Spectral Cosmic Bands
Audio-reactive raymarched ribbons and wave field driven by FFT frequency bands. Two twisting ribbon manifolds and a rippling ground plane respond to bass, mids, and highs, with volumetric glow and depth-based colour shifting.
Parameters
| Parameter | Label | Default | Range | Description |
|---|---|---|---|---|
perspective |
Perspective | 0.5 | 0–1 | Camera distance — 0 is far, 1 is close. |
brightness |
Brightness | 1.1 | 0.2–2.0 | Overall scene brightness. |
intensity |
Intensity | 0.5 | 0–1 | How strongly audio drives ribbon motion. |
thickness |
Thickness | 0.55 | 0.1–1.0 | Ribbon cross-section thickness. |
glow |
Glow | 1.0 | 0–2 | Volumetric glow intensity around ribbons. |
Downloads
- spectral-cosmic-bands.frag — VS2 version
This shader relies on VS2’s built-in FFT texture and cannot be converted to ISF.
License
The shader source code is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0). You can share and adapt the code for non-commercial purposes, as long as you credit the author and distribute contributions under the same license. Commercial redistribution of the source code requires permission.
Using the Output
The visual output produced by running these shaders is yours to use. VJ at a party, use it in a music video, project it at a festival — go for it. If you're making money from it, consider supporting my music at Mirlo, Subvert or Bandcamp.