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Apparatus and methods for haptic rendering using a haptic camera view

  • US 9,030,411 B2
  • Filed: 05/13/2014
  • Issued: 05/12/2015
  • Est. Priority Date: 06/29/2004
  • Status: Active Grant
First Claim
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1. A system for haptically rendering a virtual object in a virtual environment, the system comprising:

  • a graphics thread of a graphics hardware pipeline that generates two-dimensional (2D) screen view rendering data for display of a 2D screen view of a three-dimensional (3D) object in a virtual environment, wherein the 2D screen view rendering data comprises data from a buffer of the graphics hardware pipeline;

    a collision thread that determines if a user-directed virtual proxy collides with at least one geometric feature within the virtual environment using the 2D screen view rendering data; and

    a servo thread that generates force to be applied to a user in real space through a haptic interface device according to input from the collision thread, wherein the servo thread is in communication with the haptic interface device.

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