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//

//? ViewController.m

//? 逐幀動畫

//

//? 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;//動畫數(shù)組

? ? imageView.animationDuration=0.02* [muarray count];//一秒顯示10張

? ? imageView.animationRepeatCount=HUGE_VALF;//重復無線次

? ? [imageView startAnimating];

?? ?

}

-(void)diErZhong{

? ? //創(chuàng)建圖層

? ? layer=[[CALayer alloc]init];

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

?? ?

? ? [self.view.layer addSublayer:layer];

?? ?

? ? //定義時鐘對象

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

? ? //添加時鐘對象到主運行循環(huán)

? ? [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;//更新圖片

? ? ? ? current=(current+1)%87;

?? ? ? ?

? ? }

?? ?

}

- (void)didReceiveMemoryWarning {

? ? [super didReceiveMemoryWarning];

? ? // Dispose of any resources that can be recreated.

}

@end

轉載于:https://my.oschina.net/u/2483781/blog/549142

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