ios2048

自学一段时间的ios,尝试着做了个2048,因为之前做过Android的2048,所以逻辑等都知道.做起来还算顺利,

之前出了一点小bug,都已经改过来了.

第一次自己尝试写写东西,没有开发经验,比较乱,不过已经尽力整理过了.

源码已经上传. http://download.csdn.net/download/ll_xyls/9249069 href="http://download.csdn.net/download/ll_xyls/9249069" target=_blank>点击打开链接

所有的代码都写在了ViewController文件

#import "ViewController.h"

/*
* 用来存放图片的数字是多少,方便以后判断
*/
int a[4][4] = {0};

@interface ViewController () <UIAlertViewDelegate>

@property (nonatomic, strong) UIView *gameView;
@property (nonatomic, strong) NSMutableArray *cards;

@property (nonatomic, strong) UIView *scoreView;
@property (nonatomic, strong) UILabel *scoreLabel;
@property (nonatomic, strong) UILabel *bestScoreLabel;

// 用来判断游戏视图中图片是否移动了
@property (nonatomic, assign) BOOL moving;

// 手指接触屏幕时的左边
@property (nonatomic, assign) CGPoint startP;
// 手指离开屏幕时的左边
@property (nonatomic, assign) CGPoint endP;

@property (nonatomic, assign) int score;
@property (nonatomic, assign) int bestScore;

@end

@implementation ViewController

//
/**
* 懒加载游戏视图
*/
- (UIView *)gameView
{
if (_gameView == nil) {

CGFloat x = 20;
CGFloat w = self.view.bounds.size.width - x * 2;
CGFloat h = w;
CGFloat y = (self.view.bounds.size.height - w) / 2;
_gameView = [[UIView alloc] initWithFrame:CGRectMake(x, y, w, h)];
_gameView.backgroundColor = [UIColor colorWithRed:200 / 255.0 green:1 blue:1 alpha:1];
//        _gameView.backgroundColor = [UIColor blueColor];
[self.view addSubview:_gameView];
}
return _gameView;
}

/**
* 创建存放ImageView的数组
*
* 游戏开始时创建出所有的ImageView,并设置hidden = YES
*/
- (NSMutableArray *)cards
{
if (_cards == nil) {
_cards = [NSMutableArray array];
CGFloat imgX = 0;
CGFloat imgY = 0;
CGFloat imgW = self.gameView.bounds.size.width / 4;
CGFloat imgH = imgW;
for (int i = 0; i < 4; i++) {
NSMutableArray *arrayM = [NSMutableArray array];
for (int j = 0; j < 4; j++) {
imgX =imgW * i;
imgY =imgH * j;
CGRect rect = CGRectMake(imgX, imgY, imgW, imgH);
UIImageView *imageView = [[UIImageView alloc] initWithFrame:rect];
//                imageView.image = [UIImage imageNamed:@"tp2"];
imageView.hidden = YES;
[self.gameView addSubview:imageView];
[arrayM addObject:imageView];
}
[_cards addObject:arrayM];
}
}
return _cards;
}

/**
* 存放分数label的View
*/
- (UIView *)scoreView
{
if (_scoreView == nil) {
//self.gameView.bounds.origin.y
CGFloat x = self.view.bounds.size.width * 0.5;
CGFloat y = 20;
CGFloat w = x - 20;
CGFloat h = 50;

_scoreView = [[UIView alloc] initWithFrame:CGRectMake(x, y, w, h)];
_scoreView.backgroundColor = [UIColor grayColor];
[self.view addSubview:_scoreView];
}
return _scoreView;
}

/**
* 最高分
*/
- (UILabel *)bestScoreLabel
{
if (_bestScoreLabel == nil) {
CGFloat x = 5;
CGFloat y = 5;
CGFloat w = self.view.bounds.size.width * 0.5 - 30;
CGFloat h = 20;
_bestScoreLabel = [[UILabel alloc] initWithFrame:CGRectMake(x, y, w, h)];
_bestScoreLabel.font = [UIFont systemFontOfSize:14];
_bestScoreLabel.textColor = [UIColor whiteColor];
[self.scoreView addSubview:_bestScoreLabel];
_bestScoreLabel.text = @"Bsco:100000";
}
return _bestScoreLabel;
}

/**
* 分数
*/
- (UILabel *)scoreLabel
{
if (_scoreLabel == nil) {
CGFloat x = 5;
CGFloat y = 25;
CGFloat w = self.view.bounds.size.width * 0.5 - 30;
CGFloat h = 20;
_scoreLabel = [[UILabel alloc] initWithFrame:CGRectMake(x, y, w, h)];
_scoreLabel.font = [UIFont systemFontOfSize:14];
_scoreLabel.textColor = [UIColor whiteColor];
[self.scoreView addSubview:_scoreLabel];
_scoreLabel.text = @" sco:100000";
}
return _scoreLabel;
}

// 设置图片
- (void)setImage:(UIImageView *)imageView withNo:(int)No
{
NSString *imageName = [NSString stringWithFormat:@"tp%d", No];
imageView.image = [UIImage imageNamed:imageName];
}

// 随机添加图片
- (void)addImage
{
int x = arc4random_uniform(4);
int y = arc4random_uniform(4);
UIImageView *imageView = self.cards[x][y];
if (imageView.hidden == NO) {
[self addImage];
}else{
int num = arc4random_uniform(100);
if (num < 90) {
num = 2;
a[x][y] = 2;
}else
{
a[x][y] = 4;
num = 4;
}

[self setImage:imageView withNo:num];

imageView.hidden = NO;
}
}

/*
* 交换图片位置
*
* 每张图片分别对应数字数组,和imageView的数组,所以一并交换
* 此方法只有在图片移动时才会调用,图片上的数字相同合并时,不会调用
*/
- (void)swipWithX1:(int)x1 Y1:(int)y1 andX2:(int)x2 Y2:(int)y2
{
UIImageView *imgV1 = self.cards[x1][y1];
UIImageView *imgV2 = self.cards[x2][y2];

// 交换视图位置
CGRect frame = imgV1.frame;
imgV1.frame = imgV2.frame;
imgV2.frame = frame;

// 交换图片数组中的位置
self.cards[x1][y1] = imgV2;
self.cards[x2][y2] = imgV1;

// 交换数字数组中的元素
a[x1][y1] = a[x2][y2];
a[x2][y2] = 0;

}

// 向上划
- (void)swipTop
{
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
for (int jj = j+1; jj < 4; jj++) {
UIImageView *imgV1 = self.cards[i][j];
UIImageView *imgV2 = self.cards[i][jj];
if (imgV2.hidden == NO) {
if (imgV1.hidden == YES) { // 图片上边是空白时:
[self swipWithX1:i Y1:j andX2:i Y2:jj];
//a[i][jj] = 0;
self.moving = YES;
j--;
}else if(imgV1.hidden == NO && a[i][j] == a[i][jj]){// 两张图片相同时
a[i][jj] = 0;
a[i][j] = a[i][j] * 2;
[self changeScore:a[i][j]];
[self setImage:imgV1 withNo:a[i][j]];
imgV2.hidden = YES;
self.moving = YES;
}else{

}
break;
}
}
}
}
// 每一移动一次判断是否结束游戏
[self isGameOver];
}

// 向下划
- (void)swipBottom
{
for (int i = 0; i < 4; i++) {
for (int j = 3; j >= 0; j--) {
for (int jj = j-1; jj >= 0; jj--) {
UIImageView *imgV1 = self.cards[i][j];
UIImageView *imgV2 = self.cards[i][jj];
if (imgV2.hidden == NO) {
if (imgV1.hidden == YES) {
[self swipWithX1:i Y1:j andX2:i Y2:jj];
//a[i][jj] = 0;
self.moving = YES;
j++;
}else if(imgV1.hidden == NO && a[i][j] == a[i][jj]){
a[i][jj] = 0;
a[i][j] = a[i][j] * 2;
[self changeScore:a[i][j]];
[self setImage:imgV1 withNo:a[i][j]];
imgV2.hidden = YES;
self.moving = YES;
}else{

}
break;
}

}
}
}
[self isGameOver];
}

// 向左划
- (void)swipLeft
{
for (int j = 0; j < 4; j ++) {
for (int i = 0; i < 4; i++) {
for (int ii = i+1; ii < 4; ii++) {
UIImageView *imgV1 = self.cards[i][j];
UIImageView *imgV2 = self.cards[ii][j];
if (imgV2.hidden == NO) {
if (imgV1.hidden == YES) {
[self swipWithX1:i Y1:j andX2:ii Y2:j];
//a[ii][j] = 0;
self.moving = YES;
i--;
}else if(imgV1.hidden == NO && a[i][j] == a[ii][j]){
a[ii][j] = 0;
a[i][j] = a[i][j] * 2;
[self changeScore:a[i][j]];
[self setImage:imgV1 withNo:a[i][j]];
imgV2.hidden = YES;
self.moving = YES;
}else{

}

break;
}

}
}
}
[self isGameOver];
}

// 向右划
- (void)swipRight
{
for (int j = 3; j >= 0; j --) {
for (int i = 3; i >= 0; i--) {
for (int ii = i-1; ii >= 0; ii--) {
UIImageView *imgV1 = self.cards[i][j];
UIImageView *imgV2 = self.cards[ii][j];
if (imgV2.hidden == NO) {
if (imgV1.hidden == YES) {
[self swipWithX1:i Y1:j andX2:ii Y2:j];
//a[ii][j] = 0;
self.moving = YES;
i++;
}else if(imgV1.hidden == NO && a[i][j] == a[ii][j]){
a[ii][j] = 0;
a[i][j] = a[i][j] * 2;
[self changeScore:a[i][j]];
[self setImage:imgV1 withNo:a[i][j]];
imgV2.hidden = YES;
self.moving = YES;
}else{

}

break;
}

}
}
}
[self isGameOver];
}

// 判断是否结束游戏
- (void)isGameOver
{
BOOL die = YES;
for (int i = 0; i < 4 && die; i++) {
for (int j = 0; j < 4 ; j++) {
//            NSLog(@"i = %d, j = %d", i, j);
if (i == 0 && j == 0) {
if (a[i][j] == 0 || a[i][j] == a[i+1][j] || a[i][j] == a[i][j+1]) {
die = NO;
break;
}
}else if (i == 0 && j == 3) {
if (a[i][j] == 0 || a[i][j] == a[i+1][j] || a[i][j] == a[i][j-1]) {
die = NO;
break;
}
} else if (i == 3 && j == 0) {
if (a[i][j] == 0 || a[i][j] == a[i-1][j] || a[i][j] == a[i][j+1]) {
die = NO;
break;
}
} else if (i == 3 && j == 3) {
if (a[i][j] == 0 || a[i][j] == a[i-1][j] || a[i][j] == a[i][j-1]) {
die = NO;
break;
}
} else if (i > 0 && i < 3 && j > 0 && j < 3) {
if (a[i][j] == 0 || a[i][j] == a[i-1][j] || a[i][j] == a[i+1][j] || a[i][j] == a[i][j-1] || a[i][j] == a[i][j+1]) {
die = NO;
break;
}
} else if (i == 0) {
if (a[i][j] == 0 || a[i][j] == a[i][j+1] || a[i][j] == a[i][j-1] || a[i][j] == a[i+1][j]) {
die = NO;
break;
}
} else if (j == 0) {
if (a[i][j] == 0 || a[i][j] == a[i+1][j] || a[i][j] == a[i-1][j] || a[i][j] == a[i][j+1]) {
die = NO;
break;
}
} else if (i == 3) {
if (a[i][j] == 0 || a[i][j] == a[i][j+1] || a[i][j] == a[i][j-1] || a[i][j] == a[i-1][j]) {
die = NO;
break;
}
} else if (j == 3) {
if (a[i][j] == 0 || a[i][j] == a[i+1][j] || a[i][j] == a[i-1][j] || a[i][j] == a[i][j-1]) {
die = NO;
break;
}
}

}
}

if (die) {
NSLog(@"die = %d", die);
// 结束游戏时弹出提示框
[[[UIAlertView alloc] initWithTitle:@"重新开始" message:nil delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil] show];
}
}

/**
* 更改分数
*/
- (void)changeScore:(int)score
{
self.score += score;
self.scoreLabel.text = [NSString stringWithFormat:@" sco:%d", self.score];
if (self.score > self.bestScore) {
self.bestScore = self.score;
self.bestScoreLabel.text = [NSString stringWithFormat:@"Bsco:%d", self.bestScore];
}
}

- (void)viewDidLoad {
self.bestScoreLabel.text = @"Bsc:0";
self.scoreLabel.text = @" sc:0";
[self gameView];
//    [self cards];
[self addImage];
[self addImage];

}

// 记录下接触屏幕时的位置
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
for (UITouch *touch in touches) {
self.startP = [touch locationInView:self.view];
}
}

/**
* 该方法可得到离开屏幕时的位置,并且根据开始时的位置判断划的方向
*/
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
for (UITouch *touch in touches) {
self.endP = [touch locationInView:self.view];
}

CGFloat moveX = self.endP.x - self.startP.x;
CGFloat moveY = self.endP.y - self.startP.y;

if (fabs(moveX) > 5 || fabs(moveY) > 5) { // 5是误差
if (fabs(moveX) > fabs(moveY)) {
if (moveX > 0) {
[self swipRight];
if (self.moving) {
self.moving = NO;
[self addImage];
}
}else{
[self swipLeft];
if (self.moving) {
self.moving = NO;
[self addImage];
}
}
}else{
if (moveY > 0) {
[self swipBottom];
if (self.moving) {
self.moving = NO;
[self addImage];
}
}else{
//                NSLog(@"上");
[self swipTop];
if (self.moving) {
self.moving = NO;
[self addImage];
}
}
}
}
}

#pragma mark - alertView代理方法
/**
* 游戏结束时,提示是否重新开始
*/
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
NSLog(@"%d", (int)buttonIndex);
if ((int)buttonIndex == 1) {
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
UIImageView *imgV = self.cards[i][j];
imgV.hidden = YES;
a[i][j] = 0;
}
}
self.score = 0;
self.scoreLabel.text = @" sco:0";
[self addImage];
[self addImage];
}
}

@end

运行效果如图: