public static Tween callMethod(Object target, String method, Object... args) {
        return new CallMethod(target, method, args);
    }
Creates a Tween that will call the specified method and optional arguments
whenever supplied a time value greater than or equal to 0.  This creates
an "instant" tween of length 0.

@param target object on which the method is to be invoked
@param method name of the method to be invoked
@param args arguments to be passed to the method
@return a new instance
jme3-core/src/main/java/com/jme3/anim/tween/Tweens.java