// Vier halbe Torusobjekte // Neuauflage 12/2000 Christian Perle, Lars Westphal #include "colors.inc" camera { location <14, 10, -8>*1.2 direction <0, 0, 1.5> look_at <0, 0, 0> } light_source { <20, 20, 20> color White } light_source { <10, 500, -10> color rgb<1, .4, 0>} light_source { <0, 0, 0> color <.9, 1, 0>*1.4 } // Ein halber Torus #declare Halbtor = intersection { torus { 4.5, .75 } plane { z, 0 } rotate 90*x } union { object { Halbtor translate 4.5*z } object { Halbtor translate -4.5*z } object { Halbtor rotate 180*x rotate 90*y translate 4.5*x } object { Halbtor rotate 180*x rotate 90*y translate -4.5*x } pigment { marble turbulence 1 color_map { [0.0, 0.8 color rgb <0.9, 0.9, 0.9> color rgb <0.5, 0.5, 0.5>] [0.8, 1.0 color rgb <0.5, 0.5, 0.5> color rgb <0.2, 0.2, 0.2>] } } bounded_by { box { <-5.3, -5.3, -5.3>, <5.3, 5.3, 5.3> } } } // Eine hohle Glaskugel difference { sphere { <0, 0, 0>, 1.75 } sphere { <0, 0, 0>, 1.7 } texture { pigment { color rgbf<1.0, 1.0, 1.0, 0.7> } finish { specular 1 roughness 0.01 ambient 0 diffuse 0 reflection 0.1 refraction 1 ior 1.5 } } } // Hintergrund sphere { <0, 0, 0>, 1 hollow texture { pigment { bozo color_map { [0.0, 0.5 color rgb <0.8, 0.3, 0.0> color rgb <0.4, 0.0, 0.4>] [0.5, 0.7 color rgb <0.4, 0.0, 0.4> color rgb <0.0, 0.0, 0.3>] [0.7, 1.0 color rgb <0.0, 0.0, 0.3> color rgb <0.0, 0.0, 0.2>] } } finish { ambient 1 diffuse 0 } scale .2 } scale 1000 rotate 180*y }