Try it on TurboWarp: https://turbowarp.org/864125818?turbo&clones=Infinity&hqpen press space to open menu, and press k to pause/unpause boids. Click boids to mark/unmark them, and hover over boids to see their number. press j while hovering over a boid to delete it, and press l to create a new boid.
code: 14% me 86% @griffpatch sounds/music: 100% me (music made in garageband)