* 添加子 Transform 组件 * * 建立父子层级关系。如果子对象已经是当前对象的子对象， * 会将其移动到子列表末尾。如果子对象已经有其他父对象， * 会先从原父对象移除。 * * @param child - 子游戏对象的 Transform 组件

Add resource configs

* 添加子游戏对象 * * 建立父子层级关系。子对象的变换会相对于父对象进行计算。 * 如果子对象已经有父对象，会先从原父对象移除。 * * @param gameObject - 要添加的子游戏对象 * * @throws 如果参数不是 GameObjec

Translates the physics constraint so next {@link #update(Physics)} forces are applied as if the bone moved an additional * amount in world space.

Get resource by name

* 移除子 Transform 组件 * * 断开与子对象的父子关系，子对象不会被销毁。 * * @param child - 子游戏对象的 Transform 组件

Destroy game instance

Sets the time of the specified keyframe.

Returns the Bezier interpolated value for the specified time. * @param frameIndex The index into {@link #getFrames()} for the values of the frame b

* Helper: create a colored box with optional text label

* Add system * @param S - system instance or system Class * @typeParam T - system which extends base `System` class * @typeparam U - type of

@return May be null.

* 播放指定动画 * * 如果骨架尚未加载完成，动画操作将被加入等待队列。 * * @param name - 动画名称，不指定则使用 animationName 属性 * @param loopAnimation - 是否循环播放，默认跟随 autoPlay 属性

Rotates the physics constraint so next {@link #update(Physics)} forces are applied as if the bone rotated around the * specified point in world spa

* Checks if the x and y coordinates given are contained within this hit area. * @returns Whether the x and y coordinates are contained within this

Transforms the attachment's local {@link #vertices} to world coordinates. If the slot's {@link Slot#deform} is * not empty, it is used to deform th

* 获取指定名称的骨骼 * * 可用于直接操作骨骼的位置、旋转、缩放等属性。 * * @param boneName - 骨骼名称 * @returns 骨骼对象，如果未找到则返回 undefined

* getProp by data * @private * @param {*} elem element node * @param {*} data property data * @param {*} type is multidimensional value or not *

Transforms local vertices to world coordinates. * @param start The index of the first local vertex value to transform. Each vertex has 2 values, x

* Dispatches the given event * @param e - The event to dispatch. * @param type - The type of event to dispatch. Defaults to `e.type`.

* 注册渲染器 * * 将渲染器添加到管理器，并为其设置必要的引用。 * * @param renderers - 要注册的渲染器列表

* Get system * @param S - system class or system name * @returns system instance

* 每帧更新物理状态 * * 将物理引擎计算的位置和旋转同步到游戏对象的 Transform 组件。

* Notify all the listeners to the event's `currentTarget`. * * If the `currentTarget` contains the property `on<type>`, then it is called here,

* a * @private * @param {*} len a * @return {*}

* Frees the event and puts it back into the event pool. * * It is illegal to reuse the event until it is allocated again, using `this.allocateEv

Start preload