# CCParticleSystemMode Constants Reference

Declared in | CCParticleSystemBase.h

### CCParticleSystemMode

Particle system mode.

#### Definition

`typedef NS_ENUM(NSUInteger, CCParticleSystemMode ) {
CCParticleSystemModeGravity,
CCParticleSystemModeRadius,
};`

#### Constants

`CCParticleSystemModeGravity`

  Gravity mode (A mode).

  Declared In `CCParticleSystemBase.h`.

`CCParticleSystemModeRadius`

  Radius mode (B mode).

  Declared In `CCParticleSystemBase.h`.

#### Declared In

`CCParticleSystemBase.h`