// Persistence of Vision Ray Tracer Scene Description File
// File: ?.pov
// Vers: 3
// Desc: Checkered Floor Example
// Date: mm/dd/yy
// Auth: ?
//

#version 3

#include "colors.inc"

#declare Cone_Ring =
union
{
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <0,0,0>
  }
/*  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <30,0,0>
  }
*/  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <60,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <90,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <120,0,0>
  }
/*  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <150,0,0>
  }
*/  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <180,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <210,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <240,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <270,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <300,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    rotate <330,0,0>
  }
}

#declare Cone_sphere =
union {
object { Cone_Ring rotate <0,0,0>}
object { Cone_Ring rotate <15,30,0>}
object { Cone_Ring rotate <0,60,0>}
object { Cone_Ring rotate <15,90,0>}
object { Cone_Ring rotate <0,120,0>}
object { Cone_Ring rotate <15,150,0>}
}

global_settings
{
  assumed_gamma 1.0
}

// ----------------------------------------
camera
{
  location  <0.0, 0.0, -0.7>
  direction 1.5*z
  right     4/3*x
  look_at   <0.2, 0.0, 1.0>
}

sky_sphere
{
  pigment
  {
    gradient y
    color_map { [0.0 color blue 0.6] [1.0 color rgb 1] }
  }
}

light_source
{
  0*x // light's position (translated below)
  color red 1.0  green 1.0  blue 1.0  // light's color
  translate <-30, 30, -30>
}


difference
{sphere
  {
    <0, 0, 0> // center of sphere <X Y Z>
    0.5       // radius of sphere
    pigment {color blue 1}
  }
  sphere {<0, 0, 0> 0.45 pigment {color blue 1}}
  object {Cone_sphere pigment {color blue 1}}
}

#declare Expanded_Ring =
union {
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <0,0,0>
  }
/*  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <30,0,0>
  }
*/    cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <60,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <90,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <120,0,0>
  }
/*  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <150,0,0>
  }
*/  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <180,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <210,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <240,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <270,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <300,0,0>
  }
  cone
  {
    <0,0,0>,  0.0,
    <0,-1,0>, 0.2
    translate <0,-1,0>
    rotate <330,0,0>
  }
}

#declare Expanded_sphere =
union {
object {Expanded_Ring}
object {Expanded_Ring rotate <15,30,0>}
object {Expanded_Ring rotate <0,60,0>}
object {Expanded_Ring rotate <15,90,0>}
object {Expanded_Ring rotate <0,120,0>}
object {Expanded_Ring rotate <15,150,0>}
}

// object {Expanded_Ring pigment {color blue 1}}