* get the type by Object.prototype.toString * @ignore * @param {*} val * @return {String} type string value

Add resource destroy function

Sets the specified key frame to stepped interpolation.

* 主循环更新方法 * * 使用补帧循环：当实际时间跨越多个帧间隔时，循环执行多次固定步长更新， * 确保在 RAF 被节流（如低电量模式）时游戏时间仍与真实时间同步。 * 设置最大补帧数上限，避免长时间挂起后一次性执行过多更新。

Add resource instance function

Shrinks the storage for Bezier curves, for use when <code>bezierCount</code> (specified in the constructor) was larger * than the actual number of

* Stop this event from propagating to the next {@link FederatedEventTarget}. The rest of the listeners * on the {@link FederatedEventTarget.current

* 添加每帧执行的回调函数 * @param fn - 回调函数，每帧会接收帧信息参数

The propagation path for this event. Alias for {@link EventBoundary.propagationPath}.

* Creates an event whose {@code originalEvent} is {@code from}, with an optional `type` and `target` override. * * The event is allocated using

* Helper: create a section title

@returns May be null.

* 获取变化事件列表 * @returns 所有记录的变化事件

* 将无障碍元素设置到对应的位置 * @param element DOM 元素 * @param transform 位置属性

* Adds an event mapping for the event `type` handled by `fn`. * * Event mappings can be used to implement additional or custom events. They take

* Emits the event {@code e} to all interactive containers. The event is propagated in the bubbling phase always. * * This is used in the `global

* 只计算变换后的 X 坐标 * 基于矩阵变换公式：x' = x * a + y * c + tx * @param {number} x - 原始 X 坐标 * @param {number} y - 原始 Y 坐标 * @param {number} z - 原始 Z 坐

* 只计算变换后的 Y 坐标 * 基于矩阵变换公式：y' = x * b + y * d + ty * @param {number} x - 原始 X 坐标 * @param {number} y - 原始 Y 坐标 * @param {number} z - 原始 Z 坐

Pause game

* get layer by classname or idname * <br/> `Note:` only can use after data was setup or after DisplayReady event * @param {string} selector laye

* Remove system from this game * @param system - one of system instance / system Class or system name

Sets this bone's local transform to the setup pose.

Calculates {@link #uvs} using the {@link #regionUVs} and region. Must be called if the region, the region's properties, or * the {@link #regionUVs}

Computes the world transform using the parent bone and the specified local transform. The applied transform is set to the * specified local transfo

* convert relative position to absolute * @private * @param {path} path path data

@return May be null.

Finds a slot by comparing each slot's name. It is more efficient to cache the results of this method than to call it * repeatedly. * @returns Ma

* Use this method to instantiate a Spine game object. * Before instantiating a Spine game object, the skeleton (`.skel` or `.json`) and the atlas t

Add resource configs and then preload