package com;

import java.awt.image.BufferedImage;

public class Column {
	int x, y;
	int width, height;
	BufferedImage co_image;

	int gap; // 上下间隙
	int distance; // 水平间隙

	int min = -(1200 / 2 - 144 / 2);
	int max = 644 - 146 - 144 / 2 - 1200 / 2;

	public Column() {
		co_image = BirdGame.col_img;
		width = co_image.getWidth();
		// width = (int) (Math.random() * 20 + 150);
		height = co_image.getHeight();
		x = 432;
		y = (int) (Math.random() * (max - min) + min);
		gap = 144; // 144
		distance = 244;
	}

	public void star() {
		x = x - 1;
		if (x <= -width) { // 柱子越界
			x = 432;
			// 重新随机
			y = (int) (Math.random() * (max - min) + min);
		}
	}
}