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

setPeriodic() void setPeriodic ( bool  periodic ) 设置是否周期性 设置三维贝塞尔曲线是否为周期性 param[in] periodics 是否为周期性