OC-JigsawPuzzle

//

//  ViewController.m

//  Games.JigsawPuzzle

//

//  Created by eric on 15-10-21.

//  Copyright (c) 2015年 E_L. All rights reserved.

//

#import "ViewController.h"

#define WIDTH [UIScreen mainScreen].bounds.size.width

#define HEIGHT [UIScreen mainScreen].bounds.size.height

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [superviewDidLoad];

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

    self.view.backgroundColor=[UIColororangeColor];//color bkg

#pragma mark -imgV

    UIImageView* imgV=[[UIImageViewalloc]initWithImage:[UIImageimageNamed:@"girl.jpg"]];

    imgV.frame=CGRectMake((WIDTH-300)/2,HEIGHT-((HEIGHT-60)/4)-60,WIDTH/3,(HEIGHT-60)/3);

    [self.viewaddSubview:imgV];//show orginal img

#pragma mark -imgBkg

   UIImageView* imgBkg=[[UIImageViewalloc]initWithFrame:CGRectMake(65/2,60,310, 310)];

    imgBkg.backgroundColor=[UIColorpurpleColor];

    imgBkg.userInteractionEnabled=YES;

    [self.viewaddSubview:imgBkg];

#pragma mark -clipImg

   for (int i=0; i<3; i++) {

       for (int j=0; j<3; j++) {

           //clipImg

           UIImage* subImg=[selfclipImg:[UIImageimageNamed:@"girl.jpg"]withRect:CGRectMake(j*105, i*105,100, 100)];

            //gameV for loading clipped img

           UIImageView* gameV=[[UIImageViewalloc]initWithFrame:CGRectMake(j*105, i*105,100, 100)];

if (!(i==2&&j==2)) {

gameV.image=subImg;

}

            gameV.userInteractionEnabled=YES;

            UITapGestureRecognizer* tapGR=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(tapEvent:)];

            gameV.tag=10+10*i+j;

            [gameVaddGestureRecognizer:tapGR];

            [imgBkgaddSubview:gameV];

        }

    }

#pragma mark -

}

-(void)tapEvent:(UITapGestureRecognizer*)tap{

//    tap.view

UIImageView* imgBlank=(UIImageView*)[self.viewviewWithTag:32];

   UIImageView* imgV=(UIImageView*)[self.viewviewWithTag:tap.view.tag];

if(powf((imgV.center.x-imgBlank.center.x),2)==powf((imgBlank.frame.size.width+5),2)||powf((imgV.center.y-imgBlank.center.y),2)==powf((imgBlank.frame.size.height+5),2)){//get location info

if (imgV.center.x==imgBlank.center.x||imgV.center.y==imgBlank.center.y) {//get location info

CGPoint tempPoint;

tempPoint=imgBlank.center;

imgBlank.center=imgV.center;

imgV.center=tempPoint;//exchange position

}

}

// NSLog(@"%lu",imgV.tag);

//    NSLog(@"%f,%f",imgV.center.x,imgV.center.y);

}

-(UIImage*)clipImg:(UIImage*)img withRect:(CGRect)rect{

    CGImageRef imgRef=CGImageCreateWithImageInRect(img.CGImage, rect);

   UIImage* subImg=[UIImageimageWithCGImage:imgRef];

   return subImg;

}

-(void)viewDidAppear:(BOOL)animated{

    [superviewDidAppear:animated];

}

-(void)viewWillLayoutSubviews{

}

- (void)didReceiveMemoryWarning {

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end