add level definition and transition screen

js/level-complete-controller.js

@@ -0,0 +1,34 @@
+angular.module('level-complete', [])
+.controller('LevelCompleteController', function($scope, $rootScope) {
+     
+    $scope.isLevelCompleteVisible = false;
+    
+    $scope.isFinalScreenVisible = false;
+    
+    $scope.levelIndex = 0;
+     
+    $scope.completeLevel = function(event, args) {
+        $scope.isLevelCompleteVisible = true;
+        $scope.levelIndex = args.levelIndex;
+    };
+     
+    $scope.restartLevel = function() {
+        $scope.isLevelCompleteVisible = false;
+        var args = {
+            levelIndex: $scope.levelIndex
+        };
+        $rootScope.$emit('startLevel', args);
+    };
+    
+    $scope.nextLevel = function() {
+        $scope.isLevelCompleteVisible = false;
+        $scope.levelIndex++;
+        var args = {
+            levelIndex: $scope.levelIndex
+        };
+        $rootScope.$emit('startLevel', args);
+    };
+     
+    $rootScope.$on('completeLevel', $scope.completeLevel);
+    
+});