//  The ring - inner radius 1.0, outer radius defined by make script
//  Last edited on 2020-11-08 19:05:02 by jstolfi

//
//  Requires
//    sib_ring_pebble_size
//    sib_ring_light_color
//
//  Defines
//    sib_ring

// #include "ring.incx"

global_settings{ max_trace_level 50 }

#local irad = 1.0;
#local orad = 3.0;

#declare sib_ring = 
  union{
    torus{ 
      (irad+orad)/2, 
      (orad-irad)/2 
      scale < 1, 0.01, 1 > 
      rotate 100*x 
      rotate 15*y
      texture{ texture_rock }
    }
    light_source {
      < -1450, +0650, +0300 >
      color rgb sib_ring_light_color
      spotlight
      point_at < 0, 0, 0 >
      radius 0.42 falloff 1.00
    } 
  }