ECS Unity方案 https://docs.unity3d.com/Packages/com.unity.entities@0.14/manual/index.html 文章 https://ajmmertens.medium.com/why-storing-state-machines-in-ecs-is-a-bad-idea-742de7a18e59 开源库 https://github.com/skypjack/EnTT https://github.com/SanderMertens/flecs