找色块--小游戏

#import "ViewController.h"

#define SCREE_WITDH  CGRectGetWidth([UIScreen mainScreen].bounds)
#define SCREE_HEIGHT  CGRectGetHeight([UIScreen mainScreen].bounds)

@interface ViewController ()
{
NSArray *colorList;
int allRow;
UIView *backView;
}
@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
[self loadData];
[self createView];

}

//加载数据
- (void)loadData{
allRow = 2;
colorList = @[[UIColor yellowColor],[UIColor cyanColor],[UIColor redColor],[UIColor greenColor],[UIColor grayColor],[UIColor purpleColor],[UIColor blueColor]];
}

//创建视图
- (void)createView{

backView = [[UIView alloc]initWithFrame:CGRectMake(0, 120, SCREE_WITDH, SCREE_WITDH)];
backView.backgroundColor = [UIColor whiteColor];
[self.view addSubview:backView];

int space = 10;
CGFloat witdh = (SCREE_WITDH-40-(allRow-1)*space)/allRow;

int rand = arc4random()%colorList.count;

int num = arc4random()%(allRow*allRow)+1;

for (int i=0; i<allRow; i++) {
for (int j=0; j<allRow; j++) {

UIView *view = [[UIView alloc]initWithFrame:CGRectMake(20+(witdh+space)*i, 20+(witdh+space)*j, witdh, witdh)];
view.backgroundColor = colorList[rand];
view.layer.cornerRadius = 15;
view.tag = allRow*j+i+1;
[backView addSubview:view];
//改变某个色块的透明度（可以在这增加难度）
if (num == view.tag) {
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(action:)];
[view addGestureRecognizer:tap];
view.alpha = 0.5;
}else{
view.alpha = 1;
}
}
}

}

- (void)action:(UITapGestureRecognizer *)sender{

[backView removeFromSuperview];
allRow++;
[self createView];

}