#include "colors.inc"  #include "math.inc"  #include "rand.inc"    //#include "truncated_octahedron.povi"  #declare A=sqrt(3);  #declare truncoct =  intersection {    box { < -2,-2,-2>, <2,2,2> }    plane { < 1, 1, 1>, A }    plane { < 1, 1,-1>, A }    plane { < 1,-1, 1>, A }    plane { < 1,-1,-1>, A }    plane { <-1, 1, 1>, A }    plane { <-1, 1,-1>, A }    plane { <-1,-1, 1>, A }    plane { <-1,-1,-1>, A }    }  //end of inclusion "truncated_octahedron.povi"    global_settings{ ambient_light White }  background { color White }    #declare LX = 60;  #declare LZ = 100;  light_source { <LX,-LX,LZ> color White}  light_source { <-LX,LX,LZ> color White}  light_source { <LX,LX,LZ> color White}  light_source { <-LX,-LX,LZ> color White}    #declare extent = 3 ;  #declare i = -extent;  #while ( i <= extent )    #declare j = -extent;    #while ( j <= extent )    #declare k = -extent;      #while ( k <= extent )        #if ( even(i+j) & even(i+k) & ( i+j+2*k<3*extent ) & Prob(0.95, RdmD))          #declare RCOLOUR = rgb < Rand_Normal( 0.6, 0.2, RdmA ) ,                Rand_Normal( 0.4, 0.2, RdmB ) ,                Rand_Normal( 0.6, 0.2, RdmC ) > ;           #declare COLANG = rand(RdmA)*2*3.14159;          object { truncoct            scale 0.48            translate < i, j, k >            texture {              pigment { color RCOLOUR }              finish { ambient 0.3 diffuse 0.3 phong Rand_Normal( 0.5, 0.2, RdmC ) }              }            }        #end // if        #declare k = k+1;      #end // while k      #declare j = j+1;    #end // while j    #declare i = i+1;  #end // while i    camera {    location 28*y    direction -y    right 0.4*x    up 0.4*z    rotate 20*x    rotate -30*z    translate -0.5*z    }