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;
@Override
public 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 {
@Override
public void run() {
while(true){
repaint();
try {
Thread.sleep(40); //1s=1000ms
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
class KeyMonitor extends KeyAdapter {
@Override
public 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();
}
}
@Override
public 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() {
@Override
public 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;//1-2-3
Image 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);
}
}
