Flow-field particles · kimi-k2.5
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 full-screen flow-field particle animation using p5.js. Let me break down the requirements: 1. Full-screen canvas 2. Thousands of particles 3. Advected by Perlin-noise vectors (flow field) 4. Fading trails 5. Colors shifting over time 6. Use the pre-provided p5.min.js file 7. All in one index.html file with inline CSS and JS Let me start by checking what's in the workspace to confirm p5.min.js exists.
{"command":"ls -la /workspace"}total 1028 drwxrwxrwx 3 node node 96 Jul 22 16:58 . drwxr-xr-x 1 root root 4096 Jul 22 16:58 .. -rw-r--r-- 1 node node 1034532 Jul 22 16:58 p5.min.js
thinking
Good, p5.min.js exists. Now I'll create a single index.html file with: 1. Full-screen canvas that resizes with window 2. Flow field using Perlin noise 3. Thousands of particles with trails 4. Shifting colors over time I'll use global mode for p5.js since it's simpler for this kind of sketch.
/workspace/index.html (5434 bytes)Successfully wrote 5434 bytes to /workspace/index.html
thinking
I've created the flow field particle animation. Let me verify the file is correct by reading it back.
{"command":"head -20 /workspace/index.html && echo \"...\" && tail -20 /workspace/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 Particle Animation</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } html, body { width: 100%; height: 100%; overflow: hidden; background: #000; } canvas { display: block; ... p.update(); p.draw(); } } function windowResized() { resizeCanvas(windowWidth, windowHeight); background(0); } // Click to reset function mousePressed() { background(0); for (let p of particles) { p.reset(); } } </script> </body> </html>
thinking
The file has been created successfully. It contains: 1. Full-screen setup with CSS removing margins and overflow 2. 3000 particles advected by Perlin noise 3. Fading trails using semi-transparent background and particle history 4. Colors shifting over time using HSB color mode and hueOffset 5. Uses local p5.min.js without external resources The animation features: - Particles follow Perlin noise flow field - Trails fade via semi-transparent overlay each frame - Colors shift over time with HSB color cycling - Click to reset the simulation - Window resize handling All requirements have been met.
Created a full-screen flow-field particle animation in `/workspace/index.html` with: **Features:** - **3000 particles** advected by 3D Perlin noise (x, y, time) - **Flow field** with smooth vector interpolation via noise space - **Fading trails** achieved through semi-transparent background overlay + particle history tracking - **Shifting colors** using HSB color mode with time-based hue cycling and per-particle variation - **Full-screen responsive** canvas that resizes with window **Interaction:** Click anywhere to reset the simulation. **Technical details:** - Uses local `p5.min.js` (no external resources) - 3D noise for evolving flow field over time (`zOff` dimension) - Particle inertia with speed limiting for organic motion - Edge wrapping for continuous flow - History-based trails with fading alpha per segment
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
Flow-field particle trails with shifting colors animate continuously and react strongly to clicks, though trails don't fade fully leaving mostly black screen over time.
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.