// --------------------------------------------
//  It is possible to draw up to nine surfaces
//  in one picture, and every surface may have
//  different properties!
//  take care about the clipping, this 8 spheres 
//  and the cube don't need any clipping 
// --------------------------------------------

//  image size

width=550;
height=300;

//  fix surface color

surface3_red  =  0;
surface3_green=255;
surface3_blue =  0;

surface5_red  =255;
surface5_green=  0;
surface5_blue =  0;

surface6_red  = 50;
surface6_green=  0;
surface6_blue =255;
inside6_red   =  50;
inside6_green =   0;
inside6_blue  = 255;

surface7_red  =255;
surface7_green=  0;
surface7_blue =255;

surface8_red  =255;
surface8_green=255;
surface8_blue =  0;

surface9_red  = 50;
surface9_green=  0;
surface9_blue =255;
inside9_red   = 50;
inside9_green =  0;
inside9_blue  =255;

//  fix surface properties

transparence =0;
transparence2=0;
transparence3=0;
transparence4=0;
transparence5=0;
transparence6=50;
thickness6   =15;
transmitted6 =80;
transparence7=0;
transparence8=0;
transparence9=80;
thickness9   =15;
transmitted9=50;

diffuse2=60;
reflected2=45;

smoothness =120;
smoothness2=13;
smoothness4=2;
smoothness9=30;

//  fix light

illumination=ambient_light+
             diffuse_light+
             reflected_light+
             transmitted_light;

light1_vol=50;
light3_vol=60;

//  fix perspective

perspective=central;
antialiasing=4;

//  fix surfaces

surface =(x+14)^2+y^2+z^2-3;
surface2=(x+10)^2+y^2+z^2-3;
surface3=(x+7 )^2+y^2+z^2-3;
surface4=(x+4 )^2+y^2+z^2-3;
surface5= x^2+y^2+z^2-3;
surface6=(x-3.5)^2+y^2+z^2-10;
surface7=(x-6 )^2+y^2+z^2-4;
surface8=(x-10)^8+y^8+z^8-100;
surface9=(x-13)^2+y^2+z^2-8;

//  fix single rotation

surface8=rotate(surface8,2.0,xAxis);

//  draw it

clip=none;
clear_screen;
draw_surface;