// sun

#include "colors.inc"

camera {location<0,0,-40>angle 100}

#declare the_sun=
pigment{
gradient y
color_map {
[0.000 color rgbt 1.5*<1,.95,.9,0>]
[0.003 color rgbt 1.5*<1,.95,.9,.1>]
[0.005 color rgbt <1,1,0.9,.2>]
[0.05 color rgbt <.7,.6,.5,.5>]
[0.1 color rgbt <.7,.6,.5,.5>]
[1 color rgbt<1,1,1,1>]
}
scale 2
translate -1
rotate -100*x
}

light_source{<0,-1000,0> color rgb<1,.997,.97>rotate -100*x}

#declare the_gradient =
pigment{
gradient y
color_map {
[0 color rgbt<.7,.6,.5,.2>]
[1 color rgb<0.0,0.0,0>]
}} 

#declare cloud_layer =
pigment{ 
wrinkles
turbulence .5
octaves 6
lambda 6
omega 0.6
color_map{
[0 color rgbt<1,1,1,1>]
[0.5 color rgbt<0.98,0.99,0.99,.8>]
[1 color rgbt<1,1,1,1>]
}
scale <.8,.1,.8>
}

sky_sphere{ 
pigment{the_gradient}
pigment{the_sun}
pigment{cloud_layer}}

//cloud layer1

#declare red_hue =
pigment {
wrinkles
turbulence .4
lambda 4
omega .7
color_map{
[0 color rgbt<1,1,1,1>]
[.2 color rgbt<1,1,1,1>]
[.5 color rgbt 1.5*<1,.4,.4,.4>]
[.8 color rgbt<1,1,1,1>]
[1 color rgbt<1,1,1,1>]
}}

#declare lighter_hue =
pigment{
quilted
turbulence .4 
lambda 4
octaves 3
omega .7
color_map{
[0 color rgbt<1,1,1,1>]
[.2 color rgbt<1,1,1,1>]
[.5 color rgbt<1,.3,.97,1>]
[.8 color rgbt<1,1,1,1>]
[1 color rgbt<1,1,1,1>]}}

plane {y, 900
texture {
pigment {
gradient z

pigment_map{
[0 lighter_hue]
[.3 red_hue]
[.5 red_hue]
[.7 red_hue]
[1 lighter_hue]}}
finish {ambient 1 diffuse 0}
scale 5000
rotate 90*y
translate <-5000,500,-10000>
}
hollow
}

//cloud layer 2

plane {-y,-1200
texture{
pigment{
bozo
turbulence .05
omega .7
color_map{
[0 color rgbt<.8,.8,.8,1>]
[.5 color rgbt<1,.85,.79,.5,.6>]
[1 color rgbt<1,.85,.79,1>]}}
finish {ambient 1 diffuse .5}
scale 2000
translate<1500,900,-2000>}
hollow}

// cloud layer 3

plane {y, 300.0
hollow on
pigment{
bozo
omega .5
lambda 5
octaves 6
turbulence 0.5
color_map{
[0.0 0.6 color rgbf<1,1,1,1>
color rgbf<1,1,1,1>]
[0.6 0.8 color rgbf<1,1,1,1>
color rgb<1,.9,.8>]
[0.8 1.001 color rgb<1,.9,.8>
color rgb <1,1,.9>]
}
scale<1000.0,200.0,800.0>}
finish {ambient 1 diffuse 0.0}
translate -450*x
rotate 6*y}

fog{
distance 2000
color rgbt<0.5,0.55,0.65,.5>
fog_type 2
fog_offset 1
fog_alt 10
}

fog {
distance 2000
color rgbt<.65,.7,.8,.5>
fog_type 2
fog_offset 20
fog_alt 10
turbulence 0.1
turb_depth 0.2
}

fog {
distance 2000
color rgbt<.68,.7,.68,.66>
fog_type 2
fog_offset 40
fog_alt 20
turbulence 0.1
turb_depth 0.2
}


plane {y,-5
pigment {color rgbt<0.1,0.1,0.1,.4>}
finish {phong 1 phong_size 90 diffuse 0 reflection.8 }
normal{
ripples
scale 3000
frequency 5000

}                                                   
    hollow}
    
plane {y,-20
pigment{color 0.6*White}}