CCMotionStreakの利用

HelloWorldScene.cpp

#include "HelloWorldScene.h"
#include "SimpleAudioEngine.h"

using namespace cocos2d;
using namespace CocosDenshion;

CCScene* HelloWorld::scene()
{
    CCScene *scene = CCScene::create();
    HelloWorld *layer = HelloWorld::create();
    scene->addChild(layer);
    
    return scene;
}

bool HelloWorld::init()
{
    if ( !CCLayer::init() )
    {
        return false;
    }
    
    this->setTouchEnabled(true);
    this->setTouchMode(kCCTouchesOneByOne);
    
    CCSize winSize = CCDirector::sharedDirector()->getWinSize();
    
    streak = CCMotionStreak::create(2, 3, 32, ccGREEN, "streak.png");
    streak->setPosition(ccp(winSize.width / 2, winSize.height / 2));
    this->addChild(streak);
    
    CCFiniteTimeAction* action = CCSequence::create(CCTintTo::create(0.2f, 255, 0, 0),
                                                    CCTintTo::create(0.2f, 0, 255, 0),
                                                    CCTintTo::create(0.2f, 0, 0, 255),
                                                    CCTintTo::create(0.2f, 0, 255, 255),
                                                    CCTintTo::create(0.2f, 255, 255, 0),
                                                    CCTintTo::create(0.2f, 255, 0, 255),
                                                    CCTintTo::create(0.2f, 255, 255, 255),
                                                    NULL);
    CCActionInterval *colorAction = CCRepeatForever::create((CCActionInterval *)action);
    streak->runAction(colorAction);

    return true;
}


bool HelloWorld::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
{
    return true;
}

void HelloWorld::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent)
{
    // タップポイント取得
    CCDirector* pDirector = CCDirector::sharedDirector();
    CCPoint touchPoint = pDirector->convertToGL(pTouch->getLocationInView());
    
    // タップ位置へパーティクルを移動
    streak->setPosition(touchPoint);
}

HelloWorldScene.h

//#ifndef __HELLOWORLD_SCENE_H__
//#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

class HelloWorld : public cocos2d::CCLayer
{
private:
    cocos2d::CCMotionStreak *streak;
    
public:
    virtual bool init();
    static cocos2d::CCScene* scene();
    CREATE_FUNC(HelloWorld);
    
    virtual bool ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);
    virtual void ccTouchMoved(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);
};

//#endif // __HELLOWORLD_SCENE_H__