#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

background { color rgb <0.70, 0.82, 0.95> }

#declare WaterLevel = 0.0;

// ---------- Camera (fixed to clearly see the whole scene) ----------
camera {
  location  <0, 6.0, -28>
  look_at   <0, 2.2, 18>
  angle 52
}

// ---------- Lights ----------
light_source {
  <250, 160, -220>
  color rgb <1.00, 0.96, 0.88>
  parallel
  point_at <0, 2.0, 30>
}

light_source {
  <-90, 80, -80>
  color rgb <0.42, 0.54, 0.75>
  parallel
  point_at <0, 3.0, 40>
}

// Soft fill (kept dim for calm mood)
light_source {
  <0, 60, -10>
  color rgb <0.25, 0.30, 0.35>*0.35
}

// ---------- Atmosphere ----------
fog {
  fog_type 2
  distance 140
  color rgb <0.78, 0.86, 0.93>
  fog_alt 2.0
  fog_offset 0.0
}

// ---------- Sky gradient dome ----------
sphere {
  <0,0,0>, 1000
  hollow
  texture {
    pigment {
      gradient y
      color_map {
        [0.00 color rgb <0.60, 0.76, 0.92>]
        [0.35 color rgb <0.72, 0.86, 0.97>]
        [1.00 color rgb <0.92, 0.96, 1.00>]
      }
      scale 2
      translate <0,-0.2,0>
    }
    finish { diffuse 0 ambient 1 }
  }
  no_shadow
}

// ---------- Water (calm lake) ----------
plane {
  y, WaterLevel
  texture {
    pigment { color rgbf <0.16, 0.34, 0.40, 0.28> }
    normal {
      bumps 0.10
      scale 2.0
    }
    finish  {
      diffuse 0.10
      specular 0.35
      roughness 0.02
      reflection {
        0.04, 0.20
        fresnel on
      }
      conserve_energy
    }
  }
}

// Lakebed (slightly deeper, visible near camera)
plane {
  y, WaterLevel-0.9
  texture {
    pigment {
      bozo
      color_map {
        [0.0 color rgb <0.20, 0.18, 0.13>]
        [0.6 color rgb <0.30, 0.28, 0.22>]
        [1.0 color rgb <0.22, 0.20, 0.15>]
      }
      scale 3.5
      translate <1,0,-2>
    }
    finish  { diffuse 0.95 }
  }
}

// ---------- Shore / terrain (built to meet water at y=0) ----------
#declare GroundTex = texture {
  pigment {
    bozo
    color_map {
      [0.00 color rgb <0.16, 0.22, 0.14>]
      [0.55 color rgb <0.20, 0.28, 0.17>]
      [1.00 color rgb <0.26, 0.32, 0.20>]
    }
    scale 6
  }
  finish { diffuse 0.95 }
};

// Left shore mound
difference {
  sphere { <-11, 2.4, 4>, 8.2 }
  plane { y, WaterLevel }
  texture { GroundTex }
}

// Right shore mound
difference {
  sphere { <12, 2.2, 7>, 9.0 }
  plane { y, WaterLevel }
  texture { GroundTex }
}

// Foreground bank (frames the view)
difference {
  sphere { <0, 1.4, -6>, 7.0 }
  plane { y, WaterLevel }
  texture { GroundTex }
}

// Subtle near shoreline ridge to avoid flatness at horizon
difference {
  sphere { <0, 3.2, 24>, 26.0 }
  plane { y, WaterLevel }
  texture { GroundTex }
}

// ---------- Mountains (layered, with gentle noise + snow caps) ----------
#declare MtnBase1 = texture {
  pigment {
    bozo
    color_map {
      [0.0 color rgb <0.14, 0.18, 0.20>]
      [0.6 color rgb <0.18, 0.22, 0.25>]
      [1.0 color rgb <0.12, 0.16, 0.18>]
    }
    scale 9
  }
  finish { diffuse 0.9 }
};

#declare MtnBase2 = texture {
  pigment {
    bozo
    color_map {
      [0.0 color rgb <0.22, 0.26, 0.29>]
      [0.7 color rgb <0.28, 0.32, 0.35>]
      [1.0 color rgb <0.20, 0.24, 0.27>]
    }
    scale 7
  }
  finish { diffuse 0.9 }
};

#declare SnowTex = texture {
  pigment { color rgb <0.92, 0.94, 0.98> }
  finish  { diffuse 0.85 specular 0.15 roughness 0.05 }
};

// Far ridge (dark)
union {
  cone { <-55, WaterLevel, 70>, 0, <-20, 20, 70>, 38 }
  cone { <-18, WaterLevel, 70>, 0, < 10, 24, 70>, 42 }
  cone { < 22, WaterLevel, 70>, 0, < 52, 19, 70>, 34 }
  bounded_by { box { <-90, WaterLevel, 64>, <90, 35, 76> } }
  texture { MtnBase1 }
}

// Snow caps (far ridge)
union {
  cone { <-20, 20.2, 69.7>, 10.0, <-20, 28.5, 69.7>, 0.0 }
  cone { < 10, 24.0, 69.7>, 11.0, < 10, 33.0, 69.7>, 0.0 }
  cone { < 52, 18.6, 69.7>, 8.5,  < 52, 26.0, 69.7>, 0.0 }
  texture { SnowTex }
}

// Mid ridge (closer, lighter)
union {
  cone { <-45, WaterLevel, 48>, 0, <-22, 13, 48>, 22 }
  cone { <-18, WaterLevel, 48>, 0, < -2, 14.5, 48>, 25 }
  cone { <  6, WaterLevel, 48>, 0, < 20, 16, 48>, 24 }
  cone { < 26, WaterLevel, 48>, 0, < 42, 12.5, 48>, 20 }
  bounded_by { box { <-80, WaterLevel, 44>, <80, 22, 52> } }
  texture { MtnBase2 }
}

// Snow caps (mid ridge)
union {
  cone { <-22, 12.8, 47.7>, 6.5, <-22, 18.0, 47.7>, 0.0 }
  cone { < -2, 14.3, 47.7>, 7.0, < -2, 20.0, 47.7>, 0.0 }
  cone { < 20, 15.8, 47.7>, 7.0, < 20, 22.0, 47.7>, 0.0 }
  texture { SnowTex }
}

// ---------- Low mist layer (kept local so it doesn't blank the frame) ----------
box {
  <-70, WaterLevel+0.02, -10>, <70, WaterLevel+2.4, 80>
  hollow
  pigment { color rgbf <1,1,1, 0.97> }
  finish { diffuse 0 ambient 0 }
  interior {
    media {
      scattering { 1, rgb <0.75, 0.85, 0.95>*0.22 }
      density {
        gradient y
        color_map {
          [0.00 color rgb 0.30]
          [0.45 color rgb 0.12]
          [1.00 color rgb 0.00]
        }
        scale 2.4
      }
    }
  }
  no_shadow
}

// ---------- Distant trees for scale ----------
#declare Tree = union {
  cylinder { <0,0,0>, <0,1.1,0>, 0.08 texture { pigment { color rgb <0.20,0.13,0.08> } finish{diffuse 0.9} } }
  cone { <0,1.1,0>, 0.75, <0,2.9,0>, 0.0 texture { pigment { color rgb <0.09,0.16,0.10> } finish{diffuse 0.9} } }
};

#declare i = 0;
#while (i < 24)
  object {
    Tree
    scale (0.85 + 0.25*mod(i,4))
    rotate <0, 15*i, 0>
    translate < -24 + 2.2*i, 0, 26 + 1.6*mod(i,5) >
  }
  #declare i = i + 1;
#end