Lorenz attractor · qwen3.5-35b-a3b
Output generated Cost / run $0.0042 Runtime 52.1s
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 · 11 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 first check what files are in the current directory to see the provided three.min.js. The requirements are: 1. Use HTML, CSS, and JavaScript all in one index.html file 2. Use the provided three.min.js library (global THREE) 3. Lorenz system with sigma = 10, rho = 28, beta = 8/3, initial state (0.1, 0, 0) 4. Draw a luminous, colored trajectory that progressively shows the butterfly shape 5. Keep trajectory storage bounded (no unlimited growth) 6. Camera controls: drag to orbit, wheel to zoom 7. Pause/Resume and Reset buttons 8. Pause freezes trajectory growth but camera still works 9. Reset clears the trail and restores initial state Let me first check the directory contents.
{"command":"ls -la /tmp/job-PBLIMk"}total 604 drwx------ 3 node node 4096 Oct 16 01:22 . drwxrwxrwt 6 root root 4096 Oct 16 01:22 .. drwxr-xr-x 3 node node 4096 Oct 16 01:22 .home -rw-r--r-- 1 node node 603445 Oct 16 01:22 three.min.js
thinking
Good, I can see three.min.js is present. Now I'll create the index.html file with all the Lorenz attractor visualization code. Key requirements: 1. Lorenz system: dx/dt = sigma*(y-x), dy/dt = x*(rho-z) - y, dz/dt = x*y - beta*z - sigma = 10, rho = 28, beta = 8/3 - Initial: (0.1, 0, 0) 2. Create a 3D scene with Three.js 3. Draw a colored trajectory that shows the butterfly shape 4. Camera controls: orbit on drag, zoom on wheel 5. Pause/Resume and Reset buttons 6. Bounded trajectory storage (keep only visible points) 7. Luminous-looking color (maybe use gradient colors) Let me write the complete index.html file.
/tmp/job-PBLIMk/index.html (12536 bytes)Successfully wrote to /tmp/job-PBLIMk/index.html
thinking
Now let me verify the file was created and then run it in the browser to check the behavior.
{"command":"ls -la /tmp/job-PBLIMk/"}total 620 drwx------ 3 node node 4096 Oct 16 01:23 . drwxrwxrwt 6 root root 4096 Oct 16 01:22 .. drwxr-xr-x 3 node node 4096 Oct 16 01:22 .home -rw-r--r-- 1 node node 12536 Oct 16 01:23 index.html -rw-r--r-- 1 node node 603445 Oct 16 01:22 three.min.js
thinking
Good, the file is created. Now let me run it in the browser to verify the behavior.
{"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.","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","warning: [.WebGL-0x2e040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","warning: [.WebGL-0x2e040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","warning: [.WebGL-0x2e040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","warning: [.WebGL-0x2e040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers","error: THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers"],"dom":"LORENZ ATTRACTOR\nPause Resume Reset\nPoints: 131\nDrag to orbit | Scroll to zoom","images":"attached"}
thinking
I see the issue - there are many errors about `THREE.BufferAttribute: .setArray has been removed`. The code I wrote is using the old API. I need to rewrite the index.html to use modern Three.js API properly with `BufferGeometry` and `setAttribute`. Let me write a corrected version that: 1. Uses proper BufferGeometry.setAttributes() instead of deprecated setArray() 2. Uses Line with proper geometry setup 3. Properly implements the Lorenz system 4. Has working camera controls without OrbitControls 5. Has proper Pause/Resume/Reset functionality
I see there are errors with deprecated Three.js API. I need to rewrite the code using modern `BufferGeometry` and `setAttribute` methods properly. <read> <file_path>/tmp/job-PBLIMk/index.html</file_path> </read>