敲代码的第十八天：推箱子2.0（java）

package com.wangwang2;

import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

public class Gameframe extends Jframe {
    private JPanel panel = null;
    private JLabel box = null;
    private JLabel worker = null;
    private JLabel goal = null;
    private JLabel[] walls = null;


    public Gameframe(String title) {
        super(title);
        setSize(22 * 48 + 10, 12 * 48 + 38);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
        setResizable(false);

        initPanel();
        initWalls();
        this.goal = initLabel("goal3.png",17,6);
        this.worker = initLabel("workerRight3.png",3,3);
        this.box = initLabel("box3.png",8,9);


        addEvent();
    }
    private JLabel initLabel(String imgPath,int x,int y){
        ImageIcon img = new ImageIcon("imgs/"+ imgPath);
        JLabel label = new JLabel(img);
        panel.add(label);
        label.setBounds(x*48,y*48,48,48);
        return label;
        }

    private void initWalls() {
        this.walls = new JLabel[22 * 2 + (12 - 2) * 2 + 6 + 5 + 5];
        ImageIcon wallImg = new ImageIcon("imgs/wall3.png");
        for (int i = 0; i < walls.length; i++) {
            walls[i] = new JLabel(wallImg);
        }
        //添加四周围墙
        int index = 0;
        for (int i = 0; i < 22; i++) {
            panel.add(walls[index]);
            walls[index++].setBounds(i * 48, 0, 48, 48);
            panel.add(walls[index]);
            walls[index++].setBounds(i * 48, 11 * 48, 48, 48);
        }
        for (int i = 1; i <= 10; i++) {
            panel.add(walls[index]);
            walls[index++].setBounds(0, i * 48, 48, 48);
            panel.add(walls[index]);
            walls[index++].setBounds(21 * 48, i * 48, 48, 48);
        }
        //添加障碍物
        //横着加
        for (int i = 0; i < 5; i++) {
            panel.add(walls[index]);
            walls[index++].setBounds((6 + i) * 48, 3 * 48, 48, 48);
        }
        //竖着加
        for (int i = 0; i <= 5; i++) {
            panel.add(walls[index]);
            walls[index++].setBounds(14 * 48, (4 + i) * 48, 48, 48);
        }
        //正斜着加
        for (int i = 0; i < 5; i++) {
            panel.add(walls[index]);
            walls[index++].setBounds((3 + i) * 48, (4 + i) * 48, 48, 48);
        }
    }

    private void initPanel() {
        panel = new JPanel();
        panel.setBackground(Color.PINK);
        panel.setLayout(null);
        super.setContentPane(panel);
    }
    private void addEvent(){
        super.addKeyListener(new KeyListener() {
            @Override
            public void keyTyped(KeyEvent e) {
            }
            @Override
            public void keyPressed(KeyEvent e) {
                int keyCode = e.getKeyCode();
                //System.out.println(keyCode);
                String workerImgPath = "workerRight3.png";
                int x = 0, y = 0;
                if (keyCode == KeyEvent.VK_A || keyCode == KeyEvent.VK_LEFT) {
                    x = -48;
                    workerImgPath = "workerLeft3.png";
                } else if (keyCode == KeyEvent.VK_W || keyCode == KeyEvent.VK_UP) {
                    y = -48;
                    workerImgPath = "workerUp3.png";
                } else if (keyCode == KeyEvent.VK_D || keyCode == KeyEvent.VK_RIGHT) {
                    x = 48;
                } else if (keyCode == KeyEvent.VK_S || keyCode == KeyEvent.VK_DOWN) {
                    y = 48;
                    workerImgPath = "workerDown3.png";
                }
                worker.setBounds(worker.getBounds().x + x, worker.getBounds().y + y, 48, 48);
                ImageIcon img = new ImageIcon("imgs/" + workerImgPath);
                worker.setIcon(img);
                //工人不能穿墙
                for (int i = 0; i < walls.length; i++) {
                    //如果工人的边界与某块围墙的边界有交集
                    if (worker.getBounds().intersects(walls[i].getBounds())) {
                        worker.setBounds(worker.getBounds().x - x, worker.getBounds().y - y, 48, 48);
                        break;
                    }
                }
                //如果工人的边界与箱子的边界有交集
                if (worker.getBounds().intersects(box.getBounds())) {
                    box.setBounds(box.getBounds().x + x, box.getBounds().y + y, 48, 48);
                }
                //判断箱子是否穿墙
                for (int i = 0; i <= walls.length; i++) {
                    //如果箱子的边界与某块围墙的边界有交集
                    if (box.getBounds().intersects(walls[i].getBounds())) {
                        //箱子退
                        box.setBounds(box.getBounds().x - x, box.getBounds().y - y, 48, 48);
                        //工人退
                        worker.setBounds(worker.getBounds().x - x, worker.getBounds().y - y, 48, 48);
                        break;
                    }
                }
                //判断输赢
                if (box.getBounds().intersects(goal.getBounds())) {
                    JOptionPane.showMessageDialog(null, "恭喜您成功通关！");
                    System.exit(0);
                    //退出系统结束进程
                }
            }

            @Override
            public void keyReleased(KeyEvent e) {

            }
        });
    }
}