CoreMotion

#import "TRViewController.h"

#import <CoreMotion/CoreMotion.h>

#import <AVFoundation/AVFoundation.h>

@interface TRViewController ()<AVAudioPlayerDelegate>

@property (nonatomic,strong)AVAudioPlayer *player;

@property(nonatomic,strong)CMMotionManager* manager;

@property (weak, nonatomic) IBOutletUIButton *myBall;

@property (nonatomic,assign)CGRect oldFrame;

@property (weak, nonatomic) IBOutletUILabel *tip;

@property (weak, nonatomic) IBOutletUILabel *label;

@property (nonatomic,assign)BOOL bRet;

@property (strong,nonatomic) IBOutletCollection(UIView)NSArray *iv;

@end

@implementation TRViewController

- (void)viewDidLoad

{

    [superviewDidLoad];

    

  

// Do any additional setup after loading the view, typically from a nib.

    self.manager = [[CMMotionManageralloc]init];

    [self.managersetAccelerometerUpdateInterval:1.0/30];

    [self.managerstartAccelerometerUpdates];

    self.oldFrame =self.myBall.frame;

   self.bRet =YES;

    [NSTimerscheduledTimerWithTimeInterval:1.0/30target:selfselector:@selector(getInfo)userInfo:nilrepeats:YES];

    

}

-(void)getInfo

{

    CMAcceleration acc =self.manager.accelerometerData.acceleration;

    //NSLog(@"x = %f y = %f z = %f", acc.x, acc.y, acc.z);

   self.myBall.center =CGPointMake(self.myBall.center.x + acc.x,self.myBall.center.y-acc.y);

   if (self.myBall.center.x <0 || self.myBall.center.x >320 || self.myBall.center.y <0)

    {

        [UIViewanimateWithDuration:2animations:^{

           self.myBall.frame =self.oldFrame;

        }];

    }

   if (CGRectIntersectsRect(self.label.frame,self.myBall.frame) &&self.bRet ==YES)

    {

       self.bRet =NO;

       self.tip.text =@"请靠边行驶";

        [UIViewanimateWithDuration:5animations:^{

           self.tip.alpha =0;

            

        }completion:^(BOOL finisd)

         {

            self.tip.text =@"";

            self.tip.alpha =1;

         }];

    }

   for (UIView* ivin self.iv)

    {

       if (CGRectIntersectsRect(self.myBall.frame, iv.frame))

        {

           if (2 ==iv.tag)

            {

                UIAlertView* alertView = [[UIAlertViewalloc]initWithTitle:@"恭喜"message:@"你赢了" delegate:selfcancelButtonTitle:@"确定"otherButtonTitles:nil];

                [alertViewshow];

            }

           else if (1 == iv.tag)

            {

               UIImage* image = [UIImageimageNamed:@"IMG_0993.JPG"];

               UIImageView* imageView = [[UIImageViewalloc]initWithImage:image];

                imageView.frame =self.view.frame;

                [self.viewaddSubview:imageView];

               NSString *path=[[NSBundlemainBundle] pathForResource:@"ghost"ofType:@"mp3"];

            

               NSURL *url = [NSURLfileURLWithPath:path];

               self.player = [[AVAudioPlayeralloc]initWithContentsOfURL:urlerror:nil];

               self.player.delegate =self;

                [self.playerplay];

                [UIViewanimateWithDuration:5.0animations:^{

                    imageView.alpha =0;

                    

                }completion:^(BOOL finished){

                    [imageViewremoveFromSuperview];

                }];

            }

            [UIViewanimateWithDuration:2animations:^{

           self.myBall.frame =self.oldFrame;

            }];

            NSLog(@"xxxxxxxxxxxxxxxx");

        }

    }

    

}