City. Don't mind the artifacts - they'll be fixed. Eventually. I promise. Also I'm really tired. #gamedev #indiedev

Found a nice way to approximate road and wheel disk motion blur using anisotropic filtering controlled via textureGrad #gamedev

So if you thought Doom on Linux in a fragment shader in VRChat was crazy... Turns out if you optimize it enough to run Quake 3 Arena! I also added VR controls. And even a barely working LAN connection between users via Udon. World: vrchat.com/home/launch?world…

The idea was to basically use minimum blending and use all 4 color channels on the screen to write 4 depths: Nearest frontsurface, nearest backsurface, furthest frontsurface and furthest backsurface. (you can do min and max by inverting the numbers) Rendering the liquid with ZTest Off gives a pretty good approximation of the surfaces the liquid has that are within the field of view. Combining this with screen space ray marching of the scene depth and one can get a pretty decent emulation of how a multibounce ray traced fluid would have looked like, while being much faster. Without the 4 depths it would have been impossible to properly show the optical depth of absorption of light of the entire mass of fluid with air in-between.