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> Unreal Engine API Reference > Runtime > Core > Math > FMath > FMath::SegmentTriangleIntersection

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FMath::SegmentTriangleIntersection

Returns true if there is an intersection between the segment specified by StartPoint and Endpoint, and the Triangle defined by A, B and C.

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References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Math/UnrealMathUtility.h
Include	#include "Math/UnrealMathUtility.h"
Source	/Engine/Source/Runtime/Core/Private/Math/UnrealMath.cpp

Syntax

static bool SegmentTriangleIntersection
(
    const FVector & StartPoint,
    const FVector & EndPoint,
    const FVector & A,
    const FVector & B,
    const FVector & C,
    FVector & OutIntersectPoint,
    FVector & OutTriangleNormal
)

Remarks

Returns true if there is an intersection between the segment specified by StartPoint and Endpoint, and the Triangle defined by A, B and C. If there is an intersection, the point is placed in out_IntersectionPoint

Returns

true if intersection occurred

Parameters

Parameter	Description
StartPoint	start point of segment
EndPoint	end point of segment
A, B, C	points defining the triangle
OutIntersectPoint	out var for the point on the segment that intersects the triangle (if any)
OutNormal	out var for the triangle normal

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