[Home](./index.md) > [server](./server.md) > [ParticleEmitter](./server.particleemitter.md) > [setVelocityVariance](./server.particleemitter.setvelocityvariance.md) ## ParticleEmitter.setVelocityVariance() method Sets the velocity variance of an emitted particle. **Signature:** ```typescript setVelocityVariance(velocityVariance: Vector3Like): void; ``` ## Parameters

Parameter	Type	Description
velocityVariance	[Vector3Like](./server.vector3like.md)	The velocity variance of an emitted particle.

**Returns:** void