#version 3.5;

#include "colors.inc"

global_settings {
  assumed_gamma 1.0
}                  


#declare cam_loc=<0.0, 0.5, -8.0>;
#declare cam_target=<0.0, 0.0,  0.0>;
#declare cam_dir=cam_target-cam_loc;




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

camera {
  location  cam_loc
  direction 1.5*z
  right     x*image_width/image_height
  look_at   cam_target
}

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> }
}



#macro
cartoon_texture(edge,edge_color,base_color,light_hardness,light_ambience,obj_center)

  texture {
    pigment {
      slope obj_center-cam_loc
      color_map {
        [0.00 color rgb base_color ]
        [0.5-edge-0.01 color rgb base_color ]       
        [0.5-edge color rgb edge_color ]       
        [0.5+edge color rgb edge_color ]
        [0.5+edge+0.01 color rgb base_color ]
        [1.00 color rgb base_color ]
      }
    }
    finish{
      specular 0 ambient light_ambience diffuse 1 brilliance 1-light_hardness
    }
  }


#end


sphere {
  0.0, 1
  cartoon_texture(0.12,<0,0,0>,<1,0.5,0>,0.8,0.2,<0,0,0>)
  
  
}


blob {
  threshold .65
  sphere { <.5,0,0>, .8, 1 }
  sphere { <-.5,0,0>,.8, 1 }
  sphere { <0,0.5,-0.5>,.8, 1 }
  sphere { <0,-0.5,-0.5>,.8, 1 }

  
  rotate y*30
  translate  -2*z//use translate, rotate etc before applying texture!!!!
  translate  -x


  cartoon_texture(0.12,<0,0,0>,<1,0.5,1>,0.8,0.2,<-1,0,-2>) // we put there
transformed center!!

  
 
}

// as you can see.... the sharp objects render not properly.... just
// because the tangent of the surface is constant... got no idea how to cope with it
box { <2,-1,-3>,<4,1,-1>

  cartoon_texture(0.146,<0,0,0>,<0.5,1,0.5>,0.8,0.2,(<2,-1,-3>+<4,1,-1>)/2) 
}

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