UE::AI::SignedDistancePointLine2D

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namespace UE  
{  
    namespace AI  
    {  
        FVector::FReal UE::AI::SignedDistancePointLine2D  
        (  
            const FVector Point,  
            const FVector Start,  
            const FVector End  
        )  
    }  
}  
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signed distance of the 'Point' to infinite line defined by segment 'Start-End'. Using X and Y components of 3D vectors.