Memory leak, Hide Widget Panel.

[Yue]

--Create a window
window = Window:Create()
context = Context:Create(window)
world = World:Create()
local camera = Camera:Create()
camera:Move(0,0,-3)
local light = DirectionalLight:Create()
light:SetRotation(35,35,0)

model = Model:Box()
model:SetColor(0.0,0.0,1.0)


local gui = GUI:Create(context)
local base = gui:GetBase()
base:SetScript("Scripts/GUI/Panel.lua")
base:SetObject("backgroundcolor",Vec4(0,0,0,0.1))
pnl = Widget:Panel(300,100,200,200,base)

cam = Camera:Create()
while true do
        if window:Closed() or window:KeyHit(Key.Escape) then return false end

	--Time:Pause()
	pnl:Hide()
        model:Turn(0,Time:GetSpeed(),0);

        Time:Update()
        world:Update()
	
	
        world:Render()
		context:DrawStats(10, 10)
        context:Sync(false)
       collectgarbage()
end