Challenge Idea: All The Colors (Rainbow Smoke)

Love this! One of my favorite things about this forum has always been the way we play with and improve each other’s ideas. A few of the things I think are coolest about this: use of paint and palettes greatly speeds up color comparison vs hypot3(), and cuts down color storage size. saved neighborhood map! I thought about doing this, pretty much exactly this way with 2 neighbors per element, but was scared off by the potential storage cost. Glad to be wrong! dynamic renderer swapping. ...