@property(readwrite) double inputValue;
-(void) trigger: (JoystickController *)jc;
-(void) untrigger: (JoystickController *)jc;
--(void) update: (JoystickController *)jc;
+- (BOOL)update:(JoystickController *)jc;
-(NSString*) stringify;
+(Target*) unstringify: (NSString*) str withConfigList: (NSArray*) configs;