谷歌小恐龙游戏简化版java实现
实现效果
dinasour.JPG
需要准备的图片
cactus01.png
cactus03.png
game_over.png
long1.png
long2.png
map.png
map1.png
滚动背景模块
package wen.ming.game;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.awt.Image;
import javax.imageio.ImageIO;
/*** 滚动背景* * @author mingrong**/
public class BackgroundImage extends GameObject {public int x1 = 0;public int x2 = 50;public int y2 = 25;public static final int SPEED = 4;// 滚动速度public BackgroundImage() {}/*** 滚动*/public void roll() {x1 -= SPEED;// 第一幅图片左移if (x1 <= -50) {// 如果第一幅图片移出屏幕x1 =50;// 回到屏幕右侧}
}
}
常量设置模块
package wen.ming.game;public class Constant {public static final int GAME_WIDTH = 793;public static final int GAME_HEIGHT = 324;
}
恐龙对象的创建
package wen.ming.game;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;public class Dinasaur extends GameObject {boolean left,up,right,down;boolean live = true; int stepTime = 0;//计时器static final int fresh = 10;private boolean jumpState = false;// 跳跃状态private final int JUMP_HIGHT = 100;// 跳起最大高度private final int LOWEST_Y = 220;// 落地最低坐标private int jumpValue = 0;// 跳跃的增变量Image dinasaurImg = GameUtil.getImage("images/long1.png");Image dinasaurImg2 = GameUtil.getImage("images/long2.png");Image image2;public void drawSelf(Graphics g){if(live){g.drawImage(img, (int)x,(int) y, null);if(left){x -=speed;}if(right){x += speed;}if(up){y -=speed; //y = y-speed;}if(down){y += speed;}}else{} }public Dinasaur(Image img, double x, double y){this.img = img;this.x = x+3;this.y = y+3;this.speed = 3;this.width = img.getWidth(null) ;this.height = img.getHeight(null);}public void move() {step();// 不断踏步if (jumpState) {// 如果正在跳跃if (y >= LOWEST_Y) {// 如果纵坐标大于等于最低点jumpValue = -14;// 增变量为负值}if (y <= LOWEST_Y - JUMP_HIGHT) {// 如果跳过最高点jumpValue = 14;// 增变量为正值}y += jumpValue;// 纵坐标发生变化if (y >= LOWEST_Y) {// 如果再次落地jumpState = false;// 停止跳跃}}}void step() {int tmp = stepTime / 100 % 2;if (tmp == 1) {image2 = dinasaurImg;} else {image2 = dinasaurImg2;}stepTime += fresh;}public void jump() {jumpState = true;// 处于跳跃状态}public void left() {x -= 5;}public void right() {x += 5;}public void up() {y -= 5;}public void down() {y += 5;}//按下某个键,增加相应的方向public void addDirection(KeyEvent e){switch (e.getKeyCode()) {case KeyEvent.VK_LEFT:left = true;break;case KeyEvent.VK_UP:up = true;break;case KeyEvent.VK_RIGHT:right = true;break;case KeyEvent.VK_DOWN:down = true;break;}}//按下某个键,取消相应的方向public void minusDirection(KeyEvent e){switch (e.getKeyCode()) {case KeyEvent.VK_LEFT:left = false;break;case KeyEvent.VK_UP:up = false;break;case KeyEvent.VK_RIGHT:right = false;break;case KeyEvent.VK_DOWN:down = false;break;}}public Rectangle getRect(){
// return new Rectangle((int)x+10,(int)y,20,10);return new Rectangle((int)x, (int)y, width, height);}
}
游戏物体对象
package wen.ming.game;import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;/*** 游戏物体的父类* @author MingRong**/
public class GameObject {Image img;double x,y;int speed;int width, height;public void drawSelf(Graphics g){g.drawImage(img, (int)x,(int) y, null);}public GameObject(Image img, double x, double y, int speed, int width, int height) {super();this.img = img;this.x = x;this.y = y;this.speed = speed;this.width = width;this.height = height;}public GameObject(Image img, double x, double y) {super();this.img = img;this.x = x;this.y = y;}public GameObject() {}/*** 返回物体所在的矩形。便于后续的碰撞检测* @return*/public Rectangle getRect(){return new Rectangle((int)x+20,(int)y,20,10);}
}
返回指定路径文件的图片对象
package wen.ming.game;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import javax.imageio.ImageIO;public class GameUtil {// 工具类最好将构造器私有化。private GameUtil() {} /*** 返回指定路径文件的图片对象* @param path* @return*/public static Image getImage(String path) {BufferedImage bi = null;try {URL u = GameUtil.class.getClassLoader().getResource(path);bi = ImageIO.read(u);} catch (IOException e) {e.printStackTrace();}return bi;}
}
游戏主界面
package wen.ming.game;
import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;/**** @author MingRong**/
public class MyGameFrame extends Frame {private BufferedImage image; private Graphics2D g2;Image planeImg = GameUtil.getImage("images/long1.png");Image planeImg2 = GameUtil.getImage("images/long2.png");Image bgImg1 = GameUtil.getImage("images/map.png");Image bgImg2 = GameUtil.getImage("images/map1.png");Image bg = GameUtil.getImage("images/map1.png");Image obstacleImg = GameUtil.getImage("images/cactus03.png");Image overImg = GameUtil.getImage("images/game_over.png");private Dinasaur dinasaur = new Dinasaur(planeImg, 250, 225);private object obj = new object(obstacleImg,250,225);//private BackgroundImage background = new BackgroundImage();int stepTime = 0; static final int fresh = 10;boolean live = true;int count = 0;@Overridepublic void paint(Graphics g) { if (live) {obj.randomplace();background.roll();dinasaur.move();Color c = g.getColor();g.drawImage(bgImg2, (int)background.x1, (int)background.y2, this);g.drawImage(obj.obstacle, obj.x, obj.y, this);g.drawImage(planeImg, 0, 0, null);g.drawImage(dinasaur.image2, (int)dinasaur.x, (int)dinasaur.y, this);boolean peng = dinasaur.getRect().intersects(obj.getRect());if (peng) {count+=1;g.drawImage(overImg, (int)background.x1, (int)background.y2, this);System.out.print("ruin");if (count ==3) {live = false;}}stepTime += fresh;g.setColor(c); }}/*** 刷新贞* @author Mingrong**/class PaintThread extends Thread {@Overridepublic void run() {while(true){repaint(); try {Thread.sleep(40); //1s=1000ms} catch (InterruptedException e) {e.printStackTrace();} }}}class KeyMonitor extends KeyAdapter {@Overridepublic void keyPressed(KeyEvent e) {
// dinasaur.addDirection(e);int code = e.getKeyCode();if (code == KeyEvent.VK_LEFT) {dinasaur.left();}if (code == KeyEvent.VK_RIGHT) {dinasaur.right();}if (code == KeyEvent.VK_UP) {dinasaur.up();}if (code == KeyEvent.VK_DOWN) {dinasaur.down();}if (code == KeyEvent.VK_SPACE) {dinasaur.jump();}}@Overridepublic void keyReleased(KeyEvent e) {dinasaur.minusDirection(e);}}public void launchFrame(){this.setTitle("game");this.setVisible(true);this.setSize(Constant.GAME_WIDTH , Constant.GAME_HEIGHT);this.setLocation(500, 500);this.addWindowListener(new WindowAdapter() {@Overridepublic void windowClosing(WindowEvent e) {System.exit(0);}});new PaintThread().start(); addKeyListener(new KeyMonitor()); }public static void main(String[] args) {MyGameFrame f = new MyGameFrame();f.launchFrame();}private Image offScreenImage = null;public void update(Graphics g) {if(offScreenImage == null)offScreenImage = this.createImage(Constant.GAME_WIDTH,Constant.GAME_HEIGHT);Graphics gOff = offScreenImage.getGraphics();paint(gOff);g.drawImage(offScreenImage, 0, 0, null);}
}
障碍物类
package wen.ming.game;import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;public class object extends GameObject {Random r = new Random();public int x = 500;public int x2 = 50;public int y = 225;public boolean judge=false;public static final int SPEED = 11;// 滚动速度int temp = r.nextInt(4) + 1;//1-2-3Image obstacle;Image obstacleImg = GameUtil.getImage("images/cactus01.png");Image obstacleImg2 = GameUtil.getImage("images/cactus03.png");int stepTime = 0;//计时器static final int fresh = 10;public object(Image img, double x, double y){this.img = img;this.x = (int)x;this.y = (int)y;this.speed = 3;this.width = img.getWidth(null) ;this.height = img.getHeight(null);}public object() {this.x =500;this.width = img.getWidth(null) ;this.height = img.getHeight(null);}public void randomplace() {int tmp = stepTime / 100 % 20;if (tmp == 1) {obstacle = obstacleImg;} else {obstacle = obstacleImg2;}stepTime += fresh;x -= SPEED;// 第一幅图片左移if (x <= -500) {// 如果第一幅图片移出屏幕x =500;// 回到屏幕右侧}}public void moving() {x -= SPEED;// 第一幅图片左移if (x <= -500) {// 如果第一幅图片移出屏幕x =500;// 回到屏幕右侧}}public Rectangle getRect(){
// return new Rectangle((int)x+10,(int)y,20,10);return new Rectangle((int)x, (int)y, width, height);}}
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