libraries/ManiaLib/Gui/Component.php
function incPosY($posY)
    {
        $oldY = $this->posY;
        $this->posY += $posY;
        $this->onMove($this->posX, $oldY, $this->posZ);
    }
function incPosY($posY)
    {
        $oldY = $this->posY;
        $this->posY += $posY;
        $this->onMove($this->posX, $oldY, $this->posZ);
    }
Increment position Y
@param float