That's raytracing. You can do LOS by raycasting only at line segments and points of blocking shapes, especially in 2D, which is the original post's concern. htt

That's raytracing. You can do LOS by raycasting only at line segments and points of blocking shapes, especially in 2D, which is the original post's concern. https://ncase.me/sight-and-light/ https://ncase.me/sight-and-light/