微信摇一摇的动画，可用于相机打开或者关闭动画代码,ObjC代码库,德仔网

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【ObjC】微信摇一摇的动画，可用于相机打开或者关闭动画

作者:昶福 / 发布于2014/11/7/ 543


	CGFloat animationDistans = CGRectGetHeight(self.topCameraFlipImageView.frame);
	
	 CABasicAnimation *topCameraFlipImageViewAnimation = [CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
	 topCameraFlipImageViewAnimation.delegate = (_flags.isSetDelegateForAnimation ? self : nil);
	 topCameraFlipImageViewAnimation.fromValue = [NSNumber numberWithFloat:_cameraOpening ? -animationDistans : 0];
	 topCameraFlipImageViewAnimation.toValue = [NSNumber numberWithFloat:_cameraOpening ? 0 : -animationDistans];
	 topCameraFlipImageViewAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
	 topCameraFlipImageViewAnimation.duration = CameraFlipImageViewAnimationDuration;
	 topCameraFlipImageViewAnimation.removedOnCompletion = NO;
	 topCameraFlipImageViewAnimation.fillMode = kCAFillModeForwards;
	 [topCameraFlipImageViewAnimation setValue:topCameraFlipImageViewAnimationKey forKey:topCameraFlipImageViewAnimationKey];
	
	 CABasicAnimation *bottomCameraFlipImageViewAnimation = [CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
	 bottomCameraFlipImageViewAnimation.delegate = (_flags.isSetDelegateForAnimation ? self : nil);
	 bottomCameraFlipImageViewAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
	 bottomCameraFlipImageViewAnimation.fromValue = [NSNumber numberWithFloat:_cameraOpening ? animationDistans : 0];
	 bottomCameraFlipImageViewAnimation.toValue = [NSNumber numberWithFloat:_cameraOpening ? 0 : animationDistans];
	 bottomCameraFlipImageViewAnimation.duration = CameraFlipImageViewAnimationDuration;
	 bottomCameraFlipImageViewAnimation.removedOnCompletion = NO;
	 bottomCameraFlipImageViewAnimation.fillMode = kCAFillModeForwards;
	 [topCameraFlipImageViewAnimation setValue:bottomCameraFlipImageViewAnimationKey forKey:bottomCameraFlipImageViewAnimationKey];
	
	 [self.topCameraFlipImageView.layer addAnimation:topCameraFlipImageViewAnimation forKey:topCameraFlipImageViewAnimationKey];
	 [self.bottomCameraFlipImageView.layer addAnimation:bottomCameraFlipImageViewAnimation forKey:bottomCameraFlipImageViewAnimationKey];

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