public Box(Point3 corner, Vector3 width, Vector3 height, Vector3 depth)
{
_corner1 = corner;
_corner2 = new Point3(corner + width + height + depth);
_width = width;
_width_normal = width.Normalize();
_height = height;
_height_normal = _height.Normalize();
_depth = depth;
_depth_normal = _depth.Normalize();
_l1 = (new Vector3(_corner1)).Length;
_l2 = (new Vector3(_corner2)).Length;
float v = _corner1.Dot(_height_normal);
float f2 = _corner1.Dot(_depth_normal);
float f3 = _corner2.Dot(_width_normal);
}