Ray-Scene Intersection

• Find intersection with front-most primitive in group

A

B

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D

E

F

Intersection FindIntersection(Ray ray, Scene scene)

{

min_t = infinity

min_primitive = NULL

For each primitive in scene {

t = Intersect(ray, primitive);

if (t < min_t) then

min_primitive = primitive

min_t = t

}

}

return Intersection(min_t, min_primitive)

}

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