Rendering > mental ray Rendering > mental ray for Maya Shading >. Ambient occlusion refers to the blocking of indirect or diffuse light on an object. It refers to the darker areas of the object, typically creases, cracks and crevices.
Ron O'Neal, who has died of pancreatic cancer aged 66, spent most of his professional life trying to live down his role of the bad-ass Youngblood Priest in Superfly (1972), one of the key blaxploitation movies of the decade.
Image caption The hyperactive McMurphy, played by Jack Nicholson, is lobotomised in One Flew Over the Cuckoo's Nest. From the early 1940s, it began to be seen as a miracle cure here in the UK, where surgeons performed proportionately more lobotomies than even in the US.