# NIF File Format Documentation

NIF Objects | Compound Types | Enum Types | Basic Types | File Versions

## NiParticleGrowFade

This particle system modifier controls the particle size. If it is present the particles start with size 0.0 . Then they grow to their original size and stay there until they fade to zero size again at the end of their lifetime cycle.

### Attributes

Name | Type | Arg | Arr1 | Arr2 | Cond | Description | From | To
--- | --- | --- | --- | --- | --- | --- | --- | ---
From NiObject
From NiParticleModifier
Next Modifier | Ref<NiParticleModifier> |  |  |  |  | Next particle modifier. |  |
Controller | Ptr<NiParticleSystemController> |  |  |  |  | Points to the particle system controller parent. | 4.0.0.2 |
From NiParticleGrowFade
Grow | float |  |  |  |  | The time from the beginning of the particle lifetime during which the particle grows. |  |
Fade | float |  |  |  |  | The time from the end of the particle lifetime during which the particle fades. |  |

### Parent Of