Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

FSparseDynamicOctree3::FindNearestHitObject

Find nearest ray-hit point with objects in tree

Windows

MacOS

Linux

References

Module	GeometricObjects
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/GeometricObjects/Public/Spatial/SparseDynamicOctree3.h
Include	#include "Spatial/SparseDynamicOctree3.h"

Syntax

int32 FindNearestHitObject
(
    const FRay3d & Ray,
    TFunctionRef< FAxisAlignedBox3d> GetObjectBoundsFunc,
    TFunctionRef< double(int, const FRay3d &)> HitObjectDistFunc,
    double MaxDistance
) const

Remarks

Find nearest ray-hit point with objects in tree

Returns

ObjectID of hit object, or -1 on miss

Parameters

Parameter	Description
Ray	the ray
GetObjectBoundsFunc	function that returns bounding box of object identified by ObjectID
HitObjectDistFunc	function that returns distance along ray to hit-point on object identified by ObjectID (or TNumericLimits::Max() on miss)
MaxDistance	maximum hit distance

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss