What are some advanced techniques in C++ ray tracing?
Some advanced techniques include path tracing, photon mapping, and using acceleration structures like BVH.
Can you explain how path tracing works?
Path tracing simulates the way light travels and interacts with surfaces, providing realistic lighting effects.
What is photon mapping and how is it different from path tracing?
Photon mapping is a two-pass algorithm that first stores light paths and then uses them to render scenes, allowing for complex lighting.
How do acceleration structures improve ray tracing performance?
Acceleration structures like BVH (Bounding Volume Hierarchies) reduce the number of ray-object intersection tests, speeding up rendering.
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