GAME MACHINE, AND CONTROL METHOD AND COMPUTER PROGRAM USED THEREFOR

PROBLEM TO BE SOLVED: To provide a game machine capable of appropriately controlling drawing of an instruction mark by taking account of a change in appearance of three-dimensional objects.SOLUTION: The game machine generates an image generated by observing, from a prescribed point of view, a situation where a plurality of three-dimensional objects corresponding to instruction marks for instructing a user to execute each of a plurality of postures, move along a prescribed route in a virtual three-dimensional space, while holding a time interval of a time when each posture should be executed. The game machine includes: determination means that determines, according to prescribed conditions, by which of a plurality of types of three-dimensional objects KO1 and KO2, where at least any of the shape and size thereof are mutually different, the instruction mark should be drawn; and selection control means that controls a selection of the three-dimensional objects such that each instruction mark is drawn by one type of three-dimensional object selected from the plurality of types of three-dimensional objects in compliance with the determination result of the determination means. 【課題】３次元オブジェクトの見え方の変化を考慮して指示標識の描画を適切に制御することが可能なゲーム機を提供する。【解決手段】ユーザが行うべき複数の所作のそれぞれを指示する指示標識に対応する複数の３次元オブジェクトが、各所作の行われるべき時期の時間間隔を保ちつつ仮想３次元空間の所定の経路に沿って移動する様子を所定の視点から観察した画像を生成するゲーム機において、前記指示標識が、形状及び大きさの少なくとも一方が互いに異なる複数種類の３次元オブジェクトＫＯ１、ＫＯ２のいずれにより描画されるべきかを所定の条件に従って判別する判別手段と、各指示標識が複数種類の３次元オブジェクトから判別手段の判別結果に従って選択された一種類の３次元オブジェクトにより描画されるように３次元オブジェクトの選択を制御する選択制御手段とを設ける。【選択図】図５