SpriteKit: Preload sound file into memory before playing?

Just wondering if this is possible. Currently, the first time I play a sound file while the app is running, there is a noticeable delay before the sound actually plays (like it’s caching it or something). After this it plays instantly without issue, but if I close the app completely and relaunch it, the delay will be back the first time the sound is played. Here is the code I’m using to play the sound:

[self runAction:[SKAction playSoundFileNamed:@"mySound.caf" waitForCompletion:NO]];

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  • Solutions Collect From Internet About “SpriteKit: Preload sound file into memory before playing?”

    One approach you could take is to load the sound in right at the beginning of the scene:

    YourScene.h:

    @interface YourScene : SKScene
    @property (strong, nonatomic) SKAction *yourSoundAction;
    @end
    

    YourScene.m:

    - (void)didMoveToView: (SKView *) yourView
    {
        _yourSoundAction = [SKAction playSoundFileNamed:@"yourSoundFile" waitForCompletion:NO];
        // the rest of your init code
        // possibly wrap this in a check to make sure the scene's only initiated once...
    }
    

    This should preload the sound, and you should be able to run it by calling the action on your scene:

    [self runAction:_yourSoundAction];
    

    I’ve tried this myself in a limited scenario and it appears to get rid of the delay.