/*Note: Antialiasing will be INCREDIBLY slow using a decent setting.
  I render at around double resolution then rescale using
  bicubic or something similar with an external program. MUCH quicker
  that way.                                                       */

#include "colors.inc"
#include "textures.inc"
#include "metals.inc"
#include "stones1.inc"
#include "stones2.inc"
#include "skies.inc"

global_settings{
  max_trace_level 30
  ambient_light 0.0
  radiosity {
      normal on
      pretrace_start 0.08
      pretrace_end   0.04
      count 25
      nearest_count 5.5
      error_bound 0.1
      recursion_limit 2
      low_error_factor 0.2
      gray_threshold 0.0
      minimum_reuse 0.01
      brightness 1
      adc_bailout 0.01
  }
}

sky_sphere{S_Cloud1}

light_source { //key
  <-3000,2000,2000>, rgb <1,.95,.9>
  area_light <0,0,0>,<48,48,-75>, 100 ,100
  circular
  adaptive 1
}

camera{ location <0,3,-5> look_at <0,.3,0,> }

plane{
  y,0
  texture {
    wrinkles
    texture_map {
      [0.3
        pigment{Gray}
        finish{
          specular .7
          phong .1 phong_size 10
          reflection {0.1,.5}
          diffuse .4
          roughness .05
        }
        normal{ wrinkles .01 }
      ]
      [0.5
        pigment{
          wrinkles
          color_map{
            [0.1 color Gray/2]
            [1.0 color Gray]
          }
          scale x*1/5
        }
        finish{
          reflection 0.1
          roughness .3
          crand .02
          diffuse .6
          roughness .05
          specular .7
          phong 1 phong_size 200
        }
        normal{ wrinkles .01 }
      ]
      [0.75
        pigment{
          wrinkles
          color_map{
            [0.1 color Gray/2]
            [1.0 color Gray]
          }
          scale x*1/5
        }
        finish{
          reflection 0.1
          roughness .3
          crand .02
          diffuse .6
          roughness .05
          specular .7
          phong 1 phong_size 200
        }
        normal{ wrinkles .01 }
      ]
      [0.85
        pigment{Tan/10 + Gray/1.5}
        finish{
          specular .0
          diffuse .4
          roughness .05
          phong .1 phong_size 10
        }
      ]

    }
    scale <40,.5,.4>
    translate z*-3
  }
}

sphere{
  0,1
  translate <-1.5,1,1>
  texture{T_Stone17}
}