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) IBOutlet
UIButton *myBall;

@property (nonatomic,assign)CGRect oldFrame;

@property (weak,
nonatomic) IBOutlet
UILabel *tip;

@property (weak,
nonatomic) IBOutlet
UILabel *label;

@property (nonatomic,assign)BOOL bRet;

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

@end

@implementation TRViewController

- (void)viewDidLoad
{

    [super
viewDidLoad];

    

  

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

    self.manager = [[CMMotionManager
alloc]init];

    [self.manager
setAccelerometerUpdateInterval:1.0/30];

    [self.manager
startAccelerometerUpdates];

    self.oldFrame =
self.myBall.frame;
   
self.bRet =
YES;

    [NSTimer
scheduledTimerWithTimeInterval:1.0/30
target:self
selector:
4000
@selector(getInfo)
userInfo:nil
repeats: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)
    {

        [UIView
animateWithDuration:2
animations:^{
           
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";

        [UIView
animateWithDuration:5
animations:^{
           
self.tip.alpha =
0;

            
        }completion:^(BOOL finisd)
         {
            
self.tip.text =
@"";
            
self.tip.alpha =
1;
         }];
    }
   
for (UIView* iv
in self.iv)
    {
       
if (CGRectIntersectsRect(self.myBall.frame, iv.frame))
        {
           
if (2 ==iv.tag)
            {

                UIAlertView* alertView = [[UIAlertView
alloc]initWithTitle:@"恭喜"
message:@"你赢了" delegate:self
cancelButtonTitle:@"确定"
otherButtonTitles:nil];
                [alertView
show];
            }
           
else if (1 == iv.tag)
            {
               
UIImage* image = [UIImage
imageNamed:@"IMG_0993.JPG"];
               
UIImageView* imageView = [[UIImageView
alloc]initWithImage:image];
                imageView.frame =
self.view.frame;
                [self.view
addSubview:imageView];
               
NSString *path=[[NSBundle
mainBundle] pathForResource:@"ghost"
ofType:@"mp3"];

            
               
NSURL *url = [NSURL
fileURLWithPath:path];
               
self.player = [[AVAudioPlayer
alloc]initWithContentsOfURL:url
error:nil];
               
self.player.delegate =
self;
                [self.player
play];

                [UIView
animateWithDuration:5.0
animations:^{
                    imageView.alpha =
0;

                    
                }completion:^(BOOL finished){
                    [imageView
removeFromSuperview];
                }];
            }

            [UIView
animateWithDuration:2
animations:^{
           
self.myBall.frame =
self.oldFrame;
            }];

            NSLog(@"xxxxxxxxxxxxxxxx");
        }
    }

    
}