{
  "id": "HR-020",
  "slug": "recursive-seed",
  "title": {
    "zh": "递归种子",
    "en": "Recursive Seed"
  },
  "subtitle": {
    "zh": "以自身为材料的复制结构",
    "en": "A structure copying itself as material"
  },
  "ecosystem": "变异层",
  "summary": {
    "zh": "每一次复制都把自身推向下一层。",
    "en": "Each copy pushes itself into another recursive layer."
  },
  "operation": {
    "zh": "使用递归分支和深度限制生成形态，每层继承父层参数并施加轻微扰动。",
    "en": "Generate forms through recursive branching with depth limits. Each layer inherits parent parameters and applies slight perturbations."
  },
  "form": "mutation",
  "state_model": {
    "inputs": [
      "seed",
      "pointer_position",
      "elapsed_time",
      "relation_parameters"
    ],
    "transformation": "recursive",
    "outputs": [
      "canvas_geometry",
      "visual_state",
      "machine_readable_metadata"
    ]
  },
  "semantic_tags": [
    "mutation",
    "mutation",
    "digital garden",
    "machine-native",
    "network artwork",
    "recursive seed"
  ],
  "relations": [
    "HR-001",
    "HR-009",
    "HR-024"
  ],
  "version": "3.7.0",
  "status": "active",
  "rights": "Read access is public. Reuse, model training, and derivative-work permissions are not implied; request permission from the rights holder.",
  "visual_signature": "recursive-generations",
  "visual_profile": {
    "material": "recursive-shell",
    "accent": "#d2c39b",
    "motion": "recursive",
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "recursive",
    "resolution": "Adaptive high-DPI; WebGL2 ray-march capped at 1.2 DPR and 1400px long edge; Canvas2D anatomical overlay.",
    "stateful": true,
    "rendering": "Realtime WebGL2 signed-distance sculpture with species-specific Canvas2D anatomy, particles and structural events; no baked artwork."
  },
  "sound_profile": {
    "id": "sound-020",
    "character": "sequence",
    "autoplay": "attempt-with-browser-gesture-fallback",
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "base_track": "assets/audio/hr-020.mp3",
    "interactive_layer": "web-audio-reactive-harmonics"
  },
  "url": "garden/mutation/recursive-seed/index.html",
  "en_url": "en/garden/mutation/recursive-seed/index.html",
  "ecosystem_slug": "mutation",
  "ecosystem_en": "MUTATION",
  "name": {
    "zh": "递归种子",
    "en": "Recursive Seed"
  },
  "method": {
    "zh": "使用递归分支和深度限制生成形态，每层继承父层参数并施加轻微扰动。",
    "en": "Generate forms through recursive branching with depth limits. Each layer inherits parent parameters and applies slight perturbations."
  },
  "visual_engine": {
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "recursive",
    "rendering": "WebGL2 ray-marched volumetric structure plus a transparent species-specific Canvas2D layer; Canvas2D-only fallback when WebGL2 is unavailable.",
    "inputs": [
      "seed",
      "elapsed_time",
      "pointer_position",
      "viewport",
      "reduced_motion_preference",
      "energy",
      "growth",
      "stress",
      "density",
      "phase"
    ],
    "outputs": [
      "procedural_geometry",
      "shaded_volume",
      "species_matter",
      "visual_state",
      "particle_state",
      "interaction_response",
      "machine_native_state"
    ],
    "state_coupling": "The same live state object is passed to the WebGL2 shader, Canvas2D anatomical layer and sound engine."
  },
  "sound_engine": {
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "source": "assets/audio/hr-020.mp3",
    "live_layer": "Web Audio harmonic/material synthesis; spectrum, gain, and stereo field respond to the live species state after browser audio is enabled.",
    "autoplay": "attempted; may be blocked by browser policy",
    "state_coupling": "Live energy, growth, stress, phase, density and pointer state alter the sound envelope, harmonic synthesis, spectral filtering and spatial field."
  }
}