Changing scene causes zoom - xcode

Question

When going from GameScene to PlayScene using this code below, all works fine:
for touch: AnyObject in touches {
let location = touch.locationInNode(self)
if self.nodeAtPoint(location) == self.playButton1 {
var scene = PlayScene(size: self.size)
let skView = self.view as SKView!
skView.ignoresSiblingOrder = true
scene.scaleMode = .ResizeFill
scene.size = skView.bounds.size
skView.presentScene(scene)
}
}
But when i am going from PlayScene to GameScene using this code below, it gets zoomed in:
if let scene = GameScene.unarchiveFromFile("GameScene") as? GameScene {
let skView = self.view as SKView!
skView.ignoresSiblingOrder = true
scene.scaleMode = .ResizeFill
scene.size = skView.bounds.size
skView.presentScene(scene)
}
Tried to Updated code:
var scene = GameScene(size: self.size)
let skView = self.view as SKView!
skView.ignoresSiblingOrder = true
scene.scaleMode = .ResizeFill
scene.size = skView.bounds.size
skView.presentScene(scene)
}
How come? Any suggestions?

Answer 1

In the first code snippet, you create the new scene of self.size which keeps the same size as the old one. But in the second one, you use another method to do that, and the size of the new scene is initialized from the file GameScene.sks whose size is 1024x768 by default.
EDIT:
Did you use
if let scene = GameScene.unarchiveFromFile("GameScene") as? GameScene {...}
to create your first scene in your GameViewController.swift? If so, try to replace this line with
let scene = GameScene(size: view.bounds.size)
I'm afraid the reason why your buttons get resized(zoomed) is that they are not in the right size at the first time you load GameScene, actually they are in a scene sized 1024x768. Your button is hard-coded as 400 width which is nearly the 1/3 of the scene width (1024pt). When you load GameScene again, its width now becomes the screen width, so you find buttons get resized. Print scene.size.width for more info.

Answer 2

I had the same problem.
For me the problem was that the scene size had changed to be much smaller when going back to the first scene.
Scene 1) GameMap Scene
Original Scene Size: (1024.0, 4096.0)
Original View Size : ( 320.0, 480.0)
Scene 2) GameLevel Scene
Original Scene Size: ( 320.0, 480.0)
Original View Size : ( 320.0, 480.0)
When Moving from Scene 1 to Scene 2 everything looked fine but when moving back from Scene 2 to Scene 1 The "Scene 1" size is changed to Scene 2's size
Scene 1) GameMap Scene -> After Going Back
Original Scene Size: ( 320.0, 480.0)
Original View Size : ( 320.0, 480.0)
My solution was to specifically change the size of the scene in "didMoveToView" and set the scaleMode of the "Scene 1" see below:
self.view?.bounds = CGRectMake(0, 0, Constants.screenWidth, Constants.screenHeight)
self.scene?.size = CGSizeMake(1024, 4096)
self.scaleMode = SKSceneScaleMode.AspectFill
Hope it helps
BR
BuD