本应用使用 Esoteric Software LLC 的 Spine Runtimes 实现骨骼动画播放。
依据 Spine Runtimes License Agreement，随本应用附带以下许可协议全文与版权声明（协议原文为英文，以英文为准）：
This application uses the Spine Runtimes by Esoteric Software LLC for skeletal animation.
In accordance with the Spine Runtimes License Agreement, the full license and copyright notice are reproduced below:
Spine Runtimes License Agreement Last updated April 5, 2025. Replaces all prior versions. Copyright (c) 2013-2025, Esoteric Software LLC Integration of the Spine Runtimes into software or otherwise creating derivative works of the Spine Runtimes is permitted under the terms and conditions of Section 2 of the Spine Editor License Agreement: https://esotericsoftware.com/spine-editor-license Otherwise, it is permitted to integrate the Spine Runtimes into software or otherwise create derivative works of the Spine Runtimes (collectively, "Products"), provided that each user of the Products must obtain their own Spine Editor license and redistribution of the Products in any form must include this license and copyright notice. THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.