ios - タップ ジェスチャで奇妙な動作が発生する

Question

ユーザーがターゲットドットをタップする必要がある反応テストを構築していますが、他の非ターゲットドットはダウンします。ほとんどの場合は機能しますが、ターゲットのドットをタップすると、奇妙な動作をする他のいくつかのドットが表示されることがあります。何日もコードを見てきましたが、問題が見つかりません。誰か提案はありますか？どうもありがとう。これがコードです。

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];

    // single tap gesture recognizer
    self.myTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(theTap:)];
    self.myTap.numberOfTapsRequired = 1;
    [self.firstView addGestureRecognizer:self.myTap];

    self.myTap.enabled = NO;

    self.colorToHit = self.colorFromPreviousController;

    [self KickOff];
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.holdTheReactionTimes = [[NSMutableArray alloc] initWithCapacity:50];
    self.firstTime = YES;
    numberOfTries = 0;

}

#pragma mark - Utility Methods
- (void)setRandomLocationForView:(UIView *)view
{

    CGRect sinkBounds = CGRectInset(self.firstView.bounds, view.frame.size.width/2, view.frame.size.height/2);

    CGFloat x = arc4random() % (int)sinkBounds.size.width + view.frame.size.width/2;
    CGFloat y = arc4random() % (int)sinkBounds.size.height + view.frame.size.height/2;

    view.center = CGPointMake(x, y);
}

- (void)addLabel
{
    [self stopDraining];

    static NSArray *buttons = nil;

    buttons = [[NSArray alloc] initWithObjects:
               @"XX.png",
               @"YY.png",
               @"ZZ.png",
               nil];

    int theIndex = arc4random()%[buttons count]; 
    NSLog(@"the index: %d", theIndex);
    NSString *theImageName = [buttons objectAtIndex:theIndex];
    CGRect anotherFrame = CGRectMake(10, 10, 64, 64);
    UIView *anotherView = [[UIView alloc] initWithFrame:anotherFrame]
    UIImageView  *imageView1 = [[UIImageView alloc] initWithFrame:CGRectMake(-2, -2, 64, 64)];
    imageView1.image = [UIImage imageNamed:theImageName];
    [anotherView addSubview:imageView1];

    [self setRandomLocationForView:anotherView];
    [self.firstView addSubview:anotherView];

    NSDate *date = [NSDate date];
    timeOne = [date timeIntervalSince1970];    
    if (theIndex == self.colorToHit) {
        NSLog(@"the right color");
        self.isThisTheRightColor = YES;
        self.myTap.enabled = YES;
        numberOfTries += 1;

    } else {
        NSLog(@"the wrong color");
        self.isThisTheRightColor = NO;
        self.myTap.enabled = NO;
        [self startDraining];
    }
}

#pragma mark - View Animation
#define ANIMATE_DURATION 6.0
#define SLEEP_INTERVAL 0.5

- (void)theTap:(UITapGestureRecognizer *)gesture
{
    NSLog(@"Tapped");

    float tapInterval = 0;
    CGPoint tapLocation = [gesture locationInView:self.firstView];
    for (UIView *view in self.firstView.subviews) {
        if (CGRectContainsPoint(view.frame, tapLocation)) {
            NSLog(@"we hit one");
            AudioServicesPlayAlertSound(kSystemSoundID_Vibrate); // added this 4-27

            if (self.firstTime) {
                NSDate *date = [NSDate date];
                timeTwo = [date timeIntervalSince1970];
                NSLog(@"TAP First time: %f", timeTwo);
                self.firstTime = NO;
            } else {

                NSDate *date = [NSDate date];
                timeTwo = [date timeIntervalSince1970];
                NSLog(@"Second time: %f", timeTwo);
            }

            tapInterval = (timeTwo - timeOne);
            NSLog(@"Time Interval: %f", tapInterval);

            [view removeFromSuperview];

            [self writeTimeStampToArray:tapInterval];
        }
    }
}

- (void)KickOff
{
    for (UIView *view in self.firstView.subviews) {
        [view removeFromSuperview];
    }

    if (self.firstView.window) {
        [self addLabel];
    }    
}

- (void)writeTimeStampToArray:(float)timeStamp
{
    NSNumber *timeObject = [NSNumber numberWithFloat: timeStamp];
    [self.holdTheReactionTimes addObject:timeObject];

    if (numberOfTries < NUMBER_OF_TRIES) {
        [self addLabel];
    } else {
        [self nextScreen];
    }
}

- (void)nextScreen
{
    [self performSegueWithIdentifier: @"viewsummary" sender: self];
}

    }
}

#pragma mark - Flipside View

- (void)ReactionViewControllerDidFinish:(int)trynumber
{
    self.tryNumberInt = trynumber;
    [self dismissViewControllerAnimated:YES completion:nil];

}

#define COUNTER 4

//////////////
// drain logic

- (void)drain:(NSTimer *)timer
{
    [self drain];
}

#define DRAIN_DURATION 2.0

- (void)startDraining
{
    self.drainTimer = [NSTimer scheduledTimerWithTimeInterval:DRAIN_DURATION/3
                                                       target:self
                                                     selector:@selector(drain:)
                                                     userInfo:nil
                                                      repeats:YES]; 
}

- (void)stopDraining
{
    [self.drainTimer invalidate];
}

- (void)drain
{
    for (UIView *view in self.firstView.subviews) {
        CGAffineTransform transform = view.transform;
        if (CGAffineTransformIsIdentity(transform)) {
            UIViewAnimationOptions options = UIViewAnimationOptionCurveLinear;
            [UIView animateWithDuration:DRAIN_DURATION/3 delay:0 options:options animations:^{
                view.transform = CGAffineTransformRotate(CGAffineTransformScale(transform, 0.7, 0.7), 2*M_PI/3);
            } completion:^(BOOL finished) {
                if (finished) {
                    [UIView animateWithDuration:DRAIN_DURATION/3 delay:0 options:options animations:^{
                        view.transform = CGAffineTransformRotate(CGAffineTransformScale(transform, 0.4, 0.4), -2*M_PI/3);
                    } completion:^(BOOL finished) {
                        if (finished) {
                            [UIView animateWithDuration:DRAIN_DURATION/3 delay:0 options:options animations:^{
                                view.transform = CGAffineTransformScale(transform, 0.1, 0.1);
                            } completion:^(BOOL finished) {
                                if (finished) [view removeFromSuperview];
                            }];
                        }
                    }];
                }
            }];
        }
    }

    [self addLabel];

}