* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
this.container = container;
sheet = new PackedSpriteSheet("testdata/testpack.def", Image.FILTER_NEAREST);
rocket = sheet.getSprite("rocket");
SpriteSheet anim = sheet.getSpriteSheet("runner");
runner = new Animation();