#include "functions.inc"

camera {
  location  <0.0, 1, -5.0>
  look_at   <0.0, 1,  0.0>
}

// Create an infinite sphere around scene and allow any pigment on it
sky_sphere {
    pigment {
        function { max(min(y,1),0) }
        color_map {
            [  0/269 color rgb <120/255, 79/255, 51/255>]
            [  1/269 color rgb <141/255, 83/255, 46/255>]
            [  2/269 color rgb <177/255, 86/255, 41/255>]
            [  3/269 color rgb <235/255,128/255, 72/255>]
            [  5/269 color rgb <255/255,159/255, 72/255>]
            [  8/269 color rgb <255/255,203/255, 94/255>] // New
            [ 10/269 color rgb <255/255,218/255,112/255>]
            [ 13/269 color rgb <255/255,233/255,148/255>] // New
            [ 15/269 color rgb <251/255,241/255,172/255>] // New
            [ 20/269 color rgb <255/255,246/255,203/255>]
            [ 30/269 color rgb <255/255,240/255,219/255>]
            [ 40/269 color rgb <236/255,223/255,214/255>]
            [ 50/269 color rgb <205/255,204/255,212/255>]
            [ 55/269 color rgb <185/255,190/255,209/255>] // New
            [ 60/269 color rgb <166/255,176/255,201/255>]
            [ 65/269 color rgb <149/255,163/255,190/255>] // New
            [ 70/269 color rgb <129/255,149/255,182/255>]
            [ 80/269 color rgb <103/255,127/255,171/255>]
            [ 90/269 color rgb < 79/255,110/255,154/255>]
            [100/269 color rgb < 66/255, 97/255,143/255>]
            [110/269 color rgb < 52/255, 84/255,131/255>]
            [120/269 color rgb < 47/255, 75/255,122/255>]
            [140/269 color rgb < 37/255, 60/255,102/255>]
            [160/269 color rgb < 32/255, 51/255, 84/255>]
            [180/269 color rgb < 27/255, 42/255, 71/255>]
            [200/269 color rgb < 25/255, 36/255, 58/255>]
            [220/269 color rgb < 22/255, 31/255, 48/255>]
            [240/269 color rgb < 18/255, 27/255, 42/255>]
            [260/269 color rgb < 15/255, 21/255, 33/255>]
            [269/269 color rgb < 15/255, 21/255, 33/255>]
        }
    }
    scale (1/2)
}

plane {
    y, 0.0
    material {
        texture {
            pigment {
                color rgbt <0.8, 0.9, 1, 0.9>
            }
            finish {
                ambient 0.0
                diffuse 0.0

                reflection {
                    0.2, 1.0
                    fresnel on
                }

                specular 0.4
                roughness 0.003
            }
            normal {
                function {
                    f_ridged_mf(x/9, y, z/5, 0.1, 3.0, 7, 0.7, 0.7, 2)
                } 0.6
                turbulence 2.5
                scale 0.13
            }
        }
        interior { ior 1.3 }
    }
}

plane {
    y, 0.0 
    translate <0, -0.01, 0>
}