98 lines
4.5 KiB
Objective-C
Executable File
98 lines
4.5 KiB
Objective-C
Executable File
//
|
|
// DGActivityIndicatorFiveDotsAnimation.m
|
|
// DGActivityIndicatorExample
|
|
//
|
|
// Created by Danil Gontovnik on 5/23/15.
|
|
// Copyright (c) 2015 Danil Gontovnik. All rights reserved.
|
|
//
|
|
|
|
#import "DGActivityIndicatorFiveDotsAnimation.h"
|
|
|
|
@implementation DGActivityIndicatorFiveDotsAnimation
|
|
|
|
#pragma mark -
|
|
#pragma mark DGActivityIndicatorAnimation Protocol
|
|
|
|
- (void)setupAnimationInLayer:(CALayer *)layer withSize:(CGSize)size tintColor:(UIColor *)tintColor {
|
|
NSTimeInterval beginTime = CACurrentMediaTime();
|
|
|
|
CGFloat circleSize = size.width / 5.0f;
|
|
|
|
CGFloat oX = (layer.bounds.size.width - circleSize * 5) / 2.0f;
|
|
CGFloat oY = (layer.bounds.size.height - circleSize) / 2.0f;
|
|
for (int i = 0; i < 3; i++) {
|
|
CALayer *circle = [CALayer layer];
|
|
circle.frame = CGRectMake(oX + circleSize * 2 * i, oY, circleSize, circleSize);
|
|
circle.backgroundColor = tintColor.CGColor;
|
|
circle.anchorPoint = CGPointMake(0.5f, 0.5f);
|
|
circle.opacity = 1.0f;
|
|
circle.cornerRadius = circle.bounds.size.height / 2.0f;
|
|
|
|
CATransform3D t1 = CATransform3DMakeTranslation(0.0f, 0.0f, 0.0f);
|
|
t1 = CATransform3DScale(t1, 1.0f, 1.0f, 0.0f);
|
|
|
|
CATransform3D t2 = CATransform3DMakeTranslation(0.0f, -2 * circleSize, 0.0f);
|
|
t2 = CATransform3DScale(t2, 1.0f, 1.0f, 0.0f);
|
|
|
|
CATransform3D t3 = CATransform3DMakeTranslation(0.0f, 0.0f, 0.0f);
|
|
t3 = CATransform3DScale(t3, 0.3f, 0.3f, 0.0f);
|
|
|
|
CATransform3D t4 = CATransform3DMakeTranslation(0.0f, 2 * circleSize, 0.0f);
|
|
t4 = CATransform3DScale(t4, 1.0f, 1.0f, 0.0f);
|
|
|
|
CATransform3D t5 = CATransform3DMakeTranslation(0.0f, 0.0f, 0.0f);
|
|
t5 = CATransform3DScale(t5, 1.f, 1.0f, 0.0f);
|
|
|
|
CAKeyframeAnimation *transformAnimation = [self createKeyframeAnimationWithKeyPath:@"transform"];
|
|
transformAnimation.values = @[[NSValue valueWithCATransform3D:t1],
|
|
[NSValue valueWithCATransform3D:t2],
|
|
[NSValue valueWithCATransform3D:t3],
|
|
[NSValue valueWithCATransform3D:t4],
|
|
[NSValue valueWithCATransform3D:t5]];
|
|
transformAnimation.beginTime = beginTime;
|
|
transformAnimation.repeatCount = HUGE_VALF;
|
|
transformAnimation.duration = 1.0f;
|
|
transformAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
|
|
|
|
[layer addSublayer:circle];
|
|
[circle addAnimation:transformAnimation forKey:@"animation"];
|
|
}
|
|
|
|
for (int i = 0; i < 2; i++) {
|
|
CALayer *circle = [CALayer layer];
|
|
circle.frame = CGRectMake((layer.bounds.size.width - circleSize * 5) / 2.0f + circleSize + circleSize * 2 * i, (layer.bounds.size.height - circleSize) / 2.0f, circleSize, circleSize);
|
|
circle.backgroundColor = tintColor.CGColor;
|
|
circle.anchorPoint = CGPointMake(0.5f, 0.5f);
|
|
circle.opacity = 1.0f;
|
|
circle.cornerRadius = circle.bounds.size.height / 2.0f;
|
|
|
|
CATransform3D t1 = CATransform3DMakeTranslation(0.0f, 0.0f, 0.0f);
|
|
t1 = CATransform3DScale(t1, 0.3f, 0.3f, 0.0f);
|
|
|
|
CATransform3D t2 = CATransform3DMakeTranslation(0.0f, 2 * circleSize, 0.0f);
|
|
t2 = CATransform3DScale(t2, 1.0f, 1.0f, 0.0f);
|
|
|
|
CATransform3D t3 = CATransform3DMakeTranslation(0.0f, -2 * circleSize, 0.0f);
|
|
t3 = CATransform3DScale(t3, 1.f, 1.0f, 0.0f);
|
|
|
|
CATransform3D t4 = CATransform3DMakeTranslation(0.0f, 0.0f, 0.0f);
|
|
t4 = CATransform3DScale(t4, 0.3f, 0.3f, 0.0f);
|
|
|
|
CAKeyframeAnimation *transformAnimation = [self createKeyframeAnimationWithKeyPath:@"transform"];
|
|
transformAnimation.values = @[[NSValue valueWithCATransform3D:t1],
|
|
[NSValue valueWithCATransform3D:t2],
|
|
[NSValue valueWithCATransform3D:t3],
|
|
[NSValue valueWithCATransform3D:t4]];
|
|
transformAnimation.keyTimes = @[@(0.0f), @(0.25f), @(0.75f), @(1.0f)];
|
|
transformAnimation.beginTime = beginTime;
|
|
transformAnimation.repeatCount = HUGE_VALF;
|
|
transformAnimation.duration = 1.0f;
|
|
transformAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
|
|
|
|
[layer addSublayer:circle];
|
|
[circle addAnimation:transformAnimation forKey:@"animation"];
|
|
}
|
|
}
|
|
|
|
@end
|