hanyeah

使用hEngine做了一个小游戏Demo，制作过程中发现了引擎中的一些小Bug，已经更正。

代码如下：

package com.example.fly;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONException;
import org.json.JSONObject;

import com.hanyeah.HEngine;
import com.hanyeah.display.HBitmap;
import com.hanyeah.display.HSprite;
import com.hanyeah.display.HSpriteSheet;
import com.hanyeah.display.HStage;
import com.hanyeah.display.HTextField;
import com.hanyeah.events.HEvent;
import com.hanyeah.events.HIListener;
import com.hanyeah.events.HTouchEvent;
import com.hanyeah.geom.HPoint;
import com.hanyeah.geom.HRectangle;

import android.os.Bundle;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.util.Log;
import android.view.Menu;

public class MainActivity extends Activity {

	private static HStage stage;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);
        
        //初始化引擎和stage
        if(stage!=null){
        	HEngine hengine=new HEngine(this);
        	hengine.stage=stage;
        	setContentView(hengine);
        	return;
        }
        HEngine hengine=new HEngine(this);
        setContentView(hengine);
        stage=hengine.stage;
        stage.frameRate=30;
       
        stage.addEventListener(HEvent.STAGE_CREATED, new HIListener() {

			@Override
			public boolean execute(HEvent arg0) {
				// TODO Auto-generated method stub
				init();
				return false;
			}
		});
       
        
    }
    private Bitmap bmp_plane;
    private Bitmap bmp_bullet;
    private Bitmap bmp_ball;
    private HSprite bulletCon;
    private HSprite ballCon;
    private HSprite plane;
    private HPoint planeSize;
    private double stageWidth;
    private double stageHeight;
    private ListbulletList;
    private ListballList;
    private long t=0;
    private int bulletT=0;
    private int ballT=0;
    private HPoint targetPoint=new HPoint();
    private double bulletSpeed=10;
    private double ballSpeed=5;
    private double planeSpeed=5;
    private HPoint bulletSize;
    private HPoint ballSize;
    private HTextField scoreTf;
    private HTextField lifeTf;
    private HTextField fpsTf;
    private int score=0;
    private int life=10000;
    private void init(){
    	//准备位图
    	bmp_plane=BitmapFactory.decodeResource(this.getResources(), R.drawable.plane);
        bmp_bullet=BitmapFactory.decodeResource(this.getResources(), R.drawable.bullet);
        bmp_ball=BitmapFactory.decodeResource(this.getResources(), R.drawable.ball);
        //变量
        stageWidth=stage.getStageWidth();
        stageHeight=stage.getStageHeight();
        bulletList=new ArrayList();
        ballList=new ArrayList();
        //创建容器
        ballCon=new HSprite();
        stage.addChild(ballCon);
        bulletCon=new HSprite();
        stage.addChild(bulletCon);
        //创建飞机
        HBitmap planeBmp=new HBitmap(bmp_plane);
        plane=new HSprite();
        plane.addChild(planeBmp);
        planeSize=planeBmp.getSize();
        planeBmp.x=-planeSize.x/2;
        planeBmp.y=-planeSize.y/2;
        stage.addChild(plane);
        plane.x=stageWidth/2;
        plane.y=stageHeight-planeSize.y;
        //文本
        scoreTf=new HTextField();
        scoreTf.x=20;
        scoreTf.y=50;
        scoreTf.width=300;
        scoreTf.height=50;
        scoreTf.color=Color.GREEN;
        scoreTf.size=30;
        scoreTf.lineHeight=45;
        scoreTf.text="得分："+score;
        stage.addChild(scoreTf);
        
        lifeTf=new HTextField();
        lifeTf.x=350;
        lifeTf.y=50;
        lifeTf.width=300;
        lifeTf.height=50;
        lifeTf.color=Color.RED;
        lifeTf.size=30;
        lifeTf.lineHeight=45;
        lifeTf.text="生命值："+life;
        stage.addChild(lifeTf);
        
        fpsTf=new HTextField();
        fpsTf.x=50;
        fpsTf.y=0;
        fpsTf.width=300;
        fpsTf.height=50;
        fpsTf.color=Color.RED;
        fpsTf.size=30;
        fpsTf.lineHeight=45;
        fpsTf.text="fps："+30;
        stage.addChild(fpsTf);
        
        //
        targetPoint.x=plane.x;
		targetPoint.y=plane.y;
		Log.e("hanyeah", targetPoint.toString());
        stage.addEventListener(HEvent.ENTER_FRAME, new HIListener() {

			@Override
			public boolean execute(HEvent arg0) {
				// TODO Auto-generated method stub
				enterFameHandler();
				return false;
			}
		});
        stage.addEventListener(HTouchEvent.TOUCH_START, new HIListener() {
        
			@Override
			public boolean execute(HEvent arg0) {
				// TODO Auto-generated method stub
				targetPoint.x=stage.mouseX;
				targetPoint.y=stage.mouseY;
				return false;
			}
		});
        
    }
    private void enterFameHandler(){
    	fpsTf.text="fps："+stage.getFPS();
    	t++;
    	bulletT++;
    	ballT++;
    	/*
    	double dis=HPoint.distance(targetPoint, new HPoint(plane.x,plane.y));
    	double speedX=planeSpeed*(targetPoint.x-plane.x)/ dis;
    	double speedY=planeSpeed*(targetPoint.y-plane.y)/ dis;
    	plane.x+=speedX;
    	plane.y=speedY;
    	*/
    	plane.x=targetPoint.x;
    	//plane.y=targetPoint.y;
    	/*
    	stage.graphics.clear();
    	Path path=new Path();
    	Paint paint=new Paint();
    	paint.setColor(0xffff0000);
    	*/
    	//更新子弹位置
    	for(int i=bulletList.size()-1;i>=0;i--){
    		HSprite bullet=bulletList.get(i);
    		bullet.y-=bulletSpeed;
    		if(bullet.y=0;i--){
    		HSpriteSheet ball=ballList.get(i);
    		ball.y+=ballSpeed;
    		if(ball.y>stageHeight+ballSize.y/2){
    			ball.destroy();
    			ballCon.removeChild(ball);
    			ballList.remove(i);
    		}
    		//HRectangle rect=ball.getRect();
    		//path.addRect((float)rect.x, (float)rect.y, (float)(rect.x+rect.width), (float)(rect.y+rect.height),Path.Direction.CCW);
    	}
    	//HRectangle rect=plane.getRect();
		//path.addRect((float)rect.x, (float)rect.y, (float)(rect.x+rect.width), (float)(rect.y+rect.height),Path.Direction.CCW);
    	//stage.graphics.addPath(path, paint);
    	//检测子弹和球的碰撞
    	for(int i=bulletList.size()-1;i>=0;i--){
    		HSprite bullet=bulletList.get(i);
    		HRectangle rect1=bullet.getRect();
    		for(int j=ballList.size()-1;j>=0;j--){
    			HSpriteSheet ball=ballList.get(j);
    			HRectangle rect2=ball.getRect();
    			if(rect1.intersects(rect2)){//碰撞
    				if(ball.getCurrentFrame()==ball.getTotalFrames()-1){
    					ball.destroy();
    					ballCon.removeChild(ball);
    	    			ballList.remove(j);
    	    			score++;
    	    			scoreTf.text="得分："+score;
    				}
    				else{
    					ball.nextFrame();
    				}
    				bulletCon.removeChild(bullet);
	    			bulletList.remove(i);
	    			break;
    			}
    		}
    	}
    	//检测球和飞机的碰撞
    	HRectangle rect1=plane.getRect();
    	for(int i=ballList.size()-1;i>=0;i--){
    		HSpriteSheet ball=ballList.get(i);
    		HRectangle rect2=ball.getRect();
    		if(rect1.intersects(rect2)){
    			life--;
    			lifeTf.text="生命值："+life;
    			ballCon.removeChild(ball);
    			ballList.remove(i);
    		}
    	}
    	//发射子弹
    	if(bulletT>=15){
    		bulletT=0;
    
    		HBitmap bulletBmp=new HBitmap(bmp_bullet);
    		if(bulletSize==null)bulletSize=bulletBmp.getSize();
    		bulletBmp.x=-bulletSize.x/2;
    		bulletBmp.y=-bulletSize.y/2;
    
    		HSprite bullet=new HSprite();
    		bullet.addChild(bulletBmp);
    		bulletCon.addChild(bullet);
    		bullet.x=plane.x;
    		bullet.y=plane.y;
    		bulletList.add(bullet);
    	}
    	//产生球
    	if(ballT>50){
    		ballT=0;
    		String jsonStr="{\"frames\":[[0,0,89,92,0,42.55,90.5],[89,0,89,92,0,42.55,90.5],[0,92,89,92,0,42.55,90.5]],\"animations\":{\"normal\":[0,1,2,2,2]}}";
    		JSONObject jsonObj=null;
    		try {
    			jsonObj = new JSONObject(jsonStr);
    			HSpriteSheet ball=new HSpriteSheet(bmp_ball,jsonObj);
    			ball.gotoAndStop(0);
    			if(ballSize==null) ballSize=ball.getSize();
        
        		ballCon.addChild(ball);
        		ball.x=ballSize.x/2+(Math.random()*stageWidth-ballSize.x);
        		ball.y=-ballSize.y/2;
        		ballList.add(ball);
    
    		} catch (JSONException e1) {
    			// TODO Auto-generated catch block
    			e1.printStackTrace();
    		}
    	}
    
    }
    

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

可通过下载下面的压缩包得到图片素材。

源码打包下载