#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

background { color rgb <0.02, 0.03, 0.06> }

// -------------------- Camera --------------------
camera {
  location <6.5, 3.2, -9.5>
  look_at  <0.0, 0.7, 0.0>
  angle 38
}

// -------------------- Lights --------------------
light_source { <9, 11, -9> color rgb <1.05, 1.00, 0.95> }
light_source { <-11, 6.5, -1> color rgb <0.35, 0.50, 0.75> }
light_source { <0, 18, 6> color rgb <0.20, 0.20, 0.25> }

// subtle rim/back light
light_source { <-6, 4, 12> color rgb <0.18, 0.22, 0.30> }

// -------------------- Atmosphere --------------------
fog {
  distance 55
  color rgb <0.03, 0.05, 0.09>
  fog_type 2
  fog_offset 0.2
  fog_alt 2.0
  turbulence 0.2
}

// -------------------- Starfield --------------------
#declare StarField =
pigment {
  granite
  color_map {
    [0.00 color rgb <0,0,0>]
    [0.78 color rgb <0,0,0>]
    [0.90 color rgb <0.02,0.02,0.03>]
    [0.96 color rgb <0.65,0.70,0.85>]
    [1.00 color rgb <1.0,1.0,1.0>]
  }
  scale 0.35
}

sphere {
  <0,0,0>, 200
  hollow
  texture {
    pigment { StarField }
    finish { emission 0.9 diffuse 0 ambient 0 }
  }
}

// -------------------- Materials (textured) --------------------
// Panel lines for hull (procedural, fast)
#declare HullPanelMask =
pigment {
  crackle
  turbulence 0.15
  metric 1.8
  color_map {
    [0.00 color rgb <0.00,0.00,0.00>]
    [0.06 color rgb <0.00,0.00,0.00>]
    [0.08 color rgb <1.00,1.00,1.00>]
    [1.00 color rgb <1.00,1.00,1.00>]
  }
  scale <0.28, 0.14, 0.28>
}

#declare MicroNoise =
normal {
  bumps 0.25
  scale 0.03
}

#declare BrushedNormalX =
normal {
  average
  normal_map {
    [1.0 wrinkles 0.18 scale <0.02, 0.35, 0.02>]
    [1.0 bumps    0.10 scale 0.04]
  }
}

#declare MetalWhite_Textured =
texture {
  pigment {
    average
    pigment_map {
      [0.85 color rgb <0.88, 0.90, 0.93>]
      [0.15 bozo
        color_map {
          [0.0 color rgb <0.80, 0.82, 0.86>]
          [0.6 color rgb <0.88, 0.90, 0.93>]
          [1.0 color rgb <0.92, 0.93, 0.95>]
        }
        scale 0.65
      ]
    }
  }
  normal {
    average
    normal_map {
      [0.65 BrushedNormalX]
      [0.35 MicroNoise]
    }
  }
  finish {
    diffuse 0.45
    specular 0.65
    roughness 0.02
    metallic
    reflection 0.12
    conserve_energy
  }
}

#declare MetalDark_Textured =
texture {
  pigment {
    average
    pigment_map {
      [0.80 color rgb <0.12, 0.14, 0.16>]
      [0.20 bozo
        color_map {
          [0.0 color rgb <0.08, 0.09, 0.10>]
          [0.7 color rgb <0.13, 0.15, 0.17>]
          [1.0 color rgb <0.18, 0.19, 0.21>]
        }
        scale 0.55
      ]
    }
  }
  normal { MicroNoise }
  finish {
    diffuse 0.40
    specular 0.70
    roughness 0.025
    metallic
    reflection 0.20
    conserve_energy
  }
}

#declare AccentBlue_Textured =
texture {
  pigment {
    average
    pigment_map {
      [0.85 color rgb <0.10, 0.38, 0.78>]
      [0.15 bozo
        color_map {
          [0.0 color rgb <0.06, 0.22, 0.55>]
          [0.7 color rgb <0.12, 0.38, 0.78>]
          [1.0 color rgb <0.20, 0.50, 0.92>]
        }
        scale 0.7
      ]
    }
  }
  normal { bumps 0.15 scale 0.05 }
  finish {
    diffuse 0.55
    specular 0.55
    roughness 0.035
    reflection 0.06
    conserve_energy
  }
}

#declare HullPaint_WithPanels =
texture {
  pigment {
    average
    pigment_map {
      [0.86 color rgb <0.88, 0.90, 0.93>]
      [0.14 HullPanelMask color rgb <0.70, 0.72, 0.76>]
    }
  }
  normal {
    average
    normal_map {
      [0.70 BrushedNormalX]
      [0.30 bumps 0.20 scale 0.04]
    }
  }
  finish {
    diffuse 0.46
    specular 0.68
    roughness 0.02
    metallic
    reflection 0.13
    conserve_energy
  }
}

// simple decal stripe (procedural), applied as an extra thin layer using a second object
#declare StripePigment =
pigment {
  gradient x
  color_map {
    [0.00 color rgbt <0,0,0,1>]
    [0.44 color rgbt <0,0,0,1>]
    [0.46 color rgb  <0.08, 0.42, 0.86>]
    [0.54 color rgb  <0.08, 0.42, 0.86>]
    [0.56 color rgbt <0,0,0,1>]
    [1.00 color rgbt <0,0,0,1>]
  }
  scale 1.0
}

#declare DecalTexture =
texture {
  pigment { StripePigment }
  finish { diffuse 0.65 specular 0.25 roughness 0.05 reflection 0.02 }
}

#declare GlassCanopy =
texture {
  pigment { color rgbt <0.55, 0.82, 1.0, 0.78> }
  finish {
    diffuse 0.05
    specular 0.90
    roughness 0.008
    reflection 0.18
    conserve_energy
  }
}

#declare EngineGlow =
texture {
  pigment { color rgb <0.25, 0.80, 1.0> }
  finish { emission 1.35 diffuse 0 ambient 0 }
}

#declare EngineGlowCore =
texture {
  pigment { color rgb <0.80, 0.95, 1.0> }
  finish { emission 1.65 diffuse 0 ambient 0 }
}

// -------------------- Ship --------------------
#declare Ship =
union {
  // Main fuselage
  cylinder { <0, 0.55, -2.2>, <0, 0.55, 2.1>, 0.55 texture { HullPaint_WithPanels } }
  cone     { <0, 0.55, 2.1>, 0.55, <0, 0.55, 3.1>, 0.05 texture { HullPaint_WithPanels } } // nose
  cone     { <0, 0.55, -2.2>, 0.55, <0, 0.55, -3.0>, 0.20 texture { MetalDark_Textured } } // tail taper

  // Top spine / dorsal ridge
  box { <-0.14, 0.97, -1.8>, <0.14, 1.15, 1.6> texture { MetalDark_Textured } }

  // Cockpit canopy
  sphere {
    <0, 1.05, 1.55>, 0.45
    scale <1.25, 0.75, 1.05>
    texture { GlassCanopy }
    interior { ior 1.45 }
  }

  // Wing plate
  box { <-2.2, 0.46, -0.3>, <2.2, 0.54, 1.25> texture { MetalWhite_Textured } }

  // Wing edge accents
  box { <-2.2, 0.54, 0.95>, <2.2, 0.58, 1.10> texture { AccentBlue_Textured } }

  // Winglets (vertical fins)
  box { <-1.9, 0.54, -0.2>, <-1.65, 1.25, 0.55> texture { MetalDark_Textured } }
  box { < 1.65, 0.54, -0.2>, < 1.9, 1.25, 0.55> texture { MetalDark_Textured } }

  // Engine nacelles
  cylinder { <-1.55, 0.50, -1.25>, <-1.55, 0.50, 0.55>, 0.28 texture { MetalDark_Textured } }
  cylinder { < 1.55, 0.50, -1.25>, < 1.55, 0.50, 0.55>, 0.28 texture { MetalDark_Textured } }

  // Engine intakes (front rings)
  difference {
    cylinder { <-1.55, 0.50, 0.55>, <-1.55, 0.50, 0.75>, 0.30 texture { MetalWhite_Textured } }
    cylinder { <-1.55, 0.50, 0.54>, <-1.55, 0.50, 0.76>, 0.20 }
  }
  difference {
    cylinder { < 1.55, 0.50, 0.55>, < 1.55, 0.50, 0.75>, 0.30 texture { MetalWhite_Textured } }
    cylinder { < 1.55, 0.50, 0.54>, < 1.55, 0.50, 0.76>, 0.20 }
  }

  // Engine exhausts + glow (rear)
  difference {
    cylinder { <-1.55, 0.50, -1.55>, <-1.55, 0.50, -1.25>, 0.29 texture { MetalWhite_Textured } }
    cylinder { <-1.55, 0.50, -1.56>, <-1.55, 0.50, -1.24>, 0.17 }
  }
  difference {
    cylinder { < 1.55, 0.50, -1.55>, < 1.55, 0.50, -1.25>, 0.29 texture { MetalWhite_Textured } }
    cylinder { < 1.55, 0.50, -1.56>, < 1.55, 0.50, -1.24>, 0.17 }
  }

  cylinder { <-1.55, 0.50, -1.53>, <-1.55, 0.50, -1.35>, 0.16 texture { EngineGlow } }
  cylinder { < 1.55, 0.50, -1.53>, < 1.55, 0.50, -1.35>, 0.16 texture { EngineGlow } }

  // Glow core (nested, precisely centered)
  cylinder { <-1.55, 0.50, -1.50>, <-1.55, 0.50, -1.38>, 0.09 texture { EngineGlowCore } }
  cylinder { < 1.55, 0.50, -1.50>, < 1.55, 0.50, -1.38>, 0.09 texture { EngineGlowCore } }

  // Belly detail block (keel)
  box { <-0.18, 0.18, -1.2>, <0.18, 0.46, 0.5> texture { MetalDark_Textured } }

  // Small side accents on fuselage
  box { <-0.56, 0.63, -0.6>, <-0.50, 0.78, 0.9> texture { AccentBlue_Textured } }
  box { < 0.50, 0.63, -0.6>, < 0.56, 0.78, 0.9> texture { AccentBlue_Textured } }
}

// Decal stripe layer: a thin sleeve around fuselage (slightly larger radius)
// Kept fast: one cylinder + one cone, aligned exactly to the fuselage.
#declare StripeSleeve =
union {
  cylinder { <0, 0.55, -1.9>, <0, 0.55, 1.8>, 0.551 texture { DecalTexture } }
  cone     { <0, 0.55, 1.8>, 0.551, <0, 0.55, 2.55>, 0.22 texture { DecalTexture } }
  // position stripe to the ship's right side by rotating texture space
  texture { DecalTexture rotate <0,0,90> translate <0.0,0,0> }
}

union {
  object { Ship }
  object {
    StripeSleeve
    // Move stripe to sit off-center (like a manufactured livery band)
    rotate <0, 0, 0>
    translate <0.20, 0.00, 0.05>
  }

  rotate <0, -15, 0>
  translate <0, 0, 0>
}