JAVA代码 flappy Bird(飞翔的小鸟)附图.doc

package flappyBrid01;import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.image.BufferedImage;import javax.imageio.ImageIO;import javax.swing.JFrame;import javax.swing.JPanel;public class BirdGame extends JPanel Bird bird;Column column1, column2;Ground ground;BufferedImage backGround;/ 分数int score;/ 标志游戏是否结束/ boolean gameOver;BufferedImage gameOverImage;BufferedImage startImage;/ 游戏状态int state;public static final int START = 0;/ 常量名字大写public static final int RUNNING = 1;public static final int GAMEOVER = 2;public BirdGame() throws Exception score = 0;bird = new Bird();column1 = new Column(1);column2 = new Column(2);ground = new Ground();backGround = ImageIO.read(getClass().getResource(bg.png);/ gameOver = false;state = START;gameOverImage = ImageIO.read(getClass().getResource(gameover.png);startImage = ImageIO.read(getClass().getResource(start.png);/ 游戏启动方法public static void main(String args) throws Exception JFrame frame = new JFrame(Flappy Bird);BirdGame game = new BirdGame();frame.add(game);frame.setSize(432, 644);frame.setLocationRelativeTo(null);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.setVisible(true);game.action();/ 画图Override/认定是重写，下面有错就会指出public void paint(Graphics g) g.drawImage(backGround, 0, 0, null);g.drawImage(column1.image, column1.x - column1.width / 2, column1.y- column1.height / 2, null);g.drawImage(column2.image, column2.x - column2.width / 2, column2.y- column2.height / 2, null);g.drawImage(ground.image, ground.x, ground.y, null);/ 鸟的旋转放在鸟的前面Graphics2D g2 = (Graphics2D) g;/ 强转g2.rotate(-bird.alpha, bird.x, bird.y);/ （角度，中心点的x，中心点的一）g.drawImage(bird.image, bird.x - bird.width / 2, bird.y - bird.height/ 2, null);/ 画笔再转回来g2.rotate(bird.alpha, bird.x, bird.y);Font f = new Font(Font.SANS_SERIF, Font.BOLD, 40);g.setFont(f);g.drawString( + score, 43, 63);g.setColor(new Color(255, 255, 255);g.drawString( + score, 40, 60);/* * if (gameOver) g.drawImage(gameOverImage, 0, 0, null); */switch (state) case GAMEOVER:g.drawImage(gameOverImage, 0, 0, null);break;case START:g.drawImage(startImage, 0, 0, null);break;/ 动 图片移动public void action() throws Exception MouseListener l = new MouseAdapter() Overridepublic void mousePressed(MouseEvent e) try switch (state) case GAMEOVER:/ 游戏结束，所有游戏内容重置bird = new Bird();column1 = new Column(1);column2 = new Column(2);ground = new Ground();score = 0;/ 改变状态state = START;break;case START:state = RUNNING;case RUNNING:/ 鸟向上飞bird.fly(); catch (Exception e1) e1.printStackTrace();this.addMouseListener(l);while (true) /* * if (!gameOver) ground.step(); column1.step(); column2.step(); * bird.step(); bird.flappy(); * if (bird.hit(ground) | bird.hit(column1) | bird.hit(column2)|bird.hit() * gameOver = true; */switch (state) case START:/ 鸟挥动bird.flappy();/ 地面移动ground.step();break;case RUNNING:ground.step();column1.step();column2.step();bird.step();bird.flappy();/ 如果撞了 改变状态if (bird.hit(ground) | bird.hit(column1) | bird.hit(column2)|bird.hit() state = GAMEOVER;/ 计分if (bird.x = column1.x | bird.x = column2.x) score+;repaint();/ 太快，需要线程sleepThread.sleep(1000 / 60);package flappyBrid01;import java.awt.image.BufferedImage;import javax.imageio.ImageIO;/鸟类public class Bird BufferedImage image;int x, y;int width, height;int size;/ 鸟的大小。用于做碰撞检测。/ 增加属性计算鸟的位置double g;/ 重力加速度double t;/ 两次位置的时间double v0;/ 初始速度double speed;/ 经过t时间的速度。鸟当前的速度。double s;/ 经过时间t之后的 鸟的位移double alpha;/ 鸟的倾角 弧度单位/ 是鸟的动画帧BufferedImage images;int index;public Bird() throws Exception image = ImageIO.read(getClass().getResource(0.png);width = image.getWidth();height = image.getHeight();x = 132;y = 280;size = 40;g = 4;v0 = 20;t = 0.25;speed = v0;s = 0;alpha = 0;images = new BufferedImage8;for (int i = 0; i images.length; i+) imagesi = ImageIO.read(getClass().getResource(i + .png);index = 0;public void flappy() index+;image = images(index / 10) % 8;/ 除10的意义，index地面移动10个像素鸟动一下。余8的意义，图片只有8张。public void step() double v = speed;s = v * t + g * t * t / 2;y = y - (int) s;speed = v - g * t;alpha = Math.atan(s / 8);public void fly() / 重新设置初始速度，重新向上飞speed = v0;public boolean hit() boolean hit = y - size / 2 ground.y;if (hit) / 把鸟放在地上y = ground.y - size / 2;alpha = -Math.PI / 2;return hit;public boolean hit(Column c) / 鸟飞进柱子范围if (x c.x - size / 2 - c.width / 2& x = c.y - c.gap / 2 + size / 2& y = c.y + c.gap / 2 - size / 2) return false;return true;return false;package flappyBrid01;import java.awt.image.BufferedImage;import java.util.Random;import javax.imageio.ImageIO;/柱类public class Column BufferedImage image;int x, y;/ 附中心位置int width, height;/ 柱子间距.144int gap;/ 两根柱子之间的距离.245int distance;Random ran = new Random();/ 构造柱子对象，初始化属性值public Column(int n) throws Exception/ n是第几根柱子 / 抛所有image = ImageIO.read(getClass().getResource(column.png);width = image.getWidth();height = image.getHeight();gap = 144;distance = 245;x = 550 + (n - 1) * distance;/ 550,第一根柱子与y轴的距离y = ran.nextInt(218) + 132;/ 最高中心点218到最低中心点350。public void step() x-;if (x + width / 2 = 0) / if(x = -width/2)x = distance * 2 - width / 2;/ x=432 + width/2;y = ran.nextInt(218) + 132;package flappyBrid01;import java.awt.image.BufferedImage;import javax.imageio.Im