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Shadow Buffers
A significant portion of the object-ray intersections are used to compute shadow rays.
Idea:
Enclose each light source with a cube
Subdivide each face of the cube and determine the potentially visible objects that could be projected into each subregion
Keep a list of objects at each subdivision cell
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VRarchitect
<
ANU lectures
:
Computer Graphics
:
Global Illumination
>
[
Contact
]
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[
Prev. : 40 / 49 : Spatial Subdivision
]
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[
Next : 42 / 49 : Radiosity
]