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最近突然想写一个2048的小游戏，由于全部是自定义控件，所以程序看起来冗杂，但是核心的算法部分还是很不错的，大家感兴趣的可以仔细看看。
声明部分：
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
@property(nonatomic,strong) IBOutlet UILabel *label;
@property(nonatomic,strong) IBOutlet UILabel *label1;
@property(nonatomic,strong) IBOutlet UILabel *label2;
@property(nonatomic,strong) IBOutlet UILabel *label3;
@property(nonatomic,strong) IBOutlet UILabel *label4;
@property(nonatomic,strong) IBOutlet UILabel *label5;
@property(nonatomic,strong) IBOutlet UILabel *label6;
@property(nonatomic,strong) IBOutlet UILabel *label7;
@property(nonatomic,strong) IBOutlet UILabel *label8;
@property(nonatomic,strong) IBOutlet UILabel *label9;
@property(nonatomic,strong) IBOutlet UILabel *label10;
@property(nonatomic,strong) IBOutlet UILabel *label11;
@property(nonatomic,strong) IBOutlet UILabel *label12;
@property(nonatomic,strong) IBOutlet UILabel *label13;
@property(nonatomic,strong) IBOutlet UILabel *label14;
@property(nonatomic,strong) IBOutlet UILabel *label15;
@end
实现部分：
#import "ViewController.h"
@interface ViewController ()
{
NSArray *viewArray;
NSNumber *ret,*ret1,*ret2,*ret3,*ret4,*ret5,*ret6,*ret7,*ret8,*ret9,*ret10,*ret11,*ret12,*ret13,*ret14,*ret15;
NSArray *dataArray;
NSMutableArray *mutArr,*conutArr;
int x,y;
}
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//[mutArr removeAllObjects];
[self appear];
[self begin];
ret = [NSNumber numberWithInt:[self.label.text intValue]];
ret1 = [NSNumber numberWithInt:[self.label1.text intValue]];
ret2 = [NSNumber numberWithInt:[self.label2.text intValue]];
ret3 = [NSNumber numberWithInt:[self.label3.text intValue]];
ret4 = [NSNumber numberWithInt:[self.label4.text intValue]];
ret5 = [NSNumber numberWithInt:[self.label5.text intValue]];
ret6 = [NSNumber numberWithInt:[self.label6.text intValue]];
ret7 = [NSNumber numberWithInt:[self.label7.text intValue]];
ret8 = [NSNumber numberWithInt:[self.label8.text intValue]];
ret9 = [NSNumber numberWithInt:[self.label9.text intValue]];
ret10 = [NSNumber numberWithInt:[self.label10.text intValue]];
ret11 = [NSNumber numberWithInt:[self.label11.text intValue]];
ret12 = [NSNumber numberWithInt:[self.label12.text intValue]];
ret13 = [NSNumber numberWithInt:[self.label13.text intValue]];
ret14 = [NSNumber numberWithInt:[self.label14.text intValue]];
ret15 = [NSNumber numberWithInt:[self.label15.text intValue]];
mutArr = [[NSMutableArray alloc]initWithObjects:ret,ret1,ret2,ret3,ret4,ret5,ret6,ret7,ret8,ret9,ret10,ret11,ret12,ret13,ret14,ret15, nil];
UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipe:)];
swipeGesture.direction = UISwipeGestureRecognizerDirectionRight;
[self.view addGestureRecognizer:swipeGesture];
UISwipeGestureRecognizer *swipeGesture1 = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipe1:)];
swipeGesture1.direction = UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:swipeGesture1];
UISwipeGestureRecognizer *swipeGesture2 = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipe2:)];
swipeGesture2.direction = UISwipeGestureRecognizerDirectionUp;
[self.view addGestureRecognizer:swipeGesture2];
UISwipeGestureRecognizer *swipeGesture3 = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipe3:)];
swipeGesture3.direction = UISwipeGestureRecognizerDirectionDown;
[self.view addGestureRecognizer:swipeGesture3];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(void)swipe:(UISwipeGestureRecognizer *)swipe//向右
{
int temp;
NSNumber *temp1 = nil;
[self rightMoveSpace];
for (int i = 0; i<4; i++)
{
for (int j = 3; j>=1; j--)
{
if ([[mutArr objectAtIndex:j+4*i]intValue] == [[mutArr objectAtIndex:j-1+4*i]intValue])
{
[self rightMoveSpace];
temp = [[mutArr objectAtIndex:j+4*i]intValue]+[[mutArr objectAtIndex:j-1+4*i]intValue];
temp1 = [NSNumber numberWithInt:temp];
[mutArr replaceObjectAtIndex:j+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:j-1+4*i withObject:[NSNumber numberWithInt:0]];
[self rightMoveSpace];
}
}
}
[self reAppear];
}
-(void)rightMoveSpace
{
NSNumber *temp = nil;
NSNumber *temp1 = nil;
for (int i = 0; i<4; i++) {
for (int j = 2; j>=0; j--) {
int k = j;
while (k<=2&&[[mutArr objectAtIndex:k+1+4*i]intValue]==0)
{
temp = [mutArr objectAtIndex:k+1+4*i];
temp1 = [mutArr objectAtIndex:k+4*i];
[mutArr replaceObjectAtIndex:k+1+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:k+4*i withObject:temp];
k++;
}
}
}
}
-(void)swipe1:(UISwipeGestureRecognizer *)swipe//向左
{
int temp;
NSNumber *temp1 = nil;
[self leftMoveSpace];
for (int i = 0; i<4; i++) {
for (int j = 0; j<3; j++)
{
if ([[mutArr objectAtIndex:j+4*i]intValue] == [[mutArr objectAtIndex:j+1+4*i]intValue])
{
temp = [[mutArr objectAtIndex:j+4*i]intValue]+[[mutArr objectAtIndex:j+1+4*i]intValue];
temp1 = [NSNumber numberWithInt:temp];
[mutArr replaceObjectAtIndex:j+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:j+1+4*i withObject:[NSNumber numberWithInt:0]];
[self leftMoveSpace];
}
}
}
[self reAppear];
}
-(void)leftMoveSpace
{
NSNumber *temp = nil;
NSNumber *temp1 = nil;
for ( int i = 0; i<4; i++) {
for (int j = 1; j<4; j++) {
int k = j;
while (k>=1&&[[mutArr objectAtIndex:k-1+4*i]intValue]==0)
{
temp = [mutArr objectAtIndex:k-1+4*i];
temp1 = [mutArr objectAtIndex:k+4*i];
[mutArr replaceObjectAtIndex:k-1+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:k+4*i withObject:temp];
k--;
}
}
}
}
-(void)swipe2:(UISwipeGestureRecognizer *)swipes//向上
{
int temp;
NSNumber *temp1 = nil;
[self upMoveSpace];
for ( int j = 0; j<4; j++) {
for (int i = 0; i<3; i++)
{
if ([[mutArr objectAtIndex:j+4*i]intValue] == [[mutArr objectAtIndex:j+4*(i+1)]intValue])
{
temp = [[mutArr objectAtIndex:j+4*i]intValue]+[[mutArr objectAtIndex:j+4*(i+1)]intValue];
temp1 = [NSNumber numberWithInt:temp];
[mutArr replaceObjectAtIndex:j+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:j+4*(i+1) withObject:[NSNumber numberWithInt:0]];
[self upMoveSpace];
}
}
}
[self reAppear];
}
-(void)upMoveSpace
{
int index;
for (index = 0; index<mutArr.count; index++)
{
NSNumber *temp = nil;
NSNumber *temp1 = nil;
int i = index/4;
int j = index%4;
for (j = 0; j<4; j++) {
for (i = 1; i<4; i++) {
int k = i;
while (k>=1&&[[mutArr objectAtIndex:j+4*(k-1)]intValue]==0)
{
temp = [mutArr objectAtIndex:j+4*(k-1)];
temp1 = [mutArr objectAtIndex:j+4*k];
[mutArr replaceObjectAtIndex:j+4*(k-1) withObject:temp1];
[mutArr replaceObjectAtIndex:j+4*k withObject:temp];
k--;
}
}
}
}
}
-(void)swipe3:(UISwipeGestureRecognizer *)swipe//向下
{
int temp;
NSNumber *temp1 = nil;
[self downMoveSpace];
for (int j = 0; j<4; j++) {
for (int i = 3; i>=1; i--)
{
if ([[mutArr objectAtIndex:j+4*i]intValue] == [[mutArr objectAtIndex:j+4*(i-1)]intValue])
{
temp = [[mutArr objectAtIndex:j+4*i]intValue]+[[mutArr objectAtIndex:j+4*(i-1)]intValue];
temp1 = [NSNumber numberWithInt:temp];
[mutArr replaceObjectAtIndex:j+4*i withObject:temp1];
[mutArr replaceObjectAtIndex:j+4*(i-1) withObject:[NSNumber numberWithInt:0]];
[self downMoveSpace];
}
}
}
[self reAppear];
}
-(void)downMoveSpace
{
NSNumber *temp = nil;
NSNumber *temp1 = nil;
for (int j = 0; j<4; j++)
{
for (int i = 2; i>=0; i--)
{
int k = i;
while (k<=2&&[[mutArr objectAtIndex:j+4*(k+1)]intValue]==0)
{
temp = [mutArr objectAtIndex:j+4*(k+1)];
temp1 = [mutArr objectAtIndex:j+4*k];
[mutArr replaceObjectAtIndex:j+4*(k+1) withObject:temp1];
[mutArr replaceObjectAtIndex:j+4*k withObject:temp];
k++;
}
}
}
}
-(void)reAppear
{
int k=0;
NSMutableDictionary *dictionary = [[NSMutableDictionary alloc]init];
for (int i =0; i<mutArr.count; i++)
{
if ([[mutArr objectAtIndex:i]intValue] == 0)
{
k++;
[dictionary setObject:[NSNumber numberWithInt:i] forKey:[NSString stringWithFormat:@"%d",k-1]];
[mutArr replaceObjectAtIndex:i withObject:@""];
}
}
NSLog(@"%d",k-1);
conutArr = [[NSMutableArray alloc]init];
[conutArr addObject:[NSNumber numberWithInt:0]];
[conutArr addObject:[NSNumber numberWithInt:k]];
if ([[conutArr objectAtIndex:conutArr.count-1]intValue]!=[[conutArr objectAtIndex:conutArr.count-2]intValue])
{
int m = arc4random()%dictionary.count;
NSNumber *temp = [dictionary objectForKey:[NSString stringWithFormat:@"%d",m]];
[mutArr replaceObjectAtIndex:[temp intValue] withObject:[NSNumber numberWithInt:2]];
}
self.label.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:0]];
self.label1.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:1]];
self.label2.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:2]];
self.label3.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:3]];
self.label4.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:4]];
self.label5.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:5]];
self.label6.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:6]];
self.label7.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:7]];
self.label8.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:8]];
self.label9.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:9]];
self.label10.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:10]];
self.label11.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:11]];
self.label12.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:12]];
self.label13.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:13]];
self.label14.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:14]];
self.label15.text = [NSString stringWithFormat:@"%@",[mutArr objectAtIndex:15]];
}
-(void)begin
{
viewArray = [self.view subviews];
int aaa = arc4random()%15;
int bbb = arc4random()%15;
if (aaa != bbb)
{
UILabel *label = [viewArray objectAtIndex:aaa+2];
label.text = @"2";
label.textAlignment = UITextAlignmentCenter;
label.tintColor = [UIColor redColor];
UILabel *label1 = [viewArray objectAtIndex:bbb+2];
label1.text = @"2";
label1.textAlignment = UITextAlignmentCenter;
label1.tintColor = [UIColor redColor];
}else
{
UILabel *label = [viewArray objectAtIndex:aaa+2];
label.text = @"2";
label.textAlignment = UITextAlignmentCenter;
label.tintColor = [UIColor redColor];
UILabel *label1 = [viewArray objectAtIndex:bbb+3];
label1.text = @"2";
label1.textAlignment = UITextAlignmentCenter;
label1.tintColor = [UIColor redColor];
}
}
-(void)appear
{
self.label = [[UILabel alloc]init];
self.label.frame = CGRectMake(60, 150, 60, 60);
self.label.backgroundColor = [UIColor greenColor];
self.label.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label];
self.label1 = [[UILabel alloc]init];
self.label1.frame = CGRectMake(60+60+10, 150, 60, 60);
self.label1.backgroundColor = [UIColor greenColor];
self.label1.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label1];
self.label2 = [[UILabel alloc]init];
self.label2.frame = CGRectMake(60+120+20, 150, 60, 60);
self.label2.backgroundColor = [UIColor greenColor];
self.label2.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label2];
self.label3 = [[UILabel alloc]init];
self.label3.frame = CGRectMake(60+180+30, 150, 60, 60);
self.label3.backgroundColor = [UIColor greenColor];
self.label3.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label3];
self.label4 = [[UILabel alloc]init];
self.label4.frame = CGRectMake(60, 150+70, 60, 60);
self.label4.backgroundColor = [UIColor greenColor];
self.label4.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label4];
self.label5 = [[UILabel alloc]init];
self.label5.frame = CGRectMake(60+70, 150+70, 60, 60);
self.label5.backgroundColor = [UIColor greenColor];
self.label5.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label5];
self.label6 = [[UILabel alloc]init];
self.label6.frame = CGRectMake(60+140, 150+70, 60, 60);
self.label6.backgroundColor = [UIColor greenColor];
self.label6.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label6];
self.label7 = [[UILabel alloc]init];
self.label7.frame = CGRectMake(60+210, 150+70, 60, 60);
self.label7.backgroundColor = [UIColor greenColor];
self.label7.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label7];
self.label8 = [[UILabel alloc]init];
self.label8.frame = CGRectMake(60, 150+140, 60, 60);
self.label8.backgroundColor = [UIColor greenColor];
self.label8.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label8];
self.label9 = [[UILabel alloc]init];
self.label9.frame = CGRectMake(60+70, 150+140, 60, 60);
self.label9.backgroundColor = [UIColor greenColor];
self.label9.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label9];
self.label10 = [[UILabel alloc]init];
self.label10.frame = CGRectMake(60+140, 150+140, 60, 60);
self.label10.backgroundColor = [UIColor greenColor];
self.label10.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label10];
self.label11 = [[UILabel alloc]init];
self.label11.frame = CGRectMake(60+210, 150+140, 60, 60);
self.label11.backgroundColor = [UIColor greenColor];
self.label11.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label11];
self.label12 = [[UILabel alloc]init];
self.label12.frame = CGRectMake(60, 150+210, 60, 60);
self.label12.backgroundColor = [UIColor greenColor];
self.label12.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label12];
self.label13 = [[UILabel alloc]init];
self.label13.frame = CGRectMake(60+70, 150+210, 60, 60);
self.label13.backgroundColor = [UIColor greenColor];
self.label13.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label13];
self.label14 = [[UILabel alloc]init];
self.label14.frame = CGRectMake(60+140, 150+210, 60, 60);
self.label14.backgroundColor = [UIColor greenColor];
self.label14.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label14];
self.label15 = [[UILabel alloc]init];
self.label15.frame = CGRectMake(60+210, 150+210, 60, 60);
self.label15.backgroundColor = [UIColor greenColor];
self.label15.textAlignment = UITextAlignmentCenter;
[self.view addSubview:self.label15];
}
@end
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原文地址：http://www.cnblogs.com/lmg4819/p/4800211.html
