BezierCurve BezierCurve BezierCurve copy getDegree getLength getMultiplicities getPeriodic getPoles getRational isClosed mDegree mMultiplicities mPeriodic mPoles mRational Reverse setDegree setMultiplicities setPeriodic setPoles setRational ~BezierCurve

getDegree() int getDegree ( ) const 获取阶数 获取三维贝塞尔曲线的阶数 返回 阶数