Method SquareDistance

Engine/lib/opcode/Ice/IceRay.cpp:65–83

using namespace IceMaths;

float Ray::SquareDistance(const Point& point, float* t)	const
{
	Point Diff = point - mOrig;
	float fT = Diff | mDir;

	if(fT<=0.0f)
	{
		fT = 0.0f;
	}
	else
	{
		fT /= mDir.SquareMagnitude();
		Diff -= fT*mDir;
	}

	if(t) *t = fT;

	return Diff.SquareMagnitude();
}