Pixels to a file · rayracer 1 · a ray tracer in tape

From an empty project to the sky as a PNG, a viewer of our own that keeps up with it, and Vec3 with tests. After this episode, you can: Say what an image file is: numbers, row by row — and write one by hand. Compute an image from positions (a gradient) and save it as PNG. Write a small window program that shows a picture and keeps up with its file. Use Vec3 with operators, and keep it right with tests. Chapters 0:00 Intro 0:43 A project 2:02 An image is numbers 3:27 A gradient 6:18 PNG, not PPM 10:27 A viewer of our own 14:13 It keeps up 17:19 Vectors 20:24 A module with tests 26:18 The sky Everything here is written in tape, a programming language of our own: https://www.tapelang.org Made with a combination of AI, automation and human work, and with a love for programming.