java贪吃蛇小游戏(三)

接下来是我为了便于修改游戏数据提取的图片类(GetImage())，组件位置尺寸的设置类(LocationSize())、窗口操作类(UiUtil),以及方向的枚举类

package util;
import java.awt.Image;
import java.awt.Toolkit;
import java.net.URL;

/**
 * 此类用于放置各个显示对象的背景绘制的素材，便于素材的修改和替换，提供静态字段
 */
public class GetImage {
	// 获取工具类对象
	// public static Toolkit getDefaultToolkit():获取默认工具包。
	static Toolkit tk = Toolkit.getDefaultToolkit();
	// 获取图片路径，对于用到的图片都提供了静态字段值
	public static Image BACKGROUND = tk.getImage("src\\resource\\indexBackground.jpg");
    //开始我的贪吃蛇和食物也是用图片绘制的，效果不太好就改成画笔直接绘制了，这是一开始用的贪吃蛇的图片素材
	public static Image HEADRIGHT = tk.getImage("src\\resource\\head.jpg");
	public static Image HEADLEFT = tk.getImage("src\\resource\\lefthead.jpg");
	public static Image HEADUP = tk.getImage("src\\resource\\uphead.jpg");
	public static Image HEADDOWN = tk.getImage("src\\resource\\downhead.jpg");
	public static Image FOOD = tk.getImage("src\\resource\\food.jpg");
	public static Image BODY = tk.getImage("src\\resource\\body.jpg");
    //按钮的背景图片
	public static Image START = tk.getImage("src\\resource\\start.jpg");
	public static Image EXIT = tk.getImage("src\\resource\\exit.jpg");
	public static Image SETTING = tk.getImage("src\\resource\\setting.jpg");
	public static Image HELP = tk.getImage("src\\resource\\help.jpg");
}

package util;

/**
 * 用来提供出现组件大小和位置等数据，便于数据的统一管理和修改 组件：窗口JFrame 背景面板 JPanel 开始按钮 startJButton
 * 设置按钮setJButton 退出按钮exitJBtton 帮助按钮helpJButton
 */
public class LocationSize {
	// 针对每一个组件的高宽，位置设置四个静态字段
	// 窗口
	public static int FRAMEH = 570;
	public static int FRAMEW = 820;
	public static int FRAMEX = 0;
	public static int FRAMEY = 0;
	// 背景面板
	public static int BACKPANELH = 570;
	public static int BACKPANELW = 820;
	public static int BACKPANELX = 0;
	public static int BACKPANELY = 0;
	// 开始按钮
	public static int STARTBH = 45;
	public static int STARTBW = 184;
	public static int STARTBX = 624;
	public static int STARTBY = 88;
	// 退出按钮
	public static int EXITBH = 44;
	public static int EXITBW = 183;
	public static int EXITBX = 625;
	public static int EXITBY = 214;
	// 帮助按钮
	public static int HELPBH = 38;
	public static int HELPBW = 111;
	public static int HELPBX = 661;
	public static int HELPBY = 277;
	// 设置按钮
	public static int SETBH = 43;
	public static int SETBW = 184;
	public static int SETBX = 624;
	public static int SETBY = 152;
	// 得分标签
	public static int SCORELH = 28;
	public static int SCORELW = 64;
	public static int SCORELX = 689;
	public static int SCORELY = 467;
	//速度标签
	public static int SPEEDLH = 28;
	public static int SPEEDLW = 64;
	public static int SPEEDLX = 689;
	public static int SPEEDLY = 421;
}

package util;

import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.MouseAdapter;

import javax.swing.JFrame;

/*
 * 对界面进行操作的工具类
 */
public class UiUtil extends MouseAdapter {
	// 设置窗体居中的方法
	public static void setFrameCenter(JFrame jf) {
		/*
		 * 思路： A:获取屏幕的长和宽 B:获取窗体的长和宽 C:(屏幕的长-窗体的长)/2，(屏幕的宽-窗体的宽)/2作为窗体的新坐标
		 */
		// 获取工具对象
		Toolkit tk = Toolkit.getDefaultToolkit();
		// 获取屏幕的宽和高
		Dimension d = tk.getScreenSize();
		int screenWidth = (int) d.getWidth();
		int screenHeight = (int) d.getHeight();

		// 获取窗体的宽和高
		int frameWidth = jf.getWidth();
		int frameHeight = jf.getHeight();

		// 获取新的窗体坐标
		int newX = (screenWidth - frameWidth) / 2;
		int newY = (screenHeight - frameHeight) / 2;

		// 设置新的窗体坐标
		jf.setLocation(newX, newY);
	}

}

package pojo;

public enum Direction {
	UP,DOWN,LEFT,RIGHT
}

java贪吃蛇小游戏(三)

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