//

//  ViewController.m

//  逐帧动画

//

//  Created by DC017 on 15/12/22.

//  Copyright © 2015年 DC017. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

{

NSMutableArray * muarray;

UIImageView * imageView;

UIImage * image;

UIImage * imageII;

CALayer * layer;

int current;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self diYiZhong];

[self diErZhong];

}

-(void)diYiZhong{

muarray=[[NSMutableArray alloc]initWithCapacity:10];

imageView=[[UIImageView alloc]initWithFrame:CGRectMake(40, 200, 298, 215)];

[self.view addSubview:imageView];

for(int i=1;i<=87 ;i++){

image=[UIImage imageNamed:[NSString stringWithFormat:@"dazhao_%d",i]];

[muarray addObject:image];

}

imageView.animationImages=muarray;//动画数组

imageView.animationDuration=0.02* [muarray count];//一秒显示10张

imageView.animationRepeatCount=HUGE_VALF;//重复无线次

[imageView startAnimating];

}

-(void)diErZhong{

//创建图层

layer=[[CALayer alloc]init];

layer.frame=CGRectMake(40, 400, 298, 215);

[self.view.layer addSublayer:layer];

//定义时钟对象

CADisplayLink * displayLink=[CADisplayLink displayLinkWithTarget:self selector:@selector(step)];

//添加时钟对象到主运行循环

[displayLink addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];

}

-(void)step{

static int s=0;

s++;

if (s%1==0) {

imageII=muarray[current];

layer.contents=(id)imageII.CGImage;//更新图片

current=(current+1)%87;

}

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end