* Get an edge vertex * @param firstOrSecond 0 or 1, depending on which one of the vertices you need. * @param vertexStore Where to store the res

* 监听键盘按下和松开的状态 * @param {KeyboardEvent} k - 键盘事件 * @returns {string|undefined} 对应的标志名称

* Compute the normal of triangle i. * @return The "target" vector object

* @param face_i Index of the face

* Get max/min in a rectangle in the matrix data * @param result An array to store the results in. * @return The result array, if it was passed i

* @param {Cesium.JulianDate} time * @param {Object=} result * @return {Object}

* Get one of the wheel axles, world-oriented.

* Returns the effective width. * * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned. *

* Indicates whether the glitch effect is currently active. * * @deprecated Use active instead. * @return {Boolean} Whether the glitch effect

* Normalize the quaternion. Note that this changes the values of the quaternion.

* 判断是否在国内。不在国内不做偏移 * @param lng * @param lat * @returns {boolean}

* 销毁键盘漫游事件 - 清理所有事件监听器并重置状态

* Add all equations

* Remove a rigid body from the simulation.

* The rotation of the focus area in radians. * * @type {Number}

* Multiply all the components of the vector with a scalar. * @param target The vector to save the result in.