hytopia/docs/server.rigidbody.setadditionalmass.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; [RigidBody](./server.rigidbody.md) &gt; [setAdditionalMass](./server.rigidbody.setadditionalmass.md)

## RigidBody.setAdditionalMass() method

Sets the additional mass of the rigid body.

**Signature:**

```typescript
setAdditionalMass(additionalMass: number): void;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

additionalMass


</td><td>

number


</td><td>

The additional mass of the rigid body.


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

void