| US 7,477,243 B2 | ||
| Apparatus for controlling the shift of virtual space and method and program for controlling same | ||
| Yasuji Ogawa, Tokyo (Japan); Kouki Shimiya, Tokyo (Japan); and Jun Sakai, Tokyo (Japan) | ||
| Assigned to EIT Co., Ltd., Tokyo (Japan); and XIROKU, Inc., Tsukuba-shi (Japan) | ||
| Filed on May 29, 2003, as Appl. No. 10/447,828. | ||
| Claims priority of application No. 2002-160761 (JP), filed on May 31, 2002. | ||
| Prior Publication US 2004/0051709 A1, Mar. 18, 2004 | ||
| Int. Cl. G09G 5/00 (2006.01) | ||
| U.S. Cl. 345—204 [345/156; 345/184; 345/621; 345/629; 345/630; 345/672] | 24 Claims |
| 1. A virtual-space shift control apparatus, comprising:
a display having a display area on which a virtual space image is displayed;
a detecting element that optically detects a touch operation or a drag operation of a pointing device having a plurality of
pointing elements, performed on the display;
a viewpoint-position information generator that generates viewpoint position information of the virtual space image based
on the optically detected touch or drag operation of the detecting element; and
a three-dimensional image generator that generates data on the virtual space image seen from a viewpoint indicated by the
viewpoint position information and outputting a three-dimensional virtual image to the display, said display simultaneously
displaying a virtual plane formed of a two-dimensional view of said virtual image and said three-dimensional virtual image.
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