Fun with transforms

fail.m

CGAffineTransform hideTransform = CGAffineTransformConcat(
                                    CGAffineTransformMakeScale(0, 0),
                                    CGAffineTransformMakeTranslation(
                                      powerupButton.center.x - self.view.powerupView.center.x,
                                      powerupButton.center.y - self.view.powerupView.center.y
                                    )
                                  );
[UIView animateWithDuration:0.3
                      delay:0
     usingSpringWithDamping:0.7
      initialSpringVelocity:0
                    options:0
                 animations:^
      {
        self.view.powerupView.transform = hideTransform;
        self.view.powerupView.alpha  = 0;
      }
                 completion:^(BOOL finished)
      {
        self.view.powerupView.hidden = YES;
        self.view.powerupView.transform = CGAffineTransformIdentity;
      }];

works.m

CGAffineTransform hideTransform = CGAffineTransformConcat(
                                    CGAffineTransformMakeScale(0.0001, 0.0001),
                                    CGAffineTransformMakeTranslation(
                                      powerupButton.center.x - self.view.powerupView.center.x,
                                      powerupButton.center.y - self.view.powerupView.center.y
                                    )
                                  );
                                  
[UIView animateWithDuration:0.3
                      delay:0
     usingSpringWithDamping:0.7
      initialSpringVelocity:0
                    options:0
                 animations:^
      {
        self.view.powerupView.transform = hideTransform;
        self.view.powerupView.alpha  = 0;
      }
                 completion:^(BOOL finished)
      {
        self.view.powerupView.hidden = YES;
        self.view.powerupView.transform = CGAffineTransformIdentity;
      }];