iOS 陀螺仪与UITouch 简单运用

#import "ViewController.h"

#import //陀螺仪

@interface ViewController ()

@property (nonatomic, strong) CMMotionManager *motionManager;//陀螺仪

@property (nonatomic, strong) UIImageView *circleView;

@property (nonatomic, strong) UIImageView *anotherView;

@end

@implementation ViewController

{

    UIImageView*tempImageView;

}

- (void)dealloc

{

    _motionManager = nil;

}

-(CMMotionManager*)motionManager {

    if (_motionManager == nil) {

        _motionManager= [[CMMotionManageralloc]init];

    }

    return _motionManager;

}

- (void)stopUpdate//陀螺仪暂停

{

    if ([self.motionManager isAccelerometerActive] == YES)

    {

        [self.motionManager stopAccelerometerUpdates];

    }

}

- (void)startUpdateAccelerometerResult{//陀螺仪开始

    if ([self.motionManager isAccelerometerAvailable] == YES) {

        [self.motionManager setAccelerometerUpdateInterval:0.06];

        [self.motionManager startAccelerometerUpdatesToQueue:[NSOperationQueue currentQueue] withHandler:^(CMAccelerometerData *accelerometerData, NSError *error)

         {

             doublex = accelerometerData.acceleration.x;

             doubley = accelerometerData.acceleration.y;

             intDown =0, Portrait =0, Right =0, Left =0;

             if(fabs(y) >=fabs(x))

             {

                 if(y >=1){

                     //Down

                     Down--;

                     NSLog(@"Down");

                 }

                 if(y<= -1){

                     //Portrait

                     Portrait++;

                     NSLog(@"Portrait");

                 }

             }

             else

             {

                 if(x >=1){

                     //Right

                     Right++;

                     NSLog(@"Right");

                 }

                 if(x<= -1){

                     //Left

                     Left--;

                     NSLog(@"Left");

                 }

             }

             [UIView animateWithDuration:0.1f animations:^{

                 CGRectrect =self->_circleView.frame;

                 floatxx = rect.origin.x+Left*50+Right*50<0?0: rect.origin.x+Left*50+Right*50;

                 floatyy = rect.origin.y+Down*50+Portrait*50<64?64:rect.origin.y+Down*50+Portrait*50;

                 self->_circleView.frame = CGRectMake(xx > (self.view.frame.size.width-100) ? (self.view.frame.size.width-100) : xx, yy > (self.view.frame.size.height-100) ? (self.view.frame.size.height-100) : yy, rect.size.width, rect.size.height);

                 CGRectrectF =self->_anotherView.frame;

                 floatmm = rectF.origin.x-Left*50-Right*50<0?0: rectF.origin.x-Left*50-Right*50;

                 floatnn = rectF.origin.y-Down*50-Portrait*50<64?64:rectF.origin.y-Down*50-Portrait*50;

                   self->_anotherView.frame=CGRectMake(mm > (self.view.frame.size.width-100) ? (self.view.frame.size.width-100) : mm, nn > (self.view.frame.size.height-100) ? (self.view.frame.size.height-100) : nn, rectF.size.width, rectF.size.height);

             }];

         }];

    }

}

- (void)viewDidLoad {

    [super viewDidLoad];

    self.title  =@"小创测试";

    [self startUpdateAccelerometerResult];

    [self.viewaddSubview:self.circleView];

    [self.view addSubview:self.anotherView];

    //

    [self.view setUserInteractionEnabled:YES];

    [self.view setMultipleTouchEnabled:YES];

}

#pragma touch

- (void) touchesMoved:(NSSet *)touches withEvent:(UIEvent*)event

{

    //获取任意一个touch对象

    UITouch* pTouch = [touchesanyObject];

    //获取对象所在的坐标

    CGPointpoint = [pTouchlocationInView:self.view];

    //以字符的形式输出触摸点

    NSLog(@"触摸点的坐标：%@",NSStringFromCGPoint(point));

    [UIView animateWithDuration:0.1f animations:^{

        CGRectrect =self->_circleView.frame;

        floatxx = point.x<0?0:point.x;

        floatyy = point.y<64?64: point.y;

        self->tempImageView.frame = CGRectMake(xx > (self.view.frame.size.width-100) ? (self.view.frame.size.width-100) : xx, yy > (self.view.frame.size.height-100) ? (self.view.frame.size.height-100) : yy, rect.size.width, rect.size.height);

    }];

}

- (void)touchesBegan:(NSSet *)touches withEvent:(nullableUIEvent*)event{

    //获取任意一个touch对象

    UITouch* pTouch = [touchesanyObject];

    //获取对象所在的坐标

    CGPointpoint = [pTouchlocationInView:self.view];

    //以字符的形式输出触摸点

    NSLog(@"开始的坐标：%@",NSStringFromCGPoint(point));

    //获取触摸的次数

    //NSUInteger tapCount = [pTouch tapCount];

    if (tempImageView == nil) {

        floatdistance1;

        //下面就是高中的数学，不详细解释了

        CGFloatxDist = (point.x-_circleView.frame.origin.x);

        CGFloatyDist = (point.y-_circleView.frame.origin.y);

        distance1 =sqrt((xDist * xDist) + (yDist * yDist));

        floatdistance2;

        //下面就是高中的数学，不详细解释了

        CGFloatxDist2 = (point.x-_anotherView.frame.origin.x);

        CGFloatyDist2 = (point.y-_anotherView.frame.origin.y);

        distance2 =sqrt((xDist2 * xDist2) + (yDist2 * yDist2));

        if(distance1 >= distance2) {

            tempImageView = _anotherView;

        }else{

           tempImageView = _circleView;

        }

    }

    [UIView animateWithDuration:0.1f animations:^{

        CGRectrect =self->_circleView.frame;

        floatxx = point.x<0?0:point.x;

        floatyy = point.y<64?64: point.y;

        self->tempImageView.frame = CGRectMake(xx > (self.view.frame.size.width-100) ? (self.view.frame.size.width-100) : xx, yy > (self.view.frame.size.height-100) ? (self.view.frame.size.height-100) : yy, rect.size.width, rect.size.height);

    }];

}

- (void)touchesEnded:(NSSet *)touches withEvent:(nullableUIEvent*)even{

    //获取任意一个touch对象

    UITouch* pTouch = [touchesanyObject];

    //获取对象所在的坐标

    CGPointpoint = [pTouchlocationInView:self.view];

    //以字符的形式输出触摸点

    NSLog(@"结束的坐标：%@",NSStringFromCGPoint(point));

    [UIView animateWithDuration:0.1f animations:^{

        CGRectrect =self->_circleView.frame;

        floatxx = point.x<0?0:point.x;

        floatyy = point.y<64?64: point.y;

        self->tempImageView.frame = CGRectMake(xx > (self.view.frame.size.width-100) ? (self.view.frame.size.width-100) : xx, yy > (self.view.frame.size.height-100) ? (self.view.frame.size.height-100) : yy, rect.size.width, rect.size.height);

    }];

}

-(UIImageView*)circleView{

    if(_circleView==nil) {

        _circleView= [[UIImageViewalloc]init];

        _circleView.backgroundColor = [UIColor orangeColor];

        _circleView.frame = CGRectMake(self.view.frame.size.width/2-50, self.view.frame.size.height/2-100, 100, 100);

        _circleView.layer.cornerRadius = 50;

        _circleView.layer.masksToBounds = YES;

        _circleView.userInteractionEnabled = YES;

        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction1:)];

        [_circleView addGestureRecognizer:tap];

    }

    return _circleView;

}

-(UIImageView*)anotherView{

    if(_anotherView==nil) {

        _anotherView= [[UIImageViewalloc]init];

        _anotherView.backgroundColor = [UIColor purpleColor];

        _anotherView.frame = CGRectMake(self.view.frame.size.width/2-50, self.view.frame.size.height/2+100, 100, 100);

        _anotherView.layer.cornerRadius = 50;

        _anotherView.layer.masksToBounds = YES;

        _anotherView.userInteractionEnabled = YES;

        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction2:)];

        [_anotherView addGestureRecognizer:tap];

    }

    return _anotherView;

}

-(void)tapAction1:(UITapGestureRecognizer *)tap{

    tempImageView= (UIImageView*)tap.view;

}

-(void)tapAction2:(UITapGestureRecognizer *)tap{

    tempImageView= (UIImageView*)tap.view;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end