public void setDirectionType(Direction directionType) {
        this.directionType = directionType;
    }
Sets the direction type of the target.
On each update the direction given to the target can have different behavior.
See the Direction Enum for explanations.
@param directionType the direction type.
jme3-core/src/main/java/com/jme3/cinematic/events/MotionEvent.java