Method for time based shadow rendering

Details Method for time based shadow rendering Method for time based shadow rendering

G - Physics

06

T

G06T 15/60 (2006.01)

Patent

CA 2291408

A method for rendering large-area time-based shadows. A first step is to pre-process a database of three dimensional constructs that define all primitives and attributes of the primitives in a three dimensional simulated environment. The pre-processing step determines the time relevant behavior of the shadows by calculating an angle at which the primitive is illuminated, and an angle at which illumination ceases. The second step is to process the database at run-time using the pre-processed database of three dimensional constructs and pre- calculated illumination and no-illumination angles.

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