"LanuHum" <Lan### [at] yandexru> wrote:
> "LanuHum" <Lan### [at] yandexru> wrote:
> > "LanuHum" <Lan### [at] yandexru> wrote:
> > > Hello! I never learned to speak English, but I have to ask. :)
> > > I create an object CSG. Coordinates not in center
> >
> > Now: apply csg
> > #declare data_Box_shape_ob = box { -1, 1
> > texture {Default_texture}
> >     matrix <1.000000, 0.000000, 0.000000,  0.000000, 1.000000, 0.000000,
> > 0.000000, 0.000000, 1.000000,  0.000000, 7.976446, 0.000000>
> > }
> > #declare data_Lathe_shape_ob = lathe { bezier_spline 4,
> > <0,1><0.5,0.5><0,0><0,-1>
> > texture {Default_texture}
> >     matrix <4.859933, 0.000000, 0.000000,  0.000000, 4.859933, 0.000000,
> > 0.000000, 0.000000, 4.859933,  0.000000, 6.200044, 0.000000>
> > }
> > #declare data_Box_shape_csg =
> > difference {
> > object {data_Box_shape_ob}
> > object {data_Lathe_shape_ob}
> > }
>
> Now:
> #version 3.7;
>
> #include "functions.inc"
> #include "shapes.inc"
>
> global_settings {
>     assumed_gamma 1.000000
>     max_trace_level 3
>     charset utf8
> }
> sky_sphere {
>     pigment {rgb<0.051, 0.051, 0.051>}
> }
>
> #declare Default_texture = texture{pigment {rgb 0.8}}
>
> #declare data_Box_shape_ob = box { -1, 1
>     texture {Default_texture}
>         matrix <1.000000, 0.000000, 0.000000,  0.000000, 1.000000, 0.000000,
> 0.000000, 0.000000, 1.000000,  0.000000, 7.976446, 0.000000>
> }
> #declare data_Lathe_shape_ob = lathe { bezier_spline 4,
>     <0,1><0.5,0.5><0,0><0,-1>
>     texture {Default_texture}
>         matrix <4.859933, 0.000000, 0.000000,  0.000000, 4.859933, 0.000000,
> 0.000000, 0.000000, 4.859933,  0.000000, 6.200044, 0.000000>
> }
> #declare data_Box_shape_csg =
> difference {
>     object {data_Box_shape_ob}
>     object {data_Lathe_shape_ob}
>
>     matrix <1.000000, 0.000000, 0.000000,  0.000000, 1.000000, 0.000000,
> 0.000000, 0.000000, 1.000000,  0.000000, 7.976446, 0.000000>
> }
> object {data_Box_shape_csg
>     matrix <1.000000, 0.000000, 0.000000,  0.000000, -0.000000, -1.000000,
> 0.000000, 1.000000, -0.000000,  0.000000, 0.000000, 0.000000>
> }
> light_source {
>     <4.08,5.9,-1.01>
>     color rgb<1, 1, 1>
>     fade_distance 29.9999828339
>     fade_power 1
> }
> camera {
>     perspective
>     location  <0,0,0>
>     look_at  <0,0,-1>
>     right <-1.7777777777777777, 0, 0>
>     up <0, 1, 0>
>     angle  49.134343
>     rotate  <-26.440706, 46.691945, -0.000003>
>     translate <7.481132, 5.343666, 6.507640>
> }
>
> The object moves per frame.

Matrices are multiplied. How to manipulate an object using a matrix?

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