Lorenz attractor · qwen3.6-35b-a3b
Output generated Cost / run $0.0036 Runtime 77.4s
Prompt for this run
Build a 3D Lorenz-attractor visualization using the provided Three.js library. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. Use the provided `three.min.js` (global `THREE`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Integrate the Lorenz system with sigma = 10, rho = 28, beta = 8/3, and initial state (0.1, 0, 0). Use a stable numerical time step. - Draw a luminous-looking, colored trajectory progressively as the system evolves, revealing its two-lobed butterfly shape. Keep trajectory storage bounded; actual bloom postprocessing is optional. - Frame the full attractor initially. Dragging orbits the camera around it, and the mouse wheel changes camera distance without entering the geometry. - Provide Pause/Resume and Reset. Pause freezes trajectory growth while camera controls remain usable; Reset clears the trail and restores the initial simulation state. - Only the core global THREE library is provided. Implement camera interaction without importing unavailable addons. Verify: Sample trajectory growth, orbit the camera, and check that the existing trail remains connected and visible from the new angle. Pause growth while moving the camera, then reset and check that the trail starts again from the initial state.
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
METRICS
Transcript · 9 messages
Build a 3D Lorenz-attractor visualization using the provided Three.js library. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. Use the provided `three.min.js` (global `THREE`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Integrate the Lorenz system with sigma = 10, rho = 28, beta = 8/3, and initial state (0.1, 0, 0). Use a stable numerical time step. - Draw a luminous-looking, colored trajectory progressively as the system evolves, revealing its two-lobed butterfly shape. Keep trajectory storage bounded; actual bloom postprocessing is optional. - Frame the full attractor initially. Dragging orbits the camera around it, and the mouse wheel changes camera distance without entering the geometry. - Provide Pause/Resume and Reset. Pause freezes trajectory growth while camera controls remain usable; Reset clears the trail and restores the initial simulation state. - Only the core global THREE library is provided. Implement camera interaction without importing unavailable addons. Verify: Sample trajectory growth, orbit the camera, and check that the existing trail remains connected and visible from the new angle. Pause growth while moving the camera, then reset and check that the trail starts again from the initial state.
thinking
The user wants me to build a 3D Lorenz attractor visualization using Three.js. Let me break down the requirements: 1. Lorenz system with sigma=10, rho=28, beta=8/3, initial state (0.1, 0, 0) 2. Luminous-looking, colored trajectory that builds progressively 3. Camera orbit controls (drag to orbit, scroll to zoom) 4. Pause/Resume and Reset buttons 5. Use the provided three.min.js locally Let me first check what's in the current directory, then build the solution.
{"command":"ls -la /tmp/job-lDGq30/"}total 604 drwx------ 3 node node 4096 Oct 14 02:33 . drwxrwxrwt 6 root root 4096 Oct 14 02:33 .. drwxr-xr-x 3 node node 4096 Oct 14 02:33 .home -rw-r--r-- 1 node node 603445 Oct 14 02:33 three.min.js
thinking
Good, `three.min.js` is present. Now let me build the Lorenz attractor visualization. I'll create a comprehensive single-file HTML application. Key design decisions: - Use a custom orbit control implementation (no OrbitControls addon since we can't import it) - Use BufferGeometry with a line strip for the trajectory - Implement Lorenz integration with RK4 for stability - Color the trajectory by iteration number for visual appeal - Implement mouse drag for orbit, scroll for zoom - UI controls for Pause/Resume and Reset Let me write the full implementation.
/tmp/job-lDGq30/index.html (10106 bytes)Successfully wrote to /tmp/job-lDGq30/index.html
thinking
Good, the file is written. Now let me open it in the browser and verify it works properly.
{"action":"screenshot"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x11400138200]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x11400138200]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x11400138200]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x11400138200]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)"],"dom":"Pause\nReset\nDrag to orbit · Scroll to zoom · Lorenz (σ=10, ρ=28, β=8/3)\nPoints: 144\nStep: 144","images":"attached"}
thinking
The initial output shows the Lorenz attractor rendering but it seems very thin and only a short initial segment is visible. The trajectory appears as a thin line rather than a "luminous-looking" trajectory. Let me inspect the current code and improve it: 1. The trajectory is too thin and barely visible 2. Need to make it look more luminous/bright 3. Need to ensure the full attractor frames properly 4. Camera controls need to work (orbit + zoom) 5. Pause/Resume and Reset buttons need to work 6. The trajectory should progressively reveal the two-lobed butterfly shape Let me read the current file and fix issues.
Let me read the current file to see what needs fixing.