Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1997-07-03
1999-03-16
Katbab, A.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
G06F 300
Patent
active
058836284
ABSTRACT:
The problem addressed by this invention is that of resolving what occurs when a user's viewpoint comes into contact with an object residing in a three-dimensional workspace as the viewer navigates through that workspace. There are several possibilities in such a situation. For example, the viewer's viewpoint may be stopped and prevented from advancing further or it may penetrate the object. The instant invention provides a climbability property for objects in 3-D virtual environments. This property, when stored in the software along with the properties which define that object, can alter the viewer's viewpoint such that it will automatically be adjusted to simulate the behavior of climbing over the object.
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Spinney, L., "Seeing is unfreezing," New Scientist V. 153, Feb. 1997, p. 38-40.
Jacobson, J., "Collision avoidance in virtual environments," 1997 IEEE Int. Conf. on SMC pp. 1704-1709.
Bardon Didier Daniel Claude
Berry Richard Edmond
Isensee Scott Harlan
Martin Shirley Lynn
Mullaly John Martin
International Business Machines - Corporation
Katbab A.
Kraft Paul
LandOfFree
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