如何降低UIView觸摸保持旋轉圖像的速度？

嗨，我是Iphone開發的新手。我正在創建一個可變速度的旋轉圖像動畫。我怎麼變速，但現在我想降低速度與觸摸按住UIView。我沒有任何想法。那麼，有人能幫助我嗎？我可以得到一些想法的代碼片段嗎？如何降低UIView觸摸保持旋轉圖像的速度？

我已經加入下面

CABasicAnimation* rotationAnimation; 

    rotationAnimation = 
    [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"]; 
    rotationAnimation.fromValue = [NSNumber numberWithFloat: M_PI *2.0 * appDelegate.direction]; 
    rotationAnimation.repeatCount = 1; 
    rotationAnimation.duration = interval; 
    rotationAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]; 
    rotationAnimation.fillMode = kCAFillModeForwards; 
    rotationAnimation.removedOnCompletion = YES; 
    [imgv.layer addAnimation:rotationAnimation forKey:@"rotation"]; 

    if(count<=repeatcount) 
    { 
     [self performSelector:@selector(funTime) withObject:nil afterDelay:interval]; 
     isNotRotating = TRUE; 
     interval = interval + addTime; 
     addTime = addTime+0.001; 
     lblCount.text = [NSString stringWithFormat:@"%d",count]; 
     count++; 
     NSLog(@"duration to rotate a single rotation %f",(interval+((repeat-1) *0.10)/repeat)); 
    } 
    else 
    { 
     tap=0; 
     isNotRotating= TRUE; 
     [imgv.layer removeAllAnimations]; 
    }

由於一些代碼片斷提前

來源

2012-12-20 jpd

我認爲你有關於UIView的檢測時間長觸摸麻煩嗎？嘗試定製自己的UIView

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event 

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event 

- (void) touchesEnded...

這些方法...等

來源

2012-12-23 05:54:12

如何降低UIView觸摸保持旋轉圖像的速度？

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