1. Summarize the ray tracing technique. 2. Describe the underlying math equations for a collision between a ray and a sphere. 3. Describe how color values at a pixel are calculated. 4. Describe how the scene is setup. 5. Describe how shadows, reflection, and refraction work in these simulated scenes. 6. Additional discussion on the state of the art in ray tracing. Why has it taken so long for ray tracing to take off? What recent innovations has allowed for the expanded use of ray tracing technology? Is real-time ray tracing a thing?
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