# Nebula

> A slow flight through towering clouds of luminous dust: millions of fine grains placed by fractal noise into pillars, ridges and filaments, lit from within by a young star cluster and cut by dark dust lanes. A real-time WebGPU experiment by Luis Bizarro, after Teun van der Zalm's NEBULAE and INTERSTELLAR clouds.

- Live: https://nebula.bizar.ro/
- Author: Luis Bizarro, https://bizar.ro/, luis@bizar.ro
- Made with: TypeScript, Vite, raw WebGPU and WGSL compute shaders

## Clouds

- Pillars: amber columns of dust rim-lit by a cluster above them, their lower bodies black silhouettes.
- Spire: one twisted column with a lit crown, ice cyan with a gold accent.
- Mountain: three peaks and a thin finger of dust, emerald with a magenta accent.
- Tower: one diagonal billowing mass lit from below, rose to magenta with a cyan accent.
- Arch: two legs and a bridge of dust with the light in the opening, indigo violet with an orange accent.
- Rift: two dark walls with a lit crevice between them, chartreuse gold with a violet accent.
- Horsehead: the head, neck, snout and ear against a crimson curtain, with a blue accent.

## Interaction

Move the pointer to drag a smooth wake through the dust. Press to pull focus to the dust under the pointer. Scroll, use the arrow keys or 1 to 7, or follow the links in the bottom left to switch clouds; the next cloud wipes in from below along a slanted edge.