Spiral Vortex
A fiery spiral vortex with logarithmic arms driven by layered fractal noise. Multiple arms wrap around a glowing core, with flame-like detail that shifts over time. In VS2, map audio or MIDI to the parameters to make it reactive.
Parameters
| Parameter | Label | Default | Range | Description |
|---|---|---|---|---|
offsetX |
Offset X | 0.0 | -1–1 | Horizontal position of the vortex center. |
offsetY |
Offset Y | 0.0 | -1–1 | Vertical position of the vortex center. |
size |
Size | 2.0 | 0.1–2.0 | Overall scale of the vortex. |
arms |
Arms | 4.5 | 1–8 | Number of spiral arms. |
intensity |
Intensity | 1.5 | 0–3 | Brightness and flame intensity. |
Downloads
- spiral-vortex.frag — VS2 version
- spiral-vortex.fs — ISF version
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.