//

//  ViewController.m

//  Demo0218

//

//  Created by wiseman on 16/2/18.

//  Copyright (c) 2016年 wiseman. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

{

    CALayer *_layer;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    [self test1];

}

-(void)test1{

    //CA核心动画：基础动画，关键帧动画，动画组

    _layer = [[CALayer alloc]init];

    _layer.bounds = CGRectMake(, , , );

    _layer.position = CGPointMake(, );

    _layer.backgroundColor = [UIColor redColor].CGColor;

    [self.view.layer addSublayer:_layer];

}

//移动动画

-(void)translatonAnimation:(CGPoint)location{

    //创建动画并制定动画属性

    CABasicAnimation *basicAnimation = [CABasicAnimation animationWithKeyPath:@"position"];

    //设置动画属性的初始值和结束值

//    basicAnimation.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];

    basicAnimation.toValue = [NSValue valueWithCGPoint:location];

    basicAnimation.duration = 2.0;

    //运行一次是否删除动画

//    basicAnimation.removedOnCompletion = NO;

    //设置重复次数,HUGE_VALF可看做无穷大，起到循环动画的效果

//    basicAnimation.repeatCount = HUGE_VALF;

    //代理

    basicAnimation.delegate = self;

    [basicAnimation setValue:[NSValue valueWithCGPoint:location] forKey:@"KCBasicAnimationLocation"];

    [basicAnimation setValue:@"fuck1" forKey:@"AnimName"];

    //添加动画到图层，注意key相当于给动画进行命名，以后获得该动画时可以使用此名称获取

    [_layer addAnimation:basicAnimation forKey:@"fuck"];

}

//旋转动画

-(void)rotationAnimation{

    //创建动画并制定动画属性

    CABasicAnimation *basicAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];

    //设置动画属性的初始值和结束值

    //    basicAnimation.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];

    basicAnimation.toValue=[NSNumber numberWithFloat:M_PI_2*];

    basicAnimation.duration = 3.0;

//    basicAnimation.autoreverses = true;//旋转后再旋转到原来的位置

    basicAnimation.repeatCount = HUGE_VALF;

    //添加动画到图层，注意key相当于给动画进行命名，以后获得该动画时可以使用此名称获取

    [_layer addAnimation:basicAnimation forKey:@"fuck2"];

}

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{

    UITouch *touch = touches.anyObject;

    CGPoint location = [touch locationInView:self.view];

    //创建并开始动画

    [self translatonAnimation:location];

    [self rotationAnimation];

}

- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{

    NSString *str = [anim valueForKey:@"AnimName"];

    if ([str isEqualToString:@"fuck1"]) {

        CGPoint point = [[anim valueForKey:@"KCBasicAnimationLocation"] CGPointValue];

        //开启事务

        [CATransaction begin];

        //禁用隐式动画

        [CATransaction setDisableActions:YES];

        _layer.position = point;

        //提交事务

        [CATransaction commit];

    }

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end