Substrate是虚幻引擎5的材质编辑途径，它摒弃了原有固定着色模型和混合模式的思路（例如默认光照和透明涂层），转而提供了一套表现力更强、更为模块化的框架。
Substrate材质
有关Substrate材质框架的信息和参考内容。
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