add applications of textures and introduction of geometry to lecture notes

Author: Sophomore42

_code/computer_graphics/GAMES101/lecture10_geometry_introduction.md

@@ -4,4 +4,16 @@ date: 2024-12-23
 url: https://www.bilibili.com/video/BV1X7411F744?p=10
 tags:
   - computer_graphics
----
+---
+
+## Applications if textures
+
+纹理=内存+范围查询(过滤)
+
+环境光照 Environment Map，假定光源无限远。
+
+## Introduction of geometry
+
+### Example if geometry
+
+### Various representations of geometry