//3.0初速度需要60秒减少至0 const 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 UIView *pileImgView11; UIView *pileImgView12; UIView *pileImgView21; 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:0.008 target:self selector:@selector(update) userInfo:nil repeats:YES]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } #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) update { //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]; pileImgView11.hidden = YES; pileImgView21 = [self addPilesAtX:0]; [bgView2 addSubview:pileImgView21]; 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"]; [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 - #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; } } else 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; } } else 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; } else 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; if (maxJumpTime >= 0) { rect.origin.y = rect.origin.y - (MaxV - (MaxTime - maxJumpTime)*VG); } else { //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: %ld",(long)score]; } } #pragma mark - #pragma mark - 产生障碍物 - (UIView *) addPilesAtX:(float) originX { 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; }
通过以上代码,就能实现一个小游戏了.
时间: 2024-10-05 21:48:25