#version 3.7;

global_settings {
    assumed_gamma 1.3 max_trace_level 16
    radiosity {
        pretrace_start 0.08
        pretrace_end   0.01
        count 200
        nearest_count 10
        error_bound 0.5
        recursion_limit 2
        low_error_factor 0.5
        gray_threshold 0.0
    }
}

background { color rgb <0.92, 0.78, 0.68> }

camera {
  location <0, 3.25, -10.8>
  look_at  <0, 2.35, 0>
  angle 40
  up <0,9,0>
  right <16,0,0>  // right,up -> 16:9
}

light_source {
  <6, 10, -8>
  color rgb <1.00, 0.82, 0.65>*1.10
  area_light <3,0,0>, <0,0,3>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <-7, 7, -6>
  color rgb <1.00, 0.85, 0.70>*0.60
  area_light <2.5,0,0>, <0,0,2.5>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <0, 8, 6>
  color rgb <1.00, 0.88, 0.75>*0.30
  area_light <2,0,0>, <0,0,2>, 4, 4
  adaptive 1
  jitter
}

// --- Materials (simple shading, no textures) ---
#declare ClayPigment = pigment { color rgb <0.43, 0.38, 0.34> };
#declare ClayFinish  = finish  { diffuse 0.86 specular 0.10 roughness 0.08 };

// --- Ground + backdrop card (fast, simple) ---
plane {
  y, 0
  pigment { color rgb <0.70, 0.63, 0.58> }
  finish  { diffuse 0.9 specular 0.05 roughness 0.12 }
}

union {
  plane { z, 4.2 pigment { color rgb <0.92, 0.78, 0.68> } finish { diffuse 1 } }
  // slight “card” top to feel like a sweep
  plane { y, 0 pigment { color rgb <0.70, 0.63, 0.58> } finish { diffuse 0.9 specular 0.05 roughness 0.12 } }
}

// ------------------------------------------------------------------
// Prague Golem (blobby body + hard-edged held tablet; cutouts via CSG)
// ------------------------------------------------------------------

#declare GolemBody = blob {
  threshold 0.62

  // --- BODY MASS (big rounded, squat) ---
  // torso core
  sphere { <0, 2.25, 0>, 1.55, 1.15 }
  sphere { <0, 1.65, 0>, 1.40, 1.05 }
  sphere { <0, 3.00, 0>, 1.20, 0.95 }

  // shoulders (broad)
  sphere { <-1.55, 2.85, 0>, 1.30, 1.05 }
  sphere { < 1.55, 2.85, 0>, 1.30, 1.05 }
  sphere { <-1.85, 2.55, 0>, 1.10, 0.85 }
  sphere { < 1.85, 2.55, 0>, 1.10, 0.85 }

  // head (dome, continuous with shoulders)
  sphere { <0, 3.85, 0>, 1.15, 1.05 }
  sphere { <0, 4.30, 0>, 0.80, 0.90 }

  // arms (bulky and forward)
  cylinder { <-2.35, 2.55, -0.25>, <-1.05, 1.95, -0.45>, 0.78, 0.95 }
  cylinder { < 2.35, 2.55, -0.25>, < 1.05, 1.95, -0.45>, 0.78, 0.95 }
  sphere   { <-0.95, 1.90, -0.55>, 0.78, 0.95 }
  sphere   { < 0.95, 1.90, -0.55>, 0.78, 0.95 }

  // hands (simple blobs with finger hints)
  sphere { <-0.85, 1.60, -0.95>, 0.62, 0.95 }
  sphere { < 0.85, 1.60, -0.95>, 0.62, 0.95 }

  sphere { <-1.20, 1.55, -1.05>, 0.24, 0.55 }
  sphere { <-0.98, 1.43, -1.10>, 0.24, 0.55 }
  sphere { <-0.76, 1.52, -1.10>, 0.24, 0.55 }

  sphere { < 1.20, 1.55, -1.05>, 0.24, 0.55 }
  sphere { < 0.98, 1.43, -1.10>, 0.24, 0.55 }
  sphere { < 0.76, 1.52, -1.10>, 0.24, 0.55 }

  // legs (two stumpy columns)
  cylinder { <-0.65, 0.05, 0>, <-0.65, 1.25, 0>, 0.78, 1.05 }
  cylinder { < 0.65, 0.05, 0>, < 0.65, 1.25, 0>, 0.78, 1.05 }
  sphere   { <-0.65, 0.15, 0.15>, 0.82, 0.85 }
  sphere   { < 0.65, 0.15, 0.15>, 0.82, 0.85 }
  sphere   { <-0.65, 1.25, 0.05>, 0.75, 0.85 }
  sphere   { < 0.65, 1.25, 0.05>, 0.75, 0.85 }

  // subtle separation between legs (negative)
  cylinder { <0, 0.05, 0.30>, <0, 1.40, 0.30>, 0.20, -0.55 }

  // clamp bottom so it sits precisely on the ground plane
  clipped_by { plane { y, 0 } }
};

#declare Tablet = difference {
  // A simple held "book/tablet" assembly
  union {
    // left slab (open cover feel)
    box { <-0.35, 1.35, -1.25>, <0.10, 2.70, -0.70> }
    // right slab (front plate)
    box { < 0.10, 1.35, -1.10>, <0.70, 2.70, -0.55> }
    // bottom bar
    box { <-0.55, 1.25, -1.15>, <0.75, 1.55, -0.55> }
  }

  // carved "button" hole on the right plate
  cylinder { <0.55, 2.35, -0.45>, <0.55, 2.35, -0.80>, 0.10 }

  // slightly bevel outer edges (cheap: nibble corners)
  sphere { <-0.35, 2.70, -1.25>, 0.10 }
  sphere { < 0.70, 2.70, -1.10>, 0.10 }
  sphere { <-0.55, 1.25, -1.15>, 0.10 }
  sphere { < 0.75, 1.25, -1.15>, 0.10 }
};

#declare GolemCutouts = union {
  // forehead dot
  sphere { <0, 4.15, -0.60>, 0.20 }

  // triangular eye holes (approximated with cones)
  cone   { <-0.28, 3.72, -0.55>, 0.26, <-0.28, 3.48, -0.95>, 0.02 }
  cone   { < 0.28, 3.72, -0.55>, 0.26, < 0.28, 3.48, -0.95>, 0.02 }

  // mouth slit
  box { <-0.42, 3.18, -0.85>, <0.42, 3.30, -0.55> }

  // chest cavity (rectangular-ish)
  box { <-0.28, 2.00, -1.10>, <0.28, 3.05, -0.35> }
  // inner scoop so it doesn't look perfectly boxy
  sphere { <0.00, 2.50, -0.78>, 0.52 }

  // notch / bite at top of cavity (angled)
  prism {
    linear_sweep
    linear_spline
    -0.20, 0.20,
    4,
    <-0.35, 0.00>, <0.35, 0.00>, <0.05, 0.55>, <-0.25, 0.55>
    rotate <90,0,0>
    scale <1,1,1>
    translate <0.00, 2.85, -0.70>
  }
};

#declare Golem = union {
  // Body with carved features removed
  difference {
    object { GolemBody }
    object { GolemCutouts }
  }

  // Held tablet/book
  object { Tablet }

  pigment { ClayPigment }
  finish  { ClayFinish }
};

object {
  Golem
  scale 1.0
  translate <0, 0, 0>
}