Update buzzer scene design

Quiz Server/Quiz Server/BuzzerScene.swift

@@ -53,7 +53,7 @@ class BuzzerScene: SKScene {
 		self.numTeams = numTeams
 		self.webSocket = webSocket;
 
-		let bgImage = SKSpriteNode(imageNamed: "abstract-tree-and-stars")
+		let bgImage = SKSpriteNode(imageNamed: "abstract-dark")
 		bgImage.zPosition = 0
 		bgImage.position = CGPoint(x:self.frame.midX, y:self.frame.midY)
 		bgImage.size = self.size

Quiz Server/Quiz Server/BuzzerTeamNode.swift

@@ -86,7 +86,7 @@ class BuzzerTeamNode: SKNode {
 		particles1.particlePositionRange = CGVector(dx: 0, dy: height)
 		particles1.xAcceleration = -450
 		particles1.yAcceleration = 0
-		particles1.numParticlesToEmit = 200
+		particles1.numParticlesToEmit = 250
 		particles1.removeWhenDone()
 
 		let particles2 = SKEmitterNode(fileNamed: "BuzzParticles")!
@@ -98,7 +98,7 @@ class BuzzerTeamNode: SKNode {
 		particles2.particlePositionRange = CGVector(dx: 0, dy: height)
 		particles2.xAcceleration = 450
 		particles2.yAcceleration = 0
-		particles2.numParticlesToEmit = 200
+		particles2.numParticlesToEmit = 250
 		particles2.removeWhenDone()
 
 		let particles3 = SKEmitterNode(fileNamed: "BuzzParticles")!
@@ -110,7 +110,7 @@ class BuzzerTeamNode: SKNode {
 		particles3.particlePositionRange = CGVector(dx: width, dy: 0)
 		particles3.xAcceleration = 0
 		particles3.yAcceleration = 360
-		particles3.numParticlesToEmit = 800
+		particles3.numParticlesToEmit = 900
 		particles3.removeWhenDone()
 
 		let particles4 = SKEmitterNode(fileNamed: "BuzzParticles")!
@@ -122,7 +122,7 @@ class BuzzerTeamNode: SKNode {
 		particles4.particlePositionRange = CGVector(dx: width, dy: 0)
 		particles4.xAcceleration = 0
 		particles4.yAcceleration = -360
-		particles4.numParticlesToEmit = 800
+		particles4.numParticlesToEmit = 900
 		particles4.removeWhenDone()
 
 		glow.position = CGPoint.zero

Quiz Server/Quiz Server/Images.xcassets/Contents.json

@@ -1,6 +1,6 @@
 {
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
+}

Quiz Server/Quiz Server/Images.xcassets/abstract-dark.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "abstract-dark.jpg",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}