On 12/5/20 12:02 PM, Julia wrote:
> Hi,
> there is another problem that i have been trying to figure out for the past
> week, but i'm just starting to give up.
> The problem is that there arent any shadows. Not only on the other side of the
> sphere but also when its in front of another nothing happens.
> Also when i dont put "ambiet" the spheres just get dark on both sides, still no
> shadow.
> here is the code:
> 
> #include "colors.inc"
> 
> camera {
>          location <5,10,-60>
>          look_at <0,0,0>
>          angle 25
>          }
> 
> light_source {
>          <0,0,0>
> 
> 
>                 }
> 
> 
> // słońce
>   sphere {
>       <0,0,0>, 10
>     pigment {
>          bozo
>                  turbulence 5
>           color_map {
>          [0.0 color <1,0,0>]
>          [0.25 color <1,1,0>]
>          [1.0 color <1,0.65,0>]
>          }
>       scale 3
>     }
>     normal {bumps 1.0}
>     finish {ambient 1}
> 
>   scale 1/6
> 
> 
> 
>    rotate <0,380*clock,0> //obrót
> }
> 
> 
> ///////////////////////////////////////////
> 
> union
>          {
>          //ziemia
> object        {  sphere {
>          <0,0,0>, 3.7
>     pigment {
>          agate
>                  turbulence 1.5
>           color_map {
>           [0.0 color <1,1,1>]
>           [0.10 color <0,0.5,0>]
>           [1.0 color <0,0,1>]
>           }
>        scale 2
>       }
>    finish {ambient 0.8
>                diffuse 0.5}
> 
>     scale 1/6
>     rotate <0,23,0>
>     rotate <0,-6260*clock,0>
>    rotate <0,360*clock,0> //obót dni
> 
> 
>   }   }
> 
>   object
>    //księżyc
>     {sphere {
>          <8,0,0>, 1.5
>     pigment {
>          granite
>                  turbulence 1.4
>           color_map {
>           [0.0 color <1,1,1>]
>           [0.10 color <.5,.5,.5>]
>           [1.0 color <.8,.8,.8>]
>           }
>        scale 2
>       }
>         normal {bumps 1.0}
> 
>        finish {
>        ambient 0.5
>        brilliance 0.5 }
> 
>     scale 1/6
>      rotate <5,-4680*clock,0>
>   rotate <0,-4680*clock,0> //obót dni
>   }
> }
> 
> translate <9,0,0>
>   rotate <0,-360*clock,0>
>   }
> 
> 
> thanks for help :))
> 
> try the looks_like modifier on the light source... used that first 
sphere you have defined just after the light source in the looks_like 
definition

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