a simple collection of 2d collision/intersects functions, supporting points, circles, circle outlines (circumference), lines, axis-aligned boxes, and polygons (convex)

Collision detection for circles, polygons, and points

Locomotion engine for WebXR applications - physics-based movement, teleportation, and collision detection for Three.js

An elastic collision force type for the d3-force simulation engine.

A draggable and resizable grid layout with responsive breakpoints, for React. Fork to fix resize prevent collision

2D Collision Detection

Run a project's process-compose stack across multiple git worktrees without collision.

Adjustable quadrant-based collision detection.

Leaflet plugin for uncluttering L.Markers using basic collision detection.

SignalK server plugin that detects a risk of collision with other vessels

A 2D collision checker for modern JavaScript games.

Prefixed, collision-resistant ID generation for Intutic workspaces and entities

Native 2D collision, query and sensor runtime for ExoJS.

Deterministic fixed-point physics engine for Phalanx Engine - spatial hashing, collision detection, and resolution

3D world layer: scene shell, player controller, collision, proximity, model loading

Deterministic rigid-body simulation, collision shapes, contacts, constraints, raycasts, fixed stepping, scene/ECS bridges, and debug draw extraction.

2d collision detection library

Load chitin .phys collision sidecars in the browser

Domain-agnostic computational geometry: primitives, polygons, NFP, collision detection, spatial indexing.

This library uses SAT to provide basic 2D collision.