If the resolution is not increased, the shadows will be jagged, shapeless and unclear, but reducing the projection area will result in a very short shadow distance, objects a little further away will lose their shadows. The regular shadow map has a serious drawback: when the projection area is large, a very high-resolution shadow map texture is needed to achieve a good shadow effect, which may exceed the limits of the hardware capacity. Surface Shader also makes it easier to provide a variety of common and complex materials to users in Cocos Creator.
And you can get a lot of public features from the unified process, such as unified environment lighting, rendering debug view etc. The advantages over the older version (Legacy Shader) are easier to write and maintain, better version compatibility, and less prone to rendering errors. Surface Shader uses a unified rendering process and structure that allows users to write shaders that focus on surface material without anything related to the lighting model. Download Link Important updates Rendering Surface Shader Due to the large number of updates (engine: 1110 commits, editor core: 678 commits), only the relatively important ones are listed here. This version has significant improvements in rendering, editor features, performance, and enhancements in stability and compatibility of the engine. Cocos Creator 3.6 is an important milestone for Cocos Engine, and it also has the longest iteration since Cocos Creator 3.0.
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