public AffineTransform3 Invert()
{
AffineTransform3 result;
result.Transform = Transform.Invert();
result.Translation = Translation.Transform(result.Transform);
result.Translation = -result.Translation;
return(result);
}
public void NonhomogeneousInvert()
{
Mat3 m3 = this;
m3.Invert();
this.x = m3.x;
this.y = m3.y;
this.z = m3.z;
Vec3 v = m3.Transform(this.w);
this.w.x = -v.x;
this.w.y = -v.y;
this.w.z = -v.z;
}
