MRClass/Assets/DefaultPlayables/LightControl/LightControlTrack.cs

using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
using System.Collections.Generic;

[TrackColor(0.9454092f, 0.9779412f, 0.3883002f)]
[TrackClipType(typeof(LightControlClip))]
[TrackBindingType(typeof(Light))]
public class LightControlTrack : TrackAsset
{
    public override Playable CreateTrackMixer(PlayableGraph graph, GameObject go, int inputCount)
    {
        return ScriptPlayable<LightControlMixerBehaviour>.Create (graph, inputCount);
    }

    public override void GatherProperties(PlayableDirector director, IPropertyCollector driver)
    {
#if UNITY_EDITOR
       Light trackBinding = director.GetGenericBinding(this) as Light;
       if (trackBinding == null)
           return;
       driver.AddFromName<Light>(trackBinding.gameObject, "m_Color");
       driver.AddFromName<Light>(trackBinding.gameObject, "m_Intensity");
       driver.AddFromName<Light>(trackBinding.gameObject, "m_Range");
       driver.AddFromName<Light>(trackBinding.gameObject, "m_BounceIntensity");
#endif
        base.GatherProperties(director, driver);
    }
}