public void WorldToToken(SBSVector3 worldPos, out float longitudinal, out float trasversal)
{
switch (type)
{
case TokenType.Cross:
case TokenType.Rect:
SBSVector3 localPos = matInvWorld.MultiplyPoint3x4(worldPos);
longitudinal = SBSVector3.Dot(localPos, SBSVector3.forward) / lengthOrRadius;
trasversal = SBSVector3.Dot(localPos, SBSVector3.right) * 2.0f / width;
break;
case TokenType.Curve:
SBSVector3 c = this.Center,
p0 = matWorld.position - c,
p1 = worldPos - c;
p0.DecrementBy(SBSVector3.Dot(p0, SBSVector3.up) * SBSVector3.up);
p1.DecrementBy(SBSVector3.Dot(p1, SBSVector3.up) * SBSVector3.up);
float sign = SBSMath.Sign(SBSVector3.Dot(SBSVector3.Cross(p0, p1), SBSVector3.up));
float angle = SBSVector3.Angle(p0, p1);
longitudinal = angle / arcAngle;
if (sign == curveDir)
{
longitudinal *= -1.0f;
}
trasversal = (p1.magnitude - lengthOrRadius) * 2.0f * curveDir / width;
break;
default:
longitudinal = 0.0f;
trasversal = 0.0f;
break;
}
}