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FGroupTopologySelector::FindSelectedElement

Find which element was selected for a given ray.

Windows

MacOS

Linux

References

Module	ModelingComponents
Header	/Engine/Plugins/Experimental/MeshModelingToolset/Source/ModelingComponents/Public/Selection/GroupTopologySelector.h
Include	#include "Selection/GroupTopologySelector.h"
Source	/Engine/Plugins/Experimental/MeshModelingToolset/Source/ModelingComponents/Private/Selection/GroupTopologySelector.cpp

Syntax

bool FindSelectedElement
(
    const FSelectionSettings & Settings,
    const FRay3d & Ray,
    FGroupTopologySelection & ResultOut,
    FVector3d & SelectedPositionOut,
    FVector3d & SelectedNormalOut,
    int32 * EdgeSegmentIdOut
)

Remarks

Find which element was selected for a given ray.

Returns

true if something was selected

Parameters

Parameter	Description
Settings	settings that determine what can be selected.
Ray	hit-test ray
ResultOut	resulting selection. Will not be cleared before use. At most one of the Groups/Corners/Edges members will be added to.
SelectedPositionOut	The point on the ray nearest to the selected element
SelectedNormalOut	the normal at that point if ResultOut contains a selected face, otherwise uninitialized
EdgeSegmentIdOut	When not null, if the selected element is a group edge, the segment id of the segment that was actually clicked within the edge polyline will be stored here.

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