public void run() {
		for (int i = 0; i < BRICKS_IN_BASE; i++) {
			for (int j = i; j >= 0; j--) {
				int x = getWidth()/2-BRICK_WIDTH/2-j*BRICK_WIDTH+i*BRICK_WIDTH/2;
				int y = getHeight()-BRICKS_IN_BASE*BRICK_HEIGHT+i*BRICK_HEIGHT;
				GRect brick = new GRect(x,y, BRICK_WIDTH, BRICK_HEIGHT);
				add(brick);
				pause(30);
			}
		}
	}