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# SCNParticleInputMode

Options for the input value of the property controller’s animation, used by the [`inputMode`](/documentation/SceneKit/SCNParticlePropertyController/inputMode) property.

```
enum SCNParticleInputMode
```

## Topics

### Constants

[`SCNParticleInputModeOverLife`](/documentation/SceneKit/SCNParticleInputMode/overLife)

The controller’s effect on a particle property is a function of the time since the particle’s birth.

[`SCNParticleInputModeOverDistance`](/documentation/SceneKit/SCNParticleInputMode/overDistance)

The controller’s effect on a particle property is a function of the particle’s distance from the position of a specified node.

[`SCNParticleInputModeOverOtherProperty`](/documentation/SceneKit/SCNParticleInputMode/overOtherProperty)

The controller’s effect on a particle property is a function of another of the particle’s properties.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Hashable`](/documentation/Swift/Hashable)

[`Sendable`](/documentation/Swift/Sendable)

---

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