for example，when the man look at one direction，based Waving your hands rate，move tho the direction use the different rate！！！Help me？i am vary tired to design the program because i just use the engine for 2 months！thanks everybody look at the message！
I believe you are looking for a sort of arm swing locomotion. This tutorial can get you started but you will have to modify it a bit to turn the swinging into waving. The principles are anyway the same:
