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Unreal Engine C++ API Reference > Runtime > Engine > Engine > UWorld
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 |
bool LineTraceSingleByChannel
&40;
struct FHitResult & OutHit,
const FVector & Start,
const FVector & End,
ECollisionChannel TraceChannel,
const FCollisionQueryParams & Params,
const FCollisionResponseParams & ResponseParam
&41; const
Remarks
Trace a ray against the world using a specific channel and return the first blocking hit TRUE if a blocking hit is found
Parameters
| Name | Description |
|---|---|
| OutHit | First blocking hit found |
| 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 |