Porting historical comments:  (Code updated, link from the comment is https://stackoverflow.com/questions/20889860/a-camera-shake-effect-for-spritekit/24726920#24726920)
Porting historical comments:
(Code updated, link from the comment is https://stackoverflow.com/questions/20889860/a-camera-shake-effect-for-spritekit/24726920#24726920)