public void ToggleUseWorldSpace () {
useWorldSpace = !useWorldSpace;
if (points == null) return;
convexPoints = null;
Matrix4x4 matrix = useWorldSpace ? transform.localToWorldMatrix : transform.worldToLocalMatrix;
for (int i=0;i<points.Length;i++) {
points[i] = matrix.MultiplyPoint3x4 (points[i]);
}
}