MotionBlur allows you to add motion blur effect to iOS animations.
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README.md

MotionBlur

MotionBlur allows you to add motion blur effect to your animations (currently only position's change). See the accompanying blog post to learn how it's implemented.

Demo GIF

Note how the text and icons on the menu get blurred when it slides in and out.

Usage

First, import it with:

#import "UIView+MotionBlur.h"

then use it with:

[yourView enableBlurWithAngle:M_PI_2 completion:^{
    [UIView animateWithDuration:0.5
                          delay:0
         usingSpringWithDamping:0.8
          initialSpringVelocity:0.3
                        options:UIViewAnimationOptionAllowUserInteraction | UIViewAnimationOptionBeginFromCurrentState
                     animations:^{

        CGRect f = yourView.frame;
        f.origin = CGPointMake(0, 300);
        yourView.frame = f;
    } completion:^(BOOL finished) {
        [yourView disableBlur];
    }];
}];

Snapshot and blur are computed before the animation, that's why the API is asynchronous. You should also see the example project and read comments in the header file: Classes/UIView+MotionBlur.h.

Demo

To run the example project; clone the repo and open Example/MotionBlur.xcodeproj.

Requirements

  • iOS 8 and above

Installation

MotionBlur is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "MotionBlur"

Author

Arkadiusz Holko: