 class GameScene: SKScene, SKPhysicsContactDelegate {
 
     var hero = SKSpriteNode()
+    
+    // Background Movement [Tina]
+    var backgroundSpeed : CGFloat = 1.0
+    var roadSpeed : CGFloat = 5.0
+    var roadSize : CGSize?
+    
+    // Score [Kevin]
+    let scoreText = SKLabelNode(fontNamed: "Chalkduster")
+    var score = 0
 
     // Jump Properties [Tuan/Vincent]
     var currentTime = 0.0

            bg.position = CGPoint(x: index * Int(bg.size.width), y: 0)
            bg.name = "background"
            self.addChild(bg)

        }
        
        // Roads [Tina]

        
        // Hero [Kevin/Tina]
        var bradTexture = SKTexture(imageNamed: "hero.jpg") // Change 90x90 image
        var bradJumpTexture = SKTexture(imageNamed: "")
        var bradDuckTexture = SKTexture(imageNamed: "")
        bradTexture.filteringMode = SKTextureFilteringMode.Nearest
        bradDuckTexture.filteringMode = SKTextureFilteringMode.Nearest
        
        //Tina/ brad jumping texture
