粒子效果

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

using namespace cocos2d;

class HelloWorld : public cocos2d::CCLayer
{
	CCParticleSystem* particleSystem;  //粒子系统
public:
	// Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
	virtual bool init();  

	// there's no 'id' in cpp, so we recommand to return the exactly class pointer
	static cocos2d::CCScene* scene();
	
	// a selector callback
	virtual void menuCloseCallback(CCObject* pSender);

	void ccTouchesEnded(cocos2d::CCSet* touches,cocos2d::CCEvent* event);

	// implement the "static node()" method manually
	LAYER_NODE_FUNC(HelloWorld);
};

#endif // __HELLOWORLD_SCENE_H__

#include "HelloWorldScene.h"

USING_NS_CC;

CCScene* HelloWorld::scene()
{
	// 'scene' is an autorelease object
	CCScene *scene = CCScene::node();
	
	// 'layer' is an autorelease object
	HelloWorld *layer = HelloWorld::node();

	// add layer as a child to scene
	scene->addChild(layer);

	// return the scene
	return scene;
}

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
	//////////////////////////////
	// 1. super init first
	if ( !CCLayer::init() )
	{
		return false;
	}

	this->setIsTouchEnabled(true);  //设置可触摸

	/////////////////////////////
	// 2. add a menu item with "X" image, which is clicked to quit the program
	//    you may modify it.

	// add a "close" icon to exit the progress. it's an autorelease object
	CCMenuItemImage *pCloseItem = CCMenuItemImage::itemFromNormalImage(
										"CloseNormal.png",
										"CloseSelected.png",
										this,
										menu_selector(HelloWorld::menuCloseCallback) );
	pCloseItem->setPosition( ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20) );

	// create menu, it's an autorelease object
	CCMenu* pMenu = CCMenu::menuWithItems(pCloseItem, NULL);
	pMenu->setPosition( CCPointZero );
	this->addChild(pMenu, 1);

	/////////////////////////////
	// 3. add your codes below...

	// add a label shows "Hello World"
	// create and initialize a label
    CCLabelTTF* pLabel = CCLabelTTF::labelWithString("TestTouchFire", "Arial", 24);
	// ask director the window size
	CCSize size = CCDirector::sharedDirector()->getWinSize();

	// position the label on the center of the screen
	pLabel->setPosition( ccp(size.width / 2, size.height - 30) );

	// add the label as a child to this layer
	this->addChild(pLabel, 1);

	// add "HelloWorld" splash screen"
//	CCSprite* pSprite = CCSprite::spriteWithFile("HelloWorld.png");

	// position the sprite on the center of the screen
//	pSprite->setPosition( ccp(size.width/2, size.height/2) );

	// add the sprite as a child to this layer
//	this->addChild(pSprite, 0);
	
	particleSystem = CCParticleFire::node();  // CCParticleFire 节点对象
	particleSystem->retain();
	particleSystem->setTexture( CCTextureCache::sharedTextureCache()->addImage("fire.png")); //设置贴图
	CCPoint p = particleSystem->getPosition();       //取得 点位置
	particleSystem->setPosition( CCPointMake(p.x, 100) ); //设置粒子位置
	this->addChild(particleSystem,10);   //向布景添加  粒子系统


	return true;
}

void HelloWorld::ccTouchesEnded(CCSet* touches, CCEvent* event){
    CCTouch* touch = (CCTouch*)(touches->anyObject());
    CCPoint location = touch->locationInView(touch->view());
    location = CCDirector::sharedDirector()->convertToGL(location);
    particleSystem->setPosition(location); //设置粒子位置
   // this->addChild(particleSystem,10);   //向布景添加  粒子系统
}



void HelloWorld::menuCloseCallback(CCObject* pSender)
{
	CCDirector::sharedDirector()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
	exit(0);
#endif
}