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The position of the Source icon in the scene does not matter. If you have many Simulators in the scene, by default each Simulator will interact with a Source's Emitter Nodes as long as they are inside this Simulator. You can exclude Sources or Emitters from a Simulator's Scene Interaction rollout. If you use Include mode, you have to pick both the Source and its Emitter Nodes in the Interaction List.
The Source can emit in 3 different Emit Modes - Surface Force mode creates fluid only at the surface of emitters, Volume Brush fills the entire volume of the emitters, and Volume Inject also fills the emitter's volume and adds pressure for an explosive effect.
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Parameters
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Emitter Nodes
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Emitter Nodes | sources – Specifies a list of objects that will emit fluid. Both geometry and particle systems can be selected here. Press the Add button and pick an object from the Viewport, or a list of objects using the Scene Explorer. |
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Noise | noise – Varies the Outgoing Velocity, Inject Power and Brush Effect (%) across the surface or the volume of the emitting geometry or particle. The variation also changes over time. This is a shorthand for using an animated noise in the Mask slot.
Liquid & RGB
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Emit Liquid – Enables or disables liquid emission. Disabling this option is useful in situations where only foam and splashes need to be emitted but not the liquid itself.
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