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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/UKismetSystemLibrary
Description
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
| Name | LineTraceSingle |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Classes/Kismet/KismetSystemLibrary.h |
| Include Path | #include "Kismet/KismetSystemLibrary.h" |
| Source | /Engine/Source/Runtime/Engine/Private/KismetSystemLibrary.cpp |
UFUNCTION (BlueprintCallable, Category="Collision",
Meta=(bIgnoreSelf="true", WorldContext="WorldContextObject", AutoCreateRefTerm="ActorsToIgnore", DisplayName="Line Trace By Channel", AdvancedDisplay="TraceColor,TraceHitColor,DrawTime", Keywords="raycast"))
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
)
True if there was a hit, false otherwise.
Parameters
| Name | Remarks |
|---|---|
| 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. |