iOS拼图

  

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (UIImage *)clipImage:(UIImage *)image inRect:(CGRect)rect

{//返回image中rect范围内的图片

CGImageRef imageRef = CGImageCreateWithImageInRect(image.CGImage, rect);

UIImage *subImage = [UIImage imageWithCGImage:imageRef];

return subImage;

}

- (void)viewDidLoad

{

[super viewDidLoad];

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

self.view.backgroundColor =[UIColor cyanColor];

UIImageView *iv=[[UIImageView alloc]initWithFrame:CGRectMake(8, self.view.bounds.size.height-180, 150, 150)];

[iv setImage:[UIImage imageNamed:@"king2"]];

[self.view addSubview:iv];

UIButton *btn=[UIButton buttonWithType:UIButtonTypeSystem];

btn.frame=CGRectMake(200, 400, 100, 50);

[btn setTitle:@"恢复" forState:UIControlStateNormal];

btn.backgroundColor=[UIColor orangeColor];

[self.view addSubview:btn];

[btn addTarget:self action:@selector(nc) forControlEvents:UIControlEventTouchUpInside];

[self addpic];

}

-(void)nc

{

for (int i=0; i<9; i++) {

UIImageView *iv=(UIImageView *)[self.view viewWithTag:100+i];

[UIImageView animateWithDuration:1 animations:^{

iv.frame=CGRectMake((i%3)*102+2, (i/3)*102+2, 100, 100);

}];

}

}

-(void)addpic

{

UIView *view=[[UIView alloc]initWithFrame:CGRectMake(6, 60, 308, 308)];

view.backgroundColor=[UIColor orangeColor];

[self.view addSubview:view];

for (int i=0; i<9; i++) {

UIImageView *a=[[UIImageView alloc]initWithFrame:CGRectMake((i%3)*102+2, (i/3)*102+2, 100, 100)];

a.image=[self clipImage:[UIImage imageNamed:@"king4"] inRect:CGRectMake((i%3)*100, (i/3)*100, 100, 100)];

[view addSubview:a];

}

for (int i=0; i<9; i++) {

UIImageView *qview=[[UIImageView alloc]initWithFrame:CGRectMake((i%3)*102+2, (i/3)*102+2, 100, 100)];

qview.image=[self clipImage:[UIImage imageNamed:@"king2"] inRect:CGRectMake((i%3)*100, (i/3)*100, 100, 100)];

qview.userInteractionEnabled=YES;

qview.tag=100+i;

if (i==8) {

qview.image =  [UIImage imageNamed:@"king3"];

}

[view addSubview:qview];

}

}

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

{

//获取触摸视图

UITouch *touch =[touches anyObject];

//NSLog(@"22222");

if ([touch.view isKindOfClass:[UIImageView class]]) {

UIImageView *kong = (UIImageView *)[self.view viewWithTag:108];

//NSLog(@"%@",NSStringFromCGPoint(kong));

CGPoint temp = touch.view.center;

if (kong.center.y == touch.view.center.y) {

if (kong.center.x - touch.view.center.x ==102 ||kong.center.x - touch.view.center.x ==-102 ) {

[UIView animateWithDuration:1 animations:^{

touch.view.center = kong.center;

kong.center = temp;

}];

}

}

if (kong.center.x == touch.view.center.x) {

if (kong.center.y - touch.view.center.y ==102 ||kong.center.y - touch.view.center.y ==-102 ) {

[UIView animateWithDuration:1 animations:^{

touch.view.center = kong.center;

kong.center = temp;

}];

}

}

}

}

转自：http://www.cnblogs.com/-yun/p/4367011.html