{
  "assertions": [
    "motion(idle)",
    "uses(webgl)"
  ],
  "attempts": 1,
  "attribution": "\u201ctake the viewer inside a combustion engine demonstrating pistons and\u2026\u201d \u2014 sketchgen entry 669, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/669/ Licensed CC BY 4.0.",
  "brief": "The canvas presents a dynamic, cross-sectional view of a combustion engine's core mechanisms. Viewers observe multiple pistons moving rhythmically within their cylinders. The cycle is continuous: colored fluids visibly flow into and out of the chambers through actuated intake and exhaust valves, timed with the movement of the connecting rods. The movement culminates in a simulated spark explosion, which pushes the pistons downward, transferring kinetic energy through connecting rods to turn the visible transaxle and connected gears.",
  "completion_tokens": 1278,
  "created_utc": "2026-09-17T13:06:16Z",
  "entry_id": 669,
  "executor": "qwen3-coder:30b-a3b-q4_K_M",
  "executor_prompt_version": "executor-v2",
  "gate": [
    {
      "assertions": {
        "motion(idle)": true,
        "uses(webgl)": true
      },
      "attempt": 1,
      "checks": {
        "audio_context_running": null,
        "console_clean": true,
        "frame_advancing": true,
        "frame_budget": true,
        "is_looping": true,
        "sound_lib_ok": null
      },
      "completion_tokens": 1278,
      "evidence": null,
      "exit": 0,
      "ghost": null,
      "given": null,
      "model": "qwen3-coder:30b-a3b-q4_K_M",
      "ms_per_frame": 20.3,
      "num_ctx": null,
      "preload_s": null,
      "prompt_tokens": 1546,
      "resources_loaded": [],
      "rules_file": "control",
      "source": "attempt-1",
      "total_s": 5.609,
      "wall_s": 108.456
    }
  ],
  "ghost": {
    "by": "default",
    "events": 40,
    "script": "wander"
  },
  "job_id": 670,
  "last_error": null,
  "licence": "CC BY 4.0",
  "lineage": {
    "children": [
      727
    ],
    "critique": "the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods.",
    "critique_by": "gemma4:e4b",
    "generation": 4,
    "inherits_source": false,
    "parent_entry_id": 582,
    "root_entry_id": 422
  },
  "loads": [],
  "note": null,
  "off_node": [],
  "planner": "gemma4:e4b",
  "planner_prompt_version": "planner-v1",
  "process": null,
  "prompt": "take the viewer inside a combustion engine demonstrating pistons and gearing\n\nRevise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear\n\nRevise: the same cross-section of a combustion engine's core mechanisms, and this time the connection between the pistons and the rods is more visible\n\nRevise: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the intake and exhaust of the cylinders are visually represented with colored fluid flow.\n\nRevise: the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods.",
  "prompt_tokens": 1546,
  "publish_commit": "fce44980fba5dd4dafd656ed85ddbf9179c92c05",
  "published_utc": "2026-09-17T13:44:53Z",
  "rules_file": "control",
  "seed": 1,
  "shape": "VM.Standard.A1.Flex 16/94",
  "source": {
    "attempts": [
      "attempt-1"
    ],
    "entry": "https://profcarroll.github.io/sketchgen-gallery/e/669/",
    "index_html": "sketch/index.html",
    "repository": "https://github.com/profcarroll/sketchgen-gallery/tree/main/e/669",
    "sketch_js": "sketch/sketch.js"
  },
  "state": "published",
  "statement": "This sketch visualizes a dynamic combustion engine with four pistons moving rhythmically within their cylinders. The pistons oscillate vertically while fluid flows in and out through actuated intake valves timed with connecting rods. A spark explosion effect is simulated as pistons reach their peak, pushing the system downward and transferring kinetic energy to a visible transaxle and connected gears that rotate in response. The scene uses WebGL rendering for 3D depth and motion, with each component moving independently to create an immersive mechanical simulation.",
  "submitted_by": "profcarroll",
  "wall_s": 108.456
}