balance_121112.m

gistfile1.m

//

//  ViewController.m

//  ball

//

//  Created by changhwi on 12/11/12.

//  Copyright (c) 2012年 changhwi. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

@synthesize ball;

@synthesize flash;

- (void)viewDidLoad

{

    [super viewDidLoad];

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

    //ballの初期値

    //ballの初期位置(position

    posX = 160.0;

    posY = 230.0;

    //ballの初期速度(speed

    speedX = 0.0;

    speedY = 0.0;

    //ballの初期加速度(acsel

    acselsX = 0.0;

    acselsY = 0.0;

    acselsZ = 0.0;

    

    //加速度センサー

    //加速度センサーの値を参照

    UIAccelerometer* acsel = [UIAccelerometer sharedAccelerometer];

    //加速度センサーの値を参照する間隔

    acsel.updateInterval = 0.2; //ここの値で動きが変わった。

    //加速度センサーの値を受け取るデリゲートを自分自身に設定

    acsel.delegate = self;

    

    //効果音

    NSString *path = [[NSBundle mainBundle] pathForResource:@"Beep" ofType:@"caf"];

    NSURL *url = [NSURL fileURLWithPath:path];AudioServicesCreateSystemSoundID((__bridge CFURLRef)url, &soundID);

    

    

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration

{

    acselsX = acceleration.x;

    acselsY = acceleration.y;

    acselsZ = acceleration.z;

    [self move];

    

    NSLog(@"X");

    NSLog(@"%f", acselsX);

    NSLog(@"Y");

    NSLog(@"%f", acselsY);

}

- (void)move

{

    speedX = speedX + acselsX;

    speedY = speedY - acselsY;

    

    posX = posX + speedX;

    posY = posY + speedY;

    

    if (posX <= 60) {

        speedX *= -1;

        posX = 60 + (60 - posX);

        [self bamp];

    }

    

    if (posX >= 260) {

        speedX *= -1;

        posX = 260 - (posX - 260);

        [self bamp];

    }

    if (posY <= 60) {

        speedY *= -1;

        posY = 60 + (60 - posY);

        [self bamp];

    }

    if (posY >= 400) {

        speedY *= -1;

        posY = 400 - (posY - 400);

        [self bamp];

    }

    ball.center = CGPointMake(posX, posY);

}

- (void)bamp

{

    AudioServicesPlaySystemSound(soundID);

    

    flash.alpha = 1.0;

    [UIView beginAnimations:nil context:nil];

    [UIView setAnimationDuration:1.0];

    flash.alpha = 0.0;

}

@end