背景
开发项目的时候,为了是的界面不单调,使其具有动感,希望图片能闪烁,但是又不想改变原来的素材,同时也不能增加其他素材。
实现如下
1、创建全局的变量
- //全局的,方便后面调用
- cocos2d::Texture2D* m_tTempTexture;
- Sprite* m_sCannotFollow ;
- CCAnimation* CannotFollowAnimation;
2、初始化一个精灵,来启动动画,然后初始化一个动画,设置每帧显示时间,循环次数等
- //创建一个纹理
- //创建一个精灵
- m_tTempTexture = m_tTextCache->addImage("CannotFollow.png");
-
- m_sCannotFollow = Sprite::createWithTexture(m_tTempTexture);
- //创建一个动画
- //通过一个纹理,创建一个闪动动画
- VOID iniAnimation()
- {
- CannotFollowAnimation = CCAnimation::create();
- for (int j = 1; j<=3; j++)
- {
-
- for (int i = 2; i >= 1; i--)
- {
- //用全局纹理,分割产生动画
- CannotFollowAnimation->addSpriteFrameWithTexture(m_tTempTexture,Rect(0,0,1196 * (i - 1),112 * (i - 1)));
- }
- }
- CannotFollowAnimation->setDelayPerUnit(3.0f / 12.0f);
- CannotFollowAnimation->setRestoreOriginalFrame(true);
- CannotFollowAnimation->setLoops(1);
- AnimationCache::getInstance()->addAnimation(CannotFollowAnimation,"CannotFollow");
- }
3、调用
- VOID SetShowCannotFollow(BOOL isShowCannotFollow)
- {
- m_sCannotFollow->setVisible(isShowCannotFollow);
- if (isShowCannotFollow)
- {
- CannotFollowAction = CCAnimate::create(AnimationCache::getInstance()->getAnimation("CannotFollow"));
- m_sCannotFollow->runAction(CannotFollowAction); // 运行精灵对象
- }
- else
- {
- CannotFollowAction = CCAnimate::create(AnimationCache::getInstance()->getAnimation("CannotFollow"));
- m_sCannotFollow->stopAction(CannotFollowAction);//停止动画
- }
- return;
- }