Realistic lighting, shadows, and reflections are what make graphics feel alive. Whether you're crafting a game, an animation, or a scientific visualization, mastering ray-tracing, ray-marching, and path-tracing gives you the power to create stunning, physically accurate visuals. These techniques aren't just for offline rendering anymore - they're becoming practical for real-time applications, thanks to the power of modern GPUs. This book is built for hands-on learning. Each chapter is a self-contained project, designed to guide you through specific techniques and concepts with fully working code. You won't just read about ray tracing - you'll implement it. You'll write shaders, optimize performance, and see your work come to life, pixel by pixel. Starting with fundamental ray-tracing principles, you'll progress to advanced topics like soft shadows, global illumination, and Monte Carlo path tracing. You'll also explore the power of ray marching for procedural visuals, signed distance fields (SDFs), and fractals. By the time you reach the later chapters, you'll be combining these methods to create hybrid rendering techniques that blend real-time performance with cinematic realism. No prior experience with ray tracing is required, but familiarity with JavaScript and basic shader programming will help. If you're comfortable writing GPU code, you'll be able to follow along and experiment with the projects to deepen your understanding. This book isn't about theory alone - it's about getting your hands dirty with code. If you're ready to build, optimize, and push the limits of ray-based rendering techniques, this book is for you.
Whether you're a beginner looking to learn the basics or an experienced professional seeking advanced knowledge, this book has something valuable to offer.
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