// Persistence of Vision Ray Tracer Scene Description File
// File: ?.pov
// Vers: 3.5
// Desc: Basic Scene Example
// Date: mm/dd/yy
// Auth: ?
//
#version 3.5;
#include "colors.inc"

global_settings {
  assumed_gamma 1.0
  ambient_light <0,0,0>
}

// ----------------------------------------

camera {
  location  <0.0, 0, -10.0>
  look_at   <0.0, -sqrt(2)/2,  0.0>
  angle 80
}
#declare my_radius = -1;
#declare my_tightness = 80;
#declare my_falloff = 90;
#declare ascale=(1-clock)*1.5; 
 
 
// create a point "spotlight" (conical directed) light source
light_source {
  0*x                     // light's position (translated below)
  color rgb <1,0,0>       // light's color
  spotlight               // this kind of light source
  translate <0, 0, -10> // <x y z> position of light
  point_at <1, 0, 0>*ascale      // direction of spotlight
  radius my_radius                // hotspot (inner, in degrees)
  tightness my_tightness            // tightness of falloff (1...100) lower is softer, higher is tighter
  falloff my_falloff               // intensity falloff radius (outer, in degrees)
}
light_source {
  0*x                     // light's position (translated below)
  color rgb <0,1,0>       // light's color
  spotlight               // this kind of light source
  translate <0, 0, -10> // <x y z> position of light
  point_at <-1, 0, 0>*ascale      // direction of spotlight
  radius my_radius                // hotspot (inner, in degrees)
  tightness my_tightness            // tightness of falloff (1...100) lower is softer, higher is tighter
  falloff my_falloff               // intensity falloff radius (outer, in degrees)
}
light_source {
  0*x                     // light's position (translated below)
  color rgb <0,0,1>       // light's color
  spotlight               // this kind of light source
  translate <0, 0, -10> // <x y z> position of light
  point_at <0, -sqrt(2), 0>*ascale      // direction of spotlight
  radius my_radius                // hotspot (inner, in degrees)
  tightness my_tightness            // tightness of falloff (1...100) lower is softer, higher is tighter
  falloff my_falloff               // intensity falloff radius (outer, in degrees)
}





// ----------------------------------------

plane {
  z, +1
  pigment { color rgb <1,1,1> }
}