Plan-for-Adding-Diffusion-Effect.md

+# Lighting Setup
+
+<details>
+<summary>
+
+## Light Type
+
+</summary>
+
+1. Directional Light
+   * Sunlight
+2. Point Light
+   * Light bulb
+3. Spot Light
+   * Cone
+
+</details>
+<details>
+<summary>
+
+## Light Source
+
+</summary>
+
+1. Position
+2. Color
+3. Intensity
+4. Attenuation
+
+</details>
+<details>
+<summary>
+
+## Light Property
+
+</summary>
+
+1. Direction (for Directional only, like sunlight)
+2. Attenuation (for point light and spot light)
+
+</details># Shading Model
+
+NA
+
+# Material Properties (Diffuse Color)
+
+NA
+
+# Normal Vector
+
+NA
+
+# 
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