tanchishe.rar_JAVA贪吃蛇_java 贪吃蛇_贪吃蛇

import javax.swing.*; import java.awt.*; import java.util.*; import java.awt.event.*; public class aa extends JPanel implements Runnable,KeyListener { public static int eatx=300,eaty=300; public static int flag=0; public static int number=0; public static int speed=200; public static Points ps[]=new Points[60]; public int direction=0;//0 -right 1-left 2-down 3-up public aa(){ ps[0]=new Points(200,120); number++; ps[1]=new Points(180,120); number++; ps[2]=new Points(160,120); number++; ps[3]=new Points(140,120); number++; addKeyListener(this); Integer score=number*10-40; set.jscore.setText(score.toString()); } public void paint(Graphics g) { move(direction); super.paintComponent(g); g.drawLine(20,20,420,20); g.drawLine(20,420,420,420); g.drawLine(420,20,420,420); g.drawLine(20,20,20,420); for(int i=0;i<number;i++) { g.setColor(Color.blue); g.fillRect(ps[i].getX(),ps[i].getY(),18,18); } g.setColor(Color.red); if(flag==0) g.fillRect(eatx,eaty,18,18); else { Integer score=number*10-40; set.jscore.setText(score.toString()); createeat();flag=0; g.fillRect(eatx,eaty,18,18); } } public void keyPressed(KeyEvent e) { //决定方向 if(e.getKeyCode()==KeyEvent.VK_DOWN && direction!=2 && direction!=3) direction=2; if(e.getKeyCode()==KeyEvent.VK_UP && direction!=3 && direction!=2) direction=3; if(e.getKeyCode()==KeyEvent.VK_RIGHT && direction!=0 && direction!=1) direction=0; if(e.getKeyCode()==KeyEvent.VK_LEFT && direction!=1 && direction!=0) direction=1; } public void move(int d){ if(d==0) { int tx=ps[0].getX()+20; int ty=ps[0].getY(); for(int i=3;i<number;i++) { if(tx==ps[i].getX() && ty==ps[i].getY()) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞到自己了!","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } } if((ps[0].getX()+20)!=eatx || ps[0].getY()!=eaty) { if(ps[0].getX()==400) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } int x=ps[0].getX(); int y=ps[0].getY(); x=x+20; ps[0].setX(x); ps[0].setY(y); } } else { if(ps[0].getX()==400) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { flag=1; ps[number]=new Points(eatx,eaty); number++; for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } ps[0].setX(eatx); ps[0].setY(eaty); } } } if(d==1) { int tx=ps[0].getX()-20; int ty=ps[0].getY(); for(int i=3;i<number;i++) { if(tx==ps[i].getX() && ty==ps[i].getY()) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞到自己了!","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } } if((ps[0].getX()-20)!=eatx || ps[0].getY()!=eaty) { if(ps[0].getX()==20) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } int x=ps[0].getX(); int y=ps[0].getY(); x=x-20; ps[0].setX(x); ps[0].setY(y); } } else { if(ps[0].getX()==20) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { flag=1; ps[number]=new Points(0,0); number++; for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } ps[0].setX(eatx); ps[0].setY(eaty); } } } if (d==2) { int tx=ps[0].getX(); int ty=ps[0].getY()+20; for(int i=3;i<number;i++) { if(tx==ps[i].getX() && ty==ps[i].getY()) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞到自己了!","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } } if((ps[0].getY()+20)!=eaty || ps[0].getX()!=eatx) { if(ps[0].getY()==400) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } int x=ps[0].getX(); int y=ps[0].getY(); y=y+20; ps[0].setX(x); ps[0].setY(y); } } else { if(ps[0].getY()==400) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { flag=1; ps[number]=new Points(0,0); number++; for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } ps[0].setX(eatx); ps[0].setY(eaty); } } } if(d==3) { int tx=ps[0].getX(); int ty=ps[0].getY()-20; for(int i=3;i<number;i++) { if(tx==ps[i].getX() && ty==ps[i].getY()) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞到自己了!","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } } if((ps[0].getY()-20)!=eaty || ps[0].getX()!=eatx) { if(ps[0].getY()==20) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } int x=ps[0].getX(); int y=ps[0].getY(); y=y-20; ps[0].setX(x); ps[0].setY(y); } } else { if(ps[0].getY()==20) { bb.flag=1; JOptionPane.showMessageDialog(null,"你撞墙了！","snakeover",JOptionPane.ERROR_MESSAGE); System.exit(0); } else { flag=1; ps[number]=new Points(0,0); number++; for(int i=number-1;i>0;i--) { ps[i].setX(ps[i-1].getX()); ps[i].setY(ps[i-1].getY()); } ps[0].setX(eatx); ps[0].setY(eaty); } } } } public void keyReleased(KeyEvent e){} public void keyTyped(KeyEvent e){} public synchronized void run() { while (bb.flag==0) { //需要改变每个方块的位置 //这里最重要改变头的位置 //设一个成员变量，4个值，决定蛇移动的方向 repaint(); try{ Thread.sleep(speed); }catch(Exception ee){ } } } public void createeat() { Random eatone=new Random(); while(true) { int flag=0; eatx=eatone.nextInt(20); eaty=eatone.nextInt(20); eatx=eatx*20+20;eaty=eaty*20+20; for(int i=0;i<aa.number;i++) { if(eatx==aa.ps[i].getX() && eaty==aa.ps[i].getY()) flag=1; } if(flag==0) break; } } }