hytopia/docs/server.collisiongroups.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [CollisionGroups](./server.collisiongroups.md)

## CollisionGroups type

A set of collision groups.

\*\*Category:\*\* Physics

**Signature:**

```typescript
export type CollisionGroups = {
    belongsTo: CollisionGroup[];
    collidesWith: CollisionGroup[];
};
```
**References:** [CollisionGroup](./server.collisiongroup.md)