UnityShader初級篇——凹凸映射

1.在切線空間下計算 Shader "Unity Shaders Book/Chapter 7/Normal Map In Tangent Space" { Properties { _Color ("Color Tint", Color) = (1,1,1,1) _MainTex("Main Tex", 2D) = "White" {} //法線紋理，bump是內置法線紋理

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