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Zoom, Rotate, and Translate or Pan In A Single Gesture

  • US 20150040073A1
  • Filed: 03/15/2013
  • Published: 02/05/2015
  • Est. Priority Date: 09/24/2012
  • Status: Abandoned Application
First Claim
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1. A computer-implemented method for navigating a virtual camera in a three-dimensional environment on a mobile device having a touch screen, comprising:

  • (a) receiving a first user input indicating that two or more objects have touched a view of the mobile device;

    (b) determining two or more target locations on a surface of the three-dimensional environment corresponding to the two or more objects touching the view of the mobile device;

    (c) receiving a second user input indicating that the two objects have performed a motion while touching the view of the mobile device;

    (d) determining updated camera parameters for the virtual camera, based on the received second user input, such that the two or more target locations determined in (b) remain corresponding to the two or more objects touching the view of the mobile device; and

    (e) moving the virtual camera within the three dimensional environment according to the updated camera parameters, wherein moving the virtual camera comprises at least two of zooming, rotating, tilting, and panning the virtual camera.

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