// Persistence of Vision Ray Tracer Scene Description File

// File: mbsdl_basic.pov

// Vers: 3.6, 3.7

// Desc: Basic Scene Example

// Date: 12/18/09

// Auth: David Wagner

// Cite: http://www.skytopia.com/project/fractal/2mandelbulb.html



#version 3.6;



#include "mbsdl.inc" // Include this first.

#include "colors.inc"



global_settings {

  assumed_gamma 1.0

}



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



camera {

  location  <0.0, 0.5, -4.0>

  direction 1.5*z

  right     x*image_width/image_height

  look_at   <0.0, 0.0,  0.0>

}



sky_sphere {

  pigment {

    gradient y

    color_map {

      [0.0 rgb <0.6,0.7,1.0>]

      [0.7 rgb <0.0,0.1,0.8>]

    }

  }

}



light_source {

  <0, 0, 0>            // light's position (translated below)

  color rgb <1, 1, 1>  // light's color

  translate <-30, 30, -30>

}



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



plane {

  y, -1

  pigment { color rgb <0.7,0.5,0.3> }

}



isosurface {

  function {f_mandelbulb(x,y,z, 8,8,8, 3, 3)}

  threshold 1/3

  max_gradient 20

  accuracy 0.001

  contained_by {sphere{<0,0,0>,4.8}}

  texture {

    pigment {

      function { f_mandelbulb(x,y,z, 8,8,8, 20, 3 ) }

      scale 1.05

      frequency 8

      color_map {

        [0.00 color rgb <1.0,0.4,0.2> ]

        [0.33 color rgb <0.2,0.4,1.0> ]

        [0.66 color rgb <0.4,1.0,0.2> ]

        [1.00 color rgb <1.0,0.4,0.2> ]

      }

    }

    finish{

      specular 0.6

    }

  }

}