|
public static TriangleAreaAfterTransform ( Vector3D &p1, Vector3D &p2, Vector3D &p3, Vector3D>.System |
||
| p1 | Vector3D | |
| p2 | Vector3D | |
| p3 | Vector3D | |
| transform | Vector3D>.System | |
| return | double | |
public static double TriangleAreaAfterTransform( ref Vector3D p1, ref Vector3D p2, ref Vector3D p3,
System.Func<Vector3D, Vector3D> transform )
{
p1 = transform( p1 );
p2 = transform( p2 );
p3 = transform( p3 );
Vector3D v1 = p1 - p3;
Vector3D v2 = p2 - p3;
return 0.5 * v1.Cross( v2 ).Abs();
}