The ornamental design for a motioncontroller, as shown and described.
FIG. 1 is a front view of the motion controller showing the new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top side view thereof;
FIG. 6 is a bottom side view thereof; and,
FIG. 7 is a perspective view thereof.
The shade lines in the Figures show contour and not surface ornamentation. The motion controller is an accessory for somatosensory games, the motion controller collects and recognizes the movements and postures of the human body in order to realize the synchronous control of the robot's actions.