) * scale; - return out; -}; - -/** - * Transforms the vec2 with a mat2 - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y; - out[1] = m[1] * x + m[3] * y; - return out; -}; - -/** - * Transforms the vec2 with a mat2d - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat2d} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat2d = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[2] * y + m[4]; - out[1] = m[1] * x + m[3] * y + m[5]; - return out; -}; - -/** - * Transforms the vec2 with a mat3 - * 3rd vector component is implicitly '1' - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat3} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat3 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[3] * y + m[6]; - out[1] = m[1] * x + m[4] * y + m[7]; - return out; -}; - -/** - * Transforms the vec2 with a mat4 - * 3rd vector component is implicitly '0' - * 4th vector component is implicitly '1' - * - * @param {vec2} out the receiving vector - * @param {vec2} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec2} out - */ -vec2.transformMat4 = function(out, a, m) { - var x = a[0], - y = a[1]; - out[0] = m[0] * x + m[4] * y + m[12]; - out[1] = m[1] * x + m[5] * y + m[13]; - return out; -}; - -/** - * Perform some operation over an array of vec2s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec2.forEach = (function() { - var vec = vec2.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 2; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec2} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec2.str = function (a) { - return 'vec2(' + a[0] + ', ' + a[1] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec2 = vec2; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 3 Dimensional Vector - * @name vec3 - */ - -var vec3 = {}; - -/** - * Creates a new, empty vec3 - * - * @returns {vec3} a new 3D vector - */ -vec3.create = function() { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = 0; - out[1] = 0; - out[2] = 0; - return out; -}; - -/** - * Creates a new vec3 initialized with values from an existing vector - * - * @param {vec3} a vector to clone - * @returns {vec3} a new 3D vector - */ -vec3.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; - -/** - * Creates a new vec3 initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @returns {vec3} a new 3D vector - */ -vec3.fromValues = function(x, y, z) { - var out = new GLMAT_ARRAY_TYPE(3); - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; - -/** - * Copy the values from one vec3 to another - * - * @param {vec3} out the receiving vector - * @param {vec3} a the source vector - * @returns {vec3} out - */ -vec3.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - return out; -}; - -/** - * Set the components of a vec3 to the given values - * - * @param {vec3} out the receiving vector - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @returns {vec3} out - */ -vec3.set = function(out, x, y, z) { - out[0] = x; - out[1] = y; - out[2] = z; - return out; -}; - -/** - * Adds two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - return out; -}; - -/** - * Subtracts vector b from vector a - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - return out; -}; - -/** - * Alias for {@link vec3.subtract} - * @function - */ -vec3.sub = vec3.subtract; - -/** - * Multiplies two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - return out; -}; - -/** - * Alias for {@link vec3.multiply} - * @function - */ -vec3.mul = vec3.multiply; - -/** - * Divides two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - return out; -}; - -/** - * Alias for {@link vec3.divide} - * @function - */ -vec3.div = vec3.divide; - -/** - * Returns the minimum of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - return out; -}; - -/** - * Returns the maximum of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - return out; -}; - -/** - * Scales a vec3 by a scalar number - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {vec3} out - */ -vec3.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - return out; -}; - -/** - * Adds two vec3's after scaling the second operand by a scalar value - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @param {Number} scale the amount to scale b by before adding - * @returns {vec3} out - */ -vec3.scaleAndAdd = function(out, a, b, scale) { - out[0] = a[0] + (b[0] * scale); - out[1] = a[1] + (b[1] * scale); - out[2] = a[2] + (b[2] * scale); - return out; -}; - -/** - * Calculates the euclidian distance between two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} distance between a and b - */ -vec3.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.distance} - * @function - */ -vec3.dist = vec3.distance; - -/** - * Calculates the squared euclidian distance between two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} squared distance between a and b - */ -vec3.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredDistance} - * @function - */ -vec3.sqrDist = vec3.squaredDistance; - -/** - * Calculates the length of a vec3 - * - * @param {vec3} a vector to calculate length of - * @returns {Number} length of a - */ -vec3.length = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return Math.sqrt(x*x + y*y + z*z); -}; - -/** - * Alias for {@link vec3.length} - * @function - */ -vec3.len = vec3.length; - -/** - * Calculates the squared length of a vec3 - * - * @param {vec3} a vector to calculate squared length of - * @returns {Number} squared length of a - */ -vec3.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2]; - return x*x + y*y + z*z; -}; - -/** - * Alias for {@link vec3.squaredLength} - * @function - */ -vec3.sqrLen = vec3.squaredLength; - -/** - * Negates the components of a vec3 - * - * @param {vec3} out the receiving vector - * @param {vec3} a vector to negate - * @returns {vec3} out - */ -vec3.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - return out; -}; - -/** - * Normalize a vec3 - * - * @param {vec3} out the receiving vector - * @param {vec3} a vector to normalize - * @returns {vec3} out - */ -vec3.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2]; - var len = x*x + y*y + z*z; - if (len > 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec3's - * - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {Number} dot product of a and b - */ -vec3.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -}; - -/** - * Computes the cross product of two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @returns {vec3} out - */ -vec3.cross = function(out, a, b) { - var ax = a[0], ay = a[1], az = a[2], - bx = b[0], by = b[1], bz = b[2]; - - out[0] = ay * bz - az * by; - out[1] = az * bx - ax * bz; - out[2] = ax * by - ay * bx; - return out; -}; - -/** - * Performs a linear interpolation between two vec3's - * - * @param {vec3} out the receiving vector - * @param {vec3} a the first operand - * @param {vec3} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec3} out - */ -vec3.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - return out; -}; - -/** - * Generates a random vector with the given scale - * - * @param {vec3} out the receiving vector - * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned - * @returns {vec3} out - */ -vec3.random = function (out, scale) { - scale = scale || 1.0; - - var r = GLMAT_RANDOM() * 2.0 * Math.PI; - var z = (GLMAT_RANDOM() * 2.0) - 1.0; - var zScale = Math.sqrt(1.0-z*z) * scale; - - out[0] = Math.cos(r) * zScale; - out[1] = Math.sin(r) * zScale; - out[2] = z * scale; - return out; -}; - -/** - * Transforms the vec3 with a mat4. - * 4th vector component is implicitly '1' - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec3} out - */ -vec3.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2]; - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12]; - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13]; - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14]; - return out; -}; - -/** - * Transforms the vec3 with a mat3. - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to transform - * @param {mat4} m the 3x3 matrix to transform with - * @returns {vec3} out - */ -vec3.transformMat3 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2]; - out[0] = x * m[0] + y * m[3] + z * m[6]; - out[1] = x * m[1] + y * m[4] + z * m[7]; - out[2] = x * m[2] + y * m[5] + z * m[8]; - return out; -}; - -/** - * Transforms the vec3 with a quat - * - * @param {vec3} out the receiving vector - * @param {vec3} a the vector to transform - * @param {quat} q quaternion to transform with - * @returns {vec3} out - */ -vec3.transformQuat = function(out, a, q) { - // benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations - - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], - - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; - - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; - -/* -* Rotate a 3D vector around the x-axis -* @param {vec3} out The receiving vec3 -* @param {vec3} a The vec3 point to rotate -* @param {vec3} b The origin of the rotation -* @param {Number} c The angle of rotation -* @returns {vec3} out -*/ -vec3.rotateX = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; - - //perform rotation - r[0] = p[0]; - r[1] = p[1]*Math.cos(c) - p[2]*Math.sin(c); - r[2] = p[1]*Math.sin(c) + p[2]*Math.cos(c); - - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; - - return out; -}; - -/* -* Rotate a 3D vector around the y-axis -* @param {vec3} out The receiving vec3 -* @param {vec3} a The vec3 point to rotate -* @param {vec3} b The origin of the rotation -* @param {Number} c The angle of rotation -* @returns {vec3} out -*/ -vec3.rotateY = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; - - //perform rotation - r[0] = p[2]*Math.sin(c) + p[0]*Math.cos(c); - r[1] = p[1]; - r[2] = p[2]*Math.cos(c) - p[0]*Math.sin(c); - - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; - - return out; -}; - -/* -* Rotate a 3D vector around the z-axis -* @param {vec3} out The receiving vec3 -* @param {vec3} a The vec3 point to rotate -* @param {vec3} b The origin of the rotation -* @param {Number} c The angle of rotation -* @returns {vec3} out -*/ -vec3.rotateZ = function(out, a, b, c){ - var p = [], r=[]; - //Translate point to the origin - p[0] = a[0] - b[0]; - p[1] = a[1] - b[1]; - p[2] = a[2] - b[2]; - - //perform rotation - r[0] = p[0]*Math.cos(c) - p[1]*Math.sin(c); - r[1] = p[0]*Math.sin(c) + p[1]*Math.cos(c); - r[2] = p[2]; - - //translate to correct position - out[0] = r[0] + b[0]; - out[1] = r[1] + b[1]; - out[2] = r[2] + b[2]; - - return out; -}; - -/** - * Perform some operation over an array of vec3s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec3.forEach = (function() { - var vec = vec3.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 3; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec3} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec3.str = function (a) { - return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec3 = vec3; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 4 Dimensional Vector - * @name vec4 - */ - -var vec4 = {}; - -/** - * Creates a new, empty vec4 - * - * @returns {vec4} a new 4D vector - */ -vec4.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 0; - return out; -}; - -/** - * Creates a new vec4 initialized with values from an existing vector - * - * @param {vec4} a vector to clone - * @returns {vec4} a new 4D vector - */ -vec4.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Creates a new vec4 initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {vec4} a new 4D vector - */ -vec4.fromValues = function(x, y, z, w) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; - -/** - * Copy the values from one vec4 to another - * - * @param {vec4} out the receiving vector - * @param {vec4} a the source vector - * @returns {vec4} out - */ -vec4.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Set the components of a vec4 to the given values - * - * @param {vec4} out the receiving vector - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {vec4} out - */ -vec4.set = function(out, x, y, z, w) { - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = w; - return out; -}; - -/** - * Adds two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.add = function(out, a, b) { - out[0] = a[0] + b[0]; - out[1] = a[1] + b[1]; - out[2] = a[2] + b[2]; - out[3] = a[3] + b[3]; - return out; -}; - -/** - * Subtracts vector b from vector a - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.subtract = function(out, a, b) { - out[0] = a[0] - b[0]; - out[1] = a[1] - b[1]; - out[2] = a[2] - b[2]; - out[3] = a[3] - b[3]; - return out; -}; - -/** - * Alias for {@link vec4.subtract} - * @function - */ -vec4.sub = vec4.subtract; - -/** - * Multiplies two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.multiply = function(out, a, b) { - out[0] = a[0] * b[0]; - out[1] = a[1] * b[1]; - out[2] = a[2] * b[2]; - out[3] = a[3] * b[3]; - return out; -}; - -/** - * Alias for {@link vec4.multiply} - * @function - */ -vec4.mul = vec4.multiply; - -/** - * Divides two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.divide = function(out, a, b) { - out[0] = a[0] / b[0]; - out[1] = a[1] / b[1]; - out[2] = a[2] / b[2]; - out[3] = a[3] / b[3]; - return out; -}; - -/** - * Alias for {@link vec4.divide} - * @function - */ -vec4.div = vec4.divide; - -/** - * Returns the minimum of two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.min = function(out, a, b) { - out[0] = Math.min(a[0], b[0]); - out[1] = Math.min(a[1], b[1]); - out[2] = Math.min(a[2], b[2]); - out[3] = Math.min(a[3], b[3]); - return out; -}; - -/** - * Returns the maximum of two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {vec4} out - */ -vec4.max = function(out, a, b) { - out[0] = Math.max(a[0], b[0]); - out[1] = Math.max(a[1], b[1]); - out[2] = Math.max(a[2], b[2]); - out[3] = Math.max(a[3], b[3]); - return out; -}; - -/** - * Scales a vec4 by a scalar number - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {vec4} out - */ -vec4.scale = function(out, a, b) { - out[0] = a[0] * b; - out[1] = a[1] * b; - out[2] = a[2] * b; - out[3] = a[3] * b; - return out; -}; - -/** - * Adds two vec4's after scaling the second operand by a scalar value - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @param {Number} scale the amount to scale b by before adding - * @returns {vec4} out - */ -vec4.scaleAndAdd = function(out, a, b, scale) { - out[0] = a[0] + (b[0] * scale); - out[1] = a[1] + (b[1] * scale); - out[2] = a[2] + (b[2] * scale); - out[3] = a[3] + (b[3] * scale); - return out; -}; - -/** - * Calculates the euclidian distance between two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} distance between a and b - */ -vec4.distance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.distance} - * @function - */ -vec4.dist = vec4.distance; - -/** - * Calculates the squared euclidian distance between two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} squared distance between a and b - */ -vec4.squaredDistance = function(a, b) { - var x = b[0] - a[0], - y = b[1] - a[1], - z = b[2] - a[2], - w = b[3] - a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredDistance} - * @function - */ -vec4.sqrDist = vec4.squaredDistance; - -/** - * Calculates the length of a vec4 - * - * @param {vec4} a vector to calculate length of - * @returns {Number} length of a - */ -vec4.length = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return Math.sqrt(x*x + y*y + z*z + w*w); -}; - -/** - * Alias for {@link vec4.length} - * @function - */ -vec4.len = vec4.length; - -/** - * Calculates the squared length of a vec4 - * - * @param {vec4} a vector to calculate squared length of - * @returns {Number} squared length of a - */ -vec4.squaredLength = function (a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - return x*x + y*y + z*z + w*w; -}; - -/** - * Alias for {@link vec4.squaredLength} - * @function - */ -vec4.sqrLen = vec4.squaredLength; - -/** - * Negates the components of a vec4 - * - * @param {vec4} out the receiving vector - * @param {vec4} a vector to negate - * @returns {vec4} out - */ -vec4.negate = function(out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = -a[3]; - return out; -}; - -/** - * Normalize a vec4 - * - * @param {vec4} out the receiving vector - * @param {vec4} a vector to normalize - * @returns {vec4} out - */ -vec4.normalize = function(out, a) { - var x = a[0], - y = a[1], - z = a[2], - w = a[3]; - var len = x*x + y*y + z*z + w*w; - if (len > 0) { - len = 1 / Math.sqrt(len); - out[0] = a[0] * len; - out[1] = a[1] * len; - out[2] = a[2] * len; - out[3] = a[3] * len; - } - return out; -}; - -/** - * Calculates the dot product of two vec4's - * - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @returns {Number} dot product of a and b - */ -vec4.dot = function (a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; -}; - -/** - * Performs a linear interpolation between two vec4's - * - * @param {vec4} out the receiving vector - * @param {vec4} a the first operand - * @param {vec4} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {vec4} out - */ -vec4.lerp = function (out, a, b, t) { - var ax = a[0], - ay = a[1], - az = a[2], - aw = a[3]; - out[0] = ax + t * (b[0] - ax); - out[1] = ay + t * (b[1] - ay); - out[2] = az + t * (b[2] - az); - out[3] = aw + t * (b[3] - aw); - return out; -}; - -/** - * Generates a random vector with the given scale - * - * @param {vec4} out the receiving vector - * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned - * @returns {vec4} out - */ -vec4.random = function (out, scale) { - scale = scale || 1.0; - - //TODO: This is a pretty awful way of doing this. Find something better. - out[0] = GLMAT_RANDOM(); - out[1] = GLMAT_RANDOM(); - out[2] = GLMAT_RANDOM(); - out[3] = GLMAT_RANDOM(); - vec4.normalize(out, out); - vec4.scale(out, out, scale); - return out; -}; - -/** - * Transforms the vec4 with a mat4. - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec4} out - */ -vec4.transformMat4 = function(out, a, m) { - var x = a[0], y = a[1], z = a[2], w = a[3]; - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w; - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w; - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w; - out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w; - return out; -}; - -/** - * Transforms the vec4 with a quat - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {quat} q quaternion to transform with - * @returns {vec4} out - */ -vec4.transformQuat = function(out, a, q) { - var x = a[0], y = a[1], z = a[2], - qx = q[0], qy = q[1], qz = q[2], qw = q[3], - - // calculate quat * vec - ix = qw * x + qy * z - qz * y, - iy = qw * y + qz * x - qx * z, - iz = qw * z + qx * y - qy * x, - iw = -qx * x - qy * y - qz * z; - - // calculate result * inverse quat - out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy; - out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz; - out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx; - return out; -}; - -/** - * Perform some operation over an array of vec4s. - * - * @param {Array} a the array of vectors to iterate over - * @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed - * @param {Number} offset Number of elements to skip at the beginning of the array - * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array - * @param {Function} fn Function to call for each vector in the array - * @param {Object} [arg] additional argument to pass to fn - * @returns {Array} a - * @function - */ -vec4.forEach = (function() { - var vec = vec4.create(); - - return function(a, stride, offset, count, fn, arg) { - var i, l; - if(!stride) { - stride = 4; - } - - if(!offset) { - offset = 0; - } - - if(count) { - l = Math.min((count * stride) + offset, a.length); - } else { - l = a.length; - } - - for(i = offset; i < l; i += stride) { - vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3]; - fn(vec, vec, arg); - a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3]; - } - - return a; - }; -})(); - -/** - * Returns a string representation of a vector - * - * @param {vec4} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -vec4.str = function (a) { - return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.vec4 = vec4; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 2x2 Matrix - * @name mat2 - */ - -var mat2 = {}; - -/** - * Creates a new identity mat2 - * - * @returns {mat2} a new 2x2 matrix - */ -mat2.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Creates a new mat2 initialized with values from an existing matrix - * - * @param {mat2} a matrix to clone - * @returns {mat2} a new 2x2 matrix - */ -mat2.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Copy the values from one mat2 to another - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Set a mat2 to the identity matrix - * - * @param {mat2} out the receiving matrix - * @returns {mat2} out - */ -mat2.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Transpose the values of a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a1 = a[1]; - out[1] = a[2]; - out[2] = a1; - } else { - out[0] = a[0]; - out[1] = a[2]; - out[2] = a[1]; - out[3] = a[3]; - } - - return out; -}; - -/** - * Inverts a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.invert = function(out, a) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - - // Calculate the determinant - det = a0 * a3 - a2 * a1; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = a3 * det; - out[1] = -a1 * det; - out[2] = -a2 * det; - out[3] = a0 * det; - - return out; -}; - -/** - * Calculates the adjugate of a mat2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the source matrix - * @returns {mat2} out - */ -mat2.adjoint = function(out, a) { - // Caching this value is nessecary if out == a - var a0 = a[0]; - out[0] = a[3]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = a0; - - return out; -}; - -/** - * Calculates the determinant of a mat2 - * - * @param {mat2} a the source matrix - * @returns {Number} determinant of a - */ -mat2.determinant = function (a) { - return a[0] * a[3] - a[2] * a[1]; -}; - -/** - * Multiplies two mat2's - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the first operand - * @param {mat2} b the second operand - * @returns {mat2} out - */ -mat2.multiply = function (out, a, b) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3]; - var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3]; - out[0] = a0 * b0 + a2 * b1; - out[1] = a1 * b0 + a3 * b1; - out[2] = a0 * b2 + a2 * b3; - out[3] = a1 * b2 + a3 * b3; - return out; -}; - -/** - * Alias for {@link mat2.multiply} - * @function - */ -mat2.mul = mat2.multiply; - -/** - * Rotates a mat2 by the given angle - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat2} out - */ -mat2.rotate = function (out, a, rad) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - s = Math.sin(rad), - c = Math.cos(rad); - out[0] = a0 * c + a2 * s; - out[1] = a1 * c + a3 * s; - out[2] = a0 * -s + a2 * c; - out[3] = a1 * -s + a3 * c; - return out; -}; - -/** - * Scales the mat2 by the dimensions in the given vec2 - * - * @param {mat2} out the receiving matrix - * @param {mat2} a the matrix to rotate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat2} out - **/ -mat2.scale = function(out, a, v) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - v0 = v[0], v1 = v[1]; - out[0] = a0 * v0; - out[1] = a1 * v0; - out[2] = a2 * v1; - out[3] = a3 * v1; - return out; -}; - -/** - * Returns a string representation of a mat2 - * - * @param {mat2} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat2.str = function (a) { - return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -/** - * Returns Frobenius norm of a mat2 - * - * @param {mat2} a the matrix to calculate Frobenius norm of - * @returns {Number} Frobenius norm - */ -mat2.frob = function (a) { - return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2))) -}; - -/** - * Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix - * @param {mat2} L the lower triangular matrix - * @param {mat2} D the diagonal matrix - * @param {mat2} U the upper triangular matrix - * @param {mat2} a the input matrix to factorize - */ - -mat2.LDU = function (L, D, U, a) { - L[2] = a[2]/a[0]; - U[0] = a[0]; - U[1] = a[1]; - U[3] = a[3] - L[2] * U[1]; - return [L, D, U]; -}; - -if(typeof(exports) !== 'undefined') { - exports.mat2 = mat2; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 2x3 Matrix - * @name mat2d - * - * @description - * A mat2d contains six elements defined as: - * 
    - * [a, c, tx,
- *  b, d, ty]
- *
    - * This is a short form for the 3x3 matrix: - * 
    - * [a, c, tx,
- *  b, d, ty,
- *  0, 0, 1]
- *
    - * The last row is ignored so the array is shorter and operations are faster. - */ - -var mat2d = {}; - -/** - * Creates a new identity mat2d - * - * @returns {mat2d} a new 2x3 matrix - */ -mat2d.create = function() { - var out = new GLMAT_ARRAY_TYPE(6); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - out[4] = 0; - out[5] = 0; - return out; -}; - -/** - * Creates a new mat2d initialized with values from an existing matrix - * - * @param {mat2d} a matrix to clone - * @returns {mat2d} a new 2x3 matrix - */ -mat2d.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(6); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - return out; -}; - -/** - * Copy the values from one mat2d to another - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the source matrix - * @returns {mat2d} out - */ -mat2d.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - return out; -}; - -/** - * Set a mat2d to the identity matrix - * - * @param {mat2d} out the receiving matrix - * @returns {mat2d} out - */ -mat2d.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 1; - out[4] = 0; - out[5] = 0; - return out; -}; - -/** - * Inverts a mat2d - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the source matrix - * @returns {mat2d} out - */ -mat2d.invert = function(out, a) { - var aa = a[0], ab = a[1], ac = a[2], ad = a[3], - atx = a[4], aty = a[5]; - - var det = aa * ad - ab * ac; - if(!det){ - return null; - } - det = 1.0 / det; - - out[0] = ad * det; - out[1] = -ab * det; - out[2] = -ac * det; - out[3] = aa * det; - out[4] = (ac * aty - ad * atx) * det; - out[5] = (ab * atx - aa * aty) * det; - return out; -}; - -/** - * Calculates the determinant of a mat2d - * - * @param {mat2d} a the source matrix - * @returns {Number} determinant of a - */ -mat2d.determinant = function (a) { - return a[0] * a[3] - a[1] * a[2]; -}; - -/** - * Multiplies two mat2d's - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the first operand - * @param {mat2d} b the second operand - * @returns {mat2d} out - */ -mat2d.multiply = function (out, a, b) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5], - b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5]; - out[0] = a0 * b0 + a2 * b1; - out[1] = a1 * b0 + a3 * b1; - out[2] = a0 * b2 + a2 * b3; - out[3] = a1 * b2 + a3 * b3; - out[4] = a0 * b4 + a2 * b5 + a4; - out[5] = a1 * b4 + a3 * b5 + a5; - return out; -}; - -/** - * Alias for {@link mat2d.multiply} - * @function - */ -mat2d.mul = mat2d.multiply; - - -/** - * Rotates a mat2d by the given angle - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat2d} out - */ -mat2d.rotate = function (out, a, rad) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5], - s = Math.sin(rad), - c = Math.cos(rad); - out[0] = a0 * c + a2 * s; - out[1] = a1 * c + a3 * s; - out[2] = a0 * -s + a2 * c; - out[3] = a1 * -s + a3 * c; - out[4] = a4; - out[5] = a5; - return out; -}; - -/** - * Scales the mat2d by the dimensions in the given vec2 - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to translate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat2d} out - **/ -mat2d.scale = function(out, a, v) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5], - v0 = v[0], v1 = v[1]; - out[0] = a0 * v0; - out[1] = a1 * v0; - out[2] = a2 * v1; - out[3] = a3 * v1; - out[4] = a4; - out[5] = a5; - return out; -}; - -/** - * Translates the mat2d by the dimensions in the given vec2 - * - * @param {mat2d} out the receiving matrix - * @param {mat2d} a the matrix to translate - * @param {vec2} v the vec2 to translate the matrix by - * @returns {mat2d} out - **/ -mat2d.translate = function(out, a, v) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5], - v0 = v[0], v1 = v[1]; - out[0] = a0; - out[1] = a1; - out[2] = a2; - out[3] = a3; - out[4] = a0 * v0 + a2 * v1 + a4; - out[5] = a1 * v0 + a3 * v1 + a5; - return out; -}; - -/** - * Returns a string representation of a mat2d - * - * @param {mat2d} a matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat2d.str = function (a) { - return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + - a[3] + ', ' + a[4] + ', ' + a[5] + ')'; -}; - -/** - * Returns Frobenius norm of a mat2d - * - * @param {mat2d} a the matrix to calculate Frobenius norm of - * @returns {Number} Frobenius norm - */ -mat2d.frob = function (a) { - return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1)) -}; - -if(typeof(exports) !== 'undefined') { - exports.mat2d = mat2d; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 3x3 Matrix - * @name mat3 - */ - -var mat3 = {}; - -/** - * Creates a new identity mat3 - * - * @returns {mat3} a new 3x3 matrix - */ -mat3.create = function() { - var out = new GLMAT_ARRAY_TYPE(9); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 1; - out[5] = 0; - out[6] = 0; - out[7] = 0; - out[8] = 1; - return out; -}; - -/** - * Copies the upper-left 3x3 values into the given mat3. - * - * @param {mat3} out the receiving 3x3 matrix - * @param {mat4} a the source 4x4 matrix - * @returns {mat3} out - */ -mat3.fromMat4 = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[4]; - out[4] = a[5]; - out[5] = a[6]; - out[6] = a[8]; - out[7] = a[9]; - out[8] = a[10]; - return out; -}; - -/** - * Creates a new mat3 initialized with values from an existing matrix - * - * @param {mat3} a matrix to clone - * @returns {mat3} a new 3x3 matrix - */ -mat3.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(9); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Copy the values from one mat3 to another - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Set a mat3 to the identity matrix - * - * @param {mat3} out the receiving matrix - * @returns {mat3} out - */ -mat3.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 1; - out[5] = 0; - out[6] = 0; - out[7] = 0; - out[8] = 1; - return out; -}; - -/** - * Transpose the values of a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a01 = a[1], a02 = a[2], a12 = a[5]; - out[1] = a[3]; - out[2] = a[6]; - out[3] = a01; - out[5] = a[7]; - out[6] = a02; - out[7] = a12; - } else { - out[0] = a[0]; - out[1] = a[3]; - out[2] = a[6]; - out[3] = a[1]; - out[4] = a[4]; - out[5] = a[7]; - out[6] = a[2]; - out[7] = a[5]; - out[8] = a[8]; - } - - return out; -}; - -/** - * Inverts a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.invert = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - b01 = a22 * a11 - a12 * a21, - b11 = -a22 * a10 + a12 * a20, - b21 = a21 * a10 - a11 * a20, - - // Calculate the determinant - det = a00 * b01 + a01 * b11 + a02 * b21; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = b01 * det; - out[1] = (-a22 * a01 + a02 * a21) * det; - out[2] = (a12 * a01 - a02 * a11) * det; - out[3] = b11 * det; - out[4] = (a22 * a00 - a02 * a20) * det; - out[5] = (-a12 * a00 + a02 * a10) * det; - out[6] = b21 * det; - out[7] = (-a21 * a00 + a01 * a20) * det; - out[8] = (a11 * a00 - a01 * a10) * det; - return out; -}; - -/** - * Calculates the adjugate of a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the source matrix - * @returns {mat3} out - */ -mat3.adjoint = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8]; - - out[0] = (a11 * a22 - a12 * a21); - out[1] = (a02 * a21 - a01 * a22); - out[2] = (a01 * a12 - a02 * a11); - out[3] = (a12 * a20 - a10 * a22); - out[4] = (a00 * a22 - a02 * a20); - out[5] = (a02 * a10 - a00 * a12); - out[6] = (a10 * a21 - a11 * a20); - out[7] = (a01 * a20 - a00 * a21); - out[8] = (a00 * a11 - a01 * a10); - return out; -}; - -/** - * Calculates the determinant of a mat3 - * - * @param {mat3} a the source matrix - * @returns {Number} determinant of a - */ -mat3.determinant = function (a) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8]; - - return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20); -}; - -/** - * Multiplies two mat3's - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the first operand - * @param {mat3} b the second operand - * @returns {mat3} out - */ -mat3.multiply = function (out, a, b) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - b00 = b[0], b01 = b[1], b02 = b[2], - b10 = b[3], b11 = b[4], b12 = b[5], - b20 = b[6], b21 = b[7], b22 = b[8]; - - out[0] = b00 * a00 + b01 * a10 + b02 * a20; - out[1] = b00 * a01 + b01 * a11 + b02 * a21; - out[2] = b00 * a02 + b01 * a12 + b02 * a22; - - out[3] = b10 * a00 + b11 * a10 + b12 * a20; - out[4] = b10 * a01 + b11 * a11 + b12 * a21; - out[5] = b10 * a02 + b11 * a12 + b12 * a22; - - out[6] = b20 * a00 + b21 * a10 + b22 * a20; - out[7] = b20 * a01 + b21 * a11 + b22 * a21; - out[8] = b20 * a02 + b21 * a12 + b22 * a22; - return out; -}; - -/** - * Alias for {@link mat3.multiply} - * @function - */ -mat3.mul = mat3.multiply; - -/** - * Translate a mat3 by the given vector - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to translate - * @param {vec2} v vector to translate by - * @returns {mat3} out - */ -mat3.translate = function(out, a, v) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - x = v[0], y = v[1]; - - out[0] = a00; - out[1] = a01; - out[2] = a02; - - out[3] = a10; - out[4] = a11; - out[5] = a12; - - out[6] = x * a00 + y * a10 + a20; - out[7] = x * a01 + y * a11 + a21; - out[8] = x * a02 + y * a12 + a22; - return out; -}; - -/** - * Rotates a mat3 by the given angle - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat3} out - */ -mat3.rotate = function (out, a, rad) { - var a00 = a[0], a01 = a[1], a02 = a[2], - a10 = a[3], a11 = a[4], a12 = a[5], - a20 = a[6], a21 = a[7], a22 = a[8], - - s = Math.sin(rad), - c = Math.cos(rad); - - out[0] = c * a00 + s * a10; - out[1] = c * a01 + s * a11; - out[2] = c * a02 + s * a12; - - out[3] = c * a10 - s * a00; - out[4] = c * a11 - s * a01; - out[5] = c * a12 - s * a02; - - out[6] = a20; - out[7] = a21; - out[8] = a22; - return out; -}; - -/** - * Scales the mat3 by the dimensions in the given vec2 - * - * @param {mat3} out the receiving matrix - * @param {mat3} a the matrix to rotate - * @param {vec2} v the vec2 to scale the matrix by - * @returns {mat3} out - **/ -mat3.scale = function(out, a, v) { - var x = v[0], y = v[1]; - - out[0] = x * a[0]; - out[1] = x * a[1]; - out[2] = x * a[2]; - - out[3] = y * a[3]; - out[4] = y * a[4]; - out[5] = y * a[5]; - - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - return out; -}; - -/** - * Copies the values from a mat2d into a mat3 - * - * @param {mat3} out the receiving matrix - * @param {mat2d} a the matrix to copy - * @returns {mat3} out - **/ -mat3.fromMat2d = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = 0; - - out[3] = a[2]; - out[4] = a[3]; - out[5] = 0; - - out[6] = a[4]; - out[7] = a[5]; - out[8] = 1; - return out; -}; - -/** -* Calculates a 3x3 matrix from the given quaternion -* -* @param {mat3} out mat3 receiving operation result -* @param {quat} q Quaternion to create matrix from -* -* @returns {mat3} out -*/ -mat3.fromQuat = function (out, q) { - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - yx = y * x2, - yy = y * y2, - zx = z * x2, - zy = z * y2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - yy - zz; - out[3] = yx - wz; - out[6] = zx + wy; - - out[1] = yx + wz; - out[4] = 1 - xx - zz; - out[7] = zy - wx; - - out[2] = zx - wy; - out[5] = zy + wx; - out[8] = 1 - xx - yy; - - return out; -}; - -/** -* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix -* -* @param {mat3} out mat3 receiving operation result -* @param {mat4} a Mat4 to derive the normal matrix from -* -* @returns {mat3} out -*/ -mat3.normalFromMat4 = function (out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], - - b00 = a00 * a11 - a01 * a10, - b01 = a00 * a12 - a02 * a10, - b02 = a00 * a13 - a03 * a10, - b03 = a01 * a12 - a02 * a11, - b04 = a01 * a13 - a03 * a11, - b05 = a02 * a13 - a03 * a12, - b06 = a20 * a31 - a21 * a30, - b07 = a20 * a32 - a22 * a30, - b08 = a20 * a33 - a23 * a30, - b09 = a21 * a32 - a22 * a31, - b10 = a21 * a33 - a23 * a31, - b11 = a22 * a33 - a23 * a32, - - // Calculate the determinant - det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det; - out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det; - out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det; - - out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det; - out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det; - out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det; - - out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det; - out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det; - out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det; - - return out; -}; - -/** - * Returns a string representation of a mat3 - * - * @param {mat3} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat3.str = function (a) { - return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + - a[3] + ', ' + a[4] + ', ' + a[5] + ', ' + - a[6] + ', ' + a[7] + ', ' + a[8] + ')'; -}; - -/** - * Returns Frobenius norm of a mat3 - * - * @param {mat3} a the matrix to calculate Frobenius norm of - * @returns {Number} Frobenius norm - */ -mat3.frob = function (a) { - return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2))) -}; - - -if(typeof(exports) !== 'undefined') { - exports.mat3 = mat3; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class 4x4 Matrix - * @name mat4 - */ - -var mat4 = {}; - -/** - * Creates a new identity mat4 - * - * @returns {mat4} a new 4x4 matrix - */ -mat4.create = function() { - var out = new GLMAT_ARRAY_TYPE(16); - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = 1; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 1; - out[11] = 0; - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - return out; -}; - -/** - * Creates a new mat4 initialized with values from an existing matrix - * - * @param {mat4} a matrix to clone - * @returns {mat4} a new 4x4 matrix - */ -mat4.clone = function(a) { - var out = new GLMAT_ARRAY_TYPE(16); - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Copy the values from one mat4 to another - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.copy = function(out, a) { - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Set a mat4 to the identity matrix - * - * @param {mat4} out the receiving matrix - * @returns {mat4} out - */ -mat4.identity = function(out) { - out[0] = 1; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = 1; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 1; - out[11] = 0; - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - return out; -}; - -/** - * Transpose the values of a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.transpose = function(out, a) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - if (out === a) { - var a01 = a[1], a02 = a[2], a03 = a[3], - a12 = a[6], a13 = a[7], - a23 = a[11]; - - out[1] = a[4]; - out[2] = a[8]; - out[3] = a[12]; - out[4] = a01; - out[6] = a[9]; - out[7] = a[13]; - out[8] = a02; - out[9] = a12; - out[11] = a[14]; - out[12] = a03; - out[13] = a13; - out[14] = a23; - } else { - out[0] = a[0]; - out[1] = a[4]; - out[2] = a[8]; - out[3] = a[12]; - out[4] = a[1]; - out[5] = a[5]; - out[6] = a[9]; - out[7] = a[13]; - out[8] = a[2]; - out[9] = a[6]; - out[10] = a[10]; - out[11] = a[14]; - out[12] = a[3]; - out[13] = a[7]; - out[14] = a[11]; - out[15] = a[15]; - } - - return out; -}; - -/** - * Inverts a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.invert = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], - - b00 = a00 * a11 - a01 * a10, - b01 = a00 * a12 - a02 * a10, - b02 = a00 * a13 - a03 * a10, - b03 = a01 * a12 - a02 * a11, - b04 = a01 * a13 - a03 * a11, - b05 = a02 * a13 - a03 * a12, - b06 = a20 * a31 - a21 * a30, - b07 = a20 * a32 - a22 * a30, - b08 = a20 * a33 - a23 * a30, - b09 = a21 * a32 - a22 * a31, - b10 = a21 * a33 - a23 * a31, - b11 = a22 * a33 - a23 * a32, - - // Calculate the determinant - det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; - - if (!det) { - return null; - } - det = 1.0 / det; - - out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det; - out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det; - out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det; - out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det; - out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det; - out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det; - out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det; - out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det; - out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det; - out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det; - out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det; - out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det; - out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det; - out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det; - out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det; - out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det; - - return out; -}; - -/** - * Calculates the adjugate of a mat4 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the source matrix - * @returns {mat4} out - */ -mat4.adjoint = function(out, a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15]; - - out[0] = (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22)); - out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22)); - out[2] = (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12)); - out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12)); - out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22)); - out[5] = (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22)); - out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12)); - out[7] = (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12)); - out[8] = (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21)); - out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21)); - out[10] = (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11)); - out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11)); - out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21)); - out[13] = (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21)); - out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11)); - out[15] = (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11)); - return out; -}; - -/** - * Calculates the determinant of a mat4 - * - * @param {mat4} a the source matrix - * @returns {Number} determinant of a - */ -mat4.determinant = function (a) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15], - - b00 = a00 * a11 - a01 * a10, - b01 = a00 * a12 - a02 * a10, - b02 = a00 * a13 - a03 * a10, - b03 = a01 * a12 - a02 * a11, - b04 = a01 * a13 - a03 * a11, - b05 = a02 * a13 - a03 * a12, - b06 = a20 * a31 - a21 * a30, - b07 = a20 * a32 - a22 * a30, - b08 = a20 * a33 - a23 * a30, - b09 = a21 * a32 - a22 * a31, - b10 = a21 * a33 - a23 * a31, - b11 = a22 * a33 - a23 * a32; - - // Calculate the determinant - return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; -}; - -/** - * Multiplies two mat4's - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the first operand - * @param {mat4} b the second operand - * @returns {mat4} out - */ -mat4.multiply = function (out, a, b) { - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3], - a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7], - a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11], - a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15]; - - // Cache only the current line of the second matrix - var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3]; - out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7]; - out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11]; - out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - - b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15]; - out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30; - out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31; - out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32; - out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33; - return out; -}; - -/** - * Alias for {@link mat4.multiply} - * @function - */ -mat4.mul = mat4.multiply; - -/** - * Translate a mat4 by the given vector - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to translate - * @param {vec3} v vector to translate by - * @returns {mat4} out - */ -mat4.translate = function (out, a, v) { - var x = v[0], y = v[1], z = v[2], - a00, a01, a02, a03, - a10, a11, a12, a13, - a20, a21, a22, a23; - - if (a === out) { - out[12] = a[0] * x + a[4] * y + a[8] * z + a[12]; - out[13] = a[1] * x + a[5] * y + a[9] * z + a[13]; - out[14] = a[2] * x + a[6] * y + a[10] * z + a[14]; - out[15] = a[3] * x + a[7] * y + a[11] * z + a[15]; - } else { - a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3]; - a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7]; - a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11]; - - out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03; - out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13; - out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23; - - out[12] = a00 * x + a10 * y + a20 * z + a[12]; - out[13] = a01 * x + a11 * y + a21 * z + a[13]; - out[14] = a02 * x + a12 * y + a22 * z + a[14]; - out[15] = a03 * x + a13 * y + a23 * z + a[15]; - } - - return out; -}; - -/** - * Scales the mat4 by the dimensions in the given vec3 - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to scale - * @param {vec3} v the vec3 to scale the matrix by - * @returns {mat4} out - **/ -mat4.scale = function(out, a, v) { - var x = v[0], y = v[1], z = v[2]; - - out[0] = a[0] * x; - out[1] = a[1] * x; - out[2] = a[2] * x; - out[3] = a[3] * x; - out[4] = a[4] * y; - out[5] = a[5] * y; - out[6] = a[6] * y; - out[7] = a[7] * y; - out[8] = a[8] * z; - out[9] = a[9] * z; - out[10] = a[10] * z; - out[11] = a[11] * z; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - return out; -}; - -/** - * Rotates a mat4 by the given angle - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @param {vec3} axis the axis to rotate around - * @returns {mat4} out - */ -mat4.rotate = function (out, a, rad, axis) { - var x = axis[0], y = axis[1], z = axis[2], - len = Math.sqrt(x * x + y * y + z * z), - s, c, t, - a00, a01, a02, a03, - a10, a11, a12, a13, - a20, a21, a22, a23, - b00, b01, b02, - b10, b11, b12, - b20, b21, b22; - - if (Math.abs(len) < GLMAT_EPSILON) { return null; } - - len = 1 / len; - x *= len; - y *= len; - z *= len; - - s = Math.sin(rad); - c = Math.cos(rad); - t = 1 - c; - - a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3]; - a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7]; - a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11]; - - // Construct the elements of the rotation matrix - b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s; - b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s; - b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c; - - // Perform rotation-specific matrix multiplication - out[0] = a00 * b00 + a10 * b01 + a20 * b02; - out[1] = a01 * b00 + a11 * b01 + a21 * b02; - out[2] = a02 * b00 + a12 * b01 + a22 * b02; - out[3] = a03 * b00 + a13 * b01 + a23 * b02; - out[4] = a00 * b10 + a10 * b11 + a20 * b12; - out[5] = a01 * b10 + a11 * b11 + a21 * b12; - out[6] = a02 * b10 + a12 * b11 + a22 * b12; - out[7] = a03 * b10 + a13 * b11 + a23 * b12; - out[8] = a00 * b20 + a10 * b21 + a20 * b22; - out[9] = a01 * b20 + a11 * b21 + a21 * b22; - out[10] = a02 * b20 + a12 * b21 + a22 * b22; - out[11] = a03 * b20 + a13 * b21 + a23 * b22; - - if (a !== out) { // If the source and destination differ, copy the unchanged last row - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - return out; -}; - -/** - * Rotates a matrix by the given angle around the X axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateX = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a10 = a[4], - a11 = a[5], - a12 = a[6], - a13 = a[7], - a20 = a[8], - a21 = a[9], - a22 = a[10], - a23 = a[11]; - - if (a !== out) { // If the source and destination differ, copy the unchanged rows - out[0] = a[0]; - out[1] = a[1]; - out[2] = a[2]; - out[3] = a[3]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[4] = a10 * c + a20 * s; - out[5] = a11 * c + a21 * s; - out[6] = a12 * c + a22 * s; - out[7] = a13 * c + a23 * s; - out[8] = a20 * c - a10 * s; - out[9] = a21 * c - a11 * s; - out[10] = a22 * c - a12 * s; - out[11] = a23 * c - a13 * s; - return out; -}; - -/** - * Rotates a matrix by the given angle around the Y axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateY = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a00 = a[0], - a01 = a[1], - a02 = a[2], - a03 = a[3], - a20 = a[8], - a21 = a[9], - a22 = a[10], - a23 = a[11]; - - if (a !== out) { // If the source and destination differ, copy the unchanged rows - out[4] = a[4]; - out[5] = a[5]; - out[6] = a[6]; - out[7] = a[7]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[0] = a00 * c - a20 * s; - out[1] = a01 * c - a21 * s; - out[2] = a02 * c - a22 * s; - out[3] = a03 * c - a23 * s; - out[8] = a00 * s + a20 * c; - out[9] = a01 * s + a21 * c; - out[10] = a02 * s + a22 * c; - out[11] = a03 * s + a23 * c; - return out; -}; - -/** - * Rotates a matrix by the given angle around the Z axis - * - * @param {mat4} out the receiving matrix - * @param {mat4} a the matrix to rotate - * @param {Number} rad the angle to rotate the matrix by - * @returns {mat4} out - */ -mat4.rotateZ = function (out, a, rad) { - var s = Math.sin(rad), - c = Math.cos(rad), - a00 = a[0], - a01 = a[1], - a02 = a[2], - a03 = a[3], - a10 = a[4], - a11 = a[5], - a12 = a[6], - a13 = a[7]; - - if (a !== out) { // If the source and destination differ, copy the unchanged last row - out[8] = a[8]; - out[9] = a[9]; - out[10] = a[10]; - out[11] = a[11]; - out[12] = a[12]; - out[13] = a[13]; - out[14] = a[14]; - out[15] = a[15]; - } - - // Perform axis-specific matrix multiplication - out[0] = a00 * c + a10 * s; - out[1] = a01 * c + a11 * s; - out[2] = a02 * c + a12 * s; - out[3] = a03 * c + a13 * s; - out[4] = a10 * c - a00 * s; - out[5] = a11 * c - a01 * s; - out[6] = a12 * c - a02 * s; - out[7] = a13 * c - a03 * s; - return out; -}; - -/** - * Creates a matrix from a quaternion rotation and vector translation - * This is equivalent to (but much faster than): - * - * mat4.identity(dest); - * mat4.translate(dest, vec); - * var quatMat = mat4.create(); - * quat4.toMat4(quat, quatMat); - * mat4.multiply(dest, quatMat); - * - * @param {mat4} out mat4 receiving operation result - * @param {quat4} q Rotation quaternion - * @param {vec3} v Translation vector - * @returns {mat4} out - */ -mat4.fromRotationTranslation = function (out, q, v) { - // Quaternion math - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - xy = x * y2, - xz = x * z2, - yy = y * y2, - yz = y * z2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - (yy + zz); - out[1] = xy + wz; - out[2] = xz - wy; - out[3] = 0; - out[4] = xy - wz; - out[5] = 1 - (xx + zz); - out[6] = yz + wx; - out[7] = 0; - out[8] = xz + wy; - out[9] = yz - wx; - out[10] = 1 - (xx + yy); - out[11] = 0; - out[12] = v[0]; - out[13] = v[1]; - out[14] = v[2]; - out[15] = 1; - - return out; -}; - -mat4.fromQuat = function (out, q) { - var x = q[0], y = q[1], z = q[2], w = q[3], - x2 = x + x, - y2 = y + y, - z2 = z + z, - - xx = x * x2, - yx = y * x2, - yy = y * y2, - zx = z * x2, - zy = z * y2, - zz = z * z2, - wx = w * x2, - wy = w * y2, - wz = w * z2; - - out[0] = 1 - yy - zz; - out[1] = yx + wz; - out[2] = zx - wy; - out[3] = 0; - - out[4] = yx - wz; - out[5] = 1 - xx - zz; - out[6] = zy + wx; - out[7] = 0; - - out[8] = zx + wy; - out[9] = zy - wx; - out[10] = 1 - xx - yy; - out[11] = 0; - - out[12] = 0; - out[13] = 0; - out[14] = 0; - out[15] = 1; - - return out; -}; - -/** - * Generates a frustum matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {Number} left Left bound of the frustum - * @param {Number} right Right bound of the frustum - * @param {Number} bottom Bottom bound of the frustum - * @param {Number} top Top bound of the frustum - * @param {Number} near Near bound of the frustum - * @param {Number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.frustum = function (out, left, right, bottom, top, near, far) { - var rl = 1 / (right - left), - tb = 1 / (top - bottom), - nf = 1 / (near - far); - out[0] = (near * 2) * rl; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = (near * 2) * tb; - out[6] = 0; - out[7] = 0; - out[8] = (right + left) * rl; - out[9] = (top + bottom) * tb; - out[10] = (far + near) * nf; - out[11] = -1; - out[12] = 0; - out[13] = 0; - out[14] = (far * near * 2) * nf; - out[15] = 0; - return out; -}; - -/** - * Generates a perspective projection matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {number} fovy Vertical field of view in radians - * @param {number} aspect Aspect ratio. typically viewport width/height - * @param {number} near Near bound of the frustum - * @param {number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.perspective = function (out, fovy, aspect, near, far) { - var f = 1.0 / Math.tan(fovy / 2), - nf = 1 / (near - far); - out[0] = f / aspect; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = f; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = (far + near) * nf; - out[11] = -1; - out[12] = 0; - out[13] = 0; - out[14] = (2 * far * near) * nf; - out[15] = 0; - return out; -}; - -/** - * Generates a orthogonal projection matrix with the given bounds - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {number} left Left bound of the frustum - * @param {number} right Right bound of the frustum - * @param {number} bottom Bottom bound of the frustum - * @param {number} top Top bound of the frustum - * @param {number} near Near bound of the frustum - * @param {number} far Far bound of the frustum - * @returns {mat4} out - */ -mat4.ortho = function (out, left, right, bottom, top, near, far) { - var lr = 1 / (left - right), - bt = 1 / (bottom - top), - nf = 1 / (near - far); - out[0] = -2 * lr; - out[1] = 0; - out[2] = 0; - out[3] = 0; - out[4] = 0; - out[5] = -2 * bt; - out[6] = 0; - out[7] = 0; - out[8] = 0; - out[9] = 0; - out[10] = 2 * nf; - out[11] = 0; - out[12] = (left + right) * lr; - out[13] = (top + bottom) * bt; - out[14] = (far + near) * nf; - out[15] = 1; - return out; -}; - -/** - * Generates a look-at matrix with the given eye position, focal point, and up axis - * - * @param {mat4} out mat4 frustum matrix will be written into - * @param {vec3} eye Position of the viewer - * @param {vec3} center Point the viewer is looking at - * @param {vec3} up vec3 pointing up - * @returns {mat4} out - */ -mat4.lookAt = function (out, eye, center, up) { - var x0, x1, x2, y0, y1, y2, z0, z1, z2, len, - eyex = eye[0], - eyey = eye[1], - eyez = eye[2], - upx = up[0], - upy = up[1], - upz = up[2], - centerx = center[0], - centery = center[1], - centerz = center[2]; - - if (Math.abs(eyex - centerx) < GLMAT_EPSILON && - Math.abs(eyey - centery) < GLMAT_EPSILON && - Math.abs(eyez - centerz) < GLMAT_EPSILON) { - return mat4.identity(out); - } - - z0 = eyex - centerx; - z1 = eyey - centery; - z2 = eyez - centerz; - - len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2); - z0 *= len; - z1 *= len; - z2 *= len; - - x0 = upy * z2 - upz * z1; - x1 = upz * z0 - upx * z2; - x2 = upx * z1 - upy * z0; - len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2); - if (!len) { - x0 = 0; - x1 = 0; - x2 = 0; - } else { - len = 1 / len; - x0 *= len; - x1 *= len; - x2 *= len; - } - - y0 = z1 * x2 - z2 * x1; - y1 = z2 * x0 - z0 * x2; - y2 = z0 * x1 - z1 * x0; - - len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2); - if (!len) { - y0 = 0; - y1 = 0; - y2 = 0; - } else { - len = 1 / len; - y0 *= len; - y1 *= len; - y2 *= len; - } - - out[0] = x0; - out[1] = y0; - out[2] = z0; - out[3] = 0; - out[4] = x1; - out[5] = y1; - out[6] = z1; - out[7] = 0; - out[8] = x2; - out[9] = y2; - out[10] = z2; - out[11] = 0; - out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez); - out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez); - out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez); - out[15] = 1; - - return out; -}; - -/** - * Returns a string representation of a mat4 - * - * @param {mat4} mat matrix to represent as a string - * @returns {String} string representation of the matrix - */ -mat4.str = function (a) { - return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' + - a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' + - a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' + - a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')'; -}; - -/** - * Returns Frobenius norm of a mat4 - * - * @param {mat4} a the matrix to calculate Frobenius norm of - * @returns {Number} Frobenius norm - */ -mat4.frob = function (a) { - return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2) )) -}; - - -if(typeof(exports) !== 'undefined') { - exports.mat4 = mat4; -} -; -/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/** - * @class Quaternion - * @name quat - */ - -var quat = {}; - -/** - * Creates a new identity quat - * - * @returns {quat} a new quaternion - */ -quat.create = function() { - var out = new GLMAT_ARRAY_TYPE(4); - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Sets a quaternion to represent the shortest rotation from one - * vector to another. - * - * Both vectors are assumed to be unit length. - * - * @param {quat} out the receiving quaternion. - * @param {vec3} a the initial vector - * @param {vec3} b the destination vector - * @returns {quat} out - */ -quat.rotationTo = (function() { - var tmpvec3 = vec3.create(); - var xUnitVec3 = vec3.fromValues(1,0,0); - var yUnitVec3 = vec3.fromValues(0,1,0); - - return function(out, a, b) { - var dot = vec3.dot(a, b); - if (dot < -0.999999) { - vec3.cross(tmpvec3, xUnitVec3, a); - if (vec3.length(tmpvec3) < 0.000001) - vec3.cross(tmpvec3, yUnitVec3, a); - vec3.normalize(tmpvec3, tmpvec3); - quat.setAxisAngle(out, tmpvec3, Math.PI); - return out; - } else if (dot > 0.999999) { - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; - } else { - vec3.cross(tmpvec3, a, b); - out[0] = tmpvec3[0]; - out[1] = tmpvec3[1]; - out[2] = tmpvec3[2]; - out[3] = 1 + dot; - return quat.normalize(out, out); - } - }; -})(); - -/** - * Sets the specified quaternion with values corresponding to the given - * axes. Each axis is a vec3 and is expected to be unit length and - * perpendicular to all other specified axes. - * - * @param {vec3} view the vector representing the viewing direction - * @param {vec3} right the vector representing the local "right" direction - * @param {vec3} up the vector representing the local "up" direction - * @returns {quat} out - */ -quat.setAxes = (function() { - var matr = mat3.create(); - - return function(out, view, right, up) { - matr[0] = right[0]; - matr[3] = right[1]; - matr[6] = right[2]; - - matr[1] = up[0]; - matr[4] = up[1]; - matr[7] = up[2]; - - matr[2] = -view[0]; - matr[5] = -view[1]; - matr[8] = -view[2]; - - return quat.normalize(out, quat.fromMat3(out, matr)); - }; -})(); - -/** - * Creates a new quat initialized with values from an existing quaternion - * - * @param {quat} a quaternion to clone - * @returns {quat} a new quaternion - * @function - */ -quat.clone = vec4.clone; - -/** - * Creates a new quat initialized with the given values - * - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {quat} a new quaternion - * @function - */ -quat.fromValues = vec4.fromValues; - -/** - * Copy the values from one quat to another - * - * @param {quat} out the receiving quaternion - * @param {quat} a the source quaternion - * @returns {quat} out - * @function - */ -quat.copy = vec4.copy; - -/** - * Set the components of a quat to the given values - * - * @param {quat} out the receiving quaternion - * @param {Number} x X component - * @param {Number} y Y component - * @param {Number} z Z component - * @param {Number} w W component - * @returns {quat} out - * @function - */ -quat.set = vec4.set; - -/** - * Set a quat to the identity quaternion - * - * @param {quat} out the receiving quaternion - * @returns {quat} out - */ -quat.identity = function(out) { - out[0] = 0; - out[1] = 0; - out[2] = 0; - out[3] = 1; - return out; -}; - -/** - * Sets a quat from the given angle and rotation axis, - * then returns it. - * - * @param {quat} out the receiving quaternion - * @param {vec3} axis the axis around which to rotate - * @param {Number} rad the angle in radians - * @returns {quat} out - **/ -quat.setAxisAngle = function(out, axis, rad) { - rad = rad * 0.5; - var s = Math.sin(rad); - out[0] = s * axis[0]; - out[1] = s * axis[1]; - out[2] = s * axis[2]; - out[3] = Math.cos(rad); - return out; -}; - -/** - * Adds two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {quat} out - * @function - */ -quat.add = vec4.add; - -/** - * Multiplies two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {quat} out - */ -quat.multiply = function(out, a, b) { - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3]; - - out[0] = ax * bw + aw * bx + ay * bz - az * by; - out[1] = ay * bw + aw * by + az * bx - ax * bz; - out[2] = az * bw + aw * bz + ax * by - ay * bx; - out[3] = aw * bw - ax * bx - ay * by - az * bz; - return out; -}; - -/** - * Alias for {@link quat.multiply} - * @function - */ -quat.mul = quat.multiply; - -/** - * Scales a quat by a scalar number - * - * @param {quat} out the receiving vector - * @param {quat} a the vector to scale - * @param {Number} b amount to scale the vector by - * @returns {quat} out - * @function - */ -quat.scale = vec4.scale; - -/** - * Rotates a quaternion by the given angle about the X axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateX = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw + aw * bx; - out[1] = ay * bw + az * bx; - out[2] = az * bw - ay * bx; - out[3] = aw * bw - ax * bx; - return out; -}; - -/** - * Rotates a quaternion by the given angle about the Y axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateY = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - by = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw - az * by; - out[1] = ay * bw + aw * by; - out[2] = az * bw + ax * by; - out[3] = aw * bw - ay * by; - return out; -}; - -/** - * Rotates a quaternion by the given angle about the Z axis - * - * @param {quat} out quat receiving operation result - * @param {quat} a quat to rotate - * @param {number} rad angle (in radians) to rotate - * @returns {quat} out - */ -quat.rotateZ = function (out, a, rad) { - rad *= 0.5; - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bz = Math.sin(rad), bw = Math.cos(rad); - - out[0] = ax * bw + ay * bz; - out[1] = ay * bw - ax * bz; - out[2] = az * bw + aw * bz; - out[3] = aw * bw - az * bz; - return out; -}; - -/** - * Calculates the W component of a quat from the X, Y, and Z components. - * Assumes that quaternion is 1 unit in length. - * Any existing W component will be ignored. - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate W component of - * @returns {quat} out - */ -quat.calculateW = function (out, a) { - var x = a[0], y = a[1], z = a[2]; - - out[0] = x; - out[1] = y; - out[2] = z; - out[3] = -Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z)); - return out; -}; - -/** - * Calculates the dot product of two quat's - * - * @param {quat} a the first operand - * @param {quat} b the second operand - * @returns {Number} dot product of a and b - * @function - */ -quat.dot = vec4.dot; - -/** - * Performs a linear interpolation between two quat's - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - * @function - */ -quat.lerp = vec4.lerp; - -/** - * Performs a spherical linear interpolation between two quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - */ -quat.slerp = function (out, a, b, t) { - // benchmarks: - // http://jsperf.com/quaternion-slerp-implementations - - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3]; - - var omega, cosom, sinom, scale0, scale1; - - // calc cosine - cosom = ax * bx + ay * by + az * bz + aw * bw; - // adjust signs (if necessary) - if ( cosom < 0.0 ) { - cosom = -cosom; - bx = - bx; - by = - by; - bz = - bz; - bw = - bw; - } - // calculate coefficients - if ( (1.0 - cosom) > 0.000001 ) { - // standard case (slerp) - omega = Math.acos(cosom); - sinom = Math.sin(omega); - scale0 = Math.sin((1.0 - t) * omega) / sinom; - scale1 = Math.sin(t * omega) / sinom; - } else { - // "from" and "to" quaternions are very close - // ... so we can do a linear interpolation - scale0 = 1.0 - t; - scale1 = t; - } - // calculate final values - out[0] = scale0 * ax + scale1 * bx; - out[1] = scale0 * ay + scale1 * by; - out[2] = scale0 * az + scale1 * bz; - out[3] = scale0 * aw + scale1 * bw; - - return out; -}; - -/** - * Calculates the inverse of a quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate inverse of - * @returns {quat} out - */ -quat.invert = function(out, a) { - var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], - dot = a0*a0 + a1*a1 + a2*a2 + a3*a3, - invDot = dot ? 1.0/dot : 0; - - // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0 - - out[0] = -a0*invDot; - out[1] = -a1*invDot; - out[2] = -a2*invDot; - out[3] = a3*invDot; - return out; -}; - -/** - * Calculates the conjugate of a quat - * If the quaternion is normalized, this function is faster than quat.inverse and produces the same result. - * - * @param {quat} out the receiving quaternion - * @param {quat} a quat to calculate conjugate of - * @returns {quat} out - */ -quat.conjugate = function (out, a) { - out[0] = -a[0]; - out[1] = -a[1]; - out[2] = -a[2]; - out[3] = a[3]; - return out; -}; - -/** - * Calculates the length of a quat - * - * @param {quat} a vector to calculate length of - * @returns {Number} length of a - * @function - */ -quat.length = vec4.length; - -/** - * Alias for {@link quat.length} - * @function - */ -quat.len = quat.length; - -/** - * Calculates the squared length of a quat - * - * @param {quat} a vector to calculate squared length of - * @returns {Number} squared length of a - * @function - */ -quat.squaredLength = vec4.squaredLength; - -/** - * Alias for {@link quat.squaredLength} - * @function - */ -quat.sqrLen = quat.squaredLength; - -/** - * Normalize a quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a quaternion to normalize - * @returns {quat} out - * @function - */ -quat.normalize = vec4.normalize; - -/** - * Creates a quaternion from the given 3x3 rotation matrix. - * - * NOTE: The resultant quaternion is not normalized, so you should be sure - * to renormalize the quaternion yourself where necessary. - * - * @param {quat} out the receiving quaternion - * @param {mat3} m rotation matrix - * @returns {quat} out - * @function - */ -quat.fromMat3 = function(out, m) { - // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes - // article "Quaternion Calculus and Fast Animation". - var fTrace = m[0] + m[4] + m[8]; - var fRoot; - - if ( fTrace > 0.0 ) { - // |w| > 1/2, may as well choose w > 1/2 - fRoot = Math.sqrt(fTrace + 1.0); // 2w - out[3] = 0.5 * fRoot; - fRoot = 0.5/fRoot; // 1/(4w) - out[0] = (m[7]-m[5])*fRoot; - out[1] = (m[2]-m[6])*fRoot; - out[2] = (m[3]-m[1])*fRoot; - } else { - // |w| <= 1/2 - var i = 0; - if ( m[4] > m[0] ) - i = 1; - if ( m[8] > m[i*3+i] ) - i = 2; - var j = (i+1)%3; - var k = (i+2)%3; - - fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0); - out[i] = 0.5 * fRoot; - fRoot = 0.5 / fRoot; - out[3] = (m[k*3+j] - m[j*3+k]) * fRoot; - out[j] = (m[j*3+i] + m[i*3+j]) * fRoot; - out[k] = (m[k*3+i] + m[i*3+k]) * fRoot; - } - - return out; -}; - -/** - * Returns a string representation of a quatenion - * - * @param {quat} vec vector to represent as a string - * @returns {String} string representation of the vector - */ -quat.str = function (a) { - return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')'; -}; - -if(typeof(exports) !== 'undefined') { - exports.quat = quat; -} -; - - - - - - - - - - - - - - })(shim.exports); -})(this); - -},{}],96:[function(require,module,exports){ -"use strict" - -var glm = require("gl-matrix") -var vec3 = glm.vec3 -var mat3 = glm.mat3 -var mat4 = glm.mat4 -var quat = glm.quat - -//Scratch variables -var scratch0 = new Float32Array(16) -var scratch1 = new Float32Array(16) - -function OrbitCamera(rotation, center, distance) { - this.rotation = rotation - this.center = center - this.distance = distance -} - -var proto = OrbitCamera.prototype - -proto.view = function(out) { - if(!out) { - out = mat4.create() - } - scratch1[0] = scratch1[1] = 0.0 - scratch1[2] = -this.distance - mat4.fromRotationTranslation(out, - quat.conjugate(scratch0, this.rotation), - scratch1) - mat4.translate(out, out, vec3.negate(scratch0, this.center)) - return out -} - -proto.lookAt = function(eye, center, up) { - mat4.lookAt(scratch0, eye, center, up) - mat3.fromMat4(scratch0, scratch0) - quat.fromMat3(this.rotation, scratch0) - vec3.copy(this.center, center) - this.distance = vec3.distance(eye, center) -} - -proto.pan = function(dpan) { - var d = this.distance - scratch0[0] = -d*(dpan[0]||0) - scratch0[1] = d*(dpan[1]||0) - scratch0[2] = d*(dpan[2]||0) - vec3.transformQuat(scratch0, scratch0, this.rotation) - vec3.add(this.center, this.center, scratch0) -} - -proto.zoom = function(d) { - this.distance += d - if(this.distance < 0.0) { - this.distance = 0.0 - } -} - -function quatFromVec(out, da) { - var x = da[0] - var y = da[1] - var z = da[2] - var s = x*x + y*y - if(s > 1.0) { - s = 1.0 - } - out[0] = -da[0] - out[1] = da[1] - out[2] = da[2] || Math.sqrt(1.0 - s) - out[3] = 0.0 -} - -proto.rotate = function(da, db) { - quatFromVec(scratch0, da) - quatFromVec(scratch1, db) - quat.invert(scratch1, scratch1) - quat.multiply(scratch0, scratch0, scratch1) - if(quat.length(scratch0) < 1e-6) { - return - } - quat.multiply(this.rotation, this.rotation, scratch0) - quat.normalize(this.rotation, this.rotation) -} - -function createOrbitCamera(eye, target, up) { - eye = eye || [0,0,-1] - target = target || [0,0,0] - up = up || [0,1,0] - var camera = new OrbitCamera(quat.create(), vec3.create(), 1.0) - camera.lookAt(eye, target, up) - return camera -} - -module.exports = createOrbitCamera - -},{"gl-matrix":95}],97:[function(require,module,exports){ -(function (global){ -module.exports = - global.performance && - global.performance.now ? function now() { - return performance.now() - } : Date.now || function now() { - return +new Date - } - -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],98:[function(require,module,exports){ -module.exports = unindex - -function unindex(positions, cells, out) { - if (positions.positions && positions.cells) { - out = cells - cells = positions.cells - positions = positions.positions - } - - out = out || new Float32Array(cells.length * 9) - - for (var i = 0, n = 0, l = cells.length; i < l; i += 1) { - out[n++] = positions[cells[i][0]][0] - out[n++] = positions[cells[i][0]][1] - out[n++] = positions[cells[i][0]][2] - out[n++] = positions[cells[i][1]][0] - out[n++] = positions[cells[i][1]][1] - out[n++] = positions[cells[i][1]][2] - out[n++] = positions[cells[i][2]][0] - out[n++] = positions[cells[i][2]][1] - out[n++] = positions[cells[i][2]][2] - } - return out -} - -},{}],99:[function(require,module,exports){ - -/** - * Expose `parse`. - */ - -module.exports = parse; - -/** - * Wrap map from jquery. - */ - -var map = { - legend: [1, '
    ', '
    '], - tr: [2, '', '
    '], - col: [2, '', '
    '], - _default: [0, '', ''] -}; - -map.td = -map.th = [3, '', '
    ']; - -map.option = -map.optgroup = [1, '']; - -map.thead = -map.tbody = -map.colgroup = -map.caption = -map.tfoot = [1, '', '
    ']; - -map.text = -map.circle = -map.ellipse = -map.line = -map.path = -map.polygon = -map.polyline = -map.rect = [1, '','']; - -/** - * Parse `html` and return a DOM Node instance, which could be a TextNode, - * HTML DOM Node of some kind (
    for example), or a DocumentFragment - * instance, depending on the contents of the `html` string. - * - * @param {String} html - HTML string to "domify" - * @param {Document} doc - The `document` instance to create the Node for - * @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance - * @api private - */ - -function parse(html, doc) { - if ('string' != typeof html) throw new TypeError('String expected'); - - // default to the global `document` object - if (!doc) doc = document; - - // tag name - var m = /<([\w:]+)/.exec(html); - if (!m) return doc.createTextNode(html); - - html = html.replace(/^\s+|\s+$/g, ''); // Remove leading/trailing whitespace - - var tag = m[1]; - - // body support - if (tag == 'body') { - var el = doc.createElement('html'); - el.innerHTML = html; - return el.removeChild(el.lastChild); - } - - // wrap map - var wrap = map[tag] || map._default; - var depth = wrap[0]; - var prefix = wrap[1]; - var suffix = wrap[2]; - var el = doc.createElement('div'); - el.innerHTML = prefix + html + suffix; - while (depth--) el = el.lastChild; - - // one element - if (el.firstChild == el.lastChild) { - return el.removeChild(el.firstChild); - } - - // several elements - var fragment = doc.createDocumentFragment(); - while (el.firstChild) { - fragment.appendChild(el.removeChild(el.firstChild)); - } - - return fragment; -} - -},{}],100:[function(require,module,exports){ -module.exports = findup - -function findup(child, check) { - if (typeof check === 'string') check = byName(check) - if (typeof check !== 'function') check = byExact(check) - - while ( - child && - !check(child) - ) child = child.parentNode - - - return child || null -} - -function byName(name) { - name = String(name).toUpperCase() - - return function(element) { - return name === element.nodeName - } -} - -function byExact(el) { - return function(element) { - return el === element - } -} - -},{}],101:[function(require,module,exports){ -arguments[4][32][0].apply(exports,arguments) -},{"_process":109,"raf-component":102,"sliced":104}],102:[function(require,module,exports){ -module.exports=require(33) -},{}],103:[function(require,module,exports){ - -/** - * Expose `render()`.` - */ - -exports = module.exports = render; - -/** - * Expose `compile()`. - */ - -exports.compile = compile; - -/** - * Render the given mustache `str` with `obj`. - * - * @param {String} str - * @param {Object} obj - * @return {String} - * @api public - */ - -function render(str, obj) { - obj = obj || {}; - var fn = compile(str); - return fn(obj); -} - -/** - * Compile the given `str` to a `Function`. - * - * @param {String} str - * @return {Function} - * @api public - */ - -function compile(str) { - var js = []; - var toks = parse(str); - var tok; - - for (var i = 0; i < toks.length; ++i) { - tok = toks[i]; - if (i % 2 == 0) { - js.push('"' + tok.replace(/"/g, '\\"') + '"'); - } else { - switch (tok[0]) { - case '/': - tok = tok.slice(1); - js.push(' }) + '); - break; - case '^': - tok = tok.slice(1); - assertProperty(tok); - js.push(' + section(obj, "' + tok + '", true, function(obj){ return '); - break; - case '#': - tok = tok.slice(1); - assertProperty(tok); - js.push(' + section(obj, "' + tok + '", false, function(obj){ return '); - break; - case '!': - tok = tok.slice(1); - assertProperty(tok); - js.push(' + obj.' + tok + ' + '); - break; - default: - assertProperty(tok); - js.push(' + escape(obj.' + tok + ') + '); - } - } - } - - js = '\n' - + indent(escape.toString()) + ';\n\n' - + indent(section.toString()) + ';\n\n' - + ' return ' + js.join('').replace(/\n/g, '\\n'); - - return new Function('obj', js); -} - -/** - * Assert that `prop` is a valid property. - * - * @param {String} prop - * @api private - */ - -function assertProperty(prop) { - if (!prop.match(/^[\w.]+$/)) throw new Error('invalid property "' + prop + '"'); -} - -/** - * Parse `str`. - * - * @param {String} str - * @return {Array} - * @api private - */ - -function parse(str) { - return str.split(/\{\{|\}\}/); -} - -/** - * Indent `str`. - * - * @param {String} str - * @return {String} - * @api private - */ - -function indent(str) { - return str.replace(/^/gm, ' '); -} - -/** - * Section handler. - * - * @param {Object} context obj - * @param {String} prop - * @param {Function} thunk - * @param {Boolean} negate - * @api private - */ - -function section(obj, prop, negate, thunk) { - var val = obj[prop]; - if (Array.isArray(val)) return val.map(thunk).join(''); - if ('function' == typeof val) return val.call(obj, thunk(obj)); - if (negate) val = !val; - if (val) return thunk(obj); - return ''; -} - -/** - * Escape the given `html`. - * - * @param {String} html - * @return {String} - * @api private - */ - -function escape(html) { - return String(html) - .replace(/&/g, '&') - .replace(/"/g, '"') - .replace(//g, '>'); -} - -},{}],104:[function(require,module,exports){ -arguments[4][34][0].apply(exports,arguments) -},{"./lib/sliced":105}],105:[function(require,module,exports){ -module.exports=require(35) -},{}],106:[function(require,module,exports){ -/*! - * The buffer module from node.js, for the browser. - * - * @author Feross Aboukhadijeh - * @license MIT - */ - -var base64 = require('base64-js') -var ieee754 = require('ieee754') - -exports.Buffer = Buffer -exports.SlowBuffer = Buffer -exports.INSPECT_MAX_BYTES = 50 -Buffer.poolSize = 8192 - -/** - * If `TYPED_ARRAY_SUPPORT`: - * === true Use Uint8Array implementation (fastest) - * === false Use Object implementation (most compatible, even IE6) - * - * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, - * Opera 11.6+, iOS 4.2+. - * - * Note: - * - * - Implementation must support adding new properties to `Uint8Array` instances. - * Firefox 4-29 lacked support, fixed in Firefox 30+. - * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. - * - * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. - * - * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of - * incorrect length in some situations. - * - * We detect these buggy browsers and set `TYPED_ARRAY_SUPPORT` to `false` so they will - * get the Object implementation, which is slower but will work correctly. - */ -var TYPED_ARRAY_SUPPORT = (function () { - try { - var buf = new ArrayBuffer(0) - var arr = new Uint8Array(buf) - arr.foo = function () { return 42 } - return 42 === arr.foo() && // typed array instances can be augmented - typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray` - new Uint8Array(1).subarray(1, 1).byteLength === 0 // ie10 has broken `subarray` - } catch (e) { - return false - } -})() - -/** - * Class: Buffer - * ============= - * - * The Buffer constructor returns instances of `Uint8Array` that are augmented - * with function properties for all the node `Buffer` API functions. We use - * `Uint8Array` so that square bracket notation works as expected -- it returns - * a single octet. - * - * By augmenting the instances, we can avoid modifying the `Uint8Array` - * prototype. - */ -function Buffer (subject, encoding, noZero) { - if (!(this instanceof Buffer)) - return new Buffer(subject, encoding, noZero) - - var type = typeof subject - - // Find the length - var length - if (type === 'number') - length = subject > 0 ? subject >>> 0 : 0 - else if (type === 'string') { - if (encoding === 'base64') - subject = base64clean(subject) - length = Buffer.byteLength(subject, encoding) - } else if (type === 'object' && subject !== null) { // assume object is array-like - if (subject.type === 'Buffer' && isArray(subject.data)) - subject = subject.data - length = +subject.length > 0 ? Math.floor(+subject.length) : 0 - } else - throw new Error('First argument needs to be a number, array or string.') - - var buf - if (TYPED_ARRAY_SUPPORT) { - // Preferred: Return an augmented `Uint8Array` instance for best performance - buf = Buffer._augment(new Uint8Array(length)) - } else { - // Fallback: Return THIS instance of Buffer (created by `new`) - buf = this - buf.length = length - buf._isBuffer = true - } - - var i - if (TYPED_ARRAY_SUPPORT && typeof subject.byteLength === 'number') { - // Speed optimization -- use set if we're copying from a typed array - buf._set(subject) - } else if (isArrayish(subject)) { - // Treat array-ish objects as a byte array - if (Buffer.isBuffer(subject)) { - for (i = 0; i < length; i++) - buf[i] = subject.readUInt8(i) - } else { - for (i = 0; i < length; i++) - buf[i] = ((subject[i] % 256) + 256) % 256 - } - } else if (type === 'string') { - buf.write(subject, 0, encoding) - } else if (type === 'number' && !TYPED_ARRAY_SUPPORT && !noZero) { - for (i = 0; i < length; i++) { - buf[i] = 0 - } - } - - return buf -} - -// STATIC METHODS -// ============== - -Buffer.isEncoding = function (encoding) { - switch (String(encoding).toLowerCase()) { - case 'hex': - case 'utf8': - case 'utf-8': - case 'ascii': - case 'binary': - case 'base64': - case 'raw': - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - return true - default: - return false - } -} - -Buffer.isBuffer = function (b) { - return !!(b != null && b._isBuffer) -} - -Buffer.byteLength = function (str, encoding) { - var ret - str = str.toString() - switch (encoding || 'utf8') { - case 'hex': - ret = str.length / 2 - break - case 'utf8': - case 'utf-8': - ret = utf8ToBytes(str).length - break - case 'ascii': - case 'binary': - case 'raw': - ret = str.length - break - case 'base64': - ret = base64ToBytes(str).length - break - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - ret = str.length * 2 - break - default: - throw new Error('Unknown encoding') - } - return ret -} - -Buffer.concat = function (list, totalLength) { - assert(isArray(list), 'Usage: Buffer.concat(list[, length])') - - if (list.length === 0) { - return new Buffer(0) - } else if (list.length === 1) { - return list[0] - } - - var i - if (totalLength === undefined) { - totalLength = 0 - for (i = 0; i < list.length; i++) { - totalLength += list[i].length - } - } - - var buf = new Buffer(totalLength) - var pos = 0 - for (i = 0; i < list.length; i++) { - var item = list[i] - item.copy(buf, pos) - pos += item.length - } - return buf -} - -Buffer.compare = function (a, b) { - assert(Buffer.isBuffer(a) && Buffer.isBuffer(b), 'Arguments must be Buffers') - var x = a.length - var y = b.length - for (var i = 0, len = Math.min(x, y); i < len && a[i] === b[i]; i++) {} - if (i !== len) { - x = a[i] - y = b[i] - } - if (x < y) { - return -1 - } - if (y < x) { - return 1 - } - return 0 -} - -// BUFFER INSTANCE METHODS -// ======================= - -function hexWrite (buf, string, offset, length) { - offset = Number(offset) || 0 - var remaining = buf.length - offset - if (!length) { - length = remaining - } else { - length = Number(length) - if (length > remaining) { - length = remaining - } - } - - // must be an even number of digits - var strLen = string.length - assert(strLen % 2 === 0, 'Invalid hex string') - - if (length > strLen / 2) { - length = strLen / 2 - } - for (var i = 0; i < length; i++) { - var byte = parseInt(string.substr(i * 2, 2), 16) - assert(!isNaN(byte), 'Invalid hex string') - buf[offset + i] = byte - } - return i -} - -function utf8Write (buf, string, offset, length) { - var charsWritten = blitBuffer(utf8ToBytes(string), buf, offset, length) - return charsWritten -} - -function asciiWrite (buf, string, offset, length) { - var charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length) - return charsWritten -} - -function binaryWrite (buf, string, offset, length) { - return asciiWrite(buf, string, offset, length) -} - -function base64Write (buf, string, offset, length) { - var charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length) - return charsWritten -} - -function utf16leWrite (buf, string, offset, length) { - var charsWritten = blitBuffer(utf16leToBytes(string), buf, offset, length) - return charsWritten -} - -Buffer.prototype.write = function (string, offset, length, encoding) { - // Support both (string, offset, length, encoding) - // and the legacy (string, encoding, offset, length) - if (isFinite(offset)) { - if (!isFinite(length)) { - encoding = length - length = undefined - } - } else { // legacy - var swap = encoding - encoding = offset - offset = length - length = swap - } - - offset = Number(offset) || 0 - var remaining = this.length - offset - if (!length) { - length = remaining - } else { - length = Number(length) - if (length > remaining) { - length = remaining - } - } - encoding = String(encoding || 'utf8').toLowerCase() - - var ret - switch (encoding) { - case 'hex': - ret = hexWrite(this, string, offset, length) - break - case 'utf8': - case 'utf-8': - ret = utf8Write(this, string, offset, length) - break - case 'ascii': - ret = asciiWrite(this, string, offset, length) - break - case 'binary': - ret = binaryWrite(this, string, offset, length) - break - case 'base64': - ret = base64Write(this, string, offset, length) - break - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - ret = utf16leWrite(this, string, offset, length) - break - default: - throw new Error('Unknown encoding') - } - return ret -} - -Buffer.prototype.toString = function (encoding, start, end) { - var self = this - - encoding = String(encoding || 'utf8').toLowerCase() - start = Number(start) || 0 - end = (end === undefined) ? self.length : Number(end) - - // Fastpath empty strings - if (end === start) - return '' - - var ret - switch (encoding) { - case 'hex': - ret = hexSlice(self, start, end) - break - case 'utf8': - case 'utf-8': - ret = utf8Slice(self, start, end) - break - case 'ascii': - ret = asciiSlice(self, start, end) - break - case 'binary': - ret = binarySlice(self, start, end) - break - case 'base64': - ret = base64Slice(self, start, end) - break - case 'ucs2': - case 'ucs-2': - case 'utf16le': - case 'utf-16le': - ret = utf16leSlice(self, start, end) - break - default: - throw new Error('Unknown encoding') - } - return ret -} - -Buffer.prototype.toJSON = function () { - return { - type: 'Buffer', - data: Array.prototype.slice.call(this._arr || this, 0) - } -} - -Buffer.prototype.equals = function (b) { - assert(Buffer.isBuffer(b), 'Argument must be a Buffer') - return Buffer.compare(this, b) === 0 -} - -Buffer.prototype.compare = function (b) { - assert(Buffer.isBuffer(b), 'Argument must be a Buffer') - return Buffer.compare(this, b) -} - -// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) -Buffer.prototype.copy = function (target, target_start, start, end) { - var source = this - - if (!start) start = 0 - if (!end && end !== 0) end = this.length - if (!target_start) target_start = 0 - - // Copy 0 bytes; we're done - if (end === start) return - if (target.length === 0 || source.length === 0) return - - // Fatal error conditions - assert(end >= start, 'sourceEnd < sourceStart') - assert(target_start >= 0 && target_start < target.length, - 'targetStart out of bounds') - assert(start >= 0 && start < source.length, 'sourceStart out of bounds') - assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds') - - // Are we oob? - if (end > this.length) - end = this.length - if (target.length - target_start < end - start) - end = target.length - target_start + start - - var len = end - start - - if (len < 100 || !TYPED_ARRAY_SUPPORT) { - for (var i = 0; i < len; i++) { - target[i + target_start] = this[i + start] - } - } else { - target._set(this.subarray(start, start + len), target_start) - } -} - -function base64Slice (buf, start, end) { - if (start === 0 && end === buf.length) { - return base64.fromByteArray(buf) - } else { - return base64.fromByteArray(buf.slice(start, end)) - } -} - -function utf8Slice (buf, start, end) { - var res = '' - var tmp = '' - end = Math.min(buf.length, end) - - for (var i = start; i < end; i++) { - if (buf[i] <= 0x7F) { - res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i]) - tmp = '' - } else { - tmp += '%' + buf[i].toString(16) - } - } - - return res + decodeUtf8Char(tmp) -} - -function asciiSlice (buf, start, end) { - var ret = '' - end = Math.min(buf.length, end) - - for (var i = start; i < end; i++) { - ret += String.fromCharCode(buf[i]) - } - return ret -} - -function binarySlice (buf, start, end) { - return asciiSlice(buf, start, end) -} - -function hexSlice (buf, start, end) { - var len = buf.length - - if (!start || start < 0) start = 0 - if (!end || end < 0 || end > len) end = len - - var out = '' - for (var i = start; i < end; i++) { - out += toHex(buf[i]) - } - return out -} - -function utf16leSlice (buf, start, end) { - var bytes = buf.slice(start, end) - var res = '' - for (var i = 0; i < bytes.length; i += 2) { - res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) - } - return res -} - -Buffer.prototype.slice = function (start, end) { - var len = this.length - start = ~~start - end = end === undefined ? len : ~~end - - if (start < 0) { - start += len; - if (start < 0) - start = 0 - } else if (start > len) { - start = len - } - - if (end < 0) { - end += len - if (end < 0) - end = 0 - } else if (end > len) { - end = len - } - - if (end < start) - end = start - - if (TYPED_ARRAY_SUPPORT) { - return Buffer._augment(this.subarray(start, end)) - } else { - var sliceLen = end - start - var newBuf = new Buffer(sliceLen, undefined, true) - for (var i = 0; i < sliceLen; i++) { - newBuf[i] = this[i + start] - } - return newBuf - } -} - -// `get` will be removed in Node 0.13+ -Buffer.prototype.get = function (offset) { - console.log('.get() is deprecated. Access using array indexes instead.') - return this.readUInt8(offset) -} - -// `set` will be removed in Node 0.13+ -Buffer.prototype.set = function (v, offset) { - console.log('.set() is deprecated. Access using array indexes instead.') - return this.writeUInt8(v, offset) -} - -Buffer.prototype.readUInt8 = function (offset, noAssert) { - if (!noAssert) { - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset < this.length, 'Trying to read beyond buffer length') - } - - if (offset >= this.length) - return - - return this[offset] -} - -function readUInt16 (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') - } - - var len = buf.length - if (offset >= len) - return - - var val - if (littleEndian) { - val = buf[offset] - if (offset + 1 < len) - val |= buf[offset + 1] << 8 - } else { - val = buf[offset] << 8 - if (offset + 1 < len) - val |= buf[offset + 1] - } - return val -} - -Buffer.prototype.readUInt16LE = function (offset, noAssert) { - return readUInt16(this, offset, true, noAssert) -} - -Buffer.prototype.readUInt16BE = function (offset, noAssert) { - return readUInt16(this, offset, false, noAssert) -} - -function readUInt32 (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') - } - - var len = buf.length - if (offset >= len) - return - - var val - if (littleEndian) { - if (offset + 2 < len) - val = buf[offset + 2] << 16 - if (offset + 1 < len) - val |= buf[offset + 1] << 8 - val |= buf[offset] - if (offset + 3 < len) - val = val + (buf[offset + 3] << 24 >>> 0) - } else { - if (offset + 1 < len) - val = buf[offset + 1] << 16 - if (offset + 2 < len) - val |= buf[offset + 2] << 8 - if (offset + 3 < len) - val |= buf[offset + 3] - val = val + (buf[offset] << 24 >>> 0) - } - return val -} - -Buffer.prototype.readUInt32LE = function (offset, noAssert) { - return readUInt32(this, offset, true, noAssert) -} - -Buffer.prototype.readUInt32BE = function (offset, noAssert) { - return readUInt32(this, offset, false, noAssert) -} - -Buffer.prototype.readInt8 = function (offset, noAssert) { - if (!noAssert) { - assert(offset !== undefined && offset !== null, - 'missing offset') - assert(offset < this.length, 'Trying to read beyond buffer length') - } - - if (offset >= this.length) - return - - var neg = this[offset] & 0x80 - if (neg) - return (0xff - this[offset] + 1) * -1 - else - return this[offset] -} - -function readInt16 (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') - } - - var len = buf.length - if (offset >= len) - return - - var val = readUInt16(buf, offset, littleEndian, true) - var neg = val & 0x8000 - if (neg) - return (0xffff - val + 1) * -1 - else - return val -} - -Buffer.prototype.readInt16LE = function (offset, noAssert) { - return readInt16(this, offset, true, noAssert) -} - -Buffer.prototype.readInt16BE = function (offset, noAssert) { - return readInt16(this, offset, false, noAssert) -} - -function readInt32 (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') - } - - var len = buf.length - if (offset >= len) - return - - var val = readUInt32(buf, offset, littleEndian, true) - var neg = val & 0x80000000 - if (neg) - return (0xffffffff - val + 1) * -1 - else - return val -} - -Buffer.prototype.readInt32LE = function (offset, noAssert) { - return readInt32(this, offset, true, noAssert) -} - -Buffer.prototype.readInt32BE = function (offset, noAssert) { - return readInt32(this, offset, false, noAssert) -} - -function readFloat (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') - } - - return ieee754.read(buf, offset, littleEndian, 23, 4) -} - -Buffer.prototype.readFloatLE = function (offset, noAssert) { - return readFloat(this, offset, true, noAssert) -} - -Buffer.prototype.readFloatBE = function (offset, noAssert) { - return readFloat(this, offset, false, noAssert) -} - -function readDouble (buf, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset + 7 < buf.length, 'Trying to read beyond buffer length') - } - - return ieee754.read(buf, offset, littleEndian, 52, 8) -} - -Buffer.prototype.readDoubleLE = function (offset, noAssert) { - return readDouble(this, offset, true, noAssert) -} - -Buffer.prototype.readDoubleBE = function (offset, noAssert) { - return readDouble(this, offset, false, noAssert) -} - -Buffer.prototype.writeUInt8 = function (value, offset, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset < this.length, 'trying to write beyond buffer length') - verifuint(value, 0xff) - } - - if (offset >= this.length) return - - this[offset] = value - return offset + 1 -} - -function writeUInt16 (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 1 < buf.length, 'trying to write beyond buffer length') - verifuint(value, 0xffff) - } - - var len = buf.length - if (offset >= len) - return - - for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) { - buf[offset + i] = - (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> - (littleEndian ? i : 1 - i) * 8 - } - return offset + 2 -} - -Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) { - return writeUInt16(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) { - return writeUInt16(this, value, offset, false, noAssert) -} - -function writeUInt32 (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 3 < buf.length, 'trying to write beyond buffer length') - verifuint(value, 0xffffffff) - } - - var len = buf.length - if (offset >= len) - return - - for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) { - buf[offset + i] = - (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff - } - return offset + 4 -} - -Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) { - return writeUInt32(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) { - return writeUInt32(this, value, offset, false, noAssert) -} - -Buffer.prototype.writeInt8 = function (value, offset, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset < this.length, 'Trying to write beyond buffer length') - verifsint(value, 0x7f, -0x80) - } - - if (offset >= this.length) - return - - if (value >= 0) - this.writeUInt8(value, offset, noAssert) - else - this.writeUInt8(0xff + value + 1, offset, noAssert) - return offset + 1 -} - -function writeInt16 (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 1 < buf.length, 'Trying to write beyond buffer length') - verifsint(value, 0x7fff, -0x8000) - } - - var len = buf.length - if (offset >= len) - return - - if (value >= 0) - writeUInt16(buf, value, offset, littleEndian, noAssert) - else - writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert) - return offset + 2 -} - -Buffer.prototype.writeInt16LE = function (value, offset, noAssert) { - return writeInt16(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeInt16BE = function (value, offset, noAssert) { - return writeInt16(this, value, offset, false, noAssert) -} - -function writeInt32 (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') - verifsint(value, 0x7fffffff, -0x80000000) - } - - var len = buf.length - if (offset >= len) - return - - if (value >= 0) - writeUInt32(buf, value, offset, littleEndian, noAssert) - else - writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert) - return offset + 4 -} - -Buffer.prototype.writeInt32LE = function (value, offset, noAssert) { - return writeInt32(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeInt32BE = function (value, offset, noAssert) { - return writeInt32(this, value, offset, false, noAssert) -} - -function writeFloat (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') - verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38) - } - - var len = buf.length - if (offset >= len) - return - - ieee754.write(buf, value, offset, littleEndian, 23, 4) - return offset + 4 -} - -Buffer.prototype.writeFloatLE = function (value, offset, noAssert) { - return writeFloat(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeFloatBE = function (value, offset, noAssert) { - return writeFloat(this, value, offset, false, noAssert) -} - -function writeDouble (buf, value, offset, littleEndian, noAssert) { - if (!noAssert) { - assert(value !== undefined && value !== null, 'missing value') - assert(typeof littleEndian === 'boolean', 'missing or invalid endian') - assert(offset !== undefined && offset !== null, 'missing offset') - assert(offset + 7 < buf.length, - 'Trying to write beyond buffer length') - verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308) - } - - var len = buf.length - if (offset >= len) - return - - ieee754.write(buf, value, offset, littleEndian, 52, 8) - return offset + 8 -} - -Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) { - return writeDouble(this, value, offset, true, noAssert) -} - -Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) { - return writeDouble(this, value, offset, false, noAssert) -} - -// fill(value, start=0, end=buffer.length) -Buffer.prototype.fill = function (value, start, end) { - if (!value) value = 0 - if (!start) start = 0 - if (!end) end = this.length - - assert(end >= start, 'end < start') - - // Fill 0 bytes; we're done - if (end === start) return - if (this.length === 0) return - - assert(start >= 0 && start < this.length, 'start out of bounds') - assert(end >= 0 && end <= this.length, 'end out of bounds') - - var i - if (typeof value === 'number') { - for (i = start; i < end; i++) { - this[i] = value - } - } else { - var bytes = utf8ToBytes(value.toString()) - var len = bytes.length - for (i = start; i < end; i++) { - this[i] = bytes[i % len] - } - } - - return this -} - -Buffer.prototype.inspect = function () { - var out = [] - var len = this.length - for (var i = 0; i < len; i++) { - out[i] = toHex(this[i]) - if (i === exports.INSPECT_MAX_BYTES) { - out[i + 1] = '...' - break - } - } - return '' -} - -/** - * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. - * Added in Node 0.12. Only available in browsers that support ArrayBuffer. - */ -Buffer.prototype.toArrayBuffer = function () { - if (typeof Uint8Array !== 'undefined') { - if (TYPED_ARRAY_SUPPORT) { - return (new Buffer(this)).buffer - } else { - var buf = new Uint8Array(this.length) - for (var i = 0, len = buf.length; i < len; i += 1) { - buf[i] = this[i] - } - return buf.buffer - } - } else { - throw new Error('Buffer.toArrayBuffer not supported in this browser') - } -} - -// HELPER FUNCTIONS -// ================ - -var BP = Buffer.prototype - -/** - * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods - */ -Buffer._augment = function (arr) { - arr._isBuffer = true - - // save reference to original Uint8Array get/set methods before overwriting - arr._get = arr.get - arr._set = arr.set - - // deprecated, will be removed in node 0.13+ - arr.get = BP.get - arr.set = BP.set - - arr.write = BP.write - arr.toString = BP.toString - arr.toLocaleString = BP.toString - arr.toJSON = BP.toJSON - arr.equals = BP.equals - arr.compare = BP.compare - arr.copy = BP.copy - arr.slice = BP.slice - arr.readUInt8 = BP.readUInt8 - arr.readUInt16LE = BP.readUInt16LE - arr.readUInt16BE = BP.readUInt16BE - arr.readUInt32LE = BP.readUInt32LE - arr.readUInt32BE = BP.readUInt32BE - arr.readInt8 = BP.readInt8 - arr.readInt16LE = BP.readInt16LE - arr.readInt16BE = BP.readInt16BE - arr.readInt32LE = BP.readInt32LE - arr.readInt32BE = BP.readInt32BE - arr.readFloatLE = BP.readFloatLE - arr.readFloatBE = BP.readFloatBE - arr.readDoubleLE = BP.readDoubleLE - arr.readDoubleBE = BP.readDoubleBE - arr.writeUInt8 = BP.writeUInt8 - arr.writeUInt16LE = BP.writeUInt16LE - arr.writeUInt16BE = BP.writeUInt16BE - arr.writeUInt32LE = BP.writeUInt32LE - arr.writeUInt32BE = BP.writeUInt32BE - arr.writeInt8 = BP.writeInt8 - arr.writeInt16LE = BP.writeInt16LE - arr.writeInt16BE = BP.writeInt16BE - arr.writeInt32LE = BP.writeInt32LE - arr.writeInt32BE = BP.writeInt32BE - arr.writeFloatLE = BP.writeFloatLE - arr.writeFloatBE = BP.writeFloatBE - arr.writeDoubleLE = BP.writeDoubleLE - arr.writeDoubleBE = BP.writeDoubleBE - arr.fill = BP.fill - arr.inspect = BP.inspect - arr.toArrayBuffer = BP.toArrayBuffer - - return arr -} - -var INVALID_BASE64_RE = /[^+\/0-9A-z]/g - -function base64clean (str) { - // Node strips out invalid characters like \n and \t from the string, base64-js does not - str = stringtrim(str).replace(INVALID_BASE64_RE, '') - // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not - while (str.length % 4 !== 0) { - str = str + '=' - } - return str -} - -function stringtrim (str) { - if (str.trim) return str.trim() - return str.replace(/^\s+|\s+$/g, '') -} - -function isArray (subject) { - return (Array.isArray || function (subject) { - return Object.prototype.toString.call(subject) === '[object Array]' - })(subject) -} - -function isArrayish (subject) { - return isArray(subject) || Buffer.isBuffer(subject) || - subject && typeof subject === 'object' && - typeof subject.length === 'number' -} - -function toHex (n) { - if (n < 16) return '0' + n.toString(16) - return n.toString(16) -} - -function utf8ToBytes (str) { - var byteArray = [] - for (var i = 0; i < str.length; i++) { - var b = str.charCodeAt(i) - if (b <= 0x7F) { - byteArray.push(b) - } else { - var start = i - if (b >= 0xD800 && b <= 0xDFFF) i++ - var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%') - for (var j = 0; j < h.length; j++) { - byteArray.push(parseInt(h[j], 16)) - } - } - } - return byteArray -} - -function asciiToBytes (str) { - var byteArray = [] - for (var i = 0; i < str.length; i++) { - // Node's code seems to be doing this and not & 0x7F.. - byteArray.push(str.charCodeAt(i) & 0xFF) - } - return byteArray -} - -function utf16leToBytes (str) { - var c, hi, lo - var byteArray = [] - for (var i = 0; i < str.length; i++) { - c = str.charCodeAt(i) - hi = c >> 8 - lo = c % 256 - byteArray.push(lo) - byteArray.push(hi) - } - - return byteArray -} - -function base64ToBytes (str) { - return base64.toByteArray(str) -} - -function blitBuffer (src, dst, offset, length) { - for (var i = 0; i < length; i++) { - if ((i + offset >= dst.length) || (i >= src.length)) - break - dst[i + offset] = src[i] - } - return i -} - -function decodeUtf8Char (str) { - try { - return decodeURIComponent(str) - } catch (err) { - return String.fromCharCode(0xFFFD) // UTF 8 invalid char - } -} - -/* - * We have to make sure that the value is a valid integer. This means that it - * is non-negative. It has no fractional component and that it does not - * exceed the maximum allowed value. - */ -function verifuint (value, max) { - assert(typeof value === 'number', 'cannot write a non-number as a number') - assert(value >= 0, 'specified a negative value for writing an unsigned value') - assert(value <= max, 'value is larger than maximum value for type') - assert(Math.floor(value) === value, 'value has a fractional component') -} - -function verifsint (value, max, min) { - assert(typeof value === 'number', 'cannot write a non-number as a number') - assert(value <= max, 'value larger than maximum allowed value') - assert(value >= min, 'value smaller than minimum allowed value') - assert(Math.floor(value) === value, 'value has a fractional component') -} - -function verifIEEE754 (value, max, min) { - assert(typeof value === 'number', 'cannot write a non-number as a number') - assert(value <= max, 'value larger than maximum allowed value') - assert(value >= min, 'value smaller than minimum allowed value') -} - -function assert (test, message) { - if (!test) throw new Error(message || 'Failed assertion') -} - -},{"base64-js":107,"ieee754":108}],107:[function(require,module,exports){ -var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; - -;(function (exports) { - 'use strict'; - - var Arr = (typeof Uint8Array !== 'undefined') - ? Uint8Array - : Array - - var PLUS = '+'.charCodeAt(0) - var SLASH = '/'.charCodeAt(0) - var NUMBER = '0'.charCodeAt(0) - var LOWER = 'a'.charCodeAt(0) - var UPPER = 'A'.charCodeAt(0) - - function decode (elt) { - var code = elt.charCodeAt(0) - if (code === PLUS) - return 62 // '+' - if (code === SLASH) - return 63 // '/' - if (code < NUMBER) - return -1 //no match - if (code < NUMBER + 10) - return code - NUMBER + 26 + 26 - if (code < UPPER + 26) - return code - UPPER - if (code < LOWER + 26) - return code - LOWER + 26 - } - - function b64ToByteArray (b64) { - var i, j, l, tmp, placeHolders, arr - - if (b64.length % 4 > 0) { - throw new Error('Invalid string. Length must be a multiple of 4') - } - - // the number of equal signs (place holders) - // if there are two placeholders, than the two characters before it - // represent one byte - // if there is only one, then the three characters before it represent 2 bytes - // this is just a cheap hack to not do indexOf twice - var len = b64.length - placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 - - // base64 is 4/3 + up to two characters of the original data - arr = new Arr(b64.length * 3 / 4 - placeHolders) - - // if there are placeholders, only get up to the last complete 4 chars - l = placeHolders > 0 ? b64.length - 4 : b64.length - - var L = 0 - - function push (v) { - arr[L++] = v - } - - for (i = 0, j = 0; i < l; i += 4, j += 3) { - tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) - push((tmp & 0xFF0000) >> 16) - push((tmp & 0xFF00) >> 8) - push(tmp & 0xFF) - } - - if (placeHolders === 2) { - tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) - push(tmp & 0xFF) - } else if (placeHolders === 1) { - tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) - push((tmp >> 8) & 0xFF) - push(tmp & 0xFF) - } - - return arr - } - - function uint8ToBase64 (uint8) { - var i, - extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes - output = "", - temp, length - - function encode (num) { - return lookup.charAt(num) - } - - function tripletToBase64 (num) { - return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) - } - - // go through the array every three bytes, we'll deal with trailing stuff later - for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { - temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) - output += tripletToBase64(temp) - } - - // pad the end with zeros, but make sure to not forget the extra bytes - switch (extraBytes) { - case 1: - temp = uint8[uint8.length - 1] - output += encode(temp >> 2) - output += encode((temp << 4) & 0x3F) - output += '==' - break - case 2: - temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) - output += encode(temp >> 10) - output += encode((temp >> 4) & 0x3F) - output += encode((temp << 2) & 0x3F) - output += '=' - break - } - - return output - } - - exports.toByteArray = b64ToByteArray - exports.fromByteArray = uint8ToBase64 -}(typeof exports === 'undefined' ? (this.base64js = {}) : exports)) - -},{}],108:[function(require,module,exports){ -exports.read = function(buffer, offset, isLE, mLen, nBytes) { - var e, m, - eLen = nBytes * 8 - mLen - 1, - eMax = (1 << eLen) - 1, - eBias = eMax >> 1, - nBits = -7, - i = isLE ? (nBytes - 1) : 0, - d = isLE ? -1 : 1, - s = buffer[offset + i]; - - i += d; - - e = s & ((1 << (-nBits)) - 1); - s >>= (-nBits); - nBits += eLen; - for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8); - - m = e & ((1 << (-nBits)) - 1); - e >>= (-nBits); - nBits += mLen; - for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8); - - if (e === 0) { - e = 1 - eBias; - } else if (e === eMax) { - return m ? NaN : ((s ? -1 : 1) * Infinity); - } else { - m = m + Math.pow(2, mLen); - e = e - eBias; - } - return (s ? -1 : 1) * m * Math.pow(2, e - mLen); -}; - -exports.write = function(buffer, value, offset, isLE, mLen, nBytes) { - var e, m, c, - eLen = nBytes * 8 - mLen - 1, - eMax = (1 << eLen) - 1, - eBias = eMax >> 1, - rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0), - i = isLE ? 0 : (nBytes - 1), - d = isLE ? 1 : -1, - s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; - - value = Math.abs(value); - - if (isNaN(value) || value === Infinity) { - m = isNaN(value) ? 1 : 0; - e = eMax; - } else { - e = Math.floor(Math.log(value) / Math.LN2); - if (value * (c = Math.pow(2, -e)) < 1) { - e--; - c *= 2; - } - if (e + eBias >= 1) { - value += rt / c; - } else { - value += rt * Math.pow(2, 1 - eBias); - } - if (value * c >= 2) { - e++; - c /= 2; - } - - if (e + eBias >= eMax) { - m = 0; - e = eMax; - } else if (e + eBias >= 1) { - m = (value * c - 1) * Math.pow(2, mLen); - e = e + eBias; - } else { - m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); - e = 0; - } - } - - for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8); - - e = (e << mLen) | m; - eLen += mLen; - for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8); - - buffer[offset + i - d] |= s * 128; -}; - -},{}],109:[function(require,module,exports){ -// shim for using process in browser - -var process = module.exports = {}; - -process.nextTick = (function () { - var canSetImmediate = typeof window !== 'undefined' - && window.setImmediate; - var canPost = typeof window !== 'undefined' - && window.postMessage && window.addEventListener - ; - - if (canSetImmediate) { - return function (f) { return window.setImmediate(f) }; - } - - if (canPost) { - var queue = []; - window.addEventListener('message', function (ev) { - var source = ev.source; - if ((source === window || source === null) && ev.data === 'process-tick') { - ev.stopPropagation(); - if (queue.length > 0) { - var fn = queue.shift(); - fn(); - } - } - }, true); - - return function nextTick(fn) { - queue.push(fn); - window.postMessage('process-tick', '*'); - }; - } - - return function nextTick(fn) { - setTimeout(fn, 0); - }; -})(); - -process.title = 'browser'; -process.browser = true; -process.env = {}; -process.argv = []; - -function noop() {} - -process.on = noop; -process.addListener = noop; -process.once = noop; -process.off = noop; -process.removeListener = noop; -process.removeAllListeners = noop; -process.emit = noop; - -process.binding = function (name) { - throw new Error('process.binding is not supported'); -} - -// TODO(shtylman) -process.cwd = function () { return '/' }; -process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); -}; - -},{}]},{},[3]); diff --git a/data/contributors.js b/data/contributors.js new file mode 100644 index 0000000..c512bb9 --- /dev/null +++ b/data/contributors.js @@ -0,0 +1,35 @@ +const request = require('request') +const path = require('path') +const fs = require('fs') + +const dest = path.join(__dirname, '..', 'build', 'contributors.json') + +contributors(function (err, list) { + if (err) throw err + fs.writeFileSync(dest, JSON.stringify(list)) +}) + +function contributors (done) { + request('http://stack.gl/packages/index.json', { + json: true + }, function (err, res, body) { + if (err) return done(err) + + const repos = Object.keys(body.repos).reduce(function (repos, category) { + return repos.concat(body.repos[category]) + }, []) + + const contributors = body.contributors + + repos.forEach(function (repo) { + repo.contrib.forEach(function (idx) { + contributors[idx].count = contributors[idx].count || 0 + contributors[idx].count++ + }) + }) + + done(null, contributors.sort(function (a, b) { + return b.count - a.count + })) + }) +} diff --git a/data/examples.md b/data/examples.md deleted file mode 100644 index 18c4ecb..0000000 --- a/data/examples.md +++ /dev/null @@ -1,61 +0,0 @@ -# Examples - -To add a new example: - -* Create a new level-two heading (`##`) in this file. -* The heading should be a link pointing to the example. -* Optionally, include a description of the example below the heading. This - will be used if the example is featured. -* Include the example's thumbnail as an image somewhere in the description. -* To mark an example as *featured*, simply make its header italic (`*[like](this)*`). - There should only be only featured example at any one time. - -## *[shader-school](http://github.com/gl-modules/shader-school)* - -![shader-school](http://imgur.com/hegi9dZ.png) - -An introduction to GLSL shaders and graphics programming that runs in your -browser. **shader-school** is a [NodeSchool workshop](http://nodeschool.io/) -originally created for [NodeConf 2014](http://nodeconf.com/). Everything is -powered by browserify, glslify and modules from the stackgl ecosystem under -the hood. - -## [glsl.io](http://glsl.io/) - -![glsl.io](http://imgur.com/56SPiLL.png) - -## [kami](https://github.com/mattdesl/kami) - -![kami](http://imgur.com/j5W3Tuw.png) - -## [run.south.im](http://run.south.im/) - -![run.south.im](http://imgur.com/kZjW5QD.png) - -## [nodesource.com](http://nodesource.com/) - -![nodesource.com](http://imgur.com/tCKuJfx.png) - -## [voxel-mipmap-demo](https://github.com/mikolalysenko/voxel-mipmap-demo/) - -![voxel-mipmap-demo](http://imgur.com/9eUBmfB.png) - -## [raymarch](https://github.com/mikolalysenko/raymarch/) - -![raymarch](http://imgur.com/NpvsXIH.png) - -## [moire #1](http://hughsk.io/moire-1) - -![moire-1](http://imgur.com/9tbJfnF.png) - -## [campjs.com](http://campjs.com/) - -![campjs](http://imgur.com/d47Vesp.png) - -## [particle-excess-demo](https://github.com/hughsk/particle-excess-demo/) - -![particle-excess-demo](http://imgur.com/YyrtLqM.png) - -## [web-audio-analyser](https://github.com/hughsk/web-audio-analyser/) - -![web-audio-analyser](http://imgur.com/xhPfMFP.png) diff --git a/data/packages.md b/data/packages.md deleted file mode 100644 index f61b37d..0000000 --- a/data/packages.md +++ /dev/null @@ -1,102 +0,0 @@ -# Packages - -To add a new package: - -* Choose a category to put it in. -* Add a level-three heading (`###`) in that group of packages. -* The heading should be the the name of the module on npm. -* Optionally, include a thumbnail image and description below the heading. - -## WebGL Core - -### gl-vao -### gl-fbo -![gl-fbo](http://imgur.com/xiXCQGN.png) - -### gl-texture2d -### gl-buffer - -## Tools - -### glslify -### glslify-live -### glslify-optimize - -## Math - -### gl-vec2 -### gl-vec3 -### gl-vec4 -### gl-quat -### gl-mat2 -### gl-mat3 -### gl-mat4 - -## Camera Controls - -### orbit-camera -### game-shell-orbit-camera -### canvas-orbit-camera - -## Initialization - -### gl-now -### gl-context - -## Input - -### key-pressed -### mouse-pressed -### mouse-speed -### scroll-speed -### canvas-fit -### vkey - -## Shader Components - -### glsl-luma -![glsl-luma](http://imgur.com/SRxqxj2.png) - -### glsl-dither -![glsl-dither](http://imgur.com/D4ccYiJ.png) - -### glsl-noise -### glsl-random -![glsl-random](http://imgur.com/9EOo2or.png) - -### glsl-fog -![glsl-fog](http://imgur.com/8l0otem.png) - -## Shader Transforms - -### glslify-hex -### glslify-import - -## File Parsers -## Visualisation - -### gl-compare - -## Internals - -### glsl-parser -### glsl-tokenizer -### glsl-deparser -### glsl-extract -### glslify-stream -### gl-shader-core - -## Assets - -### lena -![lena](http://imgur.com/eSx2pBu.png) - -### baboon-image -![baboon-image](http://imgur.com/63yazJ1.png) - -### bunny -![bunny](http://imgur.com/5VIykyD.png) - -### teapot -### stanford-dragon -![stanford-dragon](http://imgur.com/XWYMq6J.png) diff --git a/data/regenerate.js b/data/regenerate.js index f2bf62e..ea6f0a7 100644 --- a/data/regenerate.js +++ b/data/regenerate.js @@ -16,7 +16,7 @@ var examples = tree( var tokens = example.tokens.slice() tokens.links = {} - var thumb = null + var thumb = 'default.jpg' var $ = cheerio.load( marked.Parser.parse(tokens) ) @@ -53,49 +53,3 @@ var examples = tree( fs.writeFileSync(__dirname + '/../build/examples.json' , JSON.stringify(examples, null, 2) ) - -console.error() -console.error('extracting packages') - -var packages = tree( - fs.readFileSync(path.join(__dirname, 'packages.md'), 'utf8') -).children[0] - .children - .reduce(function(list, category) { - category.text = unhtml(category.text) - - list[category.text] = category.children.map(function(pkg, i) { - pkg.tokens.links = {} - - var name = unhtml(pkg.text) - var html = marked.Parser.parse(pkg.tokens) - var thumb - - var $ = cheerio.load(html) - - $('img').each(function(i, img) { - var $img = $(img) - thumb = $img.attr('src') - $img.parent().remove() - }) - - var desc = $.html() - - console.error('*', category.text, '/', name) - - return { - name: name - , desc: desc - , link: 'http://ghub.io/' + name - , thumb: thumb || '' - , featured: false - , i: i - } - }) - - return list - }, {}) - -fs.writeFileSync(__dirname + '/../build/packages.json' - , JSON.stringify(packages, null, 2) -) diff --git a/data/sync.js b/data/sync.js new file mode 100644 index 0000000..96ca59c --- /dev/null +++ b/data/sync.js @@ -0,0 +1,22 @@ +var replace = require('replacestream') +var wrap = require('wrap-stream') +var request = require('request') +var path = require('path') +var url = require('url') +var fs = require('fs') + +var wiki = 'https://github.com/stackgl/stackgl.github.io/wiki/' + +;['examples'].forEach(function(slug) { + var Slug = slug.slice(0, 1).toUpperCase() + slug.slice(1) + var uri = url.resolve(wiki, Slug) + var dst = path.join(__dirname, slug + '.md') + + request(uri + '.md') + .pipe(replace('\r', '')) + .pipe(wrap('# ' + Slug + '\n\n', '\n')) + .pipe(fs.createWriteStream(dst)) + .once('close', function() { + console.log('* updated ' + slug) + }) +}) diff --git a/default.jpg b/default.jpg new file mode 100644 index 0000000..a7d3dd3 Binary files /dev/null and b/default.jpg differ diff --git a/favicon.ico b/favicon.ico new file mode 100644 index 0000000..7685729 Binary files /dev/null and b/favicon.ico differ diff --git a/index.css b/index.css index 5621f97..107cbe6 100644 --- a/index.css +++ b/index.css @@ -12,9 +12,10 @@ solid #ccc;margin:1em 0;padding:0}input,select{vertical-align:middle} body, html { margin: 0; padding: 0; + overflow-x: hidden; background: #fff; line-height: 1.5em; - font-family: 'Ubuntu Mono', 'Helvetica Neue', Helvetica, Arial, sans-serif; + font-family: 'Fantasque Sans Mono', 'Ubuntu Mono', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #4A4F5E; } @@ -22,6 +23,14 @@ strong { color: #4A4F5E; } +p + p, h2 + p { + margin-top: 1.5em; +} + +section ul { + margin: 1.5em; +} + a { text-decoration: none; border-bottom: 1px solid #66C4FF; @@ -36,13 +45,116 @@ h1, h2, h3, h4, h5, h6 { } h1 { font-size: 2.5em; } -h2 { font-size: 2.2em; } -h1 .lighter { - color: #A9B0C2; +h1 .lighter { color: #A9B0C2; } +h2 { + font-size: 2.2em; + margin-top: 3em; + border-bottom: 1px dotted #DEE7FF; + padding-bottom: 0.8rem; } /** - * Splash/Intro + * Intro + */ +#grid { + z-index: 1; +} + +/** + * Main Layout + */ +#main { + position: relative; + z-index: 2; + padding: 2rem; + max-width: 400px; +} + +#main section { + color: #4A4F5E; + font-size: 0.8em; +} + +#main { + background: rgba(255,255,255,0.8); +} + +.title { + margin-bottom: 0.3em; +} + +.topnav ul { + color: #DEE7FF; + list-style-type: none; + white-space: pre; + margin-bottom: 2em; +} + +.topnav ul > li { + display: inline-block; +} + +/** + * Thumbnails + */ +.thumbs { + list-style-type: none; + margin-right: 0; + margin-left: -1em; + margin-bottom: 2em; + margin-top: -1em; +} + +.thumbs:before, +.thumbs:after { + content: ' '; + display: table; +} + +.thumbs:after { + clear: both; +} + +.thumbs li { + position: relative; + box-sizing: border-box; + padding-top: 2em; + padding-left: 1em; + width: 33.3%; + float: left; +} + +.thumbs.thumbs-pair li { + width: 50%; +} + +.thumbs.thumbs-trio li { + font-size: 0.95em; +} + +.thumbs li .image { + background-image: url(default.jpg); + background-position: 50% 50%; + background-size: cover; + width: 100%; + height: 140px; + box-sizing: border-box; + border: 1px solid #DEE7FF; + border-radius: 4px; +} + +.thumbs li h3 { + font-family: 'Fantasque Sans Mono', 'Ubuntu Mono', 'Helvetica Neue', Helvetica, Arial, sans-serif; + white-space: nowrap; + text-overflow: ellipsis; + overflow: hidden; + margin-top: 0.5rem; + color: #4A4F5E; + opacity: 0.8; +} + +/** + * Intro */ #intro { position: absolute; @@ -53,29 +165,25 @@ h1 .lighter { padding: 2em; } -#intro h1 { - margin-bottom: 0.3em; -} - -#intro aside { +#intro aside, +#community-content aside { max-width: 400px; color: #4A4F5E; font-size: 0.9em; } -#intro ul { - color: #DEE7FF; - list-style-type: none; - white-space: pre; - margin-bottom: 2em; +#community { + position: relative; } -#intro ul > li { - display: inline-block; +#community-content { + position: relative; + z-index: 2; } -#splash canvas { - z-index: 1; +.no-webgl #grid { + background-image: url(bg.jpg); + background-size: cover; } /** @@ -159,3 +267,46 @@ h1 .lighter { .thumb-filter > li:last-child:after { content: ''; } + +#community-content ul { + margin-left: 1em; +} + +#community-content ul, +#community-content p { + margin-bottom: 1em; +} + +[data-fill] { + height: 100vh; +} + +#contributor-list { + list-style-type: none; + line-height: 40px; + margin: 0; + margin-left: -4px; + margin-top: 1rem; +} + +#contributor-list li, +#contributor-list li > a { + display: block; + float: left; + line-height: 40px; + height: 40px; +} + +#contributor-list li { + padding: 4px; +} + +#contributor-list li > a { + border-bottom: 0; + border-radius: 40px; + background-size: 40px 40px; + background-size: cover; + background-position: 50% 50%; + width: 40px; + height: 40px; +} diff --git a/index.html b/index.html index 0d41e2e..5614e79 100644 --- a/index.html +++ b/index.html @@ -8,52 +8,116 @@ -
    -
    -
    -

    #stackgl

    - -
    - -
    - - - -
    - - +
    +

    #stackgl

    + + +
    + stackgl is an open software ecosystem for WebGL, built on top of + browserify and + npm. Inspired by the + Unix philosophy, + stackgl modules "do one thing, and do it well". It is + easy to use parts of stackgl à la carte, and because it is written from the + bottom up, you can always drill down a layer. Unlike many 3D engines, + stackgl emphasizes writing shader code, and provides powerful tools like + glslify which bring the + modularity and productivity of npm to GLSL!
    -
    +

    examples & demos

    -
      +
        -
        -

        packages

        -
          -
            +
            +

            learning

            + + +

            + Before getting started with stackgl, you'll want to get familiar with + the basics of WebGL and GLSL. One place to start would be by trying out + one of our graphics-themed NodeSchool + workshops. Shader School and + WebGL Workshop are interactive and may be taken in any + order. +

            + +

            + Some other good learning resources include + Learning WebGL, + WebGL Academy, + Shadertoy, and + GLSL Sandbox. + + If you're particularly interested in shaders, you might want to check out + The Book of Shaders, + An Introduction to Shaders or + Primer: Shaders. +

            +

            + Some more advanced resources include WebGL Insights + and How to Create Content with Signed Distance Functions. +

            -
            +

            community

            +

            + Not sure where to start? Here's some links that should help you + learn more and/or get involved yourself. Feel free to get in touch + if you have any questions! +

            + +

            + If you're interested in writing some packages of your own but short on + ideas, we have a wishlist of sorts in + stackgl/contributing's issue queue. +

            +

            + stackgl is only possible thanks to the excellent work of dozens of contributors: thank you! +

            +
              -
              - + + + + + + diff --git a/index.js b/index.js deleted file mode 100644 index db8d231..0000000 --- a/index.js +++ /dev/null @@ -1,44 +0,0 @@ -var splash = document.getElementById('splash') -var canvas = splash.querySelector('canvas') -var filter = require('./lib/filter') -var minstache = require('minstache') -var domify = require('domify') -var slice = require('sliced') -var fs = require('fs') - -require('./lib/fill')(document.querySelectorAll('[data-fill]')) -require('@stackgl/splash-grid')(canvas) - -var thumb = minstache.compile(fs.readFileSync( - __dirname + '/lib/thumb.html' -, 'utf8')) - -var examples = require('./build/examples.json').map(function(meta) { - return thumb(meta) -}).join('\n') - -var packages = require('./build/packages.json') - -packages = Object.keys(packages).reduce(function(pkgs, group) { - return pkgs.concat(packages[group].map(function(pkg) { - pkg.group = group - return pkg - })) -}, []).map(function(meta) { - return thumb(meta) -}).join('\n') - -document - .getElementById('examples') - .querySelector('ul.thumb-list') - .appendChild(domify(examples)) - -var pkgEl = document.getElementById('packages') - -pkgEl - .querySelector('ul.thumb-list') - .appendChild(domify(packages)) - -pkgEl - .querySelector('ul.thumb-filter') - .appendChild(filter(pkgEl)) diff --git a/lib/filter.js b/lib/filter.js index 84711bc..7fed8e4 100644 --- a/lib/filter.js +++ b/lib/filter.js @@ -24,10 +24,14 @@ module.exports = function(thumbs) { }) var list = domify(template({ category: categories })) - var prev = list.children[0] + var children = slice(list.childNodes).filter(function(node) { + return node.nodeType === Node.ELEMENT_NODE + }) + + var prev = children[0] - prev.setAttribute('class', 'selected') - slice(list.children).forEach(function(child) { + children[0].setAttribute('class', 'selected') + children.forEach(function(child) { var name = child.getAttribute('data-name') child.addEventListener('click', function(e) { diff --git a/lib/thumb.html b/lib/thumb.html index d4926f3..a787855 100644 --- a/lib/thumb.html +++ b/lib/thumb.html @@ -1,17 +1,6 @@ -
            • -
              - -
              -               -
              - -

              {{name}}

              -               -
              - {{#featured}} - {{!desc}} - {{/featured}} -
              -
              -
              +
            • + +
              +

              {{name}}

              +
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"0.0.0", "frame-debounce": "0.0.0", "markdown-tree": "0.0.0", "marked": "^0.3.2", "minstache": "^1.2.0", + "replacestream": "^0.2.0", + "request": "^2.42.0", "scoped-bulk": "^1.0.0", "sliced": "0.0.5", - "unhtml": "^0.1.0" + "unhtml": "^0.1.0", + "wrap-stream": "^2.0.0" + }, + "engines": { + "npm": "=6.14.4", + "node": "=8.11.4" }, "browserify": { "transform": [ "brfs" ] }, - "bundledDependencies": [ - "splash-grid" - ], "scripts": { - "prestart": "npm run links && node data/regenerate", - "start": "beefy index.js:bundle.js --open", - "postinstall": "npm run links && scoped-bulk stackgl npm install", - "bundle": "npm run prestart && browserify index.js -o bundle.js", - "links": "district stackgl splash-grid splash-flock" + "start": "make start", + "clean": "make clean", + "postinstall": "make postinstall", + "prepublish": "make build/bundle.min.js build/splash.min.js build/contributors.json" }, "repository": { "type": "git", @@ -40,7 +46,8 @@ "contributors": [ "Hugh Kennedy ", "Mikola Lysenko ", - "Chris Dickinson " + "Chris Dickinson ", + "Matt DesLauriers " ], "license": "MIT", "bugs": { @@ -48,6 +55,8 @@ }, "homepage": "https://github.com/gl-modules/gl-modules.github.io", "devDependencies": { - "beefy": "^2.0.3" + "browserify": "^8.1.1", + "uglify-js": "^2.4.16", + "wzrd": "^1.2.1" } } diff --git a/splash-flock/demo.js b/splash-flock/demo.js deleted file mode 100644 index 6c48ca3..0000000 --- a/splash-flock/demo.js +++ /dev/null @@ -1,3 +0,0 @@ -require('./')(document.body.appendChild( - document.createElement('canvas') -)) diff --git a/splash-flock/index.js b/splash-flock/index.js deleted file mode 100644 index 6b95ba1..0000000 --- a/splash-flock/index.js +++ /dev/null @@ -1,23 +0,0 @@ -var clear = require('gl-clear')({ color: [1, 0, 1, 1] }) -var debounce = require('frame-debounce') -var fit = require('canvas-fit') -var Shader = require('glslify') -var FBO = require('gl-fbo') - -module.exports = init - -function init(canvas) { - var gl = require('gl-context')(canvas, render) - - window.addEventListener('resize' - , debounce(fit(canvas, window)) - ) - - function render() { - var width = canvas.width - var height = canvas.height - - gl.viewport(0, 0, width, height) - clear(gl) - } -} diff --git a/splash-flock/package.json b/splash-flock/package.json deleted file mode 100644 index 7317f22..0000000 --- a/splash-flock/package.json +++ /dev/null @@ -1,17 +0,0 @@ -{ - "scripts": { - "start": "beefy index.js:bundle.js --open" - }, - "dependencies": { - "canvas-fit": "^1.2.0", - "frame-debounce": "0.0.0", - "gl-clear": "0.0.1", - "gl-context": "^0.1.0", - "gl-fbo": "^2.0.3", - "glslify": "^1.6.0" - }, - "devDependencies": { - "beefy": "^2.1.1", - "browserify": "^5.11.2" - } -} diff --git a/splash-grid/demo.js b/splash-grid/demo.js new file mode 100644 index 0000000..bce6804 --- /dev/null +++ b/splash-grid/demo.js @@ -0,0 +1,3 @@ +var canvas = document.body.appendChild(document.createElement('canvas')) + +require('./')(canvas) diff --git a/splash-grid/index.js b/splash-grid/index.js index 01c34f8..9a73ead 100644 --- a/splash-grid/index.js +++ b/splash-grid/index.js @@ -1,8 +1,9 @@ var createCamera = require('orbit-camera') var createTex2d = require('gl-texture2d') var createGeom = require('gl-geometry') +var createShader = require('gl-shader') +var glslify = require('glslify') var createFBO = require('gl-fbo') -var createShader = require('glslify') var clear = require('gl-clear')({ color: [1, 1, 1, 1] }) var mat4 = require('gl-matrix').mat4 @@ -22,6 +23,8 @@ var SIZE = 16 var RES = [1 / SIZE, 1 / SIZE] module.exports = function(canvas) { + canvas.style.position = 'fixed' + var gl = require('gl-context')(canvas, render) var heightmap = createFBO(gl, [SIZE, SIZE], { float: true }) var gradient = createTex2d(gl, require('./gradient-map')) @@ -36,15 +39,15 @@ module.exports = function(canvas) { , [0, 1, 0] ) - var shader = createShader({ - frag: './shaders/voxel.frag' - , vert: './shaders/voxel.vert' - })(gl) + var shader = createShader(gl + , glslify('./shaders/voxel.vert') + , glslify('./shaders/voxel.frag') + ) - var heightShader = createShader({ - frag: './shaders/heightmap.frag' - , vert: './shaders/heightmap.vert' - })(gl) + var heightShader = createShader(gl + , glslify('./shaders/heightmap.vert') + , glslify('./shaders/heightmap.frag') + ) var geom = createGeom(gl) .attr('aPosition', voxels.positions) @@ -60,14 +63,13 @@ module.exports = function(canvas) { mat4.translate(model, model, [-0.5, 0, -0.5]) window.addEventListener('resize' - , debounce(fit(canvas)) + , debounce(fit(canvas, window)) , false ) function render() { var width = canvas.width var height = canvas.height - if (window.scrollY > height) return var now = getTime() * TIMESCALE diff --git a/splash-grid/package-lock.json b/splash-grid/package-lock.json new file mode 100644 index 0000000..b9c252f --- /dev/null +++ b/splash-grid/package-lock.json @@ -0,0 +1,6872 @@ +{ + "name": "splash-grid", + "version": "0.0.0", + 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"start": "beefy index.js --open", + "start": "budo demo.js --open", "pack": "ndpack-image gradient-map.png > gradient-map.js" }, "browserify": { @@ -18,11 +18,11 @@ }, "license": "MIT", "devDependencies": { - "beefy": "^2.0.3" + "budo": "^6.1.0" }, "dependencies": { "a-big-triangle": "0.0.0", - "canvas-fit": "^1.0.0", + "canvas-fit": "^1.2.0", "canvas-orbit-camera": "0.0.0", "clone": "^0.1.17", "cube-cube": "^1.0.0", @@ -33,10 +33,11 @@ "gl-fbo": "^1.1.3", "gl-geometry": "0.0.0", "gl-matrix": "^2.1.0", + "gl-shader": "^4.0.6", "gl-texture2d": "^1.2.0", - "glslify": "^1.6.0", + "glslify": "^3.1.0", "mesh-combine": "^1.0.0", - "ndpack-image": "git://github.com/hughsk/ndpack-image#fix-orientation", + "ndpack-image": "^1.0.4", "orbit-camera": "^1.0.0", "right-now": "^1.0.0", "unindex-mesh": "^1.0.1" diff --git a/src/index.js b/src/index.js new file mode 100644 index 0000000..0d3d7e8 --- /dev/null +++ b/src/index.js @@ -0,0 +1,38 @@ +var filter = require('../lib/filter') +var cl = require('class-list') +var minstache = require('minstache') +var domify = require('domify') +var slice = require('sliced') +var fs = require('fs') + +require('../lib/fill')(document.querySelectorAll('[data-fill]')) + +var thumb = minstache.compile(fs.readFileSync( + __dirname + '/../lib/thumb.html' +, 'utf8')) + +var examples = require('../build/examples.json').map(function(meta) { + return thumb(meta) +}).join('\n') + +document + .getElementById('examples') + .querySelector('ul.thumbs') + .appendChild(domify(examples)) + +var contribs = require('../build/contributors.json') +var upper = Math.ceil(contribs.length * 0.1) + +contribs = [] + .concat(contribs.slice(0, upper).sort(shuffle)) + .concat(contribs.slice(upper).sort(shuffle)) + .map(function (d) { + return '
              • ' + }).join('') + +document.getElementById('contributor-list') + .appendChild(domify(contribs)) + +function shuffle () { + return Math.random() - 0.5 +} diff --git a/src/splash.js b/src/splash.js new file mode 100644 index 0000000..77e8830 --- /dev/null +++ b/src/splash.js @@ -0,0 +1,9 @@ +var cl = require('class-list') + +try { + require('@stackgl/splash-grid')( + document.getElementById('grid') + ) +} catch(e) { + cl(document.body).add('no-webgl') +}