Matter.js is a 2D physics engine for the web — see all demos →

  • Rigid bodies
  • Compound bodies
  • Composite bodies
  • Concave and convex hulls
  • Physical properties (mass, area, density etc.)
  • Restitution (elastic and inelastic collisions)
  • Collisions (broad-phase, mid-phase and narrow-phase)
  • Stable stacking and resting
  • Conservation of momentum
  • Friction and resistance
  • Events
  • Constraints
  • Gravity
  • Sleeping and static bodies
  • See all features