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Rubik's Cube · gpt-5.6-luna-pro

Using the pre-provided three.min.js (global THREE), render an interactive 3D Rubik's Cube with clickable face rotations, orbit-drag camera, and a scramble button.

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user

Using the pre-provided three.min.js (global THREE), render an interactive 3D Rubik's Cube with clickable face rotations, orbit-drag camera, and a scramble button.

assistant
thinking
**Inspecting files for index creation**

I need to create an index, so I'll start by inspecting the files. This step is crucial to ensure I'm setting everything up correctly and that I have all the necessary information before proceeding. I'll take my time to carefully look through the files, check for any inconsistencies, and make sure I understand their structure. It's important to get this right for the best results!
bash {"command":"ls -la /tmp/ws && printf '\\nPI env:\\n' && env | grep '^PI_' || true"}
toolResult

total 592 drwxr-sr-x. 2 node node 26 Aug 1 17:56 . drwxrwsrwx. 3 root node 16 Aug 1 17:56 .. -rw-r--r--. 1 node node 603445 Aug 1 17:56 three.min.js PI env: PI_CODING_AGENT=true PI_REASONING_LEVEL=medium PI_SESSION_FILE=/home/node/.pi/agent/sessions/--tmp-ws--/2026-08-01T17-56-37-124Z_019fbe78-8484-76cc-a00d-55c6cbc29bac.jsonl PI_PROVIDER=openrouter PI_MODEL=openai/gpt-5.6-luna-pro PI_SESSION_ID=019fbe78-8484-76cc-a00d-55c6cbc29bac PI_TIMEOUT_MS=600000

assistant
thinking
**Planning 3D cube implementation**

I need to create an index and a polished visual representation. I’ll use three cubes with clickable faces that will respond to raycast face normals to identify cubies and rotate layers based on those normals. I want to design this with HTML, CSS, and JS, ensuring everything is in a single file without external dependencies. Each cubie will have a core with stickers slightly outward for visibility, and I'll implement rotation animations based on user interactions.**Designing sticker interactions**

I think it would be great to make each sticker's user data reflect the normal vector, ensuring face rotation feels intuitive. For the clicked face, the axis would be the dominant normal, and I’ll set corresponding layer coordinates. I need to visualize this clearly. I’ll add camera orbit controls, drag, and wheel functionality, plus buttons for scrambling and resetting cubes. Face colors will be set accordingly, with specific rotations for each face. Let's also handle sticker dimensions and their positioning accurately!**Finalizing cube orientation and dimensions**

I'm setting the front plane normal to +z, which will also be the default. It looks like I'll need to manage rotations for each direction: right at +x with y rotation of π/2, left at -π/2, up with an x rotation of -π/2, and down at +π/2. The cubie core dimensions will be 0.96 with a slight spacing of 1.03, and the sticker planes will be .84 in size. I'll also create labels and interactions, using the canvas renderer, ensuring responsiveness throughout the animations.**Considering interaction functionality**

I need to initiate an action on pointerup click, specifically if it meets a threshold raycast. I’m thinking about adding face buttons, which would mean actually making the cube faces clickable. It seems like an interaction hint would be useful here too. I should use CSS for styling. Let's get started on writing this out! It’s important to ensure everything is clear and easy to interact with.
write /tmp/ws/index.html (11808 bytes)
toolResult

Successfully wrote 11808 bytes to /tmp/ws/index.html

assistant
thinking
**Resolving orbit conflict issues**

I’m focusing on the orbit conflict during dragging. The pointerup click should check down after the drag. Okay, I realize that resetting resets the rotations, but does it affect the visual orientation of the stickers? When I reset the rotation, it seems to work, but I need to ensure the position coordinate is set from the current state. During the reset, if the queue isn’t busy, that feels good. I might need to adjust the click face based on the actual normal after movement.
edit {"path":"/tmp/ws/index.html","edits":[{"oldText":"const c=hit.object.parent, n=hit.object.userData.normal;const axis=Math.abs(n.x)>.5?'x':Ma
toolResult

Successfully replaced 1 block(s) in /tmp/ws/index.html.

assistant

Created `/tmp/ws/index.html` with: - Interactive 3D Rubik’s Cube using the provided `three.min.js` - Clickable colored stickers for face rotations - Orbit-drag camera controls - Scroll-to-zoom - Scramble and reset buttons - Responsive glassmorphism UI - No external resources or network requests

TAKE IT TO CODE

A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.

RUN

modelgpt-5.6-luna-pro
vendorOpenAI
harnesspi-agent
generated2026-08-01

EVALUATION

3/5 partial

Rubik's cube renders with click/drag/wheel orbit working, but camera zoom ends stuck too close, showing only blue face.

Vision grade · anthropic/claude-sonnet-5

MEASUREMENTS

Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.

idle motion0.2%
on click2.6%
on drag39.1%
on wheel47.8%
on enter + space1.1%
on arrow keys1.4%
on w/a/s/d1.8%
frame spread83.1 / 255
console errors0
js errors none

METRICS

runtime77.0s
tokens in23k
tokens out16k
cached36k
cost / run$0.0645