Layering method for feather animation
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United States of America Patent
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-
Jan 19, 2010
Grant Date -
Nov 22, 2007
app pub date -
Apr 21, 2006
filing date -
Apr 21, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of animating feather elements includes: specifying initial positions for a skin surface and for feather elements; specifying positions for the skin surface at an animated time; determining a feather-ordering sequence for placing the feather elements on the skin surface; determining positions for skirt elements that provide spatial extensions for the skin surface at the animated time; determining positions for feather-proxy elements that provide spatial extensions for the feather elements at the animated time; and determining positions for the feather elements at the animated time by extracting the feather elements from the feather-proxy elements. The feather-proxy elements are determined from the skirt elements according to the feather-ordering sequence, and the feather-proxy elements satisfy a separation criterion for avoiding intersections between the feather-proxy elements.
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Cited Art Landscape
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