try {
//populate map!!!
effectiveMap=new ConcurrentHashMap<Integer,Entity>();
effectiveMap.put(FireBall.type, new FireBall(-100,0,0,null));
effectiveMap.put(BasicTestUnit.type, new BasicTestUnit(-100,0,null));
effectiveMap.put(RainbowCannon.type, new RainbowCannon(0,0,0,null));
//if char select put certain char
ranbowLazer1=ImageIO.read(new File("rainbowLazer1.png"));
ranbowLazer2=ImageIO.read(new File("rainbowLazer3.png"));
droid=ImageIO.read(new File("droid.jpg"));
smokeEffect=ImageIO.read(new File("smoke.png"));