Raytracing

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Poisson is French for “Fish”CSE 472 Spring 201339BTW…The rods and cones in the eyeapproximate a Poisson distribution• Well, what do you know about that!!CSE 472 Spring 201340
Antialiasing Ray TracingCPoisson2D poissonPoisson.SetMinDistance( 1 / (2 * sqrt(antialiascnt) )for r = 0 to height-1for c = 0 to width-1poisson.reset()color = (0, 0, 0)for a=1 to antialiascntp = poisson.generate()ray.origin = (0, 0, 0)ray.direction.x = xmin + (c + p.x) / width * xwidray.direction.y = ymin + (r + p.y) / height * ywidcolor += RayColor(ray)color /= antialiascntpixel(r, c) = RangeBound(color)CSE 472 Spring 201341No AntialiasingCSE 472 Spring 201342
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