Unity编辑器 - Rigidbody动力学Bake到AnimationClip

Unity编辑器 - Rigidbody动力学Bake到AnimationClip

Unity文档移动平台优化部分提到Physics对CPU的消耗较大

将动力学的特效如破碎等Bake成动画也是优化性能的手段之一，在Unity中可以很方便的将刚体动力学录制成AnimationClip。

using UnityEditor.Experimental.Animations;
using UnityEngine;
using UnityEditor;

public class TransformAnimRecorder : MonoBehaviour {
    private AnimationClip clip;
    //停止录制时保存Clip
    public bool record = true;

    private GameObjectRecorder _recorder;

    void Start() {
        clip = new AnimationClip();
        _recorder = new GameObjectRecorder();
        _recorder.root = gameObject;
        _recorder.BindComponent<Transform>(gameObject, true);
    }

    void LateUpdate() {
        if (clip == null)
            return;

        if (record) {
            _recorder.TakeSnapshot(Time.deltaTime);
        }
        else if (_recorder.isRecording) {
            _recorder.SaveToClip(clip);
            _recorder.ResetRecording();
            AssetDatabase.CreateAsset(clip, "Assets/RecordTest/testClip.anim");
        }
    }
}