华容道.txt

JAVA编写的华容道

  华容道 
import java.awt.*; 
import java.applet.*; 
import java.awt.event.*; 
class People extends Button implements FocusListener //代表华容道人物的类。 
{Rectangle rect=null; 
int left_x,left_y;//按扭的左上角坐标. 
int width,height; //按扭的宽和高. 
String name; int number; 
People(int number,String s,int x,int y,int w,int h,HuaRongRoad road) 
{super(s); 
name=s;this.number=number; 
left_x=x;left_y=y; 
width=w;height=h; setBackground(Color.orange); 
road.add(this); addKeyListener(road); 
setBounds(x,y,w,h);addFocusListener(this); 
rect=new Rectangle(x,y,w,h); 
} 
public void focusGained(FocusEvent e) 
{ setBackground(Color.red); 
} 
public void focusLost(FocusEvent e) 
{ setBackground(Color.orange); 
} 
} 
public class HuaRongRoad extends Applet 
implements KeyListener,ActionListener 
{ People people[]=new People[10]; 
Rectangle left,right,above ,below;//华容道的边界 . 
Button restart=new Button("重新开始"); 
public void init() 
{setLayout(null); add(restart); 
restart.setBounds(5,5,80,25); 
restart.addActionListener(this); 
people[0]=new People(0,"曹操",104,54,100,100,this); 
people[1]=new People(1,"关羽",104,154,100,50,this); 
people[2]=new People(2,"张飞",54, 154,50,100,this); 
people[3]=new People(3,"刘备",204,154,50,100,this); 
people[4]=new People(4,"张辽",54, 54, 50,100,this); 
people[5]=new People(5,"曹仁",204, 54, 50,100,this); 
people[6]=new People(6,"兵 ",54,254,50,50,this); 
people[7]=new People(7,"兵 ",204,254,50,50,this); 
people[8]=new People(8,"兵 ",104,204,50,50,this); 
people[9]=new People(9,"兵 ",154,204,50,50,this); 
people[9].requestFocus(); 
left=new Rectangle(49,49,5,260); 
people[0].setForeground(Color.white) ; 
right=new Rectangle(254,49,5,260); 
above=new Rectangle(49,49,210,5); 
below=new Rectangle(49,304,210,5); 
} 
public void paint(Graphics g) 
{//画出华容道的边界: 
g.setColor(Color.cyan); 
g.fillRect(49,49,5,260);//left. 
g.fillRect(254,49,5,260);//right. 
g.fillRect(49,49,210,5); //above. 
g.fillRect(49,304,210,5);//below. 
//提示曹操逃出位置和按键规则: 
g.drawString("点击相应的人物,然后按键盘上的上下左右箭头移动",100,20); 
g.setColor(Color.red); 
g.drawString("曹操到达该位置",110,300); 
} 
public void keyPressed(KeyEvent e) 
{ People man=(People)e.getSource();//获取事件源. 
man.rect.setLocation(man.getBounds().x, man.getBounds().y); 
if(e.getKeyCode()==KeyEvent.VK_DOWN) 
{ man.left_y=man.left_y+50; //向下前进50个单位。 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
//判断是否和其它人物或下边界出现重叠,如果出现重叠就退回50个单位距离。 
for(int i=0;i<10;i++) 
{if((man.rect.intersects(people[i].rect))&&(man.number!=i)) 
{man.left_y=man.left_y-50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(man.rect.intersects(below)) 
{ man.left_y=man.left_y-50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(e.getKeyCode()==KeyEvent.VK_UP) 
{ man.left_y=man.left_y-50; //向上前进50个单位。 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
//判断是否和其它人物或上边界出现重叠,如果出现重叠就退回50个单位距离。 
for(int i=0;i<10;i++) 
{if((man.rect.intersects(people[i].rect))&&(man.number!=i)) 
{man.left_y=man.left_y+50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(man.rect.intersects(above)) 
{ man.left_y=man.left_y+50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(e.getKeyCode()==KeyEvent.VK_LEFT) 
{man.left_x=man.left_x-50; //向左前进50个单位。 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
//判断是否和其它人物或左边界出现重叠,如果出现重叠就退回50个单位距离。 
for(int i=0;i<10;i++) 
{if((man.rect.intersects(people[i].rect))&&(man.number!=i)) 
{man.left_x=man.left_x+50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(man.rect.intersects(left)) 
{ man.left_x=man.left_x+50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(e.getKeyCode()==KeyEvent.VK_RIGHT) 
{ man.left_x=man.left_x+50; //向右前进50个单位。 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
//判断是否和其它人物或右边界出现重叠,如果出现重叠就退回50个单位距离。 
for(int i=0;i<10;i++) 
{if((man.rect.intersects(people[i].rect))&&(man.number!=i)) 
{man.left_x=man.left_x-50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
if(man.rect.intersects(right)) 
{ man.left_x=man.left_x-50; 
man.setLocation(man.left_x,man.left_y); 
man.rect.setLocation(man.left_x,man.left_y); 
} 
} 
} 
public void keyTyped(KeyEvent e){} 
public void keyReleased(KeyEvent e){} 
public void actionPerformed(ActionEvent e) 
{ this.removeAll(); 
this.init(); 
} 
}