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Game system with tilt sensor and game program including viewpoint direction changing feature

  • US 6,908,388 B2
  • Filed: 05/19/2003
  • Issued: 06/21/2005
  • Est. Priority Date: 05/20/2002
  • Status: Active Grant
First Claim
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1. A game system displaying a three-dimensional game space on a display, comprising:

  • a housing held by a player;

    a tilt sensor provided on the housing for generating output signals;

    the display provided on the housing;

    a viewpoint coordinates determination mechanism for determining coordinates of a viewpoint to be set in the game space in accordance with an output signal from the tilt sensor; and

    a game image generation processing mechanism for generating a game image indicating a three dimensional game space in which a sight point set in the game space is seen from the viewpoint based on the viewpoint coordinates determined by the viewpoint coordinates determination mechanism;

    wherein the viewpoint coordinates determination mechanism rotates the viewpoint about the sight point such that the three dimensional game space displayed on the display is tilted forward in conjunction with the housing when it is detected that the housing is tilted forward based on the output signal from the tilt sensor; and

    wherein the viewpoint coordinates determination mechanism rotates the viewpoint about the sight point such that the three dimensional game space displayed on the display is tilted backward in conjunction with the housing when it is detected that the housing is tilted backward based on the output signal from the tilt sensor.

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