objective-c 转场动画

//
//  ViewController.m
//  转场动画
//
//  Created by DC017 on 15/12/22.
//  Copyright © 2015年 DC017. All rights reserved.
//

#import "ViewController.h"
#define W [UIScreen mainScreen].bounds.size.width
#define H [UIScreen mainScreen].bounds.size.height
#define YANSE(r,g,b,a) [UIColor colorWithRed:r/225.0 green:g/225.0 blue:b/225.0 alpha:a]
//设置layer的宽和高
#define LayerWidth 50
#define TUPIANSHULIANG 6

@interface ViewController ()
{
int tupianshuliang;
UIImageView * image;
}
@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
tupianshuliang=0;
[self layout];

}
-(void)layout{
//定义一个图片控件
image=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, W, H)];
image.contentMode=UIViewContentModeScaleToFill;
image.image=[UIImage imageNamed:@"0"];
[self.view addSubview:image];

//添加手势
UISwipeGestureRecognizer * leftSwipeGesture=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(zuo:)];
//设置手势方向
leftSwipeGesture.direction=UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:leftSwipeGesture];
//添加手势
UISwipeGestureRecognizer * congzuoxiangyou=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(you:)];
//设置手势方向
congzuoxiangyou.direction=UISwipeGestureRecognizerDirectionRight;
[self.view addGestureRecognizer:congzuoxiangyou];

}
-(void)zuo:(UISwipeGestureRecognizer *)gesture{
NSLog(@"从右往左滑");
[self transitionAnimation:YES];//表示下一张图片

}
-(void)you:(UISwipeGestureRecognizer *)gesture{
NSLog(@"从左向右滑");
[self transitionAnimation:NO];//表示上一张图片

}
#pragma mark 转场动画
-(void)transitionAnimation:(BOOL)zhi{
//创建动画对象
CATransition * transactionII=[[CATransition alloc]init];
//设置转场动画
transactionII.type=@"cube";
//设置动画类型，对于苹果官方没有公开的动画类型，只能使用字符串
//cube                   立方体翻转效果
//oglFlip                翻转效果
//suckEffect             收缩效果
//rippleEffect           水滴波纹效果
//pageCurl               向上翻页效果
//pageUnCurl             向下翻页效果
//cameraIrisHollowOpen   摄像头打开效果
//cameraIrisHollowClose  摄像头关闭效果

//设置子类型（转场动画从什么方向）
if (zhi) {
transactionII.subtype=kCATransitionFromRight;

}else{
transactionII.subtype=kCATransitionFromLeft;
}
//设置动画时间
transactionII.duration = 1.0;
//设置转场后的新视图
if (zhi) {
//下一张
tupianshuliang=(tupianshuliang+1)%TUPIANSHULIANG;
}else{
//上一张
tupianshuliang=(tupianshuliang-1 +TUPIANSHULIANG)%TUPIANSHULIANG;
}

image.image=[UIImage imageNamed:[NSString stringWithFormat:@"%i",tupianshuliang]];
//添加动画
[image.layer addAnimation:transactionII forKey:@"wodedonghau"];

}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

@end