# ORB-23

an ASCII glyph matrix in CRT green, wrapped on the ball

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<OrbPreview slug="orb-23" />

## Installation [#installation]

<CodeTabs>
  <TabsList>
    <TabsTrigger value="cli">
      Command
    </TabsTrigger>

    <TabsTrigger value="manual">
      Manual
    </TabsTrigger>
  </TabsList>

  <TabsContent value="cli">
    ```bash
    npx shadcn@latest add https://shadercn.vercel.app/r/orb-23.json
    ```
  </TabsContent>

  <TabsContent value="manual">
    <Steps>
      <Step>
        Install the following dependencies:
      </Step>

      ```bash
      pnpm add vgpu
      ```

      <Step>
        Copy and paste the following code into your project.
      </Step>

      <ComponentSource src="components/orbs/orb-23.tsx" base="shadercn" title="components/orbs/orb-23.tsx" />

      <ComponentSource src="components/orbs/orbkit-core-wgpu.tsx" base="shadercn" title="components/orbs/orbkit-core-wgpu.tsx" />

      <ComponentSource src="components/orbs/orbkit-renderer.ts" base="shadercn" title="components/orbs/orbkit-renderer.ts" />

      <Step>
        Update the import paths to match your project setup.
      </Step>
    </Steps>
  </TabsContent>
</CodeTabs>

## Usage [#usage]

```tsx
import { Orb23 } from "@/components/orbs/orb-23";
```

```tsx
<Orb23 size={280} state="idle" />
```

## Props [#props]

### Component Props [#component-props]

| Prop             | Type                                                             | Default  | Description                                  |
| ---------------- | ---------------------------------------------------------------- | -------- | -------------------------------------------- |
| `state`          | `"idle" \| "thinking" \| "speaking"`                             | `"idle"` | Drive preset the orb eases toward            |
| `size`           | `number`                                                         | `280`    | Rendered size in CSS pixels                  |
| `params`         | `Partial<Record<string, number>>`                                | -        | Shader param overrides, see Shader Props     |
| `colors`         | `Partial<Record<string, string>>`                                | -        | Shader colour overrides as hex strings       |
| `statePresets`   | `Partial<Record<OrbState, Record<string, number>>>`              | -        | Replace the built-in per-state param presets |
| `stateColors`    | `Partial<Record<OrbState, Record<string, string>>>`              | -        | Replace the built-in per-state colours       |
| `stateVolumes`   | `Partial<Record<OrbState, { input?: number; output?: number }>>` | -        | Pin the drive volumes a state settles on     |
| `volumes`        | `{ input?: number; output?: number }`                            | -        | Drive the orb directly, bypassing synthesis  |
| `paused`         | `boolean`                                                        | `false`  | Freeze the frame loop                        |
| `pauseOffscreen` | `boolean`                                                        | `true`   | Stop rendering while scrolled out of view    |
| `maxDpr`         | `number`                                                         | `2`      | Upper bound on the device pixel ratio        |
| `className`      | `string`                                                         | -        | Class on the wrapper element                 |
| `style`          | `CSSProperties`                                                  | -        | Inline style on the wrapper element          |
| `ariaLabel`      | `string`                                                         | -        | Accessible name for the canvas               |

### Shader Props [#shader-props]

Pass any of these through `params`; each is a single `f32` uniform read by the shader.

| Param      | Label         | Range          | Step    | Default |
| ---------- | ------------- | -------------- | ------- | ------- |
| `drift`    | Drift         | `0` – `10`     | `0.05`  | `0.55`  |
| `scroll`   | Scroll        | `0` – `10`     | `0.05`  | `0.05`  |
| `speed`    | Pulse rate    | `0.015` – `10` | `0.05`  | `0.5`   |
| `pulse`    | Pulse depth   | `0` – `2`      | `0.01`  | `0`     |
| `spin`     | Roll          | `0` – `5`      | `0.03`  | `0.12`  |
| `radius`   | Radius        | `0.15` – `3`   | `0.015` | `0.9`   |
| `cells`    | Glyph grid    | `16` – `120`   | `2`     | `40`    |
| `scale`    | Field scale   | `0.3` – `10`   | `0.1`   | `1.6`   |
| `density`  | Glyph density | `0` – `2`      | `0.01`  | `0.48`  |
| `dropout`  | Dropout       | `0` – `1`      | `0.01`  | `0.48`  |
| `light`    | Key light     | `0` – `3`      | `0.015` | `0.6`   |
| `rim`      | Rim glow      | `0` – `3`      | `0.015` | `0.45`  |
| `gain`     | Phosphor gain | `0.05` – `5`   | `0.05`  | `1`     |
| `contrast` | Contrast      | `0.15` – `10`  | `0.05`  | `1`     |

Colours are passed through `colors` as hex strings.

| Colour | Label | Default   |
| ------ | ----- | --------- |
| `glow` | Glow  | `#57ffc9` |
| `deep` | Deep  | `#0b3b2d` |

## Credits [#credits]

Shader by [XorDev](https://x.com/XorDev), ported from [orbkit](https://github.com/zzzzshawn/orbkit) (WebGL/GLSL) to WebGPU/WGSL.