public double getDist(sg_Vector3 pt)
{
sg_Vector3 v = new sg_Vector3(pt);
sg_Transformation m = new sg_Transformation(_v, certenPt);
sg_Vector3 newv = m.inverse(v);
return(Math.Abs(newv.z));
}
public bool get2DPoint(sg_Vector3 pt, out sg_Vector3 retPt)
{
sg_Vector3 v = new sg_Vector3(pt.x, pt.y, pt.z);
retPt = new sg_Vector3(0, 0, 0);
sg_Transformation m = new sg_Transformation(_v, certenPt);
sg_Vector3 newv = m.inverse(v);
if (!sg_math.isZero(newv.z))
{
return(false);
}
retPt = new sg_Vector3(newv);
return(true);
}