#version unofficial 3.8; // yuqk
#if (file_exists("version.inc"))
    #include "version.inc"
#end
#if (!defined(Fork_yuqk))
    #error "This POV-Ray SDL code requires the yuqk fork."
#end
global_settings { assumed_gamma 1 }
#declare Grey50 = srgb <0.5,0.5,0.5>;
background { Grey50 }
#declare Camera00 = camera {
    perspective
    location <3,3,-3.001>*0.60
    sky y
    angle 35
    right x*(image_width/image_height)
    look_at <0,0,0>
}
#declare VarOrthoMult =
    2.0/max(image_width/image_height,image_height/image_width);
#declare Camera01z = camera {
    orthographic
    location <0,0,-2>
    direction z
    right VarOrthoMult*x*max(1,image_width/image_height)
    up VarOrthoMult*y*max(1,image_height/image_width)
}
#declare Camera01y = camera {
    orthographic
    location <0,2,0>
    direction -y
    right VarOrthoMult*x*max(1,image_width/image_height)
    up VarOrthoMult*z*max(1,image_height/image_width)
}
#declare Camera01x = camera {
    orthographic
    location <2,0,0>
    direction -x
    right VarOrthoMult*z*max(1,image_width/image_height)
    up VarOrthoMult*y*max(1,image_height/image_width)
}
#declare White = srgb <1,1,1>;
#declare Light00 = light_source { <150,150,-250>, White }
#declare Red = srgb <1,0,0>;
#declare CylinderX = cylinder { -1*x, 1*x, 0.01 pigment { Red } }
#declare Green = srgb <0,1,0>;
#declare CylinderY = cylinder { -1*y, 1*y, 0.01 pigment { Green } }
#declare Blue = srgb <0,0,1>;
#declare CylinderZ = cylinder { -1*z, 1*z, 0.01 pigment { Blue } }

//--- scene ---
    camera { Camera00 }
    light_source { Light00 }
//  camera { Camera01x }
//  camera { Camera01y }
  //camera { Camera01z }
    object { CylinderX }
    object { CylinderY }
    object { CylinderZ }

#declare Icterine = srgb <0.98824,0.96863,0.36863>;
#declare IlluminatingEmerald = srgb <0.19216,0.56863,0.46667>;
#declare OO = object {
    sphere { 0, 0.5
        texture          {
            pigment {Icterine}
            normal { micro 0.2 }
        }
        interior_texture {
            pigment {IlluminatingEmerald}
            normal { micro 0.2 }
        }
    }
    clipped_by {
        mode 0
        sphere { <-0.3,+0.1,-0.0>, 0.67 }
        sphere { <+0.3,+0.0,+0.1>, 0.67 }
    }
    bounded_by { mode 0 clipped_by }
}
#declare HeatWave = srgb <1,0.47843,0>;
#declare HippieBlue = srgb <0.3451,0.60392,0.68627>;
#declare OOO = object {
    sphere { 0, 0.5
        texture          {
            pigment {HippieBlue}
            normal { micro 0.2 }
        }
        interior_texture {
            pigment {HeatWave}
            normal { micro 0.2 }
        }
    }
    clipped_by {
        mode 1
        sphere { <-0.3,+0.1,-0.0>, 0.67 }
        sphere { <+0.3,+0.0,+0.1>, 0.67 }
    }
    bounded_by { mode 0 clipped_by }
}

#if (frame_number=1)
    union {
        object { OO }
        object { OOO }
    }
#end
#if (frame_number=2)
    merge {
        object { OO }
        object { OOO }
    }
#end
#if (frame_number=3)
    intersection {
        object { OO }
        object { OOO }
    }
#end
#if (frame_number=4)
    difference {
        object { OO }
        object { OOO }
    }
#end
#if (frame_number=5)
    union {
        object { OO scale 1.02 }
        object { OOO }
    }
#end
#if (frame_number=6)
    merge {
        object { OO scale 1.02 }
        object { OOO }
    }
#end
#if (frame_number=7)
    intersection {
        object { OO scale 1.02 }
        object { OOO }
    }
#end
#if (frame_number=8)
    difference {
        object { OO scale 1.02 }
        object { OOO }
    }
#end