# Meta Balls · Pro

Blobby balls drift around a box and melt together where they meet; one follows the pointer. A real metaball field summed on a low-resolution canvas, so the merge is smooth and the colour follows the theme.

This is a Charcoal UI Pro component. Its source and examples are available with a Pro seat: https://charcoalui.com/pricing

## With a Pro seat

1. Add the registry to components.json:

```json
{
  "registries": {
    "@charcoal": {
      "url": "https://charcoalui.com/r/{name}.json",
      "headers": {
        "Authorization": "Bearer ${CHARCOAL_LICENSE_KEY}"
      }
    }
  }
}
```

2. Copy your licence key from https://charcoalui.com/dashboard and put it in .env.local as CHARCOAL_LICENSE_KEY, then:

```bash
npx shadcn@latest add @charcoal/meta-balls
```

To read Pro source through this MCP server, reconnect it with the header "Authorization: Bearer <licence key>".

## API — Meta Balls
| Prop | Type | Default | Notes |
| --- | --- | --- | --- |
| `count` | `number` | `6` | Drifting balls, not counting the one on the pointer. |
| `size` | `number` | `90` | Typical ball diameter in px. |
| `color` | `string` | `"var(--ember)"` | Any CSS colour. |
| `speed` | `number` | `1` | Drift speed multiplier. |
| `follow` | `boolean` | `true` | Add a ball that follows the pointer and merges with the others. |
| `className` | `string` | — |  |

See it live: https://charcoalui.com/docs/components/meta-balls