一个简单的华容道（可以用鼠标拖曳）
网上对人物的行动方向都是判断鼠标按下时在按扭上的位置来确定，这种方法有个缺点当出现2个方向可以走的时候,就容易出问题了，他们的解决方法是通过两次单击来解决，第一次单击后在按扭上出现一个方向指针，第二次点击对应的方向移动，这种操作方法很不方便，我的解决方法就是使用鼠标拖曳。
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MoveExample
{
public static void main(String args[])
{
new Hua_Rong_Road();
}
}
class Person extends JButton
{
int number;
Person(int number,Icon i)
{
super(i);
this.number=number;
}
}
class Hua_Rong_Road extends JFrame implements MouseListener,MouseMotionListener,KeyListener,ActionListener
{
Person person[]=new Person[10];
JButton left,right,above,below;
JButton restart=new JButton("重新开始");
JLabel jlabel=new JLabel("关卡：");
JTextField jtf=new JTextField("横刀立马");
JButton help=new JButton("帮助");
Person man;
boolean leftButton,rightButton;
Rectangle manRect;
boolean keyState=false;
int fx,fy;
int bx,by;
public Hua_Rong_Road()
{
super("华容道");
init();
setBounds(100,100,320,380);
setResizable(false);
setVisible(true);
validate();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void init()
{
setLayout(null);
getContentPane().add(restart);
getContentPane().add(help);
getContentPane().add(jlabel);
getContentPane().add(jtf);
jlabel.setBounds(60,20,60,30);
jtf.setBounds(100,20,60,30);
help.setBounds(180,20,60,25);
restart.setBounds(100,320,120,25);
restart.addActionListener(this);
help.addActionListener(this);
for(int k=0;k<10;k++)
{
person[k]=new Person(k,new ImageIcon("images/"+(k+1)+".gif"));
person[k].addMouseListener(this);
person[k].addKeyListener(this);
person[k].addMouseMotionListener(this);
getContentPane().add(person[k]);
}
person[0].setBounds(104,54,100,100);
person[1].setBounds(104,154,100,50);
person[2].setBounds(54,154,50,100);
person[3].setBounds(204,154,50,100);
person[4].setBounds(54,54,50,100);
person[5].setBounds(204,54,50,100);
person[6].setBounds(54,254,50,50);
person[7].setBounds(204,254,50,50);
person[8].setBounds(104,204,50,50);
person[9].setBounds(154,204,50,50);
person[9].requestFocus();
left=new JButton();
right=new JButton();
above=new JButton();
below=new JButton();
getContentPane().add(left);
getContentPane().add(right);
getContentPane().add(above);
getContentPane().add(below);
left.setBounds(49,49,5,260);
right.setBounds(254,49,5,260);
above.setBounds(49,49,210,5);
below.setBounds(49,304,210,5);
validate();
}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
public void keyPressed(KeyEvent e)
{
Person man=(Person)e.getSource();
if(e.getKeyCode()==KeyEvent.VK_DOWN)
go(man,below);
if(e.getKeyCode()==KeyEvent.VK_UP)
go(man,above);
if(e.getKeyCode()==KeyEvent.VK_LEFT)
go(man,left);
if(e.getKeyCode()==KeyEvent.VK_RIGHT)
go(man,right);
}
public void mousePressed(MouseEvent e)
{
if(e.getButton()==3)
rightButton=true;
if(e.getButton()==1)
leftButton=true;
if (keyState==false)
{
keyState=true;
man=(Person)e.getSource();
manRect=man.getBounds();
bx=e.getX();
by=e.getY();
}
}
public void mouseDragged(MouseEvent e)//鼠标拖曳控件
{
if (keyState)
{
int nowX=man.getX();
int nowY=man.getY();
int x=e.getX();
int y=e.getY();
man.setLocation(nowX+(x-bx),nowY+(y-by));
}
}
public void mouseReleased(MouseEvent e){
boolean move=true;
keyState=false;
revise(man); //修正按扭的位置
Rectangle rectA=man.getBounds();
//与九个人物比较
for(int k=0;k<10;k++)
{
if((man.number!=k))
{
Rectangle rectB=person[k].getBounds();
if(rectA.intersects(rectB))
{
move=false;
break;
}
}
}
//与边界上的4个按扭比较
if(move!=false)
{
if(rectA.intersects(left.getBounds()))
move=false;
if(rectA.intersects(right.getBounds()))
move=false;
if(rectA.intersects(above.getBounds()))
move=false;
if(rectA.intersects(below.getBounds()))
move=false;
}
if (move==false)
man.setLocation(manRect.x,manRect.y); //还原位置
if(leftButton && rightButton)
{
person[0].setLocation(104,204);
leftButton=false;
rightButton=false;
}
if (person[0].getX()==104 && person[0].getY()==204) //判断胜利
{
winner();
dispose();
new Hua_Rong_Road();
}
}
public void winner()
{
JOptionPane.showMessageDialog(this,"哇,你太厉害啦!!!!!!","华容道",3);
}
public void revise(Person manA) //修正按扭A的位置
{
//要保证x,y只有一个坐标会被改变
boolean change=false;
int ax=manA.getX();
int ay=manA.getY();
int distanceX=ax-manRect.x;
int distanceY=ay-manRect.y;
//System.out.println(distanceX+" "+distanceY);
if(Math.abs(distanceX)>=13)
{
distanceX=(distanceX>0)?50:-50;
change=true;
}
else
distanceX=0;
if(Math.abs(distanceY)>=13)
distanceY=(distanceY>0)?50:-50;
else
distanceY=0;
if (change==true)
manA.setLocation(manRect.x+distanceX,manRect.y);
else
manA.setLocation(manRect.x,manRect.y+distanceY);
}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseClicked(MouseEvent e){}
public void mouseMoved(MouseEvent e){}
public void go(Person man,JButton direction)
{
boolean move=true;
Rectangle manRect=man.getBounds();
int x=man.getBounds().x;
int y=man.getBounds().y;
if(direction==below)
y+=50;
if(direction==above)
y-=50;
if(direction==left)
x-=50;
if(direction==right)
x+=50;
manRect.setLocation(x,y);
Rectangle directionRect=direction.getBounds();
for(int k=0;k<10;k++)
{
Rectangle personRect=person[k].getBounds();
if (man.number!=k)
if(manRect.intersects(personRect))
{
move=false;
break;
}
}
if(manRect.intersects(directionRect))
move=false;
if(move==true)
man.setLocation(x,y);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==restart)
{
dispose();
new Hua_Rong_Road();
}
if(e.getSource()==help)
{
JOptionPane.showMessageDialog(null," 华容道是一个古老的智力游戏，被誉为"+"\n"+"“智力游戏界三大不可思议之一”，得到了"+"\n"+"广泛的传播。你的任务就是通过移动各棋子"+"\n"+"来把被围困的曹操走出重围，来到出口位置。" +"\n"+"\n"+" 加油，祝你好运","华容道游戏帮助信息",3);
}
}
}
附件解压后java MoveExample运行程序
[[it] 本帖最后由 jmasm 于 2008-6-19 09:18 编辑 [/it]]
[[it] 本帖最后由 jmasm 于 2008-6-19 09:24 编辑 [/it]]
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