- Fixed debug draw overlay not disappearing when checkbox unchecked
- Added canvas.style.display control in onToggleDebugMode
- Kept existing canvas-based PlanckDebugDraw system
- Both canvas overlay and PIXI debug layer are now properly toggled
- Debug physics bodies now properly show/hide with checkbox
- Replace Box2D.js with Planck.js physics engine
- Update all require paths from 'Lib/Vendor/Box2D' to 'Lib/Vendor/Planck'
- Convert Box2D contact listeners to Planck.js event system
- Fix all method name capitalization (Get* -> get*, Set* -> set*)
- Update collision detection system for Planck.js compatibility
- Server now starts successfully and basic physics working
- Character can land on platforms - core physics functional
Major milestone: Game now running on modern, maintained physics engine