hytopia/docs/server.collider.addtosimulation.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; [Collider](./server.collider.md) &gt; [addToSimulation](./server.collider.addtosimulation.md)

## Collider.addToSimulation() method

Adds the collider to the simulation.

**Signature:**

```typescript
addToSimulation(simulation: Simulation, parentRigidBody?: RigidBody): void;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

simulation


</td><td>

[Simulation](./server.simulation.md)


</td><td>

The simulation to add the collider to.


</td></tr>
<tr><td>

parentRigidBody


</td><td>

[RigidBody](./server.rigidbody.md)


</td><td>

_(Optional)_ The parent rigid body of the collider.


</td></tr>
</tbody></table>
**Returns:**

void