addded some markup stuff

Author: erikmartin29

WWDC 2018 Debug Xcode Project/.DS_Store

@@ -1,7 +1,20 @@
 import PlaygroundSupport
 import SpriteKit
 import Cocoa
-
+/*:
+# *Game Name*
+  You are on a mission to save the galaxy, but there's only one problem...
+ **your ship got off course and you're headed full speed for disaster!**
+ 
+ ## How to Play
+ There will be enemies coming towards you. Shoot them to hear a note. If done correctly, you'll hear a catchy tune. But be careful! If you let one pass by or get hit by one, you'll lose a life.
+ 
+ The goal of the game is to survive all 4 levels. Complete them all to win!
+ 
+ Move your mouse left/right to drive the ship, and click to shoot.
+ 
+ **Have Fun!** 👍
+ */
 let scene = GameScene(fileNamed: "GameScene")
 
 let frame = CGRect(x: 0, y: 0, width: 700, height: 1000)

WWDC 2018 Debug Xcode Project/WWDC SUBMISSION 2018.playground/Contents.swift

@@ -173,7 +173,6 @@ public class GameScene: SKScene, SKPhysicsContactDelegate {
         bottomDetector.physicsBody!.categoryBitMask = PhysicsCategory.Bottom
         bottomDetector.physicsBody!.contactTestBitMask = PhysicsCategory.Note
         bottomDetector.physicsBody!.affectedByGravity = false
-
     }
 
     //resets the game if you die
@@ -190,7 +189,7 @@ public class GameScene: SKScene, SKPhysicsContactDelegate {
         deathLabel2.removeFromParent()
         finalScoreLabel.removeFromParent()
 
-        //set the noeds back to thier starting posistions
+        //set the nodes back to thier starting posistions
         assignNodeProperties()
         //play intro
         intro()

WWDC 2018 Debug Xcode Project/WWDC SUBMISSION 2018.playground/Sources/GameScene.swift

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='macos' executeOnSourceChanges='false'>
+<playground version='5.0' target-platform='macos' display-mode='rendered' executeOnSourceChanges='false'>
     <timeline fileName='timeline.xctimeline'/>
 </playground>