# Physics Sandbox Physics Sandbox — Visual demo of the SimVX physics engine. Demonstrates: - Falling cubes under gravity - Static ground plane - Bouncing spheres with restitution - Impulse-driven interaction Controls: SPACE — Spawn a new ball with random impulse R — Reset the scene ESC — Quit Run with: python physics_sandbox.py ## Source Code ```{literalinclude} ../../packages/graphics/examples/game_physics_sandbox.py :language: python :linenos: ```