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iosswiftskaction

How to use runAction syntax correctly for the following

I'm trying to do the following 

//increase spaceship frequency
    self.runAction(SKAction.repeatActionForever(SKAction.waitForDuration(1), completion: {

        difficulty -= 0.01
        println("difficulty increased")

    }))

Basically I need the SKAction.waitForDuration(1) with the completion to run forever so I tried to wrap it around with another runAction

I get the following error: "Extra argument 'completion' in call"

Solution

  • If you really want to use SpriteKit, use a action sequence:

    self.runAction(SKAction.repeatActionForever(SKAction.sequence([SKAction.waitForDuration(1), SKAction.runBlock({
    difficulty -= 0.01;
    println("difficulty increased");
})])));

    But, you really should be using NSTimer.