废话不多说,直接奉上代码:
Frame.java
package snake; import java.awt.Graphics; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; public class Frame extends JFrame implements KeyListener { /** * */ Boolean isAlive; Boolean isPause; Panel panel; Character direction; private static final long serialVersionUID = 1L; public Frame(){ // TODO Auto-generated constructor stub setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(300,300); addKeyListener(this); panel = new Panel(); add(panel); setVisible(true); isAlive = true; isPause = false; direction = new Character('d'); MenuBar menuBar = new MenuBar(); Menu menu = new Menu("menu"); MenuItem reset = new MenuItem("newgame"); MenuItem pause= new MenuItem("pause"); pause.addActionListener(new ActionListener(){ @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if(!isPause) isPause= true; else isPause= false; } }); reset.addActionListener(new ActionListener(){ @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub reset(); } }); menu.add(reset); menu.add(pause); menuBar.add(menu); setMenuBar(menuBar); } public void reset(){ panel.reset(); isAlive = true; } @Override public void keyTyped(KeyEvent e) { // TODO Auto-generated method stub } @Override public void keyPressed(KeyEvent e) { // TODO Auto-generated method stub if(e.getKeyCode()==KeyEvent.VK_UP) direction = 'w'; if(e.getKeyCode()==KeyEvent.VK_DOWN) direction = 's'; if(e.getKeyCode()==KeyEvent.VK_LEFT) direction = 'a'; if(e.getKeyCode()==KeyEvent.VK_RIGHT) direction = 'd'; } @Override public void keyReleased(KeyEvent e) { // TODO Auto-generated method stub } public void paint(Graphics g){ panel.repaint(); } }
Launch.java
package snake; import java.util.Timer; import java.util.TimerTask; public class Launch extends TimerTask { Frame frame = new Frame(); public Launch() { // TODO Auto-generated constructor stub } boolean crashWall(){ SnakeBody sb = frame.panel.snake.getFirst(); if((sb.x<0)||(sb.y<0)||(sb.x>=Panel.LINE)||(sb.y>=Panel.LINE)) return true; else return false; } void initial(){ frame.panel.snake.add(newBody()); frame.panel.food = newBody(); } @Override public void run() { // TODO Auto-generated method stub if(frame.panel.snake.isEmpty()) initial(); if(frame.isAlive) if(!frame.isPause){ if(goStraight()) frame.isAlive = false; frame.repaint(); } if(crashWall()) frame.isAlive = false; } SnakeBody newBody(){ SnakeBody sb = new SnakeBody(); boolean overlap = true; while(overlap){ overlap =false; sb.x = (int) (Math.random()*(Panel.LINE-2)+1); sb.y = (int) (Math.random()*(Panel.LINE-2)+1); if(!frame.panel.snake.isEmpty()) for(SnakeBody s : frame.panel.snake) if(sb.equals(s)) overlap =true; } return sb; } void eat(SnakeBody sb){ frame.panel.snake.addFirst(sb); } boolean goStraight(){ boolean result = false; SnakeBody sb =new SnakeBody(frame.panel.snake.getFirst()); frame.panel.snake.removeLast(); if(frame.direction=='w') sb.turnUp(); if(frame.direction=='s') sb.turnDown(); if(frame.direction=='a') sb.turnLeft(); if(frame.direction=='d') sb.turnRight(); for(SnakeBody s : frame.panel.snake){ if(sb.equals(s)) result = true; } frame.panel.snake.addFirst(sb); if(sb.equals(frame.panel.food)){ if(frame.direction=='w') frame.panel.food.turnUp(); if(frame.direction=='s') frame.panel.food.turnDown(); if(frame.direction=='a') frame.panel.food.turnLeft(); if(frame.direction=='d') frame.panel.food.turnRight(); eat(frame.panel.food); frame.panel.food = newBody(); } return result; } public static void main(String[] args){ // TODO Auto-generated method stub Launch timertask = new Launch(); Timer timer = new Timer(); timer.schedule(timertask,0,500); } }
Panel.java
package snake; import java.awt.Color; import java.awt.Graphics; import java.util.LinkedList; import javax.swing.JPanel; public class Panel extends JPanel { /** * */ private static final long serialVersionUID = 1L; public LinkedList<SnakeBody> snake = new LinkedList<SnakeBody>(); static final int LINE = 10; SnakeBody food = new SnakeBody(-99,-99); public Panel() { // TODO Auto-generated constructor stub } public void reset(){ snake.clear(); } public void paint(Graphics g){ g.setColor(Color.white); g.fillRect(0, 0, getWidth(), getHeight()); for(SnakeBody sb : snake){ g.setColor(Color.black); g.drawRect(sb.x*getWidth()/LINE,sb.y*getHeight()/LINE,getWidth()/LINE,getHeight()/LINE); g.setColor(Color.orange); g.fillRect(sb.x*getWidth()/LINE,sb.y*getHeight()/LINE,getWidth()/LINE,getHeight()/LINE); } g.setColor(Color.red); g.fillRect(food.x*getWidth()/LINE,food.y*getHeight()/LINE,getWidth()/LINE,getHeight()/LINE); } }
SnakeBody.java
package snake; class SnakeBody { int x; int y; public SnakeBody() { // TODO Auto-generated constructor stub x = 0; y = 0; } public SnakeBody(int a,int b){ x = a; y = b; } public SnakeBody(SnakeBody sb){ this(sb.x,sb.y); } public void turnUp(){ y--; } public void turnDown(){ y++; } public void turnLeft(){ x--; } public void turnRight(){ x++; } boolean equals(SnakeBody s){ if((x==s.x)&&(y==s.y)) return true; else return false; } }
以上所述就是本文给大家分享的贪吃蛇的全部代码了,希望能够对大家熟练掌握java有所帮助。
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时间: 2024-11-02 04:32:46