////  MHViewController.m//  01-石头剪刀布////  Created by ZM on 14-7-15.//  Copyright (c) 2014年 MH. All rights reserved.//// 0.png == 石头   1.png == 剪刀   2.png == 布#import "MHViewController.h"#import <AVFoundation/AVFoundation.h>#import <AudioToolbox/AudioToolbox.h>// 输赢信息的缩放比例#define kScaleX     1.5#define kScaleY     1.3// 显示输赢信息动画持续的时间#define kMessageDurationTime  0.5// 出拳动画播放持续的时间#define kDurationTime  1// 音效#define kWinSound       @"胜利.aiff"#define kFailureSound   @"失败.aiff"#define kDrawSound      @"和局.aiff"#define kClickSound     @"点击按钮.aiff"// 背景音乐#define kBgMusic        @"bgMusic.mp3"@interface MHViewController (){    // 玩家和电脑的得分  NSInteger 没有赋值，默认初始值为 0    NSInteger _plScore;    NSInteger _cpScore;        // 数组存放图片    NSMutableArray *_imageArray;        // 背景音乐    AVAudioPlayer *_bgMusic;}@end@implementation MHViewController- (void)viewDidLoad{    [super viewDidLoad];    _imageArray = [NSMutableArray array];    // 1. 添加需要执行动画的图片    for (int i = 0; i < 3; i++) {        NSString *name = [NSString stringWithFormat:@"%d.png", i];        UIImage *image = [UIImage imageNamed:name];        [_imageArray addObject:image];    }        // 2. 设置播放数组    [_playerImage setAnimationImages:_imageArray];    [_computerImage setAnimationImages:_imageArray];        // 3. 播放持续时间    [_playerImage setAnimationDuration:kDurationTime];    [_computerImage setAnimationDuration:kDurationTime];        // 4. 开始播放    [_playerImage startAnimating];    [_computerImage startAnimating];        // 5. 初始化背景音乐    _bgMusic = [self initbgWithMusic:kBgMusic loopTime:-1];    [_bgMusic play];    }#pragma mark 音效处理- (SystemSoundID)loadSoundWithSoundName:(NSString *)soundName{    // 1. 加载路径    NSString *path = [[NSBundle mainBundle] pathForResource:soundName ofType:nil];    // 2. 转成url    NSURL *url = [NSURL fileURLWithPath:path];    // 3. SystemSoundID    SystemSoundID soundID;    // 4. 创建音频id    AudioServicesCreateSystemSoundID((__bridge CFURLRef)(url), &soundID);     return soundID;}#pragma mark 初始化背景音乐- (AVAudioPlayer *)initbgWithMusic:(NSString *)musicName loopTime:(NSInteger) loopTime{    // 1 加载背景音乐路径    NSString *path = [[NSBundle mainBundle] pathForResource:musicName ofType:nil];    // 2 转成 url. 从本地读取文件，需要使用 fileURLWithPath    NSURL *url = [NSURL fileURLWithPath:path];    // 3 初始化    AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];    // 4 设置背景音乐循环的次数 0 循环一次， 1 循环两次 负数 无线循环    [_bgMusic setNumberOfLoops:loopTime];    // 5 播放之前都要执行一个操作 ： 准备    [_bgMusic prepareToPlay];    // 6 设置音量大小    [_bgMusic setVolume:0.5f];        return player;}#pragma mark 从新开始游戏- (IBAction)resumePlaye:(UIButton *)sender {        // 播放点击音效    AudioServicesPlaySystemSound([self loadSoundWithSoundName:kClickSound]);        [UIView animateWithDuration:2 animations:^{        // 显示操作按钮        _actionView.hidden = NO;    }];        // 开始播放    [_playerImage startAnimating];    [_computerImage startAnimating];        // 恢复 _resultMeaage     _resultMessage.transform = CGAffineTransformIdentity;        // 隐藏显示信息的Label    _resultMessage.hidden = YES;}#pragma mark 玩家出拳// 0.png == 石头   1.png == 剪刀   2.png == 布- (IBAction)playerAction:(UIButton *)sender {        // 停止游戏    [_playerImage stopAnimating];    [_computerImage stopAnimating];        // 玩家出拳    NSString *name = [NSString stringWithFormat:@"%d.png", sender.tag];    _playerImage.image = [UIImage imageNamed:name];        // 电脑随机出拳    int num = arc4random_uniform(_imageArray.count);    NSString *compImage = [NSString stringWithFormat:@"%d.png", num];    _computerImage.image = [UIImage imageNamed:compImage];        // 调用判断玩家输赢的方法    [self judgeWinWithPlayerTag:sender.tag computerNum:num];        // 执行动画    [self resultWithAnimation];}#pragma mark 判断输赢- (void)judgeWinWithPlayerTag:(NSInteger)playerNum computerNum:(NSInteger)computerNum{        // 玩家赢 0.png == 石头   1.png == 剪刀   2.png == 布    // 左边为电脑    1剪刀 - 0石头 = 1 ,   2布 - 1剪刀 = 1 ,     玩家 ：2布 - 电脑 ：0石头    BOOL flage = (computerNum - playerNum == 1) || (playerNum - computerNum == 2);        if (flage) {    // 玩家赢        // 播放音效        AudioServicesPlaySystemSound([self loadSoundWithSoundName:kWinSound]);         _resultMessage.text = @"屌丝, 你赢了";        // 玩家得分        _playerScore.text = [NSString stringWithFormat:@"%d", ++_plScore];            } else if (computerNum == playerNum) {  // 平局        AudioServicesPlaySystemSound([self loadSoundWithSoundName:kDrawSound]);        _resultMessage.text = @"土豪，我们再玩一局吧";            } else {    // 电脑赢        AudioServicesPlaySystemSound([self loadSoundWithSoundName:kFailureSound]);        _resultMessage.text = @"屌丝, 你输了";        _computerScore.text = [NSString stringWithFormat:@"%d", ++_cpScore];    }}#pragma mark 显示 出拳解决 执行动画- (void)resultWithAnimation{    // 设置 _resultMeaage 属性    // 添加动画    [UIView animateWithDuration:kMessageDurationTime animations:^{        // 文字缩放        _resultMessage.transform = CGAffineTransformScale(_resultMessage.transform, kScaleX, kScaleY);        // 显示信息        _resultMessage.hidden = NO;    } completion:^(BOOL finished) {                // 动画反转        [UIView animateWithDuration:kMessageDurationTime animations:^{            _resultMessage.transform = CGAffineTransformInvert(_resultMessage.transform);        }];                // 显示操作按钮        _actionView.hidden = YES;    }];}@end