/// <summary>
///
/// </summary>
/// <param name="point"></param>
/// <param name="start"></param>
/// <param name="axis"></param>
/// <param name="radius"></param>
/// <returns></returns>
public static double Capsule(Vector3d point, Vector3d start, Vector3d axis, double radius)
{
var d = point - start;
var t = SlurMath.Saturate(Vector3d.Dot(d, axis) / axis.SquareLength);
return((d - axis * t).Length - radius);
}
/// <summary>
///
/// </summary>
/// <param name="point"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="radius"></param>
/// <returns></returns>
public static double Capsule(Vec3d point, Vec3d start, Vec3d end, double radius)
{
var d0 = point - start;
var d1 = end - start;
var t = SlurMath.Saturate(Vec3d.Dot(d0, d1) / d1.SquareLength);
return((d0 - d1 * t).Length - radius);
}
/// <summary>
///
/// </summary>
/// <param name="weight"></param>
/// <returns></returns>
public float ToScale(float weight)
{
var t = SlurMath.Saturate(SlurMath.Normalize(weight, _weight0, _weight1));
return(SlurMath.Lerp(_scale0, _scale1, t));
}