Flow-field particles · qwen3.5-122b-a10b
Using the pre-provided p5.min.js (global p5, instance or global mode), create a full-screen flow-field particle animation: thousands of particles advected by Perlin-noise vectors, leaving fading trails, with colors shifting over time.
transcript · 8 messages
Using the pre-provided p5.min.js (global p5, instance or global mode), create a full-screen flow-field particle animation: thousands of particles advected by Perlin-noise vectors, leaving fading trails, with colors shifting over time.
thinking
The user wants me to create a single-page web app with a flow-field particle animation using p5.js. The requirements are: 1. Single self-contained index.html file 2. CSS in <style> tag, JS in <script> tag - inline 3. No external resources/CDNs/network requests 4. Use the pre-provided p5.min.js library 5. Full-screen flow-field particle animation with: - Thousands of particles - Perlin noise vectors for advection - Fading trails - Colors shifting over time Let me create this file with all the necessary code.
index.html (3732 bytes)Successfully wrote 3732 bytes to index.html
thinking
The file has been created. Let me verify it exists and is correct.
{"command":"ls -la index.html && head -20 index.html"}-rw-r--r--. 1 node node 3732 Aug 1 20:24 index.html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Flow Field Particles</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { overflow: hidden; background: #000; } canvas { display: block; } </style>
thinking
The file has been created successfully. Let me verify that p5.min.js is also present in the directory as expected.
{"command":"ls -la p5.min.js"}-rw-r--r--. 1 node node 1034532 Aug 1 20:24 p5.min.js
thinking
Both files are present. The index.html is ready and will use the local p5.min.js file. Let me summarize what I've created.
Created `index.html` with a full-screen flow-field particle animation featuring: - **3000 particles** advected by Perlin noise vectors - **Flow field grid** (20px scale) generating smooth directional forces using 3D Perlin noise (x, y, z-time) - **Fading trails** via semi-transparent black overlay (`alpha=2`) creating motion blur effect - **Color shifting** over time using HSB color mode with global hue offset + individual particle hue variation - **Particle wrapping** at canvas edges for continuous flow - **Responsive** - handles window resize events To view: Open `index.html` in a browser. The particles will dance across the screen following organic flow patterns that evolve over time.
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
Only a handful of thin colored trails visible on black, not the dense thousand-particle flow field the prompt asked for.
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.