Play with this (very rough):


#version 3.8;

global_settings {
   assumed_gamma 1.0
}

camera {
   location  <0, 100, -10>
   sky       y
   up        y
   direction z
   right     image_width/image_height
   angle     54
   look_at   <0, 0, 0>
}

light_source {
   <0,0,0>
   color rgb <1, 1, 0.7>*2
   translate <0, 50, 20>
}

background {rgb 0}

plane {
   y, 0
   pigment {rgb <0.1,0.1,0.1>}
   normal {
     average
     normal_map {
       [1.0 crackle 1.00 solid scale 1.5 warp {turbulence 0.05}]
       [0.4 granite 1.00 scale 0.001]
     }
     scale 5
   }
   finish {
     specular albedo 0.5
     diffuse albedo 0.5
     roughness 0.001
   }
}





-- 
Thomas

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