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POCreate an app look like Guitar Hero
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copied!<p>I want to create an application like an Guitar Hero Game. So, I've six button named a1, a2, a3, a4, a5, a6 that played sounds. Then, I play a music consist of Guitar instrument strings.</p> <p>My Question is how can I create a function to tones follow the music played?</p> <p>@Derek: I'm sorry for my bad english.</p> <p>Now, I've create six button with IB that each button have different sound. I use IBAction to create button and use AVAudioPlayer to play the sound. This is my code: `</p> <pre><code>in .h .................{ AVAudioPlayer *av1, *av2, *av3, *av4, *av5, *av6; } @property (nonatomic, retain) AVAudioPlayer *av1, *av2, *av3, *av4, *av5, *av6; -(IBAction)one:(id)sender; -(IBAction)two:(id)sender; -(IBAction)three:(id)sender; -(IBAction)four:(id)sender; -(IBAction)five:(id)sender; -(IBAction)six:(id)sender; -(IBAction)play:(id)sender; in.m - (void)viewDidLoad { [super viewDidLoad]; //load file audio dan persiapkan untuk play //saron1 NSString *path1 = [[NSBundle mainBundle] pathForResource:@"sp1" ofType:@"wav"]; av1 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path1] error:NULL]; av1.delegate = self; [av1 setVolume:1.0]; [av1 prepareToPlay]; //saron2 NSString *path2 = [[NSBundle mainBundle] pathForResource:@"sp2" ofType:@"wav"]; av2 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path2] error:NULL]; av2.delegate = self; [av2 setVolume:1.0]; [av2 prepareToPlay]; //saron3 NSString *path3 = [[NSBundle mainBundle] pathForResource:@"sp3" ofType:@"wav"]; av3 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path3] error:NULL]; av3.delegate = self; [av3 setVolume:1.0]; [av3 prepareToPlay]; //saron4 NSString *path4 = [[NSBundle mainBundle] pathForResource:@"sp4" ofType:@"wav"]; av4 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path4] error:NULL]; av4.delegate = self; [av4 setVolume:1.0]; [av4 prepareToPlay]; //saron5 NSString *path5 = [[NSBundle mainBundle] pathForResource:@"sp5" ofType:@"wav"]; av5 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path5] error:NULL]; av5.delegate = self; [av5 setVolume:1.0]; [av5 prepareToPlay]; //saron6 NSString *path6 = [[NSBundle mainBundle] pathForResource:@"sp6" ofType:@"wav"]; av6 = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path6] error:NULL]; av6.delegate = self; [av6 setVolume:1.0]; [av6 prepareToPlay]; } - (IBAction)one:(id)sender{ [av1 play]; } - (IBAction)two:(id)sender{ [av2 play]; } - (IBAction)three:(id)sender{ [av3 play]; } - (IBAction)four:(id)sender{ [av4 play]; } - (IBAction)five:(id)sender{ [av5 play]; } - (IBAction)six:(id)sender{ [av6 play]; } </code></pre> <p>av1-av5 are guitar string and av6 is the guitar music (30 second played). From that code, How can I make an PlayButton to follow the other button one-six when the music played?</p>

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