public boolean erasePoint(int x, int y) {
		int i = 0;
		for (i = 0; i < getNumberOfPoints(); i++) {
			Point p = targetArray.get(i);
			if (p.x == x && p.y == y) {
				break;
			}
		}
		if(i == getNumberOfPoints()) {
			return false;
		}
		
		targetArray.remove(i);
		gameMap[x][y] = 0;
		numberOfPoints--;
		return true;
	}