| 摘要 |
To provide a game device utilizing light, which can carry out various operations by game players and utilizes lights and can play a game while keeping interest.This game device is characterized by the fact that it includes light output parts (5c, 5d, and 13) that substantially irradiate a projection light for forming an image and a function light, having a function which can be detected by a prescribed detection means, in the same direction, function light detection means, in the same direction, function light detection means (SW2 and 13) that can detect the above-mentioned function light, irradiating direction change means (50, 51, and 14) that change the irradiating direction of the light from the above-mentioned light output part, and a control means (30) that controls the irradiating direction change operation of the above-mentioned irradiating direction change means in accordance with the amount of function light detected by the above-mentioned function light detection part; that the above-mentioned function light detection means (SW2 and 13) detect a reflected function light reflected when the above-mentioned function light contacts a reflection plane (10).
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