void Start()
{
float t = Vector3.Distance(spline.GetPositionWorldSpace(0), thisTransform.position);
radius = t;
float w = spline.GetAntialiasingWidth();
spline.SetAntialiasingWidth(w * AntiAliasPlaftformFactor);
//antiAliasFactor = radius * spline.GetAntialiasingWidth();
antiAliasWidth = spline.GetAntialiasingWidth();
mass = density * radius * radius;
}