Signal Decay
Clean amber waveforms progressively degrading into gorgeous warm noise — order dissolving into beautiful chaos.
What is Signal Decay?
Signal Decay is a free WebGL web effect in the TappyPrism library. Clean amber waveforms progressively degrading into gorgeous warm noise — order dissolving into beautiful chaos. It is rendered on the GPU by a fragment shader, so it costs almost nothing on the CPU and works well as a full-screen background. It ships as a single self-contained HTML file (signal-decay.html) with zero dependencies — no npm package, no framework, no build step. It exposes 2 live parameters — Signal Speed, Decay — adjustable in the browser or at runtime.
Parameters
| Parameter | Key | Range | Default |
|---|---|---|---|
| Signal Speed | SIGNAL_SPEED | 0.2 – 1.5 | 0.5 |
| Decay | DECAY_INTENSITY | 0.3 – 2 | 1 |
How to add Signal Decay to your page
- Download the standalone file signal-decay.html and copy its source into your project.
- Or embed it as a background iframe:
<iframe src="https://prism.tappypotato.com/fx/signal-decay.html" style="position:fixed;inset:0;width:100%;height:100%;border:0;z-index:-1" title="Signal Decay"></iframe> - Tune it at runtime with postMessage:
iframe.contentWindow.postMessage({ type: 'param', name: 'SIGNAL_SPEED', value: 0.5 }, '*');
Frequently asked questions
What is Signal Decay?
Signal Decay is a free WebGL web effect in the TappyPrism library. Clean amber waveforms progressively degrading into gorgeous warm noise — order dissolving into beautiful chaos. It is rendered on the GPU by a fragment shader, so it costs almost nothing on the CPU and works well as a full-screen background. It ships as a single self-contained HTML file (signal-decay.html) with zero dependencies — no npm package, no framework, no build step. It exposes 2 live parameters — Signal Speed, Decay — adjustable in the browser or at runtime.
How do I add Signal Decay to my website?
Download the standalone file at https://prism.tappypotato.com/fx/signal-decay.html and copy its source into your page, or embed it as a background iframe: <iframe src="https://prism.tappypotato.com/fx/signal-decay.html" style="position:fixed;inset:0;width:100%;height:100%;border:0;z-index:-1" title="Signal Decay"></iframe>. Tune it live with postMessage, e.g. iframe.contentWindow.postMessage({ type: 'param', name: 'SIGNAL_SPEED', value: 0.5 }, '*').