Unreal Engine 4 Documentation > Unreal Engine API Reference > Runtime > Engine > Kismet > UKismetSystemLibrary > UKismetSystemLibrary::LineTraceSingle

UKismetSystemLibrary::LineTraceSingle

Does a collision trace along the given line and returns the first blocking hit encountered.

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Kismet/KismetSystemLibrary.h
Include	#include "Kismet/KismetSystemLibrary.h"
Source	/Engine/Source/Runtime/Engine/Private/KismetSystemLibrary.cpp

Syntax

static bool LineTraceSingle
(
    const UObject * WorldContextObject,
    const FVector Start,
    const FVector End,
    ETraceTypeQuery TraceChannel,
    bool bTraceComplex,
    const TArray < AActor * > & ActorsToIgnore,
    EDrawDebugTrace::Type DrawDebugType,
    FHitResult & OutHit,
    bool bIgnoreSelf,
    FLinearColor TraceColor,
    FLinearColor TraceHitColor,
    float DrawTime
)

Remarks

Does a collision trace along the given line and returns the first blocking hit encountered. This trace finds the objects that RESPONDS to the given TraceChannel

Returns

True if there was a hit, false otherwise.

Parameters

Parameter	Description
WorldContext	World context
Start	Start of line segment.
End	End of line segment.
TraceChannel
bTraceComplex	True to test against complex collision, false to test against simplified collision.
OutHit	Properties of the trace hit.

Select Skin

Light

Dark