gistfile1.java

Map<Integer, Integer> collided = new HashMap<Integer, Integer>();

for (int i = 0; i < 4; i++) {
	for (int j = 0; j < 7; j++) {
		Vec3D hand = hands[i];
		AABB box = boxes[j];

		if (box.containsPoint(hand) && pointClassification.equals(cutPlane.classifyPoint(hand, 0).toString())) {
			boolean triggered = (collided.get(i) == j);

			if (triggered) {
				continue;
			}

			collided.put(i, j);

			trigger();
		}
		else if (collided.get(i) == j) {
			collided.remove(i);
		}
	}
}