//------------------ Fig.14.10-1a Tetrahedron
#version 3.7
#include "colors.inc"
#include "textures.inc"
#include "Woods.inc"
#include "stones.inc"
#include "glass.inc"
#include "metals.inc"
#include "skies.inc"
#include "stars.inc"
#include "chars.inc"
#include "shapes.inc"
#include "shapes2.inc"
#include "shapes3.inc"
global_settings
{ assumed_gamma 2.2 }
//-----------------------------camera - light
camera{
location <0,-14,8>
sky <0, 0, 1>
right <-image_width/image_height,0,0>
look_at <0, 0, 0>
angle 25
}
light_source{ <300,-400,500> color rgb 1.5}
//=================================== Tetrahedron
#declare T1=texture{pigment{Coral*1.2 }
normal{agate 0.3 scale 0.8} }
#declare T2=texture{T_Grnt25 finish{reflection 0.3}
scale 0.8}
object{
Tetrahedron
texture{T1}
rotate x*90 scale 0.6
rotate z*20 translate <-1.5,-0.5,0>
}
object{
Tetrahedron
texture{T2}
rotate x*90 scale 0.8
rotate y*15 translate <1.5,1,0>
}
//---------------------------------------floor
#declare CA1=rgb<0.85,0.85,0.8>;
#declare CA2=rgb<0.85,0.85,0.8>*1.2;
plane{ z, -1.01
pigment{ checker color CA1, color CA2 scale 0.3 }
}
//----------------sky
sky_sphere{
pigment{
wrinkles
color_map{
[ 0.3 SkyBlue]
[ 0.9 White ]
}
scale <1, 0.2, 0.2>
}
}
