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STORAGE MEDIUM STORING INFORMATION PROCESSING PROGRAM, AND INFORMATION PROCESSING APPARATUS

  • US 20100286940A1
  • Filed: 07/28/2009
  • Published: 11/11/2010
  • Est. Priority Date: 05/07/2009
  • Status: Active Grant
First Claim
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1. A computer-readable storage medium storing an information processing program executed by a computer of an information processing apparatus that executes predetermined processing based on acceleration data outputted from an input device including an acceleration sensor for detecting acceleration,the information processing program causing the computer to function as:

  • data obtaining means for repeatedly obtaining the acceleration data;

    change amount calculation means for calculating, by using a history of acceleration indicated by the acceleration data, a change amount of acceleration generated in the input device; and

    gravity direction calculation means for calculating a direction of gravity of the input device by using the acceleration indicated by the acceleration data, based on the change amount of the acceleration.

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