--Create a window
        window = Window:Create()
        context = Context:Create(window)
        world = World:Create()
        camera = Camera:Create()
        camera:SetRotation(35,0,0)
        camera:Move(0,0,-6)
        local light = DirectionalLight:Create() 
        light:SetRotation(35,35,0) 
        
        local model = NULL 
        
        model = Model:Box() 
        model:SetColor(1.0,0.0,0.0) 
        model:SetPosition(-4,0,0) 
        
        model = Model:Cylinder() 
        model:SetColor(0.0,1.0,0.0) 
        model:SetPosition(-2,0,0) 
        
        model = Model:Cone() 
        model:SetColor(0.0,0.0,1.0) 
        model:SetPosition(0,0,0) 
        
        model = Model:Sphere() 
        model:SetColor(0.0,1.0,1.0) 
        model:SetPosition(2,0,0) 
        
        model = Model:Create() 
        model:SetColor(1.0,0.0,1.0) 
        model:SetPosition(4,0,0) 
        
        local surface = tolua.cast(model:AddSurface(),"Surface") 
        surface:AddVertex(-0.5,-0.5,0, 0,0,-1) 
        surface:AddVertex(0.5,-0.5,0, 0,0,-1) 
        surface:AddVertex(0.5,0.5,0, 0,0,-1) 
        surface:AddVertex(-0.5,0.5,0, 0,0,-1) 
        surface:AddTriangle(2,1,0) 
        surface:AddTriangle(0,3,2) 
        surface:UpdateAABB() 
        model:UpdateAABB(Entity.LocalAABB) 
        model:UpdateAABB(Entity.GlobalAABB) 
        
        while true do
        
            if window:Closed() or window:KeyHit(Key.Escape) then return false end

            Time:Update()
            world:Update()
            world:Render()
            context:Sync()

        end