MotionBlurModel.cs

using System;

namespace UnityEngine.PostProcessing
{
    [Serializable]
    public class MotionBlurModel : PostProcessingModel
    {
        [Serializable]
        public struct Settings
        {
            [Range(0f, 360f), Tooltip("The angle of rotary shutter. Larger values give longer exposure.")]
            public float shutterAngle;

            [Tooltip("The amount of sample points, which affects quality and performances.")]
            public int sampleCount;

            [Range(0.5f, 10f), Tooltip("The maximum length of motion blur, given as a percentage of the screen height. Larger values may introduce artifacts and will affect performances.")]
            public float maxBlurRadius;

            [Range(0f, 1f), Tooltip("The strength of multiple frame blending. The opacity of preceding frames are determined from this coefficient and time differences.")]
            public float frameBlending;

            public static Settings defaultSettings
            {
                get
                {
                    return new Settings
                    {
                        shutterAngle = 270f,
                        sampleCount = 10,
                        maxBlurRadius = 5f,
                        frameBlending = 0f
                    };
                }
            }
        }

        [SerializeField]
        Settings m_Settings = Settings.defaultSettings;
        public Settings settings
        {
            get { return m_Settings; }
            set { m_Settings = value; }
        }

        public override void Reset()
        {
            m_Settings = Settings.defaultSettings;
        }
    }
}