J.Treutlein questions

• Swift 3 (SpriteKit): Reseting the GameScene after the game ends
• Swift 4: Get RGB values of pixel in UIImage
• Swift 3 (SpriteKit): Locking the x axis of a SKSpriteNode and its physicsBody
• Knowing where retain cycles are and removing them
• Swift 3 (SpriteKit): Changing the alpha value of the parent which affects all children
• Swift 3 (SpriteKit): Stopping a forever looping SKAction has a delay

J.Treutlein answers