// Simple Noah's Ark - single file scene (corrected)

#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

background { color rgb <0.78, 0.88, 1.00> } // soft sky

camera {
  location <0, 6.5, -18>
  look_at  <0, 2.6, 0>
  angle 40
}

// Warm, soft lights (area lights)
light_source {
  <20, 25, -25>
  color rgb <1.00, 0.88, 0.75>*1.05
  area_light <6,0,0>, <0,0,6>, 6, 6
  adaptive 1
  jitter
}

light_source {
  <-18, 18, -10>
  color rgb <1.00, 0.90, 0.80>*0.55
  area_light <5,0,0>, <0,0,5>, 5, 5
  adaptive 1
  jitter
}

// Ground / ocean
plane {
  y, 0
  pigment { color rgb <0.16, 0.36, 0.55> }
  finish  { diffuse 0.9 specular 0.08 roughness 0.08 }
}

// ------------------------------------------------------------------
// Materials (simple shading, no image textures)
#declare WoodPig = pigment { color rgb <0.62, 0.43, 0.25> };
#declare WoodFin = finish  { diffuse 0.85 specular 0.08 roughness 0.10 };

#declare DeckPig = pigment { color rgb <0.68, 0.48, 0.28> };
#declare DeckFin = finish  { diffuse 0.85 specular 0.06 roughness 0.12 };

#declare CabinPig = pigment { color rgb <0.70, 0.55, 0.35> };
#declare CabinFin = finish  { diffuse 0.88 specular 0.06 roughness 0.12 };

#declare RoofPig  = pigment { color rgb <0.35, 0.20, 0.12> };
#declare RoofFin  = finish  { diffuse 0.9 specular 0.05 roughness 0.15 };

#declare WindowPig = pigment { color rgb <0.10, 0.10, 0.12> };
#declare WindowFin = finish  { diffuse 0.9 specular 0.02 roughness 0.20 };

// ------------------------------------------------------------------
// Ark dimensions
#declare L = 14.0;   // length
#declare W = 4.6;    // width
#declare H = 2.4;    // hull height above waterline

#declare BowX   =  L/2;
#declare SternX = -L/2;

#declare HullY0 = 0.45;          // hull bottom slightly above ocean
#declare HullY1 = HullY0 + H;

// Hull: central box clipped by a rounded cylinder to soften bottom,
// plus bow/stern end-caps as cylinders. All aligned precisely.
#declare Hull =
union {
  // Main body block with curved bottom
  intersection {
    box { <SternX, HullY0, -W/2>, <BowX, HullY1, W/2> }

    // Clip to a gentle curve (rounds bottom)
    cylinder {
      <0, HullY0-2.4, 0>, <1, HullY0-2.4, 0>, 3.2
      scale <L, 1, 1>
    }
  }

  // Bow cap
  cylinder { <BowX,   HullY0, 0>, <BowX,   HullY1, 0>, W/2 }

  // Stern cap
  cylinder { <SternX, HullY0, 0>, <SternX, HullY1, 0>, W/2 }

  // Slightly raised deck lip (simple rim)
  box {
    <SternX-0.05, HullY1-0.12, -W/2-0.08>,
    <BowX+0.05,   HullY1,       W/2+0.08>
  }

  pigment { WoodPig }
  finish  { WoodFin }
};

// Deck (FIXED: remove nested pigment block)
#declare Deck =
box {
  <SternX+0.2, HullY1,      -W/2+0.15>,
  <BowX-0.2,   HullY1+0.12,  W/2-0.15>
  pigment { DeckPig }
  finish  { DeckFin }
};

// Cabin (simple centered house)
#declare CabinW = 2.2;
#declare CabinL = 4.2;
#declare CabinH = 1.55;

#declare CabinBaseY = HullY1+0.12;

#declare Cabin =
union {
  box {
    <-CabinL/2, CabinBaseY,            -CabinW/2>,
    < CabinL/2, CabinBaseY + CabinH,    CabinW/2>
    pigment { CabinPig }
    finish  { CabinFin }
  }

  // Roof (simple gable using a prism)
  prism {
    linear_sweep
    linear_spline
    CabinBaseY + CabinH, CabinBaseY + CabinH + 0.75,
    5,
    <-CabinL/2-0.1, -CabinW/2-0.05>,
    <-CabinL/2-0.1,  CabinW/2+0.05>,
    < 0,             0>,
    < CabinL/2+0.1,   CabinW/2+0.05>,
    < CabinL/2+0.1,  -CabinW/2-0.05>
    rotate <0,90,0> // align prism's 2D profile across Z
    pigment { RoofPig }
    finish  { RoofFin }
  }
};

// Simple windows/door as dark rectangles
#declare CabinDetails =
union {
  // Front door (toward +X)
  box {
    < CabinL/2-0.05,  CabinBaseY,          -0.35>,
    < CabinL/2+0.001, CabinBaseY + 0.95,    0.35>
    pigment { WindowPig }
    finish  { WindowFin }
  }

  // Side windows (+Z side)
  box {
    < -0.6, CabinBaseY + 0.53,  CabinW/2-0.001>,
    <  0.6, CabinBaseY + 0.93,  CabinW/2+0.05>
    pigment { WindowPig }
    finish  { WindowFin }
  }

  // Side windows (-Z side)
  box {
    < -0.6, CabinBaseY + 0.53, -CabinW/2-0.05>,
    <  0.6, CabinBaseY + 0.93, -CabinW/2+0.001>
    pigment { WindowPig }
    finish  { WindowFin }
  }
};

// ------------------------------------------------------------------
// Assemble scene
union {
  object { Hull }
  object { Deck }
  object { Cabin }
  object { CabinDetails }

  // keep at intended "float" height
  translate <0, 0.0, 0>
}

// Subtle waterline helper (optional, fast)
sphere {
  <0, 0.02, 0>, 0.01
  pigment { color rgbt <1,1,1,1> }
  no_shadow
}