public static vec3 Interpolate(FramePosition from, float current, FramePosition to)
{
float scale = math1.To01(from.time, current, to.time);
if (math1.IsWithin(0, scale, 1) == false)
{
throw new Exception("invalid scale");
}
return(vec3.Interpolate(from.location, scale, to.location));
}
private static vec3 Interpolate(float time, List <FramePosition> fp)
{
int fpi = Timed.Get <FramePosition>(fp, time);
if (fpi == -1)
{
return(vec3.Zero);
}
vec3 res = FramePosition.Interpolate(fp[fpi - 1], time, fp[fpi]);
return(res);
}
public void addPositon(FramePosition fp)
{
this.fp.Add(fp);
}
