>
>
> Would it be possible to run the callback when I init a "mouse" object? I 
> feel like it should be possible but I can't seem to figure out how to 
> reference or pointer the object being initialized from within it's own 
> constructor. Similar to the below, replacing thisObject for something?
>
> type Mouse
>     position
>
>     function Mouse(window)
>         position = (0.0,0.0)
>         GLFW.SetCursorPosCallback(window, (x,y)->thisObject.position = (x,
> y))
>
>         new(position)
>     end
> end
>         
>  
>
> Sure, the key point is that `new(...)` returns the new instance. So in 
your example it would be like 

type Mouse
    position

    function Mouse(window)
        position = (0.0,0.0)
        self = new(position)

        GLFW.SetCursorPosCallback(window, (x,y)->(self.position=(x,y); 
nothing))
        return self
    end
end


I wouldn't use a Tuple to store the position though. Maybe Graphics.Vec2 is 
more suitable.

- Alex.

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