#include "colors.inc"  
#include "golds.inc" 
#include "metals.inc" 
#include "woods.inc"  
#include "transforms.inc"  
#include "shapes.inc" 
#include "math.inc" 


camera {
  perspective
  location  <0, 0, -25>
  look_at   <0, 0,  0>
  right     x*image_width/image_height   
}    


light_source {
  <-5, 10, -20>      
  color rgb 1.0     
}   

light_source {
  <-5, 10, 20>      
  color rgb 1.0     
}
 
#declare I_Glass_Caustics2=
  interior {
    ior 1.5
    caustics 1.0
    fade_distance 1
    fade_power 1001
  }  

#declare F_Glass5 =
  finish {
    specular 0.7
    roughness 0.001
    ambient 0
    diffuse 0
    reflection {
      0.2, 1.0
      fresnel on
    }
    conserve_energy
  } 

#declare F_Glass3 =
finish  {
    ambient 0.1
    diffuse 0.1
    reflection 0.1
    specular 0.8
    roughness 0.003
    phong 1
    phong_size 400
} 
  
#declare T_Glass3 =
texture {
    pigment { color rgbf <0.98, 0.98, 0.98, 0.9> }
    finish { F_Glass3 }
} 

#declare I_Glass =
interior {
    ior 1.5
}

// An infinite planar surface
// plane {<A, B, C>, D } where: A*x + B*y + C*z = D
plane {
  z, // <X Y Z> unit surface normal, vector points "away from surface"
  20 // distance from the origin in the direction of the surface normal
  hollow on // has an inside pigment?   
  pigment {Red}
}
  
  
  

// rotate a 2-D outline of points around the Y axis to create a 3-D shape
lathe {
  linear_spline // linear_spline | quadratic_spline | cubic_spline
  10, // number of points
  <5, 7>, <3, 0>, <9, 5>, <1, 5>, <1, 10>, <4,7>, <1,8>, <3,1>, <5,3>, <3,5> // the list of <u,v> points 
  
  texture { T_Glass3 }
  interior {I_Glass}  
  // Move object or texture relative to current position
// example: translate -5.0*z
translate <0, -3, -1.0>  // <dX, dY, dZ> 
// rotate shape or texture around <0 0 0>, relative to current orientation
// example: rotate 30*x
rotate <90, 120, 100> // <dX, dY, dZ> (in degrees)


}