你从toc 开始学习
https://www.gabrielgambetta.com/computer-graphics-from-scratch/table-of-contents.html
Table of contents
Introduction
Why read this?
Work in progress
About the author
Table of contents
Common concepts
The Canvas
Coordinate systems
Color models
Subtractive color model
Additive color model
Forget the details
Color depth and representation
Color manipulation
The Scene
Part I: Raytracing
Basic ray tracing
Canvas to Viewport
Tracing rays
The ray equation
The sphere equation
Ray meets sphere
Rendering our first spheres
Light
Light sources
Point lights
Directional lights
Ambient light
Illumination of a single point
Diffuse reflection
Modeling diffuse reflection
The diffuse reflection equation
Sphere normals
Rendering with diffuse reflection
Specular reflection
Modeling specular reflection
The specular reflection term
Rendering with specular reflections
Shadows
Rendering with shadows
Reflection
Rendering with reflection
Arbitrary camera
Beyond the basics
Optimization
Parallelization
Value caching
Shadow optimizations
Spatial structures
Subsampling
Other primitives
Constructive Solid Geometry
Transparency
Refraction
Supersampling
Raytracer pseudocode
Part II: Rasterization
Lines
Filled triangles
Shaded triangles
Computing edge shading
Computing interior shading
Perspective projection
The projection equation
Properties of the projection equation
Scene setup
Models and instances
Model transform
Camera transform
The transform matrix
Homogeneous coordinates
Homogeneous rotation matrix
Homogeneous scale matrix
Homogeneous translation matrix
Homogeneous projection matrix
Homogeneous Viewport-to-Canvas matrix
Practical matters
The transform matrix revisited
Clipping
Defining the clipping planes
The clipping volume
Clipping whole objects
Clipping triangles
Segment-Plane intersection
Clipping in the pipeline
Hidden surface removal
Painter’s algorithm
Depth buffering
Why 1/Z instead of Z
Back face culling
Classifying triangles
Shading
Flat shading
Gouraud shading
Phong shading
Textures
Linear filtering
Bilinear filtering
MIP maps
