Rotating icosahedron · north-mini-code
Using the pre-provided three.min.js (global THREE), render a full-screen scene with a rotating icosahedron lit by two colored point lights, orbit-style auto-rotation, and a subtle starfield background.
transcript · 8 messages
Using the pre-provided three.min.js (global THREE), render a full-screen scene with a rotating icosahedron lit by two colored point lights, orbit-style auto-rotation, and a subtle starfield background.
thinking
The user wants me to create a single-page web app (index.html) that: 1. Renders a full-screen scene 2. Uses three.min.js (already present in the directory) 3. Has a rotating icosahedron 4. Has two colored point lights 5. Has orbit-style auto-rotation 6. Has a subtle starfield background 7. Everything should be in one self-contained file with CSS in <style>, JS in <script>, and inline HTML Let me first check what's currently in the directory to see if three.min.js exists.
{"command":"ls -la"}total 644 drwxrwxrwx 3 node node 96 Jul 22 16:56 . drwxr-xr-x 1 root root 4096 Jul 22 16:56 .. -rw-r--r-- 1 node node 603445 Jul 22 16:56 three.min.js
thinking
The user wants me to create a single-page web app with: 1. A full-screen scene rendered using the pre-provided three.min.js (global THREE) 2. A rotating icosahedron 3. Two colored point lights with orbit-style auto-rotation 4. A subtle starfield background According to the guidelines, I need to: - Build a single-page web app and write it ALL into one self-contained file named index.html - Use CSS in a <style> tag, JS in a <script> tag, inline - Use NO external resources, CDNs or network requests - Load three.min.js with a plain <script src="three.min.js"></script> using its exact filename - Create the complete artifact Let me create the index.html file with the complete 3D scene.
index.html (4975 bytes)Successfully wrote 4975 bytes to index.html
thinking
The user wants a single-page web app using three.min.js that's self-contained. I need to create an HTML file with inlined CSS and JS that uses the provided three.min.js library. I've created index.html with: - A rotating icosahedron - Full-screen scene - Two colored point lights (red and cyan) - Orbit-style auto-rotation - Subtle starfield background - Mouse interaction for additional rotation - Responsive design - Animated lights that pulse and move in orbits Let me verify the file exists and meets the requirements.
{"command":"ls -la"}total 652 drwxrwxrwx 4 node node 128 Jul 22 16:56 . drwxr-xr-x 1 root root 4096 Jul 22 16:56 .. -rw-r--r-- 1 node node 4975 Jul 22 16:56 index.html -rw-r--r-- 1 node node 603445 Jul 22 16:56 three.min.js
thinking
I created the complete HTML file with all requirements: - Self-contained single file (index.html) - Uses pre-provided three.min.js - Full-screen scene with rotating icosahedron - Two colored point lights (red and teal) - Orbit-style auto-rotation - Subtle starfield background - CSS in <style> tag, JS in <script> tag - No external resources or network requests The file is present in the current directory. The app will render a 3D scene with an icosahedron that rotates continuously, two point lights that orbit the scene and pulse, and a starfield background. It also includes mouse interaction for additional control.
I've created the complete single-page web application at `index.html`. The scene features: - **Rotating Icosahedron**: A geometric mesh with wireframe=false, smooth Phong shading, and shininess - **Two Colored Point Lights**: - Red light (0xFF6B6B) positioned initially at (-5,3,2) - Teal light (0x4ECDC4) positioned initially at (5,-3,2) - Both lights orbit the scene and pulse with sine waves - **Orbit-style Auto-rotation**: The icosahedron rotates continuously on X and Y axes - **Subtle Starfield Background**: 1000 white stars with transparency - **Mouse Interaction**: Adds dynamic orbital control to the rotation - **Responsive**: Handles window resize events - **Single File**: All CSS and JavaScript inline, using the pre-provided `three.min.js` The application runs fully sandboxed with no network requests, completely self-contained in one file. Open `index.html` in a web browser to see the 3D scene in action.
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
Rotating icosahedron lit by red/cyan point lights over a starfield, auto-rotates but shape is low-poly and appears low-res/blurry.
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.