// Red Glass Heart - simple fast iteration scene

#version 3.7;

global_settings {
    assumed_gamma 1.3 max_trace_level 14
    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 <0.96, 0.97, 0.95> }

// Camera
camera {
  location  <0, 1.55, -3.814>
  look_at   <0, 0.713, 0>
  angle 35
  up <0,9,0>
  right <16,0,0>  // right,up -> 16:9
}

// Warm, soft lights (area lights)
light_source {
  <3.5, 5.5, -4.5>
  color rgb <1.0, 0.86, 0.70>
  //area_light <1.2, 0, 0>, <0, 0, 1.2>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <-3.8, 4.8, -3.0>
  color rgb <1.0, 0.90, 0.78>*0.6
  //area_light <1.0, 0, 0>, <0, 0, 1.0>, 4, 4
  adaptive 1
  jitter
}

// Soft fill from above/back
light_source {
  <0, 6.0, 2.5>
  color rgb <1.0, 0.92, 0.85>*0.35
}

// Materials (simple shading, no image textures)
#declare RedGlass =
material {
  texture {
    pigment { color rgbf <0.85, 0.08, 0.12, 0.75> } // red with transparency
    finish  { specular 0.55 roughness 0.02 reflection 0.06 }
  }
  interior {
    ior 1.32
    caustics 0.6
  }
}

#declare GroundMat =
texture {
  pigment { color rgb <0.93, 0.94, 0.96> }
  finish  { diffuse 0.9 specular 0.05 roughness 0.08 }
}

// Ground plane
plane {
  y, 0
  texture { GroundMat }
}

// Heart model: two spheres + tapered cone (aligned precisely)
#declare Heart =
union {
  // Left lobe
  sphere { <-0.29, 1.05, 0>, 0.30 }
  // Right lobe
  sphere { < 0.29, 1.05, 0>, 0.30 }

  // Bottom point (tapered cone), top radius matches lobe radius for clean merge
  cone {
    <0, 1.05, 0>, 0.61,
    <0, 0.00, 0>, 0.00
  }

  // Slight overall shaping: wider than tall a bit like a heart
  scale <1.05, 1.0, 0.85>

  material { RedGlass }
}

// Place heart so it sits on the ground plane
object {
  Heart
  translate <0, 0, 0>
}