public void OnUpdate(AnimProxy animProxy, TrailMgr.InterpolationMode interpolationMode)
{
if (animProxy && animProxy.IsPlaying(clip))
{
RawSample(animProxy, interpolationMode);
}
BuildTrailMesh();
}
/// <summary>
/// 依据clip中固定在武器上的trail对象的移动轨迹获得一系列采样点
/// </summary>
void RawSample(AnimProxy animProxy, TrailMgr.InterpolationMode interpolationMode)
{
// 动画的播放进度
float normalizedTime = animProxy.GetNormalizedTime(clip);
// 遍历设定的每个动画采样时段（注意：时段之间不能有重叠）
foreach (var clipNormalizedTime in clipNormalizedTimes)
{
if (normalizedTime < clipNormalizedTime.startNormalizedTime)
{
// 本时段尚未开始
continue;
}
if (normalizedTime < clipNormalizedTime.stopNormalizedTime)
{
// 进入指定动画进度
if (clipNormalizedTime.sampling == false)
{
// 开始本时段采样
clipNormalizedTime.sampling = true;
for (int i = 0; i < _rawSamples.Count; ++i)
{
SamplePointData.pool.Collect(_rawSamples[i]);
}
_rawSamples.Clear();
}
}
else
{
// 离开指定动画进度
if (clipNormalizedTime.sampling)
{
// 停止采样
clipNormalizedTime.sampling = false;
}
continue;
}
// 添加原始样本
SamplePointData raw = SamplePointData.pool.Get();
raw.pos = trail.transform.position;
raw.forward = trail.transform.forward;
raw.right = trail.transform.right;
raw.sampleTimer = Time.timeSinceLevelLoad;
_rawSamples.Add(raw);
// 平滑插值处理
MakeSmooth(/*Mathf.InverseLerp(clipNormalizedTime.startNormalizedTime,
* clipNormalizedTime.stopNormalizedTime, normalizedTime)*/interpolationMode);
}
}
void MakeSmooth(TrailMgr.InterpolationMode interpolationMode)
{
/*if (_rawSamples.Count < 3)
* {
* return;
* }*/
_rawPosList.Clear();
_samplePosList.Clear();
foreach (var raw in _rawSamples)
{
_rawPosList.Add(raw.pos);
}
for (int i = 0; i < _samples.Count; ++i)
{
SamplePointData.pool.Collect(_samples[i]);
}
_samples.Clear();
switch (interpolationMode)
{
case TrailMgr.InterpolationMode.LINE:
MakeSamplesByLine();
break;
case TrailMgr.InterpolationMode.CATMULLROM:
// catmullrom样条平滑构建新的样品位置点
MathTools.GetCatmullRomSplineFullPathPoints(_rawPosList, false, ref _samplePosList, _smoothVal);
MakeSamplesBySpline();
break;
case TrailMgr.InterpolationMode.BEZIER:
// bezier样条平滑构建新的样品位置点
MathTools.GetBezierSplineFullPathPoints(_rawPosList, ref _samplePosList, _smoothVal * 10);
MakeSamplesBySpline();
break;
default:
return;
}
}
