* - The armature data. * @see dragonBones.ArmatureData * @version DragonBones 4.5 * @language en_US */ * - 骨架数据。 * @see drago

辅助函数：矩阵乘法

TODO lsc check

return 1 if the sum is valid, 0 on overflow. negative terms are considered invalid.

Get the error code.

Check whether the array is empty.

Erase a value in a subtree. ! \param root Root value of a DOM sub-tree to be resolved. It can be any value other than document root. \

Get the length of string. ! Since rapidjson permits "\\u0000" in the json string, strlen(v.GetString()) may not equal to v.GetStringLength(). */

Whether the result is an error.

Check whether this is a valid pointer.

Get the error offset, if \ref IsError(), 0 otherwise.

enabled via kParseNumbersAsStringsFlag, string is not null-terminated (use length)

* Clears all pending animation commands from the queue. * This should be called before loading a new model to prevent * old commands from ex

辅助函数：创建和编译着色器

* - Get a specific DragonBonesData instance. * @param name - The DragonBonesData instance cache name. * @returns DragonBonesData instance

* - Forces the bone to update the transform in the next frame. * When the bone is not animated or its animation state is finished, the bone will