removed jQuery dependency
implemented quadnet setup using html tags and minimal JS
implemented automatic resize of camera, renderer, etc...
implemented x,y and radius attribute for game objects
implemented collision detection and progressive asteroid spawning
destroy of bullets when collide with asteriods
implemented embedded html for hud
implemented score (emulogic font)
refactor: created class for ship
separated game in rounds, the scene is initialized on each round but game state is keep (score, lives, level)
fixed collision logic
reduced collision radius of ship
added sound to explosions (panned)
added sounds for shooting
converted explosion sound from wav to ogg format
change velocity and volume of shoot effect