csharp PlayableTrackサンプル

Posted 2021-05-12

using UnityEngine;
using UnityEngine.Playables;

// PlayableTrackサンプル
[System.Serializable]
public class TestPlayableAsset : PlayableAsset
{
	// シーン上のオブジェクトはExposedReference<T>を使用する
	public ExposedReference<GameObject> sceneObj;
	// Project内であれば以下の定義でも可
	public GameObject projectObj;

	public override Playable CreatePlayable (PlayableGraph graph, GameObject go)
	{
		var behaviour = new TestPlayableBehaviour ();
		behaviour.sceneObj = sceneObj.Resolve (graph.GetResolver ());
		behaviour.projectObj = projectObj;
		return ScriptPlayable<TestPlayableBehaviour>.Create (graph, behaviour);
	}
}

using UnityEngine;
using UnityEngine.Playables;

// PlayableTrackサンプル
public class TestPlayableBehaviour : PlayableBehaviour
{
	public GameObject sceneObj;
	public GameObject projectObj;

	GameObject obj;
	// タイムライン開始時実行
	public override void OnGraphStart (Playable playable)
	{
	}
	// タイムライン停止時実行
	public override void OnGraphStop (Playable playable)
	{
	}
	// PlayableTrack再生時実行
	public override void OnBehaviourPlay (Playable playable, FrameData info)
	{
		if (Application.isPlaying && obj == null)
			obj = Object.Instantiate (projectObj) as GameObject;
	}
	// PlayableTrack停止時実行
	public override void OnBehaviourPause (Playable playable, FrameData info)
	{
		if (obj != null)
			Object.Destroy (obj);
	}
	// PlayableTrack再生時毎フレーム実行
	public override void PrepareFrame (Playable playable, FrameData info)
	{
		if (sceneObj != null)
			sceneObj.transform.Translate (new Vector3 (0.1f, 0));
	}
}