Fixed level rendering at edges. Fixed clipping through tiles at high
speeds. Added more levels. Fixed particle collisions. Added mouse click
detection. Added particle spawning on mouse click. Added water. Added
death with animation. Particles and actors now only render when on
screen and only run when within 2000 pixels. Added speed multiplier to
movement, you can now play with a low frame rate. Added sound with
option for it in main menu. Particles get pushed away if you go near
them. Added enemy that goes back and forth and spawns with the level.
Added xvel and yvel monitors. Added blur to menu title. Changed credits.
Removed loader. Other minor changes.
Added loader which loads external files, not working properly so may
remove. Added main menu, multiplayer just goes to singleplayer for now.
Moved levels into separate .js file for easy editing and changed
structure for procedural level generation. Other minor changes.
