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Polski🏜️ Sand Helix — 2D Angle-of-Repose Pile Simulator
2D companion to Sand Helix: a discrete granular-pile model where sand grains fall from an orbiting drop point and pile up under a real, adjustable angle-of-repose toppling rule, tracing a helical deposition pattern.
This 2D companion turns the 3D Sand Helix's orbiting drop point into a real discrete granular-pile model viewed from the side: grains fall under gravity from a point sweeping sinusoidally overhead, settle onto a height field, and that height field is relaxed every step by a genuine angle-of-repose toppling rule (Δh over Δx clamped to tan θc), so the resulting cone or ridge shape is a direct, adjustable consequence of the physics rather than a decorative animation.
2D companion to Sand Helix: a discrete granular-pile model where sand grains fall from an orbiting drop point and pile up under a real, adjustable angle-of-repose toppling rule, tracing a helical deposition pattern.
2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install