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PolskiStarling Murmuration 2D: Top-Down Boids & Falcon Panic
A top-down boids flock — cohesion, alignment and separation over a spatial hash grid — with a diving falcon that triggers a visible panic wave and a click-to-gust wind that scatters the birds.
This 2D companion strips the 3D murmuration down to a top-down boids view: the same cohesion, alignment and separation rules run over a spatial hash grid so hundreds of birds stay smooth, a falcon still circles, dives and climbs to trigger a visible panic wave through the flock, and clicking or tapping the sky pushes a wind gust the birds swerve around — the coordination mechanics read clearly without a 3D camera to orbit.
Top-down boids flock (cohesion + alignment + separation) over a spatial hash grid, with a diving falcon and a click-to-gust wind, mirroring the 3D original's forces in 2D.
2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install