hytopia/docs/server.particleemitter.setopacitystartvariance.md

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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [server](./server.md) &gt; [ParticleEmitter](./server.particleemitter.md) &gt; [setOpacityStartVariance](./server.particleemitter.setopacitystartvariance.md)

## ParticleEmitter.setOpacityStartVariance() method

Sets the opacity variance of an emitted particle at the start of its lifetime.

**Signature:**

```typescript
setOpacityStartVariance(opacityStartVariance: number): void;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

opacityStartVariance


</td><td>

number


</td><td>

The opacity variance of an emitted particle at the start of its lifetime.


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

void