开始抖动
-(void)BeginWobble
{
srand([[NSDate date] timeIntervalSince1970]);
float rand=(float)random();
CFTimeInterval t=rand*0.0000000001;
[UIView animateWithDuration:0.1 delay:t options:0 animations:^
{
要抖动的视图.transform=CGAffineTransformMakeRotation(-0.05);
} completion:^(BOOL finished)
{
[UIView animateWithDuration:0.1 delay:0 options:UIViewAnimationOptionRepeat|UIViewAnimationOptionAutoreverse|UIViewAnimationOptionAllowUserInteraction animations:^
{
要抖动的视图.transform=CGAffineTransformMakeRotation(0.05);
} completion:^(BOOL finished) {}];
}];
}
停止抖动
-(void)EndWobble
{
[UIView animateWithDuration:0.1 delay:0 options:UIViewAnimationOptionAllowUserInteraction|UIViewAnimationOptionBeginFromCurrentState animations:^
{
要抖动的视图.transform=CGAffineTransformIdentity;
} completion:^(BOOL finished) {}];
}