WebGL2 理论基础 
从基础理论开始学习WebGL，稳！
这有一系列教程，从WebGL2的基本理论讲起。 它们不像大多数其他教程那样改编自旧的OpenGL文章。 它们去旧迎新，丢弃一些过时的思想，让你彻底了解WebGL的工作原理。
这些文章是专门关于的WebGL2的。 如果你对WebGL 1.0感兴趣，请去这里 如果你已经很熟悉WebGL1，你或许想看看这些文章
Table of Contents
- 基础概念
- WebGL2 vs WebGL1
- Image Processing
- 2D translation, rotation, scale, matrix math
- 三维
- Lighting
- Structure and Organization
- Geometry
- Textures
- Textures
- Data Textures
- Using 2 or More Textures
- Cross Origin Images
- Perspective Correct Texture Mapping
- Planar and Perspective Projection Mapping
- Rendering To A Texture
- Shadows
- 技术
- 2D
- 三维
- Text
- Tips
- Misc
- Setup And Installation
- Boilerplate
- Resizing the Canvas
- Animation
- Points, Lines, and Triangles
- Indexed Vertices (gl.drawElements)
- Instanced Drawing
- Multiple Views, Multiple Canvases
- Visualizing the Camera
- WebGL2 and Alpha
- 2D vs 3D libraries
- Anti-Patterns
- WebGL Matrices vs Math Matrices
- Precision Issues
- Taking a screenshot
- Prevent the Canvas Being Cleared
- Get Keyboard Input From a Canvas
- Use WebGL2 as Background in HTML
- Reference