Hello again!
Now my light is REALLY strange...

I have a sort of yellow thing that is stuck to the wall, butthe shadow is as
if my thing was far from the wall...
Plus, there is a brass ball that have a really strange shadow O_o

And if I apply a scale 20, the artifacts diseapear 0_o

Here is the image :

http://dragons.masters.free.fr/images/demo3.png

Here comes the code :



#include "colors.inc"
#include "textures.inc"
#include "metals.inc"

global_settings {
  max_trace_level 20
}


// Change this and you will see
// that the artifacts chenge... :-S

#declare echelle = 1;

camera {
  location <-0.00,-0.7957,-1.308>*echelle
  look_at <-0.0,-.791,-1.30001>*echelle

}


#declare my_object = union {
  union {
    light_source {
      <-0.22,-0.75,-1.40>
      White
    }
    union {
 box {
   <0.025,-0,-1.3>
   <-0.025,-0.87,-1>
 }
      mesh {
 triangle {
   <0,-0.79,-1.29999>
   <0.004,-0.795,-1.29999>
   <0,-0.7925,-1.303>
 }
 triangle {
   <0,-0.79,-1.29999>
   <-0.004,-0.795,-1.29999>
   <0,-0.7925,-1.303>
 }
 triangle {
   <0,-0.795,-1.29999>
   <0.004,-0.795,-1.29999>
   <0,-0.7925,-1.303>
 }
 triangle {
   <0,-0.795,-1.29999>
   <-0.004,-0.795,-1.29999>
   <0,-0.7925,-1.303>
 }
 triangle {
   <0,-0.795,-1.29999>
   <-0.004,-0.795,-1.29999>
   <0,-0.79,-1.2999>
 }
 triangle {
   <0,-0.795,-1.29999>
   <0.004,-0.795,-1.29999>
   <0,-0.79,-1.29999>
 }
 inside_vector <0,1,0>

 texture {
   pigment { Yellow }
 }
      }
      sphere {
 <0,-0.7935,-1.301>
 0.001
 texture {
   Brass_Metal
 }
      }
      texture {
 pigment { Red }
      }
    }
  }
}



object {
  my_object
  scale echelle
}

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