Controls

Mode

Bridson (blue noise) Uniform random Regular grid

Minimum radius r: 14 px Attempts k: 30 Animation speed: 200/frame Show background grid Radial spectrum inset Variable radius (density) Paint density map (drag canvas)

Stats

Points placed0

Attempts made0

Acceptance ratio—

Current r14

Active list0

Bridson's algorithm: maintain an active list, sample k candidates in the annulus [r, 2r] around a random active point, accept the first one ≥ r from every neighbour. A background grid of cell r/√2 makes neighbour checks O(1), so the whole thing runs in O(n). The result is "blue noise": evenly spread, no clumps, low-frequency suppressed.