//Grundobjekte auf Schachbrett
#include "colors.inc" 
#include "koordsys-1.inc"
#include "textures.inc" 
#include "metals.inc"
#include "stones.inc"

global_settings {  assumed_gamma 1.0 }
#default{ finish{ ambient 0.1 diffuse 0.5 }}
camera {
        location <2,4,-4>
        look_at <0,0,0>
        }
light_source {
    <1500, 2500, -2500>
    color rgb <1, 1, 1> 
  }
    
 light_source {
    <-3000, 2500, -2500>
    color rgb <1, 1, 1>*0.5
  }

background {rgb <0.5,0.5,1>
  }

plane   {<0,1,0>, -3
        texture {pigment {checker Gray, White  scale 2
        }}
     }