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VisualShaderNodeScreenUVToSDF

继承： VisualShaderNode < Resource < RefCounted < Object

将屏幕 UV 转换为 SDF（带符号距离场）的函数，在可视化着色器图中使用。

描述

翻译为着色器语言中的 screen_uv_to_sdf(uv)。如果该 UV 端口未被连接，则改用 SCREEN_UV。