如何更改SpriteKit项目的窗口大小

I'm just messing around with a Objective C (OS X) SpriteKit project. I'm trying to make the window (frame) be the same size as my scene. I've changed my scene to be (1366, 768), but my frame was still (800, 600). To fix this I added the following code to I'm just messing around with a Objective C (OS