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