I was attempting to create an efficient approximation for a line-of-sight test between two boxes. The naive method would be to send straight rays out from the boundary of the “seeing”/source box and check intersections with all other boxes. I thought I could use fewer rays by branching them as they got further apart This was the visualization which showed me I had not coded what I was envisioning. You can see the darker blue box which was the source in the center and the green box test object in the lower right corner.