Method and apparatus for generating and interfacing with rigid and deformable surfaces in a haptic virtual reality environment
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Jan 21, 1998
filing date -
Jan 21, 1998
priority date (Note) -
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Abstract
A method for haptically deforming a virtual surface within a haptic virtual environment is used to plastically deform the virtual surface of a virtual object by sensing a user's position in real space, determining a haptic interface location in the haptic environment based thereon, and determining whether the virtual surface collides with the haptic interface location. Upon detection of a collision above a threshold force, a visual representation of the virtual surface is plastically deformed and a corresponding force is calculated and fed back to the user. The virtual surface can be visco-elastically deformed.
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