Method setNodeBottom

core/ui/LayoutHelper.cpp:1077–1091

    pNode->setPositionX(ptLocal.x);
}
void LayoutHelper::VisibleRect::setNodeBottom(Node* pNode, float bottom)
{
    AX_ASSERT(pNode);
    Vec2 scrSize              = Director::getInstance()->getRenderView()->getDesignResolutionSize();
    ax::Point delta      = ax::Vec2(scrSize.width, 0) - LayoutHelper::VisibleRect::rightBottom();
    Vec2 size                 = pNode->getContentSize() * getScale2D(pNode);
    ax::Point achorPoint = Vec2::ZERO;
    if (!pNode->isIgnoreAnchorPointForPosition())
    {
        achorPoint = pNode->getAnchorPoint();
    }
    ax::Point ptWorld(0, adjust_coord(size.height, achorPoint.y, bottom) - delta.y);
    auto ptLocal = pNode->getParent()->convertToNodeSpace(ptWorld);
    pNode->setPositionY(ptLocal.y);
}

void LayoutHelper::VisibleRect::setNodeLT(Node* pNode, const ax::Point& p)
{