学步园

1.效果图

主要代码1：

package com.jun.libgdx;

import java.util.ArrayList;

import javax.microedition.khronos.opengles.GL10;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.ParticleEffect;
import com.badlogic.gdx.graphics.g2d.ParticleEffectPool;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;


public class MainActivity implements ApplicationListener {

	private SpriteBatch batch;
	private BitmapFont bf;
	
	private ParticleEffect particle;
	private ParticleEffect tem;
	private ParticleEffectPool particlePool;
	private ArrayList<ParticleEffect> particlelist;
	
	@Override
	public void create() {
		// TODO Auto-generated method stub
		batch=new SpriteBatch();
		
		bf=new BitmapFont();
//		初始化离子变量
		
		particle=new ParticleEffect();
		
		particle.load(Gdx.files.internal("particle.p"),Gdx.files.internal(""));
		particlePool=new ParticleEffectPool(particle, 5, 10);
		
		particlelist=new ArrayList<ParticleEffect>();
	}

	@Override
	public void dispose() {
		// TODO Auto-generated method stub
		batch.dispose();
		bf.dispose();
		particle.dispose();
		
		if(tem!=null){
			
			tem.dispose();
			particlePool.clear();
			
		}
		
	}

	@Override
	public void pause() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void render() {
		// TODO Auto-generated method stub
		Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
		Gdx.gl.glClearColor(0f, 0f, 0f, 0f);
		
		
	batch.begin();
		
		bf.draw(batch,"Hello  lijun",Gdx.graphics.getHeight()/3, Gdx.graphics.getWidth()/3);
		
		batch.end();
//		
		
//		粒子系统
		if(true){
			
			if(Gdx.input.isTouched()){
				
				tem=particlePool.obtain();
				
				tem.setPosition(Gdx.input.getX(),Gdx.graphics.getHeight()-Gdx.input.getY());
				particlelist.add(tem);
				
			}
			
			batch.begin();
			
			
			for(int i=0;i<particlelist.size();i++){
				
				particlelist.get(i).draw(batch, Gdx.graphics.getDeltaTime());
			}
		batch.end();
				
//				清除已经播放完成的粒子系统
				
				ParticleEffect tempParticle;
				
				for(int j=0;j<particlelist.size();j++){
					
					tempParticle=particlelist.get(j);
					
					if(tempParticle.isComplete()){
						
						particlelist.remove(j);
																																																						
					}
					
				}
			}
			
		}
	

	@Override
	public void resize(int arg0, int arg1) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void resume() {
		// TODO Auto-generated method stub
		
	}

   
}

主要代码2：

package com.jun.libgdx;

import android.os.Bundle;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.backends.android.AndroidApplication;

public class GameActivity extends AndroidApplication {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		
		
		initialize(new MainActivity(), false);
		
		
		
	}

	
	

}