取得连接池中的连接 @return

* calculate the rotation degrees between two pointersets * @param {Array} start array of pointers * @param {Array} end array of pointers * @retu

* calculate the scale factor between two pointersets * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out * @par

* calculate the velocity between two points. unit is in px per ms. * @param {Number} deltaTime * @param {Number} x * @param {Number} y * @retu

初始化数据源

* Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private

装配配置文件

* Localstorage attempts to return the localstorage. * * This is necessary because safari throws * when a user disables cookies/localsto

* Long format for `ms`. * * @param {Number} ms * @return {String} * @api private

* Select a color. * * @return {Number} * @api private

* Short format for `ms`. * * @param {Number} ms * @return {String} * @api private

连接池启动

* get a usable string, used as event postfix * @param {Const} state * @returns {String} state

* trigger dom event * @param {String} event * @param {Object} data

* This recognizer is just used as a base for the simple attribute recognizers. * @constructor * @extends Recognizer