public void Play()
{
Init();
if (!mInited)
{
return;
}
//场景切换，会删除Go，所以要检查
if (mMeshObj == null)
{
InitMeshObj();
return;
}
//gameObject.SetActive(true);
if (mMeshObj != null)
{
mMeshObj.SetActive(true);
}
//如果开始的点太远，重置一遍，因为光效优化的位置是在99999
//if (mSnapshotList[0].PointStart.sqrMagnitude > 100000000 ||
// mSnapshotList[0].PointEnd.sqrMagnitude > 100000000 ||
// RelaryLifeFrame != LifeFrame)
//{
//RelaryLifeFrame = LifeFrame;
InitOriginalElements();
InitSpline();
// }
mFadeT = 1f;
mIsFading = false;
mFadeTime = 1f;
mFadeElapsedime = 0f;
mElapsedTime = 0f;
//重置
for (int i = 0; i < mSnapshotList.Count; i++)
{
mSnapshotList[i].PointStart = PointStart.position;
mSnapshotList[i].PointEnd = PointEnd.position;
//mSpline.ControlPoints[i].Position = mSnapshotList[i].Pos;
//mSpline.ControlPoints[i].Normal = mSnapshotList[i].PointEnd - mSnapshotList[i].PointStart;
}
//重置
RefreshSpline();
UpdateVertex();
GenerateMaterialInstance();
UpdateMaterial();
PlayMaterialControl();
EffectUtily.DispatchRender(m_Render, m_Render.sharedMaterial);
mVertexPool.LateUpdate();
bActive = true;
}
private void LateUpdate()
{
if (!_inited)
{
return;
}
if (CapFps)
{
_time += Time.deltaTime;
if (_time < 1f / 90)
{
return;
}
_time = 0;
}
_frameNum++;
if (_frameNum == _skipFirstFrames + 1)
{
_vertexPool.SetMeshObjectActive(true);
_spline.Granularity = Granularity;
_spline.Clear();
for (int i = 0; i < TrailLength; i++)
{
_spline.AddControlPoint(CurHeadPos, PointStart.position - PointEnd.position);
}
_snapshotList.Clear();
_snapshotList.Add(new Element(PointStart.position, PointEnd.position));
_snapshotList.Add(new Element(PointStart.position, PointEnd.position));
}
else if (_frameNum < _skipFirstFrames + 1)
{
return;
}
UpdateHeadElem();
RecordCurElem();
RefreshSpline();
UpdateVertex();
_vertexPool.LateUpdate();
}