IOS_加速計_衝突検出_小球位置修復_dispatch_once単例
H:/0802/01_accelerometer加速計+小球衝突検出_ViewController.h
H:/0802/01_accelerometer加速計+小球衝突検出_ViewController.m
H:/0802/02_MotionManager+ボール位置修復+衝突検出_ViewController.h
H:/0802/02_MotionManager+ボール位置修復+衝突検出_ViewController.m
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_AppDelegate.h
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_AppDelegate.m
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_ViewController.h
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_ViewController.m
//
// ViewController.h
// 01- 1
//
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController <UIAccelerometerDelegate>
//
@property (weak, nonatomic) IBOutlet UIView *ballView;
@end
H:/0802/01_accelerometer加速計+小球衝突検出_ViewController.m
// ViewController.m
// 01- 1
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
// ： Y UIKit Y 。!!!!!!
#import "ViewController.h"
@interface ViewController ()
{
//
CGPoint _ballVelocity;
}
@end
@implementation ViewController
- (void)viewDidLoad
{ [super viewDidLoad];
// 1. 0，
_ballVelocity = CGPointZero;
// 1. ( UIAccelerometer)
// : ,
UIAccelerometer *acce = [UIAccelerometer sharedAccelerometer];
// 2. , , ： HZ
[acce setUpdateInterval:1.0 / 30.0];
// 3. <UIAccelerometerDelegate>
[acce setDelegate:self];
}
#pragma mark -
//
- (void)updateBallLocation
{
//
// 1. ，
//
CGPoint center = [_ballView center];
// ，
CGFloat r = _ballView.frame.size.width / 2;
//
// 1.1
if (center.x < r) {
// , x ,
// , *0.8
_ballVelocity.x = 0.8 * abs(_ballVelocity.x);
} else if (center.x > self.view.bounds.size.width - r) {
// , x ,
// *0.8
_ballVelocity.x = -0.8 * abs(_ballVelocity.x);
}
// 1.2
if (center.y < r) {
// , y ,
// , *0.8
_ballVelocity.y = 0.8 * abs(_ballVelocity.y);
} else if (center.y > self.view.bounds.size.height - r) {
// , y ,
// , *0.8
_ballVelocity.y = -0.8 * abs(_ballVelocity.y);
}
// 2. ，
// +
// CGPoint center = [_ballView center];
[_ballView setCenter:CGPointMake(center.x + _ballVelocity.x,
center.y + _ballVelocity.y)];
}
// , ,
- (void)accelerometer:(UIAccelerometer *)accelerometer
didAccelerate:(UIAcceleration *)acceleration
{
/*acceleration ：x，y，z timestamp ，
x，y，z ， g, */
// NSLog ，
NSLog(@"%@", acceleration);
// 1. ， ， ，
// ，
_ballVelocity.x += acceleration.x;
// ： Y UIKit Y 。!!!!!!
_ballVelocity.y -= acceleration.y;
//
[self updateBallLocation];
}
@end
H:/0802/02_MotionManager+ボール位置修復+衝突検出_ViewController.h
//
// ViewController.h
// 02.CoreMotion Push
//
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
//
@property (weak, nonatomic) IBOutlet UIView *ballView;
@end
H:/0802/02_MotionManager+ボール位置修復+衝突検出_ViewController.m
// ViewController.m
// 02.CoreMotion Push
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
// ，
// ,
// , , *0.8 ,
// , , , ,
// ,
// ， ！
#import "ViewController.h"
// 3
#import <CoreMotion/CoreMotion.h>
@interface ViewController ()
{
// , ,
CMMotionManager *motionManger;
//
CGPoint _ballVelocity;
}
@end
@implementation ViewController
//
- (void)updateBallLocation
{
//
// 1. ，
//
CGPoint center = [_ballView center];
// ，
CGFloat r = _ballView.frame.size.width / 2;
NSLog(@" ---%@", NSStringFromCGPoint(center));
NSLog(@" ---%@", NSStringFromCGPoint(_ballVelocity));
// ，
// ,
// , , *0.8 ,
// , , , ,
// ,
// ， ！
if (center.x < r) {
// , x ,
// , *0.8
_ballVelocity.x = 0.8 * abs(_ballVelocity.x);
//
center.x = r;
} else if (center.x > self.view.bounds.size.width - r) {
// , x ,
// , *0.8
_ballVelocity.x = -0.8 * abs(_ballVelocity.x);
//
center.x = self.view.bounds.size.width - r;
}
if (center.y < r) {
// , y ,
// , *0.8
_ballVelocity.y = 0.8 * abs(_ballVelocity.y);
center.y = r;
} else if (center.y > self.view.bounds.size.height - r) {
// , y ,
// , *0.8
_ballVelocity.y = -0.8 * abs(_ballVelocity.y);
center.y = self.view.bounds.size.height - r;
}
// 2. ，
// +
// CGPoint center = [_ballView center];
[_ballView setCenter:CGPointMake(center.x + _ballVelocity.x,
center.y + _ballVelocity.y)];
CGFloat x = center.x + _ballVelocity.x;
CGFloat y = center.y + _ballVelocity.y;
NSLog(@" ---%@", NSStringFromCGPoint(CGPointMake(x, y)));
}
- (void)viewDidLoad
{
[super viewDidLoad];
// 1. alloc init Motion
motionManger = [[CMMotionManager alloc]init];
// 2.
if ([motionManger isAccelerometerAvailable]) {
// 3.
// 100 Hz, 60HZ
[motionManger setAccelerometerUpdateInterval:1 / 30];
// 4. startAccelerometerUpdatesToQueue
// ，Push , block Handle
[motionManger startAccelerometerUpdatesToQueue:[NSOperationQueue mainQueue]
withHandler:^(CMAccelerometerData *accelerometerData, NSError *error) {
// ： Log， ， Data，
//
// ， ，
_ballVelocity.x += accelerometerData.acceleration.x / 10;
// Y UI Y
_ballVelocity.y -= accelerometerData.acceleration.y / 10;
CGPoint a = CGPointMake(accelerometerData.acceleration.x / 10,
-accelerometerData.acceleration.y / 10);
NSLog(@" ---%@", NSStringFromCGPoint(a));
//[_ballView setCenter:CGPointMake(_ballView.center.x + _ballVelocity.x,
//_ballView.center.y + _ballVelocity.y)];
// , ,( )
[self updateBallLocation];
}];
} else {
NSLog(@" ");
}
}
@end
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_AppDelegate.h
// AppDelegate.h
// 02.CoreMotion Push
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
#import <UIKit/UIKit.h>
// 3
#import <CoreMotion/CoreMotion.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
// , , AppDelegate , controller
@property (strong, nonatomic, readonly) CMMotionManager *sharedMotionManager;
@end
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_AppDelegate.m
// AppDelegate.m
// 02.CoreMotion Push
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
// dispatch_once CMMotionManager
#import "AppDelegate.h"
@interface AppDelegate()
{
CMMotionManager *_montionManager;
}
@end
@implementation AppDelegate
#pragma mark - sharedMotionManager Getter ,
// , , AppDelegate , controller
- (CMMotionManager *)sharedMotionManager
{
// !!!!!!!! dispatch_one
// , ,
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
_montionManager = [[CMMotionManager alloc]init];
});
return _montionManager;
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
return YES;
}
- (void)applicationWillResignActive:(UIApplication *)application
{
}
- (void)applicationDidEnterBackground:(UIApplication *)application
{
}
- (void)applicationWillEnterForeground:(UIApplication *)application
{
}
- (void)applicationDidBecomeActive:(UIApplication *)application
{
}
- (void)applicationWillTerminate:(UIApplication *)application
{
}
@end
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_ViewController.h
//
// ViewController.h
// 02.CoreMotion Push
//
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
//
@property (weak, nonatomic) IBOutlet UIView *ballView;
@end
H:/0802/03_dispatch_once生成CMMotionManager単例+小球位置修正+衝突検出_ViewController.m
// ViewController.m
// 02.CoreMotion Push
// Created by apple on 13-8-2.
// Copyright (c) 2013 itcast. All rights reserved.
/*
AppDelegate.h 3 <CoreMotion/CoreMotion.h>
AppDelegate.m dispatch_once _montionManager
*/
#import "ViewController.h"
#import "AppDelegate.h"
@interface ViewController ()
{
//
CMMotionManager *motionManger;
//
CGPoint _ballVelocity;
}
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// 1. AppDelegate
AppDelegate *appDelegate = [[UIApplication sharedApplication]delegate];
motionManger = [appDelegate sharedMotionManager];
[self startAccelerometer];
}
// , ， ViewDidLoad
- (void)startAccelerometer
{
// 2.
if ([motionManger isAccelerometerAvailable]) {
// 3.
// 100 Hz
[motionManger setAccelerometerUpdateInterval:1 / 30];
// 4. ，Push
[motionManger startAccelerometerUpdatesToQueue:[NSOperationQueue mainQueue]
withHandler:^(CMAccelerometerData *accelerometerData, NSError *error) {
// ： Log， ， Data，
//
// ， ，
_ballVelocity.x += accelerometerData.acceleration.x / 10;
_ballVelocity.y -= accelerometerData.acceleration.y / 10;
//
CGPoint a = CGPointMake(accelerometerData.acceleration.x / 10,
-accelerometerData.acceleration.y / 10);
NSLog(@" ---%@", NSStringFromCGPoint(a));
//
//
// [_ballView setCenter:CGPointMake(_ballView.center.x + _ballVelocity.x,
//_ballView.center.y + _ballVelocity.y)];
// ,
[self updateBallLocation];
}];
} else {
NSLog(@" ");
}
}
// ,
- (void)updateBallLocation
{
//
// 1. ，
//
CGPoint center = [_ballView center];
// ，
CGFloat r = _ballView.frame.size.width / 2;
NSLog(@" ---%@", NSStringFromCGPoint(center));
NSLog(@" ---%@", NSStringFromCGPoint(_ballVelocity));
// ，
// ,
// , , *0.8 ,
// , , , ,
// ,
// ， ！
if (center.x < r) {
// x
_ballVelocity.x = 0.8 * abs(_ballVelocity.x);
//
center.x = r;
} else if (center.x > self.view.bounds.size.width - r) {
_ballVelocity.x = -0.8 * abs(_ballVelocity.x);
//
center.x = self.view.bounds.size.width - r;
}
// 1.2
if (center.y < r) {
_ballVelocity.y = 0.8 * abs(_ballVelocity.y);
//
center.y = r;
} else if (center.y > self.view.bounds.size.height - r) {
_ballVelocity.y = -0.8 * abs(_ballVelocity.y);
//
center.y = self.view.bounds.size.height - r;
}
//
// NSLog(@" ---%@", NSStringFromCGPoint(center));
// NSLog(@" ---%@", NSStringFromCGPoint(_ballVelocity));
// 2. ，
// +
[_ballView setCenter:CGPointMake(center.x + _ballVelocity.x, center.y + _ballVelocity.y)];
CGFloat x = center.x + _ballVelocity.x;
CGFloat y = center.y + _ballVelocity.y;
NSLog(@" ---%@", NSStringFromCGPoint(CGPointMake(x, y)));
}
#pragma mark - ，
// 1. Began ，
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
//
// ，
if ([motionManger isAccelerometerActive]) {
[motionManger stopAccelerometerUpdates];
} else {
//
[self startAccelerometer];
}
}
@end