1. A method of controlling a virtual object by figure motion of a user for an electronic computing device having a display comprising: providing at least one image sensor for said display of said electronic computing device to capture image of said user in front of said display, wherein said at least one image sensor includes CMOS or CCD sensor, wherein said at least one image sensor provided to detect motion of said user's figure motion to output a first control signal to a virtual object without touching said display, said user being located in front of said at least one image sensor and keeping said display with a distance and said user's figure being not over a keyboard; capturing images of said figure of said user without touching said display by said at least one image sensor; analyzing image change of said figure motion; generating a control signal in responsive to said image change of said figure motion detection; providing a vocal control through a microphone and a vocal control software of said electronic computing device to output a second control signal through voice recognition; and controlling said virtual object displayed on said display in responsive to said first, second or combination control signal without touching said display of said computing device.