On 07/02/2012 10:37 PM, jotito wrote:
> #version 3.7;
>
> #include "textures.inc"
>
> difference
> {
>     box{<-2,1,-2>, < 2,4, 2> }
>     union
>     {
>        box{< 0,0,-3>, < 3,3, 3>}
>        box{< 0,2,-3>, < 3,5, 3>}
>     }
>     texture {Gold_Texture}
> }
>
> light_source { <5,3,0> }
>
> camera
> {
>    location <5,3,0>
>    look_at <0,3,0>
>    sky <0,1,0>
> }
>
> Rendering the above scene creates a box with some kind of hole in the middle.
> The boxes in the union must be like a big box {< 0,0,-3>, < 3,5, 3>} but the
> behavior is different.
>
>

OK ... so what's new (I'm confused) are you trying to do this:

difference
{
    box{<-2,1,-2>, < 2,4, 2> }
    box{< 0,0,-3>, < 3,2, 3> }
    box{< 0,3,-3>, < 3,5, 3> }
    texture {Gold_Texture}
}

or this:

difference
{
    box{<-2,1,-2>, < 2,4, 2> }
    box{< 0,0,-3>, < 3,3, 3> }
    box{< 0,2,-3>, < 3,5, 3> }
    texture {Gold_Texture}
}

because if it's the 2nd one why not just do this:

box{<-2,1,-2>, < 0,4, 2> }

.. I mean yer just choppin' off the pos x portion of the main box!

Jim

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