贪吃蛇（迷恋）.rar

package GluttonousSnake; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.util.Random; //游戏的面板 public class GamePanel extends JPanel implements KeyListener, ActionListener { int score = 0;//游戏分数 int speed = 100;//速度 //定义蛇得到数据结构 int length;//蛇的长度 int[] snakeX = new int[600];//蛇的X坐标 25*25 int[] snakeY = new int[500];//蛇的Y坐标 25*25 String fx;//蛇的方向 //食物的坐标 int foodX; int foodY; Random random = new Random(); //游戏当前的状态：开始，停止 boolean isStart = false;//默认不开始！ boolean isFail = false;//游戏失败状态，默认没失败 //定时器，以毫秒为单位 1000ms = 1s Timer timer = new Timer(speed,this);//100毫秒执行一次！ //构造方法 public GamePanel(){ init(); //获得焦点和键盘事件 this.setFocusable(true);//获得焦点事件 this.addKeyListener(this);//获得键盘监听事件 timer.start(); } //初始化方法 public void init(){ length = 3; snakeX[0] = 100;snakeY[0] = 100;//脑袋的坐标 snakeX[1] = 75;snakeY[1] = 100;//第一个身体的坐标 snakeX[2] = 50;snakeY[2] = 100;//第二个身体的坐标 fx = "R";//小蛇的初始方向向右 score = 0;//游戏分数初始为0 speed=100;//初始运行速度为100毫秒一次 //把食物随机分布在界面上 foodX = 25 + 25*random.nextInt(34); foodY = 75 + 25*random.nextInt(24); } //绘制面板 @Override protected void paintComponent(Graphics g) { super.paintComponent(g); //清屏 //绘制静态的面板 this.setBackground(Color.white); Data.header.paintIcon(this,g,25,11); //头部广告栏画上去 g.setColor(Color.BLACK); g.fillRect(25,75,850,600);//默认的游戏界面 //画食物 Data.food.paintIcon(this,g,foodX,foodY); for (int i = 0; i < length; i++) { if (snakeX[i]==foodX&&snakeY[i]==foodY) Data.food.paintIcon(this,g,foodX,foodY); } //把小蛇画上去 //画蛇的头 if (fx.equals("R")){ Data.right.paintIcon(this,g,snakeX[0],snakeY[0]);//蛇头的初始位置向右，需要通过方向来判断 }else if (fx.equals("L")){ Data.left.paintIcon(this,g,snakeX[0],snakeY[0]); }else if (fx.equals("U")){ Data.up.paintIcon(this,g,snakeX[0],snakeY[0]); }else if (fx.equals("D")){ Data.down.paintIcon(this,g,snakeX[0],snakeY[0]); } //遍历，画蛇的身体 for(int i = 1;i < length ;i++){ Data.body.paintIcon(this,g,snakeX[i],snakeY[i]); } //游戏状态 if(isStart==false){ g.setColor(Color.white); g.setFont(new Font("微软雅黑",Font.BOLD,40)); g.drawString("按下空格开始游戏",300,300); } if (isFail == true){ g.setColor(Color.red); g.setFont(new Font("微软雅黑",Font.BOLD,40)); g.drawString("游戏结束！",300,300); } g.setColor(Color.BLACK); g.setFont(new Font("微软雅黑",Font.BOLD,16)); g.drawString("长度:"+length,400,35); g.drawString("分数:"+score,400,50); } @Override public void keyTyped(KeyEvent e) { } //键盘监听事件 @Override public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode();//获得键盘按键是哪一个 if (keyCode == KeyEvent.VK_SPACE){ if (isFail){ //重新开始 isFail = false; init(); }else{ isStart = !isStart;//取反 } repaint(); } if (keyCode == KeyEvent.VK_UP){ fx = "U"; }else if(keyCode == KeyEvent.VK_DOWN){ fx = "D"; }else if(keyCode == KeyEvent.VK_LEFT){ fx = "L"; }else if(keyCode == KeyEvent.VK_RIGHT){ fx = "R"; } } @Override public void keyReleased(KeyEvent e) { } //事件监听--需要通过固定事件来刷新，1s10次 @Override public void actionPerformed(ActionEvent e) { if (isStart&&isFail==false){//如果游戏是开始状态，就让小蛇动起来 //吃食物 if (snakeX[0]==foodX&&snakeY[0]==foodY){ //长度+1 length++; score+=10; //重置食物的位置 foodX = 25 + 25*random.nextInt(34); foodY = 75 + 25*random.nextInt(24); } if (score>100&&score<200&&speed==100){ speed-=5; }else if(score>200&&score<400&&score==95){ speed-=5; }else if (score>400&&score==90){ speed-=10; } //移动 for (int i = length-1; i > 0 ; i--) { snakeX[i]=snakeX[i-1];//向前移动一节 snakeY[i]=snakeY[i-1]; } if (fx.equals("R")){ //右移 snakeX[0] = snakeX[0]+25; }else if (fx.equals("L")){ //左移 snakeX[0] = snakeX[0]-25; }else if (fx.equals("U")){ //上移 snakeY[0] = snakeY[0]-25; }else if(fx.equals("D")){ //下移 snakeY[0] = snakeY[0]+25; } //边界判断 if (snakeX[0]>850){ snakeX[0] = 25; }else if (snakeX[0]<25){ snakeX[0] = 850; }else if (snakeY[0]>650){ snakeY[0] = 75; }else if (snakeY[0]<75){ snakeY[0] = 650; } //失败判断，撞到自己就失败 for (int i = 1; i < length; i++) { if (snakeX[0]==snakeX[i]&&snakeY[0]==snakeY[i]) isFail = true; } repaint();//刷新页面 } timer.start(); } }