COCOS2D-X: scale sprite

后端 未结 3 2020
暗喜
暗喜 2021-01-25 11:16

I want to set scale for a sprite by height of original image. And then the width of that sprite will follow by original ratio of that image. How can i do that. Thank for all you

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  • 2021-01-25 11:32

    You can scale by width or height only with: sprite->setScaleX() and sprite->setScaleY()

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  • 2021-01-25 11:41

    use setScale function of CCSprite e.g -

    CCSprite *Sprite   =   CCSprite::create(WHEEL_SPRITE);
    Sprite->setScale(DIRECTOR_VISIBLE_HEIGHT*0.65/Sprite->getContentSize().height);
    Sprite->setPosition(ccp(DIRECTOR_VISIBLE_WIDTH/2, DIRECTOR_VISIBLE_HEIGHT/2));
    this->addChild(Sprite);
    
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  • 2021-01-25 11:46

    CCSprite has a member function

    virtual void setScale(float scale)      
    

    Reference:setScale

    Just create a sprite, and call this function.

    CCSprite* bg = CCSprite::create("background.png");
    this->addChild(bg,0);
    bg->setScale(2.0);
    

    bg sprite will be twice bigger than the origin one.

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