A Particle System component simulates fluid entities such as liquids, clouds and flames by generating and animating large numbers of small 2D images in the sceneA Scene contains the environments and menus of your game. Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info
See in Glossary. For a full introduction to particle systems and their uses, see further documentation on Particle Systems.
The Particle System component has many properties, and for convenience, the InspectorA Unity window that displays information about the currently selected GameObject, Asset or Project Settings, alowing you to inspect and edit the values. More info
See in Glossary organises them into collapsible sections called “modules”. These modules are documented in separate pages. See documentation on Particle System Modules to learn about each one.
To expand and collapse modules, click the bar that shows their name. Use the checkbox on the left to enable or disable the functionality of the properties in that module. For example, if you don’t want to vary the sizes of particles over their lifetime, uncheck the Size over Lifetime module.
The Open Editor button displays the options in a separate Editor window, which allows you to edit multiple systems at once.
The Particle Effect panel in the Scene ViewAn interactive view into the world you are creating. You use the Scene View to select and position scenery, characters, cameras, lights, and all other types of Game Object. More info
See in Glossary contains some additional options for previewing Particle Systems.
|Simulate Layers||Allows you to preview Particle Systems that are not selected. By default, only selected Particle Systems play in the Scene View. However, when you set Simulate Layers to anything other than Nothing, effects that match the 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 play automatically, without you needing to select them. This is particularly useful for previewing environmental effects.
|Resimulate||When this property is enabled, the Particle System immediately applies property changes to particles it has already generated. When disabled, the Particle System leaves existing particles as they are, and only applies property changes to new particles.|
|Show Bounds||When this property is enabled, Unity displays the bounding volumeA closed shape representing the edges and faces of a collider or trigger. More info
See in Glossary around the selected Particle Systems. These bounds determine whether a Particle System is currently on screen or not.
|Show Only Selected||When this property is enabled, Unity hides all non-selected Particle Systems, allowing you to focus on producing a single effect.|
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