game2d

Further code reorganization; HitBox classes integrated; Ladder mechanics largely improved; X/YDirection classes, hope it'll be helpful; Some bugs related to speed management

Ladder collision improved; Pause screen now blurs for 20 frames only; Few keyboard methods added

Refactoring

Funny ladder bug fixed

Destructible level elements; Collision bugs found and fixed; Keys poll reimplemented for keyboard; Game states prototype code added; MainCanvas removed; etc.