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badboy2014-02-25 00:16:19

java swing开发FlappyBird游戏—仅供娱乐

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java swing开发FlappyBird游戏—仅供娱乐

package com.tarena.bird;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class World extends JPanel {
    
    Column column1;
    Column column2;
    Bird bird;
    Ground ground;
    BufferedImage background;
    BufferedImage gameoverImg;
    BufferedImage startImg;
    
    boolean start;
    int score;
    boolean gameOver;

    public World() throws IOException {
        background = ImageIO.read(getClass().getResource("bg.png"));
        gameoverImg = ImageIO.read(getClass().getResource("gameover.png"));
        startImg = ImageIO.read(getClass().getResource("start.png"));
        start();
    }
    public void start(){
        try {
            start = false;
            gameOver = false;
            bird = new Bird();
            ground = new Ground(400); 
            column1 = new Column(320 + 100);
            column2 = new Column(320 + 100 + 180);
            score = 0;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public void action() throws Exception{        
        addMouseListener(new MouseAdapter() {
            @Override
            public void mousePressed(MouseEvent e) {
                if (gameOver) {
                    start();
                    return;
                }
                start = true;
                bird.flappy();
            }
        });
        requestFocus();
        addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent e) {
                if(e.getKeyCode()==KeyEvent.VK_SPACE){
                    if(gameOver){
                        start();
                        return;
                    }
                    start = true;
                    bird.flappy();
                }
            }
        });
        //主循环, 时间间隔是 1/60 秒
        while(true){
            if(start && !gameOver){
                bird.step();
                column1.step();
                column2.step();
                //检查是否通过柱子了
                if(bird.pass(column1, column2)){
                    score++;
                }
                if(bird.hit(column1, column2, ground)){
                    start = false;
                    gameOver = true;
                }
            }
            ground.step();
            repaint();
            Thread.sleep(1000/60);
        }
                
    }
    @Override
    public void paint(Graphics g) {
        //抗锯齿代码
        Graphics2D g2 = (Graphics2D)g;
        RenderingHints qualityHints = new RenderingHints(
                RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        qualityHints.put(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);
        g2.setRenderingHints(qualityHints);
        //绘制背景
        g.drawImage(background, 0, 0, null);
        //绘制柱子
        column1.paint(g);
        column2.paint(g); 
        //绘制地面
        ground.paint(g);
        //绘制分数
        Font font = new Font(Font.MONOSPACED, Font.BOLD, 30);
        g.setFont(font);
        g.setColor(Color.white);
        g.drawString(score+"", 30, 50);
        //绘制小鸟
        bird.paint(g);
        //绘制结束状态
        if(gameOver){
            //g.drawString("Game Over!", 70 , 190);
            g.drawImage(gameoverImg, 0, 0, null);
            return;
        }
        if(! start){
            //g.drawString("Start >>>", bird.x+35, bird.y);
            g.drawImage(startImg, 0, 0, null);
        }
    }
    public static void main(String[] args) throws Exception {
        JFrame frame = new JFrame("飞扬小鸟");
        World world = new World();
        frame.add(world);
        frame.setSize(325, 505);
        frame.setResizable(false);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        world.action();
    }
}

 


AXIN编辑于2014-2-25 11:18:15

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