UE::Geometry::Orientation

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API > API/Runtime > API/Runtime/GeometryCore > API/Runtime/GeometryCore/Implicit

References

namespace UE  
{  
    namespace Geometry  
    {  
        template<typename RealType>  
        int UE::Geometry::Orientation  
        (  
            RealType X1,  
            RealType Y1,  
            RealType X2,  
            RealType Y2,  
            RealType & TwiceSignedArea  
        )  
    }  
}  
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namespace UE {     namespace Geometry     {         template<typename RealType>         int UE::Geometry::Orientation         (             RealType X1,             RealType Y1,             RealType X2,             RealType Y2,             RealType & TwiceSignedArea         )     } }

Remarks

Calculate twice signed area of triangle (0,0)-(X1,Y1)-(X2,Y2) return an SOS-determined sign (-1, +1, or 0 only if it's a truly degenerate triangle)