easylua.StartEntity("tornado")
    function ENT:SetupDataTables()
        self:DTVar("float", 0, "wind_speed")
    end

    if CLIENT then
        function ENT:Initialize()
            self:SetRenderBounds(self:GetPos(), self:GetPos() + Vector(0,0,1000))
        end

        function ENT:Draw()
            -- sprites
        end
    end

    if SERVER then
        function ENT:Initialize()
            self.dt.wind_speed = 100
        end

        function ENT:Think()
            -- physics
        end
    end
easylua.EndEntity(should_spawn, should_reload)