public static Vector3 getNextPosValue_Ex(Vector3 now, FduTransformObserver_Ex observer)
{
var dts = observer.getDataTransmitStrategy();
if (dts == null || !dts.GetType().Equals(typeof(FduDTS_EveryNFrame)))
{
return(Vector3.zero);
}
FduDTS_EveryNFrame dtsN = (FduDTS_EveryNFrame)dts;
try
{
FduDTS_EveryNFrame.InterpolationOption interOp = dtsN.getInterPolationOption();
FduDTS_EveryNFrame.ExtrapolationOption extraOp = dtsN.getExtrapolationOption();
int interval = dtsN.getInterval();
int cur = dtsN.getCurFrame();
Vector3 offset = Vector3.zero;
Vector3 lastValue = observer.getCachedPos(observer.getCachedPosCount() - 1);
if (extraOp != FduDTS_EveryNFrame.ExtrapolationOption.Disable)
{
int count = observer.getCachedPosCount();
if (count >= 2)
{
if (extraOp == FduDTS_EveryNFrame.ExtrapolationOption.CachedEarliest)
{
offset = (lastValue - observer.getCachedPos(0)) / (count - 1.0f);
}
else if (extraOp == FduDTS_EveryNFrame.ExtrapolationOption.CachedLatest)
{
offset = (lastValue - observer.getCachedPos(count - 2));
}
}
}
lastValue = lastValue + offset;
if (interOp == FduDTS_EveryNFrame.InterpolationOption.Disable)
{
return(lastValue);
}
else if (interOp == FduDTS_EveryNFrame.InterpolationOption.EstimateStep)
{
int count = observer.getCachedPosCount();
if (count >= 2)
{
float step = Vector3.Distance(lastValue - offset, observer.getCachedPos(count - 2)) / interval;
return(Vector3.MoveTowards(now, lastValue, step));
}
return(lastValue);
}
else if (interOp == FduDTS_EveryNFrame.InterpolationOption.FixedStep)
{
if ((interval - cur + 1) > 0)
{
var res = Vector3.Lerp(now, lastValue, 1.0f / (interval - cur + 1));
return(res);
}
else
{
return(lastValue);
}
}
else if (interOp == FduDTS_EveryNFrame.InterpolationOption.Lerp)
{
return(Vector3.Lerp(now, lastValue, Time.deltaTime * dtsN.getLerpSpeed()));
}
return(lastValue);
}
catch (System.Exception)
{
return(Vector3.zero);
}
}
