CABasicAnimation 期间的运动模糊
我有一个简单的动画，可以将图像从一个点移动到另一个点：
CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"position"];
anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(px2.x, px2.y)];
anim.toValue = [NSValue valueWithCGPoint:CGPointMake(P3x, P3y)];
anim.duration = 1.5f;
anim.repeatCount =1;
anim.removedOnCompletion = YES;
anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[LA addAnimation:anim forKey:@"positionTest"];
问题是图像在运动时变得模糊，运动不是很快。 有没有办法减少这种运动模糊？
I have this simple animation that moves an image from one point to another:
CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"position"];
anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(px2.x, px2.y)];
anim.toValue = [NSValue valueWithCGPoint:CGPointMake(P3x, P3y)];
anim.duration = 1.5f;
anim.repeatCount =1;
anim.removedOnCompletion = YES;
anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[LA addAnimation:anim forKey:@"positionTest"];
The problem is that the image becomes blurry while in motion, the motion is not very fast.
Is there a way to reduce this motion blur?
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如果你在动画过程中截图，它肯定是模糊的吗？模糊是像素化模糊还是更像软高斯模糊？
尝试设置view.layer.shouldRasterize = yes和layer.rasterizationScale = UIScreen.mainScreen.scale;
If you take a screenshot during the animation is it definitely blurred? Also is the blurring a pixellated blur or is it more like a soft gaussian blur?
Try setting view.layer.shouldRasterize = yes and layer.rasterizationScale = UIScreen.mainScreen.scale;