UE4 - C++ 射线捕捉

#include "Runtime/Engine/Classes/Kismet/KismetMathLibrary.h"

//省略大部分代码
void AMyFPS_Character::OnMoveingOrRot()
{
    GetActorLocation();
    //LineTraceSingle_NEW();
    if (GEngine != nullptr)
    {
        FHitResult hit;
        auto temp_startPos = GetActorLocation();
        auto temp_rota = GetActorRotation();

        auto temp_endPos = FRotationMatrix(temp_rota).GetScaledAxis(EAxis::X) * 500.0f; // + 
        //hit.
        m_bodyInstance.LineTrace(hit, temp_startPos, temp_endPos, false, false);
        if (hit.Actor != nullptr && hit.Actor != this)
        {
            m_operaTarget = hit.Actor;
        }
    }
}