private void killCheck() {
		try {
			for (Shot s : lev.player.shots) {
				for (Enemy e : lev.enemies) {
					if (Math.sqrt(Math.pow((s.y-e.y),2)+Math.pow((s.x-e.x),2))<10) {
						lev.player.shots.remove(s);
						lev.enemies.remove(e);
						newSpawn--;
						lev.player.score+=(120-newSpawn);
						killedEnemies++;
					}
				}
			}

			for (Enemy e : lev.enemies) {
				if (Math.sqrt(Math.pow((lev.player.y-e.y),2)+
						Math.pow((lev.player.x-e.x),2))<20) {
					finalScore = lev.player.score;
					lev.isRunning = false;
					lev.isEnd = true;
					scrollCount = 0;
				}
			}
		} catch (ConcurrentModificationException e) {}
	}