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Verse API reference page for the progress_based_mesh_device class

This device is used to associate changes in progression with a mesh transition. As the device's progression changes, it will transition between a set of defined meshes. The ThresholdMesh field can be found under the 'Visuals' category on an instance of a progress_based_mesh_device in Unreal Editor Fortnite.

Verse using statement using { /Fortnite.com/Devices }

Inheritance Hierarchy

This class is derived from the following hierarchy, starting with creative_object:

Name Description
creative_object Base class for creative devices and props.
creative_device_base Base class for creative_device.

Members

This class has both data members and functions.

Data

Data Member Name Type Description
CurrentProgress ?float The current progress this device has made towards its ProgressTarget. This value will be clamped between 0 and Progress Target. Modifying this value will cause changes Mesh Changes corresponding to your defined ThresholdMeshes.
EmptyEvent listenable(payload) This event is fired whenever 'CurrentProgress' reaches 0.
FillEvent listenable(payload) This event is fired whenever 'CurrentProgress' reaches the 'ProgressTarget'.
ProgressChangeEvent listenable(payload) This event is fired whenever 'CurrentProgress' value gets changed, whether through direct modification, or as a result of the Progress or Regress state.
ProgressRate ?float This value maps to the 'ProgressRate' user option. When this device is in the Progress state, 'CurrentProgress' will be increased by this value per second until it reaches the 'ProgressTarget'. Utilizing this value is not required, as 'CurrentProgress' can also be modified directly.
ProgressState ?progress_device_state The current state of this device.
ProgressTarget ?float This value maps to the 'ProgressTarget' user option. The target Progress goal of this value. Setting this value will clamp it between 0 and 100. If 'ProgressTarget' is set to a value lower than 'CurrentProgress', 'CurrentProgress' will be clamped to 'ProgressTarget', and fire any threshold related events.
ProgressThresholdCrossEvent listenable(payload) This event fires whenever this device changes meshes as a result of 'CurrentProgress' value causing a new Threshold to be met. The ThresholdMeshe field can be found under the 'Visuals' category on an instance of a progress_based_mesh_device in Unreal Editor Fortnite.
RegressRate ?float This value maps to the 'RegressRate' user option. When this device is in the Regress state, 'CurrentProgress' will be decreased by this value per second until it reaches the 0. Utilizing this value is not required, as 'CurrentProgress' can also be modified directly.

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    Last updated May 14, 2026
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    • | [`creative_object`
    • | [`creative_device_base`
    • | [`GetGlobalTransform`
    • | [`GetTransform`
    • | [`MoveTo`
    • | [`MoveTo`
    Related topics
    • Progress Based Mesh Device Devices
    • Animated Mesh Device Devices
    • Animated Mesh Device Devices
    • Movement Modulator Device Devices
    • Movement Modulator Device Devices

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    Related topics

    • Progress Based Mesh Device
    • Animated Mesh Device
    • Animated Mesh Device
    • Movement Modulator Device
    • Movement Modulator Device
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