crystal .spawn(new Vector2f(pointX,pointY), immobile, nullLayer);
corb .spawn(new Vector2f(pointX-400,pointY), immobile, layer);
pointY-=interspaceY;
booster .spawn(new Vector2f(pointX+60,pointY), immobile, nullLayer);
booster.addBooster(layer);
booster.addBooster(layer);