- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    self.view.backgroundColor = [UIColor grayColor];

    UIView *view = [[UIView alloc] initWithFrame:self.view.bounds];

    view.backgroundColor = [UIColor blueColor];

    view.layer.borderColor = [[UIColor greenColor] CGColor];

    view.layer.borderWidth = 5.0;

    [self.view addSubview:view];

    // 创建偏移

    UIInterpolatingMotionEffect *effectX = [[UIInterpolatingMotionEffect alloc]

                                            initWithKeyPath:@"center.x"

                                            type:UIInterpolatingMotionEffectTypeTiltAlongHorizontalAxis];

    UIInterpolatingMotionEffect *effectY = [[UIInterpolatingMotionEffect alloc]

                                            initWithKeyPath:@"center.y"

                                            type:UIInterpolatingMotionEffectTypeTiltAlongVerticalAxis];

    // 设置最大值和最小值

    effectX.maximumRelativeValue = @();

    effectX.minimumRelativeValue = @(-);

    effectY.maximumRelativeValue = @();

    effectY.minimumRelativeValue = @(-);

    [view addMotionEffect:effectX];

    [view addMotionEffect:effectY];

}