Component:KnobControl

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Component image 

Knob Control component as seen in the Scene Inspector

KnobControl takes the local rotation of its slot around a specified axis and applies it proportionally to a floating point value.

Fields

Fields

Name	Type	Description
persistent	Bool	Determines whether or not this item will be saved to the server.
UpdateOrder	Int	Controls the order in which this component is updated.
Enabled	Bool	Controls whether or not this component is enabled.
Target	IField`1<Float>	A field to set with the knob's value.
Callback	Action`1<Float>	A delegate that is called with the knob's value change.
RotationAxis	Float3	The axis around which to measure the slot's local rotation.
Rate	Float	The proportional effect of the knob, in values per full (360-degree) rotation.
Min	Float	The minimum value for the knob.
Max	Float	The maximum value for the knob.
_lastRotation	Float	(internal, read-only) Used in determining the rotational change.
_lastAxis	Float3	(internal, read-only) Used if the RotationAxis changes.
_lastUser	User	(internal, read-only) The user who last rotated the slot.

Usage

As the local rotation of this component's slot changes, the knob's value is updated according to how much it has rotated about the RotationAxis. The amount the value changes is determined by the change in rotation (measured in fractions of a full rotation, so for example a change of one degree would be 1/360), multiplied by the Rate.

Note that the value field is not driven. This means it is synced to all users, and can be written to at any time.

This component is most useful when coupled with a Joint to restrict the slot's rotation to be only around the rotation axis.