* - 创建一个工厂实例。 （通常只需要一个全局工厂实例） * @version DragonBones 3.0 * @language zh_CN

* require lottie data about this layer * @param {object} layer lottie data about this layer * @param {object} session parse session data

* Tween.Ease.Bezier * @param {*} x1 control point-in x component * @param {*} y1 control point-in y component * @param {*} x2 control p

* a * @private * @param {*} length a

* cubic-bezier曲线的两个控制点，默认起始点为 0，结束点为 1 * * @class * @private * @param {number} mX1 控制点1的x分量 * @param {number} mY1 控制点1的y分量 * @param {number} mX2

* require lottie data about this layer * @param {object} layer lottie data about this layer * @param {object} session parse session data

* require lottie data about this layer * @param {object} _ lottie data about this layer * @param {object} session parse session data

* require lottie data and parse session about this layer * @param {object} layer lottie data about this layer * @param {object} session parse se

* Pingpong * @param {*} type Pingpong * @param {*} begin Pingpong * @param {*} end Pingpong

* a * @param {*} elem a * @param {*} data a * @param {*} container a

* constructor ellipse shape property * @param {*} elem element node * @param {*} data shape value property data

* Eventer constructor

* a

* constructor GradientProperty * @param {*} elem element node * @param {*} data gradient property data * @param {*} container container

* Tween.Elastic.In * @param {number} k 0 - 1 time progress * @return {number}

* Tween.Elastic.InOut * @param {number} k 0 - 1 time progress * @return {number}

* constructor keyframed multidimensional value property * @param {*} elem element node * @param {*} data keyframed multidimensional value proper

* constructor keyframed shape property * @param {*} elem element node * @param {*} data shape value property data * @param {*} type shape pro

* constructor keyframed unidimensional value property * @param {*} elem element node * @param {*} data keyframed unidimensional value property d

* a * @param {*} o a * @param {*} sw a * @param {*} sc a * @param {*} fc a * @param {*} m a * @param {*} p a

* a * @param {*} elem a * @param {*} masksProperties a

* @private

* constructor multidimensional value property * @param {*} elem element node * @param {*} data multidimensional value property data * @param

* Tween.Linear.None * @param {number} k 0 - 1 time progress * @return {number}

* require lottie data and parse session about this layer * @param {object} layer lottie data about this layer * @param {object} session parse se

* Tween.Elastic.Out * @param {number} k 0 - 1 time progress * @return {number}

* Pingpong * @param {*} type Pingpong * @param {*} begin Pingpong * @param {*} end Pingpong

* @inheritDoc