cocos 旋轉效果

auto rotate = RotateBy::create(10, 360);
auto action = RepeatForever::create(rotate);
for(int i = 0; i < 3; i++) {
auto sprite = Sprite::create("Images/grossini.png");
sprite->setPosition(Vec2( s.width/4*(i+1), s.height/2));

auto point = Sprite::create("Images/r1.png");
        point->setScale(0.25f);
        point->setPosition(sprite->getPosition());
        addChild(point, 10, 100 + i);

switch(i)
{
        case 0:
            sprite->setAnchorPoint(Vec2::ZERO);
            break;
        case 1:
            sprite->setAnchorPoint(Vec2(0.5f, 0.5f));
            break;
        case 2:
            sprite->setAnchorPoint(Vec2(1,1));
            break;
        }

point->setPosition(sprite->getPosition());

sprite->runAction( action->clone() );        addChild(sprite, i);