CAKeyframeAnimation 关键帧动画

 1     UIBezierPath *path = [UIBezierPath bezierPath];
 2     [path moveToPoint:CGPointMake(-40, 100)];
 3     [path addLineToPoint:CGPointMake(360, 100)];
 4     [path addLineToPoint:CGPointMake(360, 200)];
 5     [path addLineToPoint:CGPointMake(-40, 200)];
 6     [path addLineToPoint:CGPointMake(-40, 300)];
 7     [path addLineToPoint:CGPointMake(360, 300)];
 8     
 9     CAKeyframeAnimation *moveAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
10     moveAnimation.path = path.CGPath;
11     moveAnimation.duration = 8.0f;
12     moveAnimation.rotationMode = kCAAnimationRotateAuto;
13     [shapeLayer addAnimation:moveAnimation forKey:@"moveAnimation"];
 1     CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
 2     
 3     CATransform3D scale1 = CATransform3DMakeScale(0.5, 0.5, 1);
 4     CATransform3D scale2 = CATransform3DMakeScale(1.2, 1.2, 1);
 5     CATransform3D scale3 = CATransform3DMakeScale(0.9, 0.9, 1);
 6     CATransform3D scale4 = CATransform3DMakeScale(1.0, 1.0, 1);
 7     
 8     NSArray *frameValues = [NSArray arrayWithObjects:
 9                             [NSValue valueWithCATransform3D:scale1],
10                             [NSValue valueWithCATransform3D:scale2],
11                             [NSValue valueWithCATransform3D:scale3],
12                             [NSValue valueWithCATransform3D:scale4],
13                             nil];
14     
15     [animation setValues:frameValues];
16     
17     NSArray *frameTimes = [NSArray arrayWithObjects:
18                            [NSNumber numberWithFloat:0.0],
19                            [NSNumber numberWithFloat:0.5],
20                            [NSNumber numberWithFloat:0.9],
21                            [NSNumber numberWithFloat:1.0],
22                            nil];
23     [animation setKeyTimes:frameTimes];
24     
25     animation.fillMode = kCAFillModeForwards;
26     animation.duration = .25;
27     
28     [self addAnimation:animation forKey:@"DSPopUpAnimation"];

基于路径的关键帧动画

 1     CGMutablePathRef path = CGPathCreateMutable();
 2     
 3     CGPathMoveToPoint(path, NULL, 50.0, 120.0);
 4     CGPathAddCurveToPoint(path, NULL, 50.0, 275.0, 150.0, 275.0, 150.0, 120.0);
 5     CGPathAddCurveToPoint(path,NULL,150.0,275.0,250.0,275.0,250.0,120.0);
 6     CGPathAddCurveToPoint(path,NULL,250.0,275.0,350.0,275.0,350.0,120.0);
 7     CGPathAddCurveToPoint(path,NULL,350.0,275.0,450.0,275.0,450.0,120.0);
 8     
 9     CAKeyframeAnimation *anim = [CAKeyframeAnimation animationWithKeyPath:@"position"];
10     [anim setPath:path];
11     [anim setDuration:3.0];
12     [anim setAutoreverses:YES];
13     CFRelease(path);
14     [self.layer addAnimation:anim forKey:@"path"];

基于位置点的关键桢动画

 1     CGPoint pt0 = CGPointMake(50.0, 120.0);
 2     CGPoint pt1 = CGPointMake(50.0, 275.0);
 3     CGPoint pt2 = CGPointMake(150.0, 275.0);
 4     CGPoint pt3 = CGPointMake(150.0, 120.0);
 5     CGPoint pt4 = CGPointMake(150.0, 275.0);
 6     CGPoint pt5 = CGPointMake(250.0, 275.0);
 7     CGPoint pt6 = CGPointMake(250.0, 120.0);
 8     CGPoint pt7 = CGPointMake(250.0, 275.0);
 9     CGPoint pt8 = CGPointMake(350.0, 275.0);
10     CGPoint pt9 = CGPointMake(350.0, 120.0);
11     CGPoint pt10 = CGPointMake(350.0, 275.0);
12     CGPoint pt11 = CGPointMake(450.0, 275.0);
13     CGPoint pt12 = CGPointMake(450.0, 120.0);
14     NSArray *values = [NSArray arrayWithObjects:
15                        [NSValue valueWithCGPoint:pt0],
16                        [NSValue valueWithCGPoint:pt1],
17                        [NSValue valueWithCGPoint:pt2],
18                        [NSValue valueWithCGPoint:pt3],
19                        [NSValue valueWithCGPoint:pt4],
20                        [NSValue valueWithCGPoint:pt5],
21                        [NSValue valueWithCGPoint:pt6],
22                        [NSValue valueWithCGPoint:pt7],
23                        [NSValue valueWithCGPoint:pt8],
24                        [NSValue valueWithCGPoint:pt9],
25                        [NSValue valueWithCGPoint:pt10],
26                        [NSValue valueWithCGPoint:pt11],
27                        [NSValue valueWithCGPoint:pt12], nil];
28     CAKeyframeAnimation *anim = [CAKeyframeAnimation animationWithKeyPath:@"position"];
29     [anim setValues:values];
30     [anim setDuration:3.0];
31     [anim setAutoreverses:YES];
32     
33     [self.layer addAnimation:anim forKey:@"path"];

旋转180度

 1    CAKeyframeAnimation *keyAnim = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
 2             CATransform3D rotation1 = CATransform3DMakeRotation(30 * M_PI/180, 0, 0, -1);
 3             CATransform3D rotation2 = CATransform3DMakeRotation(60 * M_PI/180, 0, 0, -1);
 4             CATransform3D rotation3 = CATransform3DMakeRotation(90 * M_PI/180, 0, 0, -1);
 5             CATransform3D rotation4 = CATransform3DMakeRotation(120 * M_PI/180, 0, 0, -1);
 6             CATransform3D rotation5 = CATransform3DMakeRotation(150 * M_PI/180, 0, 0, -1);
 7             CATransform3D rotation6 = CATransform3DMakeRotation(180 * M_PI/180, 0, 0, -1);
 8             
 9             [keyAnim setValues:[NSArray arrayWithObjects:
10                                 [NSValue valueWithCATransform3D:rotation1],
11                                 [NSValue valueWithCATransform3D:rotation2],
12                                 [NSValue valueWithCATransform3D:rotation3],
13                                 [NSValue valueWithCATransform3D:rotation4],
14                                 [NSValue valueWithCATransform3D:rotation5],
15                                 [NSValue valueWithCATransform3D:rotation6],
16                                 nil]];
17             [keyAnim setKeyTimes:[NSArray arrayWithObjects:
18                                   [NSNumber numberWithFloat:0.0],
19                                   [NSNumber numberWithFloat:0.2f],
20                                   [NSNumber numberWithFloat:0.4f],
21                                   [NSNumber numberWithFloat:0.6f],
22                                   [NSNumber numberWithFloat:0.8f],
23                                   [NSNumber numberWithFloat:1.0f],
24                                   nil]];
25             [keyAnim setDuration:4];
26             [keyAnim setFillMode:kCAFillModeForwards];
27             [keyAnim setRemovedOnCompletion:NO];
28             [zhiZhenLayer addAnimation:keyAnim forKey:nil];
原文地址:https://www.cnblogs.com/sell/p/2909168.html