Hard edges are a challenge right now. Thinking in 2D for a second, to get a nice crispy edge, you need a long and opaque splat to mark the boundary. Sometimes

Hard edges are a challenge right now. Thinking in 2D for a second, to get a nice crispy edge, you need a long and opaque splat to mark the boundary. Sometimes the long splat could wisp off leaving fuzzy artifacts. Take this example: https://www.shadertoy.com/view/dtSfDD https://www.shadertoy.com/view/dtSfDD Peyman Milanfar [1] suggested using bump functions instead. Bump functions would allow you to specify cut off intervals but still make the whole function smooth and continuous (good for my gradient optimization freaks) 1: https://x.com/docmilanfar/status/1719584410348204233 https://x.com/docmilanfar/status/1719584410348204233