Simulation of the light-bending effects of black holes.
WASD to move around, space and shift for up and down, mouse cursor to look around.
Escape will toggle between this overlay and your ability to move around (also done with the button on the top left).
Pause animation:
Ray marching is the method I use to trace light when it enters a black hole. This option is here, so you can see how the objects look with the black hole removed.
Show (ray marching) debugging colors:Works only with enabled ray marching. Green for rays that couldn't escape. Red for rays that didn't hit anything (or hit the skybox).