# useMouseVector

> A custom React hook that tracks mouse/touch movement and calculates motion vectors. Provides both position coordinates and movement vectors relative to a container or the window.

- Author: [Daniel Petho](https://21st.dev/@danielpetho)
- Library: [Fancy Components](https://21st.dev/@danielpetho/library/fancy-components)
- License: mit
- Tags: Hook
- Live preview: https://21st.dev/@danielpetho/components/use-mouse-vector

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/danielpetho/use-mouse-vector?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/hook.md