雲を描画します。
//**********************************************************************************
#local Cv1 = < 0.332, 0.443, 0.468 >;
#local Cv2 = < 0.850, 0.850, 0.850 >;
#local Cv3 = < 0.750, 0.750, 0.750 >;
#local P_cloud =
pigment { bozo
turbulence 0.65 octaves 6 omega 0.7 lambda 2
color_map { [ 0.0,0.1 color Cv2 color Cv3 ]
[ 0.1,0.5 color Cv3 color rgbf <1,1,1,1> ]
[ 0.5,1.001 color rgbf <1,1,1,1> color rgbf <1,1,1,1> ] }
scale <6,1,6> }
sky_sphere { pigment { color rgb Cv1 } pigment { P_cloud } }
//**********************************************************************************
