4月-01-2017 11-00-59.gif
老规矩，先上代码
//
// PopButtonView.m
// MyTest
//
// Created by 丁祥 on 2017/3/28.
// Copyright © 2017年 wonders. All rights reserved.
//
#import "PopButtonView.h"
#import "TestThirdViewController.h"
#define centerPointX 180
#define centerPointY 200
#define DxCovertAngelToRadian(x) ((x)*M_PI)/180
@interface PopButtonView()
@property (nonatomic,strong)UIImageView *imageView;
@property (nonatomic,strong)UIButton *centerButton;
@property (nonatomic,assign)NSInteger buttonCount;
@property (nonatomic,strong)NSMutableArray *buttonArray;//所有的button
@property (nonatomic,strong)NSMutableArray *centerArray;//所有button的位置
@property (nonatomic,copy)NSArray *durtionArray;//所有button的动画时间
@property (nonatomic,copy)NSArray *delayArray;//所有button的动画延迟时间
@property (nonatomic,copy)NSArray *imageArrary;
@property (nonatomic,assign)CGFloat disdance;
@property (nonatomic,assign)BOOL state;
@end
@implementation PopButtonView
- (instancetype)initWithFrame:(CGRect)frame
{
self =[super initWithFrame:frame];
if (self) {
self.buttonCount =3;
self.disdance =100;
self.state =YES;
self.backgroundColor =[UIColor colorWithWhite:1 alpha:1];
[self applyUI];
}
return self;
}
#pragma mark -init method
- (void)applyUI
{
_centerButton =[[UIButton alloc]initWithFrame:CGRectMake(0, 0, 40, 40)];
_centerButton.center =CGPointMake(centerPointX, centerPointY);
[_centerButton setImage:[UIImage imageNamed:@"custom_center"] forState:UIControlStateNormal];
[_centerButton addTarget:self action:@selector(displayButton:) forControlEvents:UIControlEventTouchUpInside];
/**加载中心点 */
[self addSubview:_centerButton];
[self loadButton];
}
- (void)loadButton{
for (int i=0; i<self.buttonCount; i++) {
UIButton *button =[[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
button.center =CGPointMake(-100, -100);
[button setImage:[self.imageArrary objectAtIndex:i] forState:UIControlStateNormal];
[self addSubview:button];
[self.buttonArray addObject:button];
}
}
#pragma mark -method
- (void)displayButton:(UIButton *)sender
{
_state =!_state;
[self displayImage];
if (!_state) {
[self.buttonArray enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[self displayButtonWithButton:obj withCenter:CGPointFromString(self.centerArray[idx]) withDuration:[self.durtionArray[idx] floatValue] withDelay:[self.delayArray[idx] floatValue]];
}];
}else{
[self.buttonArray enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[self dismissButtonWithButton:obj withCenter:CGPointFromString(self.centerArray[idx]) withDurantion:[self.durtionArray[idx] floatValue] withDelay:[self.durtionArray[idx] floatValue]];
}];
}
}
#pragma mark --Animation
-(void)displayButtonWithButton:(UIButton *)button withCenter:(CGPoint)buttonPoint withDuration:(CFTimeInterval)duration withDelay:(CFTimeInterval)delay
{
button.center =buttonPoint;
CAKeyframeAnimation *buttonAnimation =[CAKeyframeAnimation animation];
buttonAnimation.keyPath =@"transform";
CAKeyframeAnimation *keysAnimal =[CAKeyframeAnimation animation];
keysAnimal.keyPath =@"transform";
keysAnimal.duration =duration;
NSValue *value1 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.1, 0.1, 1)];
NSValue *value2 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.4, 1.4, 1)];
NSValue *value3 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(1, 1, 1)];
keysAnimal.values =@[value1,value2,value3];
keysAnimal.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
keysAnimal.keyTimes = @[[NSNumber numberWithFloat:0.0f],[NSNumber numberWithFloat:1-delay],[NSNumber numberWithFloat:1.0f]];
[button.layer addAnimation:keysAnimal forKey:nil];
}
- (void)dismissButtonWithButton:(UIButton *)button withCenter:(CGPoint)local withDurantion:(CFTimeInterval)durantion withDelay:(CFTimeInterval)delay
{
CAKeyframeAnimation *keysAnimal =[CAKeyframeAnimation animation];
keysAnimal.duration =durantion *delay;
keysAnimal.keyPath =@"transform.rotation.z";
NSNumber *number1 =[NSNumber numberWithFloat:0.f];
NSNumber *number2 =[NSNumber numberWithFloat:2*M_PI];
keysAnimal.values =@[number1,number2,number1];
keysAnimal.timingFunction =[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
CAKeyframeAnimation *shrink = [CAKeyframeAnimation animationWithKeyPath:@"position"];
shrink.duration = durantion * (3 - delay);
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL, local.x, local.y);
CGPathAddLineToPoint(path, NULL, local.x -20.f, local.y -20.f);
CGPathAddLineToPoint(path, NULL, centerPointX, centerPointY);
shrink.path = path;
CGPathRelease(path);
CAAnimationGroup *totalAnimation = [CAAnimationGroup animation];
totalAnimation.duration = 3.0f;
totalAnimation.animations = @[keysAnimal,shrink];
totalAnimation.fillMode = kCAFillModeForwards;
totalAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
button.center =CGPointMake(-100, -100);
[button.layer addAnimation:totalAnimation forKey:nil];
}
/**
中心点的动画
*/
-(void)displayImage{
CAKeyframeAnimation *keysAnimal =[CAKeyframeAnimation animation];
keysAnimal.keyPath =@"transform";
keysAnimal.duration =1.0;
NSValue *value1 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(1, 1, 1)];
NSValue *value2 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.2, 1.2, 1)];
NSValue *value3 =[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.4, 1.4, 1)];
keysAnimal.values =@[value1,value3,value1,value2,value1];
keysAnimal.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
[self.centerButton.layer addAnimation:keysAnimal forKey:nil];
}
#pragma mark -初始化位置
#pragma mark -懒加载
-(NSMutableArray *)centerArray
{
if (!_centerArray) {
_centerArray =[NSMutableArray array];
CGFloat sinX =sinf(DxCovertAngelToRadian(30.f));
CGFloat cosX =cosf(DxCovertAngelToRadian(30.f));
CGPoint point1 =CGPointMake(centerPointX- _disdance*cosX, centerPointY -_disdance*sinX);
CGPoint point2 =CGPointMake(centerPointX+ _disdance*cosX, centerPointY -_disdance*sinX);
CGPoint point3 =CGPointMake(centerPointX, centerPointY +_disdance);
[self.centerArray addObject:NSStringFromCGPoint(point1)];
[self.centerArray addObject:NSStringFromCGPoint(point2)];
[self.centerArray addObject:NSStringFromCGPoint(point3)];
}
return _centerArray;
}
- (NSMutableArray *)buttonArray
{
if (!_buttonArray) {
_buttonArray =[NSMutableArray array];
}
return _buttonArray;
}
- (NSArray *)durtionArray
{
if (!_durtionArray) {
_durtionArray =@[@0.35,@0.40,@0.45,@0.50,@0.55,@0.60];
}
return _durtionArray;
}
- (NSArray *)delayArray
{
if (!_delayArray) {
_delayArray =@[@0.50,@0.55,@0.60,@0.65,@0.70,@0.75];
}
return _delayArray;
}
- (NSArray *)imageArrary
{
if (!_imageArrary) {
_imageArrary =@[[UIImage imageNamed:@"custom_1"],[UIImage imageNamed:@"custom_1"],[UIImage imageNamed:@"custom_1"]];
}
return _imageArrary;
}
@end
1. 首先先添加一个中心点的button，添加上动画
2.计算要添加的button的数目，以及button的不同的位置，然后就可以给它添加动画，让它显示
3.对于button的消失，需要重新赋予动画，位置恢复到初始位置，
4.这里我只计算了三个的这种情况，可以根据自己的情况订制，为了方面一次性展示代码，没有进行封装，其实稍加改动，可以进行很好的封装
