This was not an entirely new approach: dancing games that use cameras or dance MATS as controllers have proved popular in recent years.

这并非是全新的东西：跳舞游戏使用摄像头和跳舞毯作为控制器在最近几年大行其道就是证明。

youdao

Michael Pachter, a video-games analyst at Wedbush Morgan Securities, predicts that the Wii will spawn a whole new generation of fitness and calisthenics games, going far beyond existing titles that use dance mats or video cameras (such as the EyeToy, which works with PlayStation consoles) to detect players' actions.

ECONOMIST: Monitor