External Forces module
This property modifies the effect of wind zonesA GameObject that adds the effect of wind to your terrain. For instance, Trees within a wind zone will bend in a realistic animated fashion and the wind itself will move in pulses to create natural patterns of movement among the tree. More info
See in Glossary 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 MaskA value defining which layers to include or exclude from an operation, such as rendering, collision or your own code. More info See in Glossary, or via an explicit List. |
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| List | Define an explicit list of Force Fields that can affect this Particle SystemA component that simulates fluid entities such as liquids, clouds and flames by generating and animating large numbers of small 2D images in the scene. More info See in Glossary. This appears when the Influence Filter is set to List. |
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| 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(User Interface) Allows a user to interact with your application. Unity currently supports three UI systems. More info See in Glossary - PostProcessing |
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Details
To get the best results out of this feature, create separate GameObjectsThe fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more. A GameObject’s functionality is defined by the Components attached to it. More info
See in Glossary with ParticleSystemForceFields components.
A TerrainThe landscape in your scene. A Terrain GameObject adds a large flat plane to your scene and you can use the Terrain’s Inspector window to create a detailed landscape. More info
See in Glossary 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
Influence Filter and Influence Mask added to Particle System in 2018.3 NewIn20183
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