UWorld::LineTraceMultiByChannel

Trace a ray against the world using a specific channel and return overlapping hits and then first blocking hit Results are sorted, so a blocking hit (if found) will be the last element of the array Only the single closest blocking result will be generated, no tests will be done after that

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References

Module

Engine

Header

/Engine/Source/Runtime/Engine/Classes/Engine/World.h

Include

#include "Engine/World.h"

Source

/Engine/Source/Runtime/Engine/Private/Collision/WorldCollision.cpp

Syntax

bool LineTraceMultiByChannel
(
    TArray < struct FHitResult > & OutHits,
    const FVector & Start,
    const FVector & End,
    ECollisionChannel TraceChannel,
    const FCollisionQueryParams & Params,
    const FCollisionResponseParams & ResponseParam
) const

Remarks

Trace a ray against the world using a specific channel and return overlapping hits and then first blocking hit Results are sorted, so a blocking hit (if found) will be the last element of the array Only the single closest blocking result will be generated, no tests will be done after that

Returns

TRUE if OutHits contains any blocking hit entries

Parameters

Parameter

Description

OutHits

Array of hits found between ray and the world

Start

Start location of the ray

End

End location of the ray

TraceChannel

The 'channel' that this ray is in, used to determine which components to hit

Params

Additional parameters used for the trace

ResponseParam

ResponseContainer to be used for this trace

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