# ASCII Nodal Lines Background

> An animated full-bleed ASCII canvas background that renders the destructive-interference (zero-amplitude) curves of four wave emitters, with the mouse cursor acting as a fifth emitter that reshapes the pattern.

- Author: [nikolas-sapa](https://21st.dev/@nikolas-sapa)
- Library: @ns-ui
- License: MIT
- Tags: Background, Canvas, Wave, Ascii
- Live preview: https://21st.dev/@nikolas-sapa/components/background-ascii-nodal-lines

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/nikolas-sapa/background-ascii-nodal-lines?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/background.md