Apparatuses, methods, computer programming, and propagated signals for modeling motion in computer applications
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 30, 2004
Grant Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Apr 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hierarchical 3D graphics model can be viewed as a hierarchical graph of its nodes and their associated motions, with the mathematical type of motions graphically indicated. A user can click on a displayed motion to edit it. A motion API provides one or more of the following features: (1) spatial predicate functions; (2) functions for scaling motion intensity; (3) classes for shake, spin, and swing motions; (4) motion classes with a GUI interfaced for defining their duty cycle; (5) functions for defining and computing 0.sup.th through 2.sup.nd order derivatives of 3D position and orientation as function of time; (6) behaviors that constrain motions by boundaries in which the constraint is a reflection, clamp, andor onto constraint, or in which the boundary is a composite boundary. Motions can be defined by successive calls to an API and then be saved in a file.
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