//清晰移動型別的作用
    
    CCParticleSystem* particleSystem1 = CCParticleSun::create();
    particleSystem1->setTexture(CCTextureCache::sharedTextureCache()->addImage("fire.png"));
    //自動釋放
    particleSystem1->setAutoRemoveOnFinish(true);
    //設定移動型別:自由模式
    particleSystem1->setPositionType(kCCPositionTypeFree);
    particleSystem1->setPosition(ccp(90, 160));
    addChild(particleSystem1);
    
    
    CCParticleSystem* particleSyatem2 = CCParticleSun::create();
    particleSyatem2->setTexture(CCTextureCache::sharedTextureCache()->addImage("fire.png"));
    //設定移動型別：相對模式
    particleSyatem2->setPositionType(kCCPositionTypeRelative);
    particleSyatem2->setPosition(ccp(200, 160));
    addChild(particleSyatem2);
    
    
    //讓當前的Layer永久來回移動
    CCActionInterval* move = CCMoveBy::create(3, ccp(290, 0));
    CCActionInterval* back = move->reverse();
    this->runAction(CCRepeatForever::create(CCSequence::create(move, back, NULL)));