clipLine cross2Beeline cross2Line cross2LineV crossLineAbc crossLineBeeline isBetweenLine isBetweenLine2 isBetweenLine3 isColinear isColinear2 isConvex isIntersect isIntersectProp isLeft isLeft2 isLeftOn isLeftOn2 isProjectBetweenLine isProjectBetweenRayline ptInArea PtInAreaRet ptToBeeline ptToBeeline2 ptToLine

PtInAreaRet enum mglnrel::PtInAreaRet ptInArea 的返回值枚举定义 参见 ptInArea 枚举值 kPtInArea  在多边形内 kPtOutArea  在多边形外 kPtOnEdge  在第order边上 kPtAtVertex  与第order顶点重合