Cocos2dx 动作篇二(ScaleTo & ScaleBy)
发布时间:2020-12-14 19:42:13 所属栏目:百科 来源:网络整理
导读:Size visibleSize = Director::getInstance()-getVisibleSize(); Vec2 origin = Director::getInstance()-getVisibleOrigin(); Sprite * sp1 = Sprite::create("HelloWorld.png"); sp1-setPosition(Point(150,visibleSize.height / 2)); sp1-setScale(2.0f);
Size visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin(); Sprite * sp1 = Sprite::create("HelloWorld.png"); sp1->setPosition(Point(150,visibleSize.height / 2)); sp1->setScale(2.0f); this->addChild(sp1); Sprite * sp2 = Sprite::create("HelloWorld.png"); sp2->setPosition(Point(600,visibleSize.height / 2)); sp2->setScale(2.0f); this->addChild(sp2); //拉伸动作 ////////////////////////////////动作执行的时间,x轴拉伸的倍数,y轴拉伸的倍数 ScaleTo * scaleto = ScaleTo::create(2.8f,0.4f,1.0f); ////////////////////////////////动作执行的时间,y轴拉伸的倍数 ScaleBy * scaleby = ScaleBy::create(2.8f,1.0f); sp1->runAction(scaleto); sp2->runAction(scaleby); ScaleTo & ScaleBy的区别是:ScaleTo不管你原先是否对精灵进行拉伸,只是在原精灵的基础上拉伸指定倍数,ScaleBy是考虑到原来对精灵的拉伸,把原来精灵拉伸的倍数也算到拉伸动画的倍数里面去,个中缘由大家一试就会非常清楚。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |