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This page provides information on the Plain Force (PhoenixFDPlainForce) component.

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The Plain Force pushes a fluid according to the helper's orientation. It is used to produce a gravity or wind effect.

The dynamics are controlled by two parameters, that balance between predictability and natural behavior: the Strength of the force (magnitude), and Drag.

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Note that the Drag determines how much the fluid’s behavior is suppressed, or how closely it follows just the Plain Force, while also preventing the fluid from continuously accelerating forever.
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titleUI Path: ||Phoenix FDl|| > Create > Plain Force
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Parameters

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Strength | strengthunits – Specifies the acceleration force measured in scene units/sec^2.

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titleExample: Maximum Distance

Here are the affected areas with Maximum Distance values of 30, 40, and 50 with a rotated Plain Force and enabled Apply Force Behind Icon option.

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Maximum Distance set to 30.0 cm.

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Maximum Distance set to 40.0 cm.

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Maximum Distance set to 50.0 cm.


Fade Start | fadestart – This is a fraction between 0.0 and 1.0 of the Maximum Distance option and specifies the relative distance where the force starts to gradually decline. If set to 1, the force does not decline at all and just abruptly quits as it reaches the Maximum Distance. If set to 0, then the force starts declining right from the beginning and gradually stops working as the distance reaches Maximum Distance.

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