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_code/computer_graphics/GAMES101/lecture07_shading_illumination.md

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@@ -32,6 +32,8 @@ Shading:着色。引入明暗与颜色。
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对不同物体应用不同材质。
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### Illumination & Shading
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A Simple Shading Model: Blinn-Phong Reflectance Model
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- 高光
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光强是平方反比衰减。
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### Illumination & Shading
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综上,漫反射强度可以定义为$L_d = k_d(I/r^2)\max(0,n \cdot l)$

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