Painting With Light
summary
A hobby project implements a Go path tracer that uses Monte Carlo integration to trace camera rays and converge noisy images into photorealism; Go runs about 15× faster than the JavaScript prototype and a live demo renders a gopher interactively. Mentions real-world milestones: Monster House (2006) first full rendering-equation film, Pixar goes all-path-tracing in 2016, Deadpool’s opening 90 seconds are fully CG, and Big Hero 6 averages 83 hours per frame on 4,600 servers while GPU ray tracing reaches commodity hardware.
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