public void Invalidate()
{
if (shape == null || Points == null || Points.Length < 2)
{
return;
}
CatmullRomSpline spline = new CatmullRomSpline(Points);
var step = 1.0f / 1000.0f;
var previous = new Vector3(Single.PositiveInfinity, Single.PositiveInfinity, Single.PositiveInfinity);
for (int i = 0; i <= 1000; i++)
{
var position = spline.Evaluate(i * step);
var d = Vector3.Distance(position, previous);
if (d > Step)
{
pointList.Add(position);
previous = position;
}
}
if (pointList.Count < 1)
{
return;
}
shape.SetPoints(pointList.ToArray());
pointList.Clear();
}