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🐟 Fish School — Boids Flocking with Predator (2D)

A 2D Canvas boids flocking simulation of a fish school. Real separation, alignment and cohesion steering with adjustable weights, click-to-drop predators and obstacles, and a live cohesion/speed HUD.

Biology & Life2DEasy60 FPS📱 Mobile-adapted💧 Water ⇄ 3D version

⚙ Under the hood

A 2D Canvas boids flocking simulation of a fish school. Real separation, alignment, and cohesion steering rules combine into emergent schooling, with adjustable per-rule weights and click-to-drop predators or obstacles that trigger flee behavior.

boidsflockingpredator-preyemergent-behaviorcanvas2dunderwater

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install