# Sandbox.ParticleRingEmitter

Emits particles in a ring. The ring can be flat or have a tube-like quality.

Velocity can either be added from the center of the ring, or from the ring itself.

- Kind: class
- Namespace: `Sandbox`
- Assembly: `Sandbox.Engine`
- Inherits: [Sandbox.ParticleEmitter](/api/Sandbox.ParticleEmitter)
- Modifiers: sealed

## Constructors

- [`ParticleRingEmitter`](/api/Sandbox.ParticleRingEmitter/.ctor)

## Properties

- [`Angle`](/api/Sandbox.ParticleRingEmitter/Angle)
- [`AngleStart`](/api/Sandbox.ParticleRingEmitter/AngleStart)
- [`Flatness`](/api/Sandbox.ParticleRingEmitter/Flatness)
- [`Radius`](/api/Sandbox.ParticleRingEmitter/Radius)
- [`Thickness`](/api/Sandbox.ParticleRingEmitter/Thickness)
- [`VelocityFromCenter`](/api/Sandbox.ParticleRingEmitter/VelocityFromCenter)
- [`VelocityFromRing`](/api/Sandbox.ParticleRingEmitter/VelocityFromRing)

## Methods

- [`Emit`](/api/Sandbox.ParticleRingEmitter/Emit)