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// This work is licensed under the Creative Commons Attribution 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/
// or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View,
// California, 94041, USA.
// Persistence Of Vision raytracer version 3.5 sample file.
//
// -w320 -h240
// -w800 -h600 +a0.3
// Sample Quartic file
// by Alexander Enzmann
// Bicorn
#version 3.7;
global_settings {
assumed_gamma 1.0
}
#include "shapes.inc"
#include "colors.inc"
#include "textures.inc"
#include "shapesq.inc"
// Get the declaration of the coordinate axes
#include "axisbox.inc"
// Declare the orientation of the surface
#declare Orient = <-20, -60, 0>;
// Bicorn
union {
object {
Bicorn
sturm
texture { pigment { Red } finish { phong 1.0 } }
scale 3
bounded_by { sphere { <0, 0 ,0>, 3 } }
clipped_by {
plane { x, 0.5 }
plane { -x, 0.5 }
}
}
object {
Bicorn
sturm
texture { pigment { color rgb<0.35,0.75,1> } finish { phong 1.0 } }
scale 2.99
translate 0.01*y
bounded_by { sphere { <0, 0, 0>, 2.99 } }
clipped_by {
plane { x, 0.49 }
plane { -x, 0.49 }
}
}
translate -1.5*y
rotate Orient
}
// Show coordinate axes
object {
Axes
rotate Orient
}
// The viewer is eight units back along the z-axis.
camera {
location <0.0, 0.0, -8.0>
right x*image_width/image_height
angle 65
}
// Put in some light sources so that highlighting can give visual clues
// as to the shape of the surface.
light_source { <200, 100, -300> colour White }
light_source { <-200, 100, -300> colour White }
background { color rgb<1,1,1>*0.03 }
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