Bleep is a slave to the rhythm, which he is moving to constantly. The rhythm happens to be sine and cosine curves. You can control Bleep's arm movements by adjusting the amount of rotation about a certain axis. You can also adjust his eyelids and pupils. Source Code: Matrix3D.java Matrix3D_FK.java Bleep.java ParamSphere.java ParamCone.java ParamCylinder.java ParamConeTapered.java ParamSurface.java Slider.java Button.java Widget.java