* Deep merge objects.

* Parse the given `str` and return milliseconds. * * @param {String} str * @return {Number} * @api private

* Returns random number inside range

* Gets random integer inside range or snap to min/max values.

* Just a wrapper to Math.random. No methods inside mout/random should call * Math.random() directly so we can inject the pseudo-random number

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

* EventEmitter 的核心就是事件触发与事件监听器功能的封装。

* Filter all four successive horizontal 4-pixel luma edges. This can be done when bS is equal to all four edges.

* Represents a WebGL shader script.

* Represents a WebGL shader object and provides a mechanism to load shaders from HTML * script tags.

* Represents a 2-dimensional size value.

* Represents a WebGL texture object.

* Coerce `val`. * * @param {Mixed} val * @return {Mixed} * @api private