Cannot use unarchiveFromFile to set GameScene in SpriteKit
I'm using Xcode 7 beta 2 and following raywenderlich.com's Breakout tutorial to learn SpriteKit. Here's the error I get when I try to load GameScene using unarchiveFromFile. GameScene.type does not have a member named unarchiveFromFile. Here's the code: func didBeginContact(contact: SKPhysicsContact) { // 1. Create local variables for two physics bodies var firstBody: SKPhysicsBody var secondBody: SKPhysicsBody // 2. Assign the two physics bodies so that the one with the lower category is always stored in firstBody if contact.bodyA.categoryBitMask < contact.bodyB.categoryBitMask { firstBody =