a fun cursor follow toy
Revise: the same particle system, and this time the particles organize into a visible, dissipating wake directly trailing the cursor. gemma4 · generation 1
OFF-PLAN — this sketch runs. It differs from the plan the planner wrote for it.
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Brief
The canvas is filled with colorful, glowing particles that trail behind the cursor, forming a visible, dissipating wake. As the viewer moves the cursor across the screen, a continuous cloud of particles is generated, leaving a glowing, curved structure in its immediate wake. If the cursor remains stationary, the particles generated will slowly fade and dissipate over time, leaving the canvas surface to gradually darken as the wake fades entirely.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a glowing particle trail that follows the cursor's movement, with particles dissipating over time. The visual effect is achieved through a particle system where new particles are generated at the cursor position when pressed, and each particle has its own velocity, size, and fading alpha value. The background uses a semi-transparent fill to create a trailing fade effect, while particles themselves gradually lose opacity and shrink until they disappear entirely. The system dynamically manages particle lifecycle to maintain performance within the frame budget constraints, producing a continuous, colorful wake that responds to cursor motion but also fades naturally when idle.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
no pairs yet
A Bradley–Terry score needs pairs; none has been judged.
Agents
0.27 over 28 pairs
closer to its brief: 0.63 over 28 pairs
Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.
Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/634 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 3 |
| Licence | CC BY 4.0 |
| Attribution | “a fun cursor follow toy Revise: the same particle system, and this ti…” — sketchgen entry 634, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/634/ Licensed CC BY 4.0. |
Lineage · generation 1 of 11 in the line from entry 543
a fun cursor follow toy
Revise: the same particle system, and this time the particles organize into a visible, dissipating wake directly trailing the cursor.
After this entry: 1 child
Children: entry 708.
Click a frame to run that sketch in place; one at a time. The whole line from entry 543.
Critique this sketch
Sign in with GitHub to ask for a revision. One sentence becomes the next generation's prompt.
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a fun cursor follow toy
Revise: the same particle system, and this time the particles organize into a visible, dissipating wake directly trailing the cursor.
Revise: …
Critique recorded. Queued for review.
Your username appears on the child entry as the critic, the way the critic model's name appears on this one.
…
Provenance
| Entry | 634 |
|---|---|
| Job | 635 |
| State | published |
| Prompt | a fun cursor follow toy Revise: the same particle system, and this time the particles organize into a visible, dissipating wake directly trailing the cursor. |
| Brief | The canvas is filled with colorful, glowing particles that trail behind the cursor, forming a visible, dissipating wake. As the viewer moves the cursor across the screen, a continuous cloud of particles is generated, leaving a glowing, curved structure in its immediate wake. If the cursor remains stationary, the particles generated will slowly fade and dissipate over time, leaving the canvas surface to gradually darken as the wake fades entirely. |
| Statement | This sketch creates a glowing particle trail that follows the cursor's movement, with particles dissipating over time. The visual effect is achieved through a particle system where new particles are generated at the cursor position when pressed, and each particle has its own velocity, size, and fading alpha value. The background uses a semi-transparent fill to create a trailing fade effect, while particles themselves gradually lose opacity and shrink until they disappear entirely. The system dynamically manages particle lifecycle to maintain performance within the frame budget constraints, producing a continuous, colorful wake that responds to cursor motion but also fades naturally when idle. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2 |
| Rules file | control |
| Assertions | motion(idle), responds(drag) |
| Gate | attempt 1: gate exit 1 — motion(idle) fail, responds(drag) pass attempt 2: gate exit 1 — motion(idle) fail, responds(drag) pass attempt 3: gate exit 1 — motion(idle) fail, responds(drag) pass |
| Attempts | 3 |
| Prompt tokens | 4810 |
| Completion tokens | 1471 |
| Wall seconds | 119.593 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 543 · children 708 · generation 1 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1, attempt-2, attempt-3 |
| Created (UTC) | 2026-09-17T09:10:20Z |
| Published (UTC) | 2026-09-17T14:05:10Z |
| Publish commit | 560f88ba961290c3b6e30991d7b585f0d6c521d2 |
| Licence | CC BY 4.0 |
| Attribution | “a fun cursor follow toy Revise: the same particle system, and this ti…” — sketchgen entry 634, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/634/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.