public void InitTime(AnimMapClip clip)
{
animStartRate = (float)clip.startHeight / (float)s_AnimDataInfo.maxHeight;
float totalRate = (float)clip.height / (float)s_AnimDataInfo.maxHeight;
animEndRate = animStartRate + totalRate;
m_Speed = 1.0f / clip.animLen * (animEndRate - animStartRate);
Replay();
}
public List <BakedData> Bake()
{
if (_animData == null)
{
Debug.LogError("bake data is null!!");
return(_bakedDataList);
}
int totalHeight = 0;
AnimDataInfo animDataInfo = new AnimDataInfo();
//所有动作生成在一个动作图上面
for (int i = 0; i < _animData.Value.AnimationClips.Count; i++)
{
var animationState = _animData.Value.AnimationClips[i];
if (!animationState.clip.legacy)//因为是顶点动画所以只能是legacy
{
Debug.LogError(string.Format($"{animationState.clip.name} is not legacy!!"));
continue;
}
int startHeight = totalHeight;
int frameHeight = (int)(animationState.clip.frameRate * animationState.length);//得到动画总帧数
totalHeight += frameHeight;
float perFrameTime = animationState.length / frameHeight;
AnimMapClip animMapClip = new AnimMapClip();
animMapClip.startHeight = startHeight;
animMapClip.height = frameHeight;
// animMapClip.perFrameTime = perFrameTime;
animMapClip.animLen = animationState.clip.length;
animMapClip.name = animationState.name;
animDataInfo.animMapClips.Add(animMapClip);
}
// totalHeight = Mathf.NextPowerOfTwo(totalHeight);
animDataInfo.maxHeight = totalHeight;
var animMap = new Texture2D(_animData.Value.MapWidth, totalHeight, TextureFormat.RGBAHalf, true);
animMap.name = string.Format($"{_animData.Value.Name}.animMap");
Debug.LogError(totalHeight);
for (int i = 0; i < animDataInfo.animMapClips.Count; i++)
{
BakePerAnimClip(_animData.Value.AnimationClips[i], ref animMap, animDataInfo.animMapClips[i]);
}
animMap.Apply();
//在生成一个动画信息文本
var animInfoJson = JsonUtility.ToJson(animDataInfo);
Debug.LogError(animInfoJson);
_bakedDataList.Add(new BakedData(animMap.name, animMap, animInfoJson));
return(_bakedDataList);
}
private void BakePerAnimClip(AnimationState curAnim, ref Texture2D texture, AnimMapClip animMapClip)
{
float sampleTime = 0;
float perFrameTime = 0;
perFrameTime = curAnim.length / animMapClip.height;//得到单位时间的帧数
_animData.Value.AnimationPlay(curAnim.name);
for (int i = animMapClip.startHeight; i < animMapClip.startHeight + animMapClip.height; i++)
{
curAnim.time = sampleTime;
_animData.Value.SampleAnimAndBakeMesh(ref _bakedMesh);
for (int j = 0; j < _bakedMesh.vertexCount; j++)
{
var vertex = _bakedMesh.vertices[j];
texture.SetPixel(j, i, new Color(vertex.x, vertex.y, vertex.z));
}
sampleTime += perFrameTime;
}
// texture.Apply();
}