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This course will teach you how to create a complete raycasting engine from scratch. We'll use an algorithm similar to the one used in Wolfenstein 3D. The final project will be coded using both JavaScript and C. It will implement player movement, 2D map view, 3D wall projection, textured walls, sprites, and other optimization techniques.
This course will be divided in two important parts:
1. The first part of the course uses JavaScript to cover the theory and the math behind the raycasting algorithm. JavaScript is a simple high-level scripting language that helps us not get too distracted with implementation details.
2. The second part of the course uses the C programming language to implement a compiled version of our raycaster, including textured walls and sprites. We'll also use C to discuss important optimization and performance aspects of our code.
You'll need a web browser that can run JavaScript and a small C compiler. All these tools are cross-platform, so you can follow along with either Windows, macOS, or Linux!
The Wolfenstein 3D raycasting algorithm we'll learn is heavily based on trigonometry, so make sure you have pen and paper ready for the lectures. I will make sure we review and understand every formula we find along the way!
This course has no prerequisites. We'll cover all the math and the code as we go along, so even beginners with no prior experience are welcome to join!
Other raycasting tutorials out there are either too long or overwhelmingly complex. This course tries to be as beginner-friendly as possible.
We never skip any of the math or any other implementation detail. Everything is always taught from scratch, and you get to see the code evolving line by line in front of your eyes!
Gustavo Pezzi is a university lecturer in London, UK. He has won multiple education awards as a teacher and is also the founder of pikuma.com.
Gustavo teaches fundamentals of computer science and mathematics; his academic path includes institutions such as Pittsburg State University, City University of London, and University of Oxford.
73% of our students come back for another course
We don't offer discounts on our courses. Ever.
"I really like this course. Really well explained. It's really worth the money."
"Great Course w/ a Fun Project"
"Thank you for this marvelous course. I am a beginner in programming and this has helped me a lot. Will be taking other courses to get further learning. My main focus is demoscene, making digital art in real-time for pc. But perhaps some day in a few years to do some game development. Would also love to see a course from Pikuma that teaches a bit of artistic real-time coding, like maybe a few simple 2d and 3d effects in C or C++. There are many interesting effects but I am not good at implementing math/linear algebra to a code yet. Thanks a lot. Pikuma is a wonderful place to learn."
"An awesome course. Gustavo teaches us in an easy way, with incredible examples that really explain everything about the content, you learn and don't get that feeling of not having understood the subject."
"Loved the course. Well delivered and very interesting."
