详细解读Java25D推箱子游戏的源代码-课程设计

import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Image; import java.awt.Toolkit; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.geom.GeneralPath; import javax.swing.JOptionPane; import javax.swing.JPanel; //人物可动 public class PushBox_manmove extends JPanel implements KeyListener{ private Image pic[] = null; // 图片 int initX=200,initY=70; //map1为第一层，map2为第二层 private int [][]map1={//第一层地图，即地板层 {-1,-1,-1,1, 0, 1, 0, 1,-1,-1,-1,-1,-1,-1}, {-1,-1,-1,0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1}, {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1}, {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1}, {1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0}, {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0,-1,-1,-1}, {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,-1,-1,-1} }; private int [][]map2={//第二层地图，建筑物 {-1,-1,-1,2, 2, 2, 2, 2,-1,-1,-1,-1,-1,-1}, {-1,-1,-1,2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2}, {2, 2, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2}, {2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2}, {2, 0, 0, 0, 1, 0, 2, 0, 0, 2, 0, 0, 0, 2}, {2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2}, {2, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 1, 0, 2}, {2, 0, 0, 0, 1, 2, 2, 0, 0, 0, 1, 0, 0, 2}, {2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 2}, {2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 2}, {2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 2}, {2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2}, {2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2,-1,-1,-1}, {2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,-1,-1,-1} }; // 定义一些常量，对应地图的元素 final byte WALL = 2, BOX = 1, BOXONEND = 3, END = 2, WhiteGRASS = 0, BlackGRASS = 1; private int row = 7, column = 7; // 加载图片 Image box=Toolkit.getDefaultToolkit().getImage("images\\box.png"); Image wall = Toolkit.getDefaultToolkit().getImage("images\\wall.png"); Image greenBox= Toolkit.getDefaultToolkit().getImage("images\\greenbox.png"); Image man = Toolkit.getDefaultToolkit().getImage("images\\b1.png");//人物 Image background= Toolkit.getDefaultToolkit().getImage("images\\background.jpg");//背景 private static final int LEFT = 0; private static final int RIGHT = 1; private static final int UP = 2; private static final int DOWN = 3; //增加计步器 private int count=1; private Thread threadAnime; private int direction=LEFT; //角色所对方向 public PushBox_manmove() { // 设置焦点 setFocusable(true); this.addKeyListener(this); //控制人物移动的线程 //实例化内部线程AnimationThread threadAnime = new Thread(new AnimationThread()); //启动线程 threadAnime.start(); } public void myDrawRect(Graphics g, int x, int y) {// 绘制多边形 Graphics2D g2D = (Graphics2D) g; if (g2D == null) { return; } GeneralPath path = new GeneralPath(); path.moveTo(x + 14, y); path.lineTo(x + 53, y + 10); path.lineTo(x + 37, y + 37); path.lineTo(x - 2, y + 26); path.lineTo(x + 14, y); g2D.fill(path); // g.draw(myPath); } // 画游戏界面 public void paint(Graphics g) { g.clearRect(0,0,this.getWidth(),getHeight()); g.setColor(Color.BLACK); g.drawImage(background, 0, 0,800,800,this);//画游戏背景 //绘制第一层,即地板层 //WhiteGRASS = 0, END = 2,BlackGRASS = 1; for(int i=0; i<map1.length; i++){ for(int j=0; j<map1[i].length; j++){ //根据索引值进行坐标转换 int X = initX+36*j-15*i; int Y = initY+10*j+25*i; if(map1[i][j] == WhiteGRASS){//白色空地 /*设置paint的颜色*/ g.setColor(new Color(255, 220, 220, 220)); this.myDrawRect(g, X, Y); } else if(map1[i][j] == BlackGRASS){//灰色空地 g.setColor(new Color(255, 170, 170, 170)); this.myDrawRect(g, X, Y); } else if(map1[i][j] == END){//目的地 g.setColor(new Color(255, 60, 255, 120)); this.myDrawRect(g, X, Y); } } } //开始绘制第二层,即建筑所在层 for(int i=0; i<map2.length; i++){ for(int j=0; j<map2[i].length; j++){ //根据索引值进行坐标转换 int X = initX+36*j-15*i; int Y = initY+10*j+25*i; if(map2[i][j] == BOX){//第二层上有箱子处 g.drawImage(box, X-1, Y-27,this); } else if(map2[i][j] == WALL){//墙 g.drawImage(wall, X, Y-25,this); } else if(map2[i][j] == BOXONEND){//目的地的绿色箱子 g.drawImage(greenBox, X-1, Y-27,this); } //绘制人 if(i == row && j == column){ g.drawImage(man, X-1, Y-27,this); } } } } public void keyReleased(KeyEvent arg0) { // TODO Auto-generated method stub } public void keyTyped(KeyEvent arg0) { // TODO Auto-generated method stub } public void keyPressed(KeyEvent e) { // TODO Auto-generated method stub if (e.getKeyCode() == KeyEvent.VK_UP) { // 向上 moveUp(); } if (e.getKeyCode() == KeyEvent.VK_DOWN) { // 向下 moveDown(); } if (e.getKeyCode() == KeyEvent.VK_LEFT) { // 向左 moveLeft(); } if (e.getKeyCode() == KeyEvent.VK_RIGHT) { // 向右 moveRight(); } repaint(); if (isWin()) { JOptionPane.showMessageDialog(this, "恭喜您通过一关！！！"); } } private void moveLeft() { // TODO Auto-generated method stub // 左一位p1为WALL if (map2[row][column - 1] == WALL) return; // 左一位p1为 BOX if (map2[row][column - 1] == BOX || map2[row][column - 1] == BOXONEND) { if (map2[row][column - 2] == WALL) return; if (map2[row][column - 2] == BOX) return; if (map2[row][column - 2] == BOXONEND) return; // 左2位p2为 END,GRASS则向上一步 if (map1[row][column - 2] == END || map1[row][column - 2] == WhiteGRASS || map1[row][column - 2] == BlackGRASS) { // 左左一位p2为 END if (map1[row][column - 2] == END) // 上上一位p2为 END map2[row][column - 2] = BOXONEND; if (map1[row][column - 2] == WhiteGRASS // 上上一位p2为GRASS || map1[row][column - 2] == BlackGRASS) map2[row][column - 2] = BOX; map2[row][column - 1] = -1;// 原来箱子被移掉 // 人离开后修改人的坐标 //man = Toolkit.getDefaultToolkit().getImage("images\\b1.png");// 向左人物 direction=LEFT; column--; } } else { // 左一位为 GRASS,END,其他情况不用处理 if (map1[row][column - 1] == WhiteGRASS || map1[row][column - 1] == BlackGRASS || map1[row][column - 1] == END) { // 人离开后修改人的坐标 //man = Toolkit.getDefaultToolkit().getImage("images\\b1.png");// 人物 direction=LEFT; column--; } } } private void moveRight() { // TODO Auto-generated method stub // 右一位p1为WALL if (map2[row][column + 1] == WALL) return; // 右一位p1为 BOX if (map2[row][column + 1] == BOX || map2[row][column + 1] == BOXONEND) { if (map2[row][column + 2] == WALL) return; if (map2[row][column + 2] == BOX) return; if (map2[row][column + 2] == BOXONEND) return; // 右2�