#version 3.7;

global_settings { assumed_gamma 1.0 }

background { color rgb <0.06, 0.07, 0.09> }

camera {
  location <0, 2.6, -6.8>
  look_at  <0, 1.15, 0>
  angle 35
}

light_source { <-8, 10, -10> color rgb <1.0, 0.98, 0.92> }
light_source { < 6,  5, -3>  color rgb <0.35, 0.40, 0.55> }
light_source { < 0, 12,  2>  color rgb <0.25, 0.22, 0.18> }

#declare GoldMetal =
texture {
  pigment { color rgb <0.95, 0.78, 0.22> }
  finish {
    metallic
    reflection 0.20
    specular 0.55
    roughness 0.02
    diffuse 0.75
    ambient 0.0
  }
}

#declare BaseTex =
texture {
  pigment { color rgb <0.10, 0.11, 0.13> }
  finish { diffuse 0.9 specular 0.15 roughness 0.06 }
}

plane { y, 0 texture { BaseTex } }

#declare ArmLen = 1.20;
#declare ArmWid = 0.68;
#declare Thick  = 0.32;
#declare Bevel  = 0.17;

// Crusader's Cross: four equal arms with flared ends (simple silhouette) extruded in Z
#declare Cross2D =
union {
  // center block
  box { <-ArmWid/2, -ArmWid/2, -0.001>, < ArmWid/2,  ArmWid/2, 0.001> }

  // up
  box { <-ArmWid/2,  ArmWid/2, -0.001>, < ArmWid/2,  ArmWid/2 + ArmLen, 0.001> }
  box { <-0.52, ArmWid/2 + ArmLen - 0.55, -0.001>, <0.52, ArmWid/2 + ArmLen, 0.001> }

  // down
  box { <-ArmWid/2, -ArmWid/2 - ArmLen, -0.001>, < ArmWid/2, -ArmWid/2, 0.001> }
  box { <-0.52, -ArmWid/2 - ArmLen, -0.001>, <0.52, -ArmWid/2 - ArmLen + 0.55, 0.001> }

  // right
  box { < ArmWid/2, -ArmWid/2, -0.001>, < ArmWid/2 + ArmLen, ArmWid/2, 0.001> }
  box { < ArmWid/2 + ArmLen - 0.55, -0.52, -0.001>, <ArmWid/2 + ArmLen, 0.52, 0.001> }

  // left
  box { <-ArmWid/2 - ArmLen, -ArmWid/2, -0.001>, <-ArmWid/2, ArmWid/2, 0.001> }
  box { <-ArmWid/2 - ArmLen, -0.52, -0.001>, <-ArmWid/2 - ArmLen + 0.55, 0.52, 0.001> }
}

#declare Cross3D =
merge {
  object { Cross2D scale <1,1,Thick> }
  // small rounding cue at center (keeps render fast)
  sphere { <0,0,0>, Bevel scale <1,1,Thick> }
  texture { GoldMetal }
}

object {
  Cross3D
  translate <0, 1.15, 0>
  rotate <0, 18, 0>
}

// subtle contact shadow helper (darkened patch) for grounding
disc {
  <0, 0.001, 0>, y, 1.45
  texture {
    pigment { color rgbt <0,0,0,0.75> }
    finish { ambient 0 diffuse 0 }
  }
  rotate <0,18,0>
}