Rotation By Speed module
Collision module

External Forces module

This property modifies the effect of wind zones and Particle System Force Fields on particles emitted by the system.

Properties

Property Function
Multiplier Scale value applied to wind zone forces.
Influence Filter Choose whether to include Force Fields based on a Layer Mask, or via an explicit List.
List Define an explicit list of Force Fields that can affect this Particle System. This appears when the Influence Filter is set to List.
Influence Mask Use a Layer Mask to determine which Force Fields affect this Particle System. This appears when the Influence Filter is set to Layer Mask.
This is set to Everything by default, but you can enable or disable the following options individually:
- Nothing (automatically unticks all other options, turning them off)
- Everything (automatically ticks all other options, turning them on)
- Default
- TransparentFX
- Ignore Raycast
- Water
- UI
- PostProcessing

Details

To get the best results out of this feature, create separate GameObjects with ParticleSystemForceFields components.

A Terrain can incorporate wind zones which affect the movement of trees on the landscape. Enabling this section allows the wind zones to blow particles from the system. The Multiplier value lets you scale the effect of the wind on the particles, since they will often be blown more strongly than tree branches.


  • 2018–10–19 Page amended with limited editorial review

  • Influence Filter and Influence Mask added to Particle System in 2018.3 NewIn20183

Rotation By Speed module
Collision module