huarongdao.txt

华容道游戏 通过键盘事件和鼠标事件来实现曹操、关羽等人物的移动。当人物发生鼠标事件或键盘事件时

package lab3;

import java.awt.*;
import java.awt.event.*;
class MoveExample 
{
    public static void main(String args[]) 
    {
        new Hua_Rong_Road();
    }
}
class Person extends Button implements FocusListener 
{
    int number;
    Color c;
    Person (int number, String s) 
    {
        super(s);
        this.number = number;
        setFont(new Font("宋体",Font.CENTER_BASELINE,14));
        setBackground(Color.pink);
        addFocusListener(this);
     }
    public void focusGained(FocusEvent e) 
    {
        setBackground(Color.cyan);
    }
    public void focusLost(FocusEvent e) 
    {
        setBackground(Color.pink);
    }
    
}
class Hua_Rong_Road extends Frame implements KeyListener, MouseListener, ActionListener 
{
    Person person[] = new Person[10];
    Button left, right, above, below;
    Button restart = new Button("重新开始");
    public Hua_Rong_Road() 
    {
        init();
        setBounds(100,100,320,360);
        setVisible(true);
        validate();
        addWindowListener(new WindowAdapter() 
        {
            public void windowsClosing(WindowEvent e) 
            {
                System.exit(0);
            }
        }
      );
    }
public void init() 
{
    setLayout(null);
    add(restart);
    restart.setBounds(100,22,100,25);
    restart.addActionListener(this);
    String name[] = {"曹操","关羽","张","刘","马","许","兵","兵","兵","兵"};
    for (int i = 0; i<name.length; i++) 
    {
        person[i] = new Person(i, name[i]);
        person[i].addKeyListener(this);
        person[i].addMouseListener(this);
        add(person[i]);
    }
        
        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].requestFocusInWindow();
        
        left = new Button();
        right = new Button();
        above = new Button();
        below = new Button();
        
        add(left);
        add(right);
        add(above);
        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) 
    {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void keyPressed(KeyEvent e) 
    {
        Person man = (Person)e.getSource();
        if (e.getKeyCode() == KeyEvent.VK_DOWN) 
        {
            goDown(man);
        }
        if (e.getKeyCode() == KeyEvent.VK_UP) 
        {
            goUp(man);
        }
        if (e.getKeyCode() == KeyEvent.VK_LEFT) 
        {
            goLeft(man);
        }
        if (e.getKeyCode() == KeyEvent.VK_RIGHT) 
        {
            goRight(man);
        }
    }

    public void keyReleased(KeyEvent e) 
    {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mouseClicked(MouseEvent e) 
    {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mousePressed(MouseEvent e) 
    {
        Person man = (Person)e.getSource();
        int x = -1, y = -1;
        x = e.getX();
        y = e.getY();
        int w = man.getBounds().width;
        int h = man.getBounds().height;
        
        if (y > h/2) 
        {
            goDown(man);
        }
        if (y < h/2) 
        {
            goUp(man);
        }
        if (x < w/2) 
        {
            goLeft(man);
        }
        if (x > w/2) 
        {
            goRight(man);
        }
        
    }

    public void mouseReleased(MouseEvent e) {}

    public void mouseEntered(MouseEvent e) {}

    public void mouseExited(MouseEvent e) {}

    public void actionPerformed(ActionEvent e) 
    {
        removeAll();
        init();
        validate();
        repaint();
    }

    public void goDown(Person man) 
    {
        boolean move = true;
        Rectangle manRect = man.getBounds();
        int x = man.getBounds().x;
        int y = man.getBounds().y;
        y = y + 50;
        manRect.setLocation(x, y);
        Rectangle belowRect = below.getBounds();
        for (int i = 0;i < 10; i++) {
            Rectangle personRect = person[i].getBounds();
            if ((manRect.intersects(personRect))&& (man.number != i)) {
                move = false;
            }
        }
        if (manRect.intersects(belowRect)) {
            move = false;
        }
        if (move == true) {
            man.setLocation(x, y);
        }
    }

    public void goUp(Person man) {
        boolean move = true;
        Rectangle manRect = man.getBounds();
        int x = man.getBounds().x;
        int y = man.getBounds().y;
        y = y - 50;
        manRect.setLocation(x, y);
        Rectangle aboveRect = above.getBounds();
        for (int i = 0;i < 10; i++) {
            Rectangle personRect = person[i].getBounds();
            if ((manRect.intersects(personRect))&& (man.number != i)) {
                move = false;
            }
        }
        if (manRect.intersects(aboveRect)) {
            move = false;
        }
        if (move == true) {
            man.setLocation(x, y);
        }
    }
    
    public void goLeft(Person man) {
        boolean move = true;
        Rectangle manRect = man.getBounds();
        int x = man.getBounds().x;
        int y = man.getBounds().y;
        x = x - 50;
        manRect.setLocation(x, y);
        Rectangle leftRect = left.getBounds();
        for (int i = 0;i < 10; i++) {
            Rectangle personRect = person[i].getBounds();
            if ((manRect.intersects(personRect))&& (man.number != i)) {
                move = false;
            }
        }
        if (manRect.intersects(leftRect)) {
            move = false;
        }
        if (move == true) {
            man.setLocation(x, y);
        }
    }
    
    public void goRight(Person man) {
        boolean move = true;
        Rectangle manRect = man.getBounds();
        int x = man.getBounds().x;
        int y = man.getBounds().y;
        x = x + 50;
        manRect.setLocation(x, y);
        Rectangle rightRect = right.getBounds();
        for (int i = 0;i < 10; i++) {
            Rectangle personRect = person[i].getBounds();
            if ((manRect.intersects(personRect))&& (man.number != i)) {
                move = false;
            }
        }
        if (manRect.intersects(rightRect)) {
            move = false;
        }
        if (move == true) {
            man.setLocation(x, y);
        }
    }
}