FlyBird
来源：互联网 发布：手机淘宝怎么找星店 编辑：程序博客网 时间：2024/05/22 04:54
网上看到了人家写的FlyBird 但是注释很少 ，这里仅仅把人家的代码拿过来做了一个简单注释
原网站链接 有兴趣的可以去看一下源代码
http://code4app.com/ios/%E7%AC%A8%E5%B0%8F%E9%B8%9F/538eb12f933bf0a96d8b4b66
#import "BirdFlyViewController.h"//3.0初速度需要60秒减少至0const float MaxTime = 50;//加速度，方向向下const float VG = 0.05;//初速度const float MaxV = 2.5;//初始化总路程const float AllLength = 692;typedef enum { GameNoStart, GamePlaying, GameOver } GameState;@interface BirdFlyViewController (){ NSTimer *birdTimer; //开始游戏开关 BOOL isStart; //游戏状态 GameState gameState; //总场景 UIView *playLayer; //小鸟 UIImageView *birdImgView; //小鸟的壳 UIView *birdClotherView; //跳跃时间 float maxJumpTime; //滚动的背景 UIView *bgView1; UIView *bgView2; //管道 //第一个View的第一根管道 UIView *pileImgView11; //第一个View的第二根管道 UIView *pileImgView12; //第二个View的第一根管道 UIView *pileImgView21; //第二个View的第二根管道 UIView *pileImgView22; //得分 UILabel *scoreLabel; NSInteger score;}@end@implementation BirdFlyViewController- (void)dealloc{ [birdTimer invalidate]; playLayer = nil; pileImgView11 = nil; pileImgView12 = nil; pileImgView21 = nil; pileImgView22 = nil;}- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{ self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self;}- (void)viewDidLoad{ [super viewDidLoad]; [self initBirdAndOther]; birdTimer = [NSTimer scheduledTimerWithTimeInterval:0.04 target:self selector:@selector(upda) userInfo:nil repeats:YES];}- (void)didReceiveMemoryWarning{ [super didReceiveMemoryWarning];}#pragma mark - #pragma mark - 横竖屏幕//只支持portait,不能旋转:-(BOOL)shouldAutorotate{ return NO;}-(NSUInteger)supportedInterfaceOrientations{ return UIInterfaceOrientationMaskPortrait;}#pragma mark -#pragma mark - 频率刷新- (void) upda{ //判断 if (isStart == YES && gameState == GamePlaying) { [self updateBird]; [self updateBg]; [self setPiles]; [self checkBirdRect]; }}#pragma mark -#pragma mark - 初始化- (void) initBirdAndOther{ //初始化总场景 playLayer = [[UIView alloc] initWithFrame:self.view.bounds]; [self.view addSubview:playLayer]; UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(screenTap)]; [self.view addGestureRecognizer:tapGesture]; //初始化障碍物 bgView1 = [[UIView alloc] initWithFrame:self.view.bounds]; bgView2 = [[UIView alloc] initWithFrame:CGRectMake(320, 0, self.view.bounds.size.width, self.view.bounds.size.height)]; [playLayer addSubview:bgView1]; [playLayer addSubview:bgView2]; //中间的管道 pileImgView11 = [self addPilesAtX:0]; [bgView1 addSubview:pileImgView11]; bgView1.backgroundColor = [UIColor redColor]; pileImgView11.hidden = YES; pileImgView21 = [self addPilesAtX:0]; [bgView2 addSubview:pileImgView21]; bgView2.backgroundColor = [UIColor blackColor]; pileImgView12 = [self addPilesAtX:160]; [bgView1 addSubview:pileImgView12]; pileImgView12.hidden = YES; pileImgView22 = [self addPilesAtX:160]; [bgView2 addSubview:pileImgView22]; //底部草 UIImageView *buttomImg1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, [[UIScreen mainScreen] bounds].size.height - 53, 320, 53)]; buttomImg1.image = [UIImage imageNamed:@"ground"]; [bgView1 addSubview:buttomImg1]; UIImageView *buttomImg2 = [[UIImageView alloc] initWithFrame:CGRectMake(0, [[UIScreen mainScreen] bounds].size.height - 53, 320, 53)]; buttomImg2.image = [UIImage imageNamed:@"ground"]; [bgView2 addSubview:buttomImg2]; //小鸟的衣服 birdClotherView = [[UIView alloc] initWithFrame:CGRectMake(60, [[UIScreen mainScreen] bounds].size.height/2 + 80, 40, 30)]; [playLayer addSubview:birdClotherView]; //初始化小鸟 birdImgView = [[UIImageView alloc] init]; birdImgView.frame = CGRectMake(0, 0, 40, 28); birdImgView.image = [UIImage imageNamed:@"bird"]; birdImgView.backgroundColor = [UIColor redColor]; [birdClotherView addSubview:birdImgView]; //得分 scoreLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 40, 300, 30)]; scoreLabel.textAlignment = NSTextAlignmentRight; [playLayer addSubview:scoreLabel]; scoreLabel.text = @"score: 0";}#pragma mark -#pragma mark - 点击屏幕开始和跳跃- (void) screenTap{ //没点击一次 maxJumpTime = MaxTime; if (isStart == NO) { isStart = YES; gameState = GamePlaying; for (UIView *tmpView in self.view.subviews) { [tmpView removeFromSuperview]; } [self initBirdAndOther]; } //仰角30度旋转 CGAffineTransform transform = CGAffineTransformIdentity; birdImgView.transform = CGAffineTransformRotate(transform, -30 * M_PI / 180 );}#pragma mark - 设置管道- (void) setPiles{ NSInteger tmpY = rand()%120; if (bgView1.frame.origin.x == -53) { //设置第一个管道 CGRect rect = pileImgView11.frame; rect.origin.y = tmpY - 120; pileImgView11.frame = rect; if (pileImgView11.hidden == YES) { pileImgView11.hidden = NO; } } if (bgView1.frame.origin.x == -213) { //设置第二个管道 CGRect rect = pileImgView12.frame; rect.origin.y = tmpY - 120; pileImgView12.frame = rect; if (pileImgView12.hidden == YES) { pileImgView12.hidden = NO; } } if (bgView2.frame.origin.x == -53) { //设置第三个管道 CGRect rect = pileImgView21.frame; rect.origin.y = tmpY - 120; pileImgView21.frame = rect; } if (bgView2.frame.origin.x == -213) { //设置第四个管道 CGRect rect = pileImgView22.frame; rect.origin.y = tmpY - 120; pileImgView22.frame = rect; }}#pragma mark -#pragma mark - 碰撞检测- (void) checkBirdRect{ //碰撞检测 float birdRightX = birdClotherView.frame.origin.x + 34; float birdButtomY = birdClotherView.frame.origin.y + 24; float birdUpY = birdClotherView.frame.origin.y; //计算障碍物 //下面的柱子和上面的柱子检测 if ((birdRightX - 0 == bgView1.frame.origin.x && birdUpY >= 319 + (pileImgView11.frame.origin.y + 120))) { if (pileImgView11.hidden == NO) { [self gameOver]; } } else if(birdRightX - 0 == bgView1.frame.origin.x && birdButtomY <= 199 + (pileImgView11.frame.origin.y + 120)) { if (pileImgView11.hidden == NO) { [self gameOver]; } } if ((birdRightX - 160 == bgView1.frame.origin.x && birdUpY >= 319 + (pileImgView12.frame.origin.y + 120))) { if (pileImgView12.hidden == NO) { [self gameOver]; } } else if(birdRightX - 160 == bgView1.frame.origin.x && birdButtomY <= 199 + (pileImgView12.frame.origin.y + 120)) { if (pileImgView12.hidden == NO) { [self gameOver]; } } if ((birdRightX - 0 == bgView2.frame.origin.x && birdUpY >= 319 + (pileImgView21.frame.origin.y + 120))) { [self gameOver]; } else if(birdRightX - 0 == bgView2.frame.origin.x && birdButtomY <= 199 + (pileImgView21.frame.origin.y + 120)) { [self gameOver]; } if ((birdRightX - 160 == bgView2.frame.origin.x && birdUpY >= 319 + (pileImgView22.frame.origin.y + 120))) { [self gameOver]; } else if(birdRightX - 160 == bgView2.frame.origin.x && birdButtomY <= 199 + (pileImgView22.frame.origin.y + 120)) { [self gameOver]; } //上下柱子横截面检测 if (birdRightX - 0 > bgView1.frame.origin.x && bgView1.frame.origin.x >= birdRightX - 0 - 52 - 34 && (birdUpY <= 199 + (pileImgView11.frame.origin.y + 120) || birdButtomY >= 319 + (pileImgView11.frame.origin.y + 120))) { if (pileImgView11.hidden == NO) { [self gameOver]; } } if (birdRightX - 160 > bgView1.frame.origin.x && bgView1.frame.origin.x >= birdRightX - 160 - 52 - 34 && (birdUpY <= 199 + (pileImgView12.frame.origin.y + 120) || birdButtomY >= 319 + (pileImgView12.frame.origin.y + 120))) { if (pileImgView12.hidden == NO) { [self gameOver]; } } if (birdRightX - 0 > bgView2.frame.origin.x && bgView2.frame.origin.x >= birdRightX - 0 - 52 - 34 && (birdUpY <= 199 + (pileImgView21.frame.origin.y + 120) || birdButtomY >= 319 + (pileImgView21.frame.origin.y + 120))) { if (pileImgView12.hidden == NO) { [self gameOver]; } } if (birdRightX - 160 > bgView2.frame.origin.x && bgView2.frame.origin.x >= birdRightX - 160 - 52 - 34 && (birdUpY <= 199 + (pileImgView22.frame.origin.y + 120) || birdButtomY >= 319 + (pileImgView22.frame.origin.y + 120))) { [self gameOver]; } //判断地平线 if (birdButtomY >= [[UIScreen mainScreen] bounds].size.height - 53) { [self gameOver]; }}#pragma mark -#pragma mark - 碰撞处理- (void) gameOver{ isStart = NO; gameState = GameOver; score = 0;}#pragma mark -#pragma mark - 更新小鸟的坐标位置- (void) updateBird{ maxJumpTime --; CGRect rect = birdClotherView.frame; //正在上升 if (maxJumpTime >= 0) { rect.origin.y = rect.origin.y - (MaxV - (MaxTime - maxJumpTime)*VG); } else { //下降 //俯角30度旋转 CGAffineTransform transform = CGAffineTransformIdentity; birdImgView.transform = CGAffineTransformRotate(transform, 30 * M_PI / 180 ); rect.origin.y = rect.origin.y - (maxJumpTime*VG); } birdClotherView.frame = rect;}- (void) updateBg{ CGRect rect1 = bgView1.frame; CGRect rect2 = bgView2.frame; if (rect1.origin.x <= -320) { rect1.origin.x = 320; } if (rect2.origin.x <= -320) { rect2.origin.x = 320; } rect1.origin.x = rect1.origin.x - 1; rect2.origin.x = rect2.origin.x - 1; bgView1.frame = rect1; bgView2.frame = rect2; if (rect1.origin.x == 0 || rect1.origin.x == -160 || rect2.origin.x == 0 || rect2.origin.x == -160) { if (pileImgView11.hidden == YES || pileImgView12.hidden == YES) { return; } score += 1; scoreLabel.text = [NSString stringWithFormat:@"score: %d",score]; }}#pragma mark -#pragma mark - 产生障碍物 一次添加上下两根障碍物- (UIView *) addPilesAtX:(float) originX{ /** * pileView的大小是固定的 * 应为frame的关系所以每次显示在屏幕上的给人的感觉是自动算出来的大小 */ NSInteger tmpY = rand()%120; //0位置和160的未知 山下间隔120px UIView *pileView = [[UIView alloc] initWithFrame:CGRectMake(originX, tmpY - 120, 52, 758)]; UIImageView *pileImg1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 52, 319)]; pileImg1.image = [UIImage imageNamed:@"up_bar"]; [pileView addSubview:pileImg1]; UIImageView *pileImg2 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 439, 52, 319)]; pileImg2.image = [UIImage imageNamed:@"down_bar"]; [pileView addSubview:pileImg2]; return pileView; }@end 0 0
