// Last edited on 2024-05-01 21:44:45 by stolfi

global_settings{ max_trace_level 4 }

#declare empty = sphere{ <0,0,0>, 0 texture{ pigment{ color rgb < 0,0,0 > } } }

background{ color rgb <1, 1, 1> }

#include "colors_basic.inc"

#declare rad_arrow = 0.04;

#macro garrow(p, dir, tx)
  #local rad = rad_arrow;
  #local len = 2.0;
  object{ axis(rad,len,dir) translate p texture{ tx } }
#end

// Surface texture:
#declare txs = 
  texture{ 
    pigment{ color rgb < 1.000, 0.900, 0.300 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

// Gauge texture:
#declare txg = 
  texture{ 
    pigment{ color rgb < 0.950, 0.950, 0.950 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

// Arrows texture:
#declare txv = 
  texture{ 
    pigment{ color rgb < 0.300, 0.700, 1.000 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }
 
// Floor texture:
#declare txf = 
  texture{ 
    pigment{ checker color rgb < 0.900, 0.900, 0.900 >, color rgb < 0.800, 0.800, 0.800 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#include "axes.inc"
// object{ axes(0.05, 7.0) }
  
// box{ < -20, -20, -0.1 >, < +20, +20, -0.02 > texture{ txf } }

#declare scene_center = < 0, 0, 8 >;
#declare scene_radius = 20.00;
#declare cam_dir = < 5, 2, 2 >;
#declare cam_dist = 7*scene_radius;
// #declare cam_dir = < 0, 10, 7 >;
// #declare cam_dist = 100*scene_radius;

#include "camlight.inc"