Lorenz attractor · qwen3-coder-next
Using the pre-provided three.min.js (global THREE), visualize the Lorenz attractor as a glowing 3D butterfly trajectory that draws over time, with orbit-drag camera controls.
transcript · 10 messages
Using the pre-provided three.min.js (global THREE), visualize the Lorenz attractor as a glowing 3D butterfly trajectory that draws over time, with orbit-drag camera controls.
I'll create a single-page web app that visualizes the Lorenz attractor as a glowing 3D butterfly trajectory using Three.js. First, let me check if three.min.js exists in the current directory:
{"command":"ls -la /tmp/ws/"}total 592 drwxr-sr-x. 2 node node 26 Aug 1 20:11 . drwxrwsrwx. 3 root node 16 Aug 1 20:11 .. -rw-r--r--. 1 node node 603445 Aug 1 20:11 three.min.js
Great! The three.min.js file is present. Now I'll create the index.html file with a complete Lorenz attractor visualization:
/tmp/ws/index.html (15604 bytes)Successfully wrote 15604 bytes to /tmp/ws/index.html
The file was created, but I notice there's a syntax error in the JavaScript. Let me fix that:
{"path":"/tmp/ws/index.html","edits":[{"newText":"function updateLorenzAttractor() {","oldText":"function update LorenzAttractor() {"}]}Successfully replaced 1 block(s) in /tmp/ws/index.html.
{"edits":[{"newText":" updateLorenzAttractor();","oldText":" update LorenzAttractor();"}],"path":"/tmp/ws/index.html"}Successfully replaced 1 block(s) in /tmp/ws/index.html.
Perfect! The index.html file has been created successfully. The visualization includes: 1. **Lorenz Attractor Implementation** - Computes the chaotic Lorenz dynamical system with standard parameters (σ=10, ρ=28, β=8/3) 2. **Glowing Butterfly Visualization** - Uses additive blending and vertex colors to create a luminous effect 3. **Gradient Coloring** - Points are colored using a multi-color gradient that transitions across the butterfly wings 4. **Orbit Controls** - Drag to rotate, scroll to zoom 5. **Interactive UI** - Sliders for step size, trail length, and particle size 6. **Ambient Lighting** - Multiple light sources for depth and visual appeal The visualization builds up the butterfly trajectory over time, with each point colored based on its position along the attractor. The entire scene rotates slowly to showcase the 3D structure of the famous chaotic system. Open `index.html` in a browser to see the glowing 3D Lorenz attractor visualization!
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
EVALUATION
Lorenz attractor draws colorfully over time as a glowing butterfly trajectory, with rotation working via click/drag/keys.
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.