Sprite Kit game “hickup” when the first sound is played

Question

In my sprite kit game I use a SKAction to play a mp3 file when two sprites did collide. While the game works fine I noticed a small \"hickup\" in the game the first time the

Answer 1

To translate the Karl Voskuil preload sounds answer's in Swift 2.x :

let preloadSound = SKAction.playSoundFileNamed("my-sound-effect.caf", waitForCompletion: false)

so after you can do :

playSound(preloadSound)

...

func playSound(soundVariable : SKAction)
{
    runAction(soundVariable)   
}