//This time spawn location and rotation is ok. But the actor doesnt collide with the floor

ASomeThing::ASomeThing(const FObjectInitializer &ObjectInitializer) :Super(ObjectInitializer)
{

    Mesh = ObjectInitializer.CreateDefaultSubobject<UStaticMeshComponent>(this, TEXT("PickupMesh"));

    static ConstructorHelpers::FObjectFinder<UStaticMesh> StaticMesh(TEXT("StaticMesh'/Game/ThirdPerson/Meshes/Ramp_StaticMesh'"));
    static ConstructorHelpers::FObjectFinder<UMaterial> Material_Blue(TEXT("MaterialInstanceConstant'/Game/StarterContent/Materials/M_Water_Lake.M_Water_Lake'"));

    Mesh->SetSimulatePhysics(true);
    Mesh->SetStaticMesh(StaticMesh.Object);
    Mesh->SetMaterial(0, Material_Blue.Object);
    Mesh->GetCollisionEnabled();
    RootComponent = Mesh;

    // Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
    PrimaryActorTick.bCanEverTick = true;

}