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3D Math and a Software Rasterizer

Build by hand every computation behind a single triangle reaching the screen.

중급 · Lessons 15 · Lab 5

Curriculum

Leaving Pixels in a File

Why an Image File Looks the Way It Does reading
Write PPM and PNG by Hand lab
Quiz: Image Files and Pixel Layout quiz

Vectors and Matrices

Model, View, Projection and the Perspective Divide

How a Single Point Reaches the Screen reading
Stand a Cube Up on the Screen lab
Quiz: Coordinate Spaces and Projection quiz

Filling Triangles and Hiding by Depth

What a Rasterizer Does reading
Triangle Filling and the Depth Buffer lab
Quiz: Rasterization and Depth quiz

Lighting and Rotation

Where Does Brightness Come From reading
Render a Rotating Solid as Eight Frames lab
Quiz: Normals and Lighting quiz

Reference docs