public boolean hasChange(UDPKeys old) {
        if(old == null) return true;
        
        if(this.keySpacePressed != old.keySpacePressed) return true;
        if(this.keyRightPressed != old.keyRightPressed) return true;
        if(this.keyLeftPressed != old.keyLeftPressed) return true;
        if(this.keyGatherPressed != old.keyGatherPressed) return true;
        if(this.keyRobotPressed != old.keyRobotPressed) return true;
        
        return false;
    }