File:Lensing time cube.gif

Summary

A GIF of a cube in a sphere, while the index of refraction changes.

Copyright XenoEngineer

POVRay code

// POV-Ray refraction study as parallel to a time lens //

#include "colors.inc"

light_source {    100    color White  }

camera {
    //orthographic
    location x*1.2
    look_at  <0,0,0>
}
// Create an infinite sphere around scene and allow any pigment on it
sky_sphere{ pigment { gradient <0,1,0>
                      color_map { [0.00 rgb <0.6,0.7,1.0>]
                                  [0.35 rgb <0.0,0.1,0.8>]
                                  [0.65 rgb <0.0,0.1,0.8>]
                                  [1.00 rgb <0.6,0.7,1.0>] 
                                } 
                      scale 1         
                    } // end of pigment
          }

#declare ndx=2;

box {-.1, +.1  
    texture{ pigment{color Red } finish{phong .58} 
    }
    rotate x*(180*clock)
    rotate z*(180*clock)
    
}
//progressive ior
sphere{ 0, .5
    texture{ pigment{
                color White 
                filter 1
             }
             finish{phong .58} 
    }
    interior {ior ndx*clock}    
}

/*
plane { <0,1,0> // normal vector
      , 0 // distance from origin
  pigment { checker color White, color Black scale .1 }
}// http://xahlee.org/3d/index.html
*/

                       


text { ttf "arial.ttf", concat("IOR: ", str(ndx*clock,3,3)), .1, 0 // thickness, offset
       texture{ pigment{ color rgb<1,0.75,0>} 
                normal { bumps 0.25 scale 0.01}
                finish { specular 1 reflection 0.25}
       } // end of texture
        
       scale .05         
       
       rotate x*0
       rotate y*-90
       rotate y*-0
              
       translate x*.21
       translate y*.3
       translate z*-.6
       
       
} // end of text object