public ArrayList<Collidable[]> checkCollisions() {
		ArrayList<Collidable[]> collisions = new ArrayList<Collidable[]>();
		
		for(int a = 0; a < entities.size() - 1; a++) {
			for(int b = a + 1; b < entities.size(); b++) {
				Collidable[] current = new Collidable[2];
				current[0] = entities.get(a);
				current[1] = entities.get(b);
				
				if(entities.get(a).getHitbox().intersects(entities.get(b).getHitbox())) {
					collisions.add(current);
				}
			}
		}
		
		return collisions;
	}