The CHINGMU optical motion capture system was applied to the production of character showcase animations, narrative sequences, and interactive content within the Joy of Life game — deepening the richness and authenticity of in-game interaction. The CHINGMU system provided end-to-end support for refined motion presentation throughout game development. Motion capture in game production functions almost as a transformative force for quality elevation — enabling immersive game worlds to be built in less time and with lower labor investment, delivering vivid and rich visual experiences and gameplay for players.