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               <h2>Camera orientation</h2>
                <p>By default, Processing's 3-D coordinates have the origin placed are the top left corner of the screen, and the Y axis pointing down. Calling the cameraUp() function this setting is overriden by the more common in VR with the origin at the center of the screen, and the Y axis pointing up.</p>

<pre><code>
<span style="color: #33997E;">void</span> <span style="color: #006699;"><b>setup</b></span>() {
&nbsp;&nbsp;<span style="color: #006699;">fullScreen</span>(<span style="color: #718A62;">P3D</span>);
&nbsp;&nbsp;cameraUp();
}&nbsp;

<span style="color: #33997E;">void</span> <span style="color: #006699;"><b>draw</b></span>() {
&nbsp;&nbsp;<span style="color: #006699;">background</span>(0);
&nbsp;&nbsp;<span style="color: #006699;">box</span>(300);
}
</code></pre>

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