How to Read This Book
Each chapter is presented as a series of tests covering a small piece of the overall ray tracer. Since each one builds on previous chapters, you’ll be most successful if you read them in sequence.
You’ll implement your ray tracer in test-first style, writing a few tests at a time and making them pass by implementing the corresponding functions and features in code. The first half of the book is structured to take you smoothly from test to test, but as you get into the second half of the book, the pace picks up. With greater experience comes greater responsibility! You’ll still be given the tests, but there will be less hand-holding, and the tests will be presented in a more linear fashion, almost like a checklist.
Each ...
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