Paint Splotch Shadertoy

Press play to run. Don't use full screen!

Paint splotches spread at different speeds and can't move through each other. The resulting boundary for 2 splotches is part circle, part exponential spiral. With even 3 splotches, the equations get really complicated.

View/edit the code here.

Not working? Check the software requirements. In chrome, you may have to turn on "Use hardwre acceleration when available" in the settings.