===================================================================
--- original.js
+++ change.js
@@ -22,8 +22,18 @@
 	self.attachAsset('firstStep', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	self.disapear = function () {
+		self.alpha = 1;
+		self.timer = LK.setInterval(function () {
+			self.alpha -= 0.01;
+			if (self.alpha <= 0) {
+				LK.clearInterval(self.timer);
+				self.destroy();
+			}
+		}, 10);
+	};
 });
 var LastPathStep = Container.expand(function () {
 	var self = Container.call(this);
 	self.attachAsset('lastStep', {
@@ -190,8 +200,18 @@
 	self.attachAsset('step', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	self.disapear = function () {
+		self.alpha = 1;
+		self.timer = LK.setInterval(function () {
+			self.alpha -= 0.01;
+			if (self.alpha <= 0) {
+				LK.clearInterval(self.timer);
+				self.destroy();
+			}
+		}, 10);
+	};
 });
 var Player = Container.expand(function () {
 	var self = Container.call(this);
 	var ball1 = self.addChild(new Ball('playerBall1'));
@@ -215,26 +235,23 @@
 		var onStep1 = false;
 		var onStep2 = false;
 		var smallPathStep = 9999;
 		for (var i = 0; i < path.pathSteps.length; i++) {
-			if (path.pathSteps[i] && path.pathSteps[i].intersects(ball1)) {
-				onStep1 = true;
-				smallPathStep = Math.min(smallPathStep, i);
+			if (path.pathSteps[i]) {
+				if (IsMatching(path.pathSteps[i], ball1)) {
+					onStep1 = true;
+					smallPathStep = Math.min(smallPathStep, i);
+				}
+				if (IsMatching(path.pathSteps[i], ball2)) {
+					onStep2 = true;
+					smallPathStep = Math.min(smallPathStep, i);
+				}
 			}
-			if (path.pathSteps[i] && path.pathSteps[i].intersects(ball2)) {
-				onStep2 = true;
-				smallPathStep = Math.min(smallPathStep, i);
-			}
 		}
 		if (!(onStep1 && onStep2)) {
 			LK.showGameOver();
 		} else {
-			var starFX = new StarFX();
-			starFX.x = path.pathSteps[smallPathStep].x;
-			starFX.y = path.pathSteps[smallPathStep].y;
-			game.addChild(starFX);
-			starFX.playFX();
-			path.removeChild(path.pathSteps[smallPathStep]);
+			path.pathSteps[smallPathStep].disapear();
 			path.pathSteps.splice(smallPathStep, 1);
 			path.nextStep();
 			if (path.pathSteps.length == 1) {
 				showCongratsPopup();
@@ -248,27 +265,8 @@
 			ball2.rotateAround(ball1);
 		}
 	};
 });
-var StarFX = Container.expand(function () {
-	var self = Container.call(this);
-	self.attachAsset('starFX', {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	self.playFX = function () {
-		self.scale = 1;
-		self.alpha = 1;
-		self.timer = LK.setInterval(function () {
-			self.scale += 0.01;
-			self.alpha -= 0.01;
-			if (self.alpha <= 0) {
-				LK.clearInterval(self.timer);
-				self.destroy();
-			}
-		}, 100);
-	};
-});
 
 /**** 
 * Initialize Game
 ****/
@@ -281,23 +279,20 @@
 ****/
 // Initialize player ship asset
 // Initialize obstacle asset
 // Initialize background stars
+var IsMatching = function IsMatching(obj1, obj2) {
+	var diffX = obj1.x - obj2.x;
+	var diffY = obj1.y - obj2.y;
+	return diffX * diffX + diffY * diffY <= 100;
+};
 function showCongratsPopup() {
-	/*var popup = new LK.Popup();
-	popup.setTitle('Congratulations !');
-	var nextLevelButton = new LK.Button('Next level');
-	nextLevelButton.on('down', function () {*/
-	// Add code here to go to the next level
 	game.removeChild(path);
 	game.removeChild(player);
 	path = new Path(path.level + 1);
 	path.setupPlayer(player);
 	game.addChild(path);
 	game.addChild(player);
-	/*});
-	popup.addButton(nextLevelButton);
-	popup.show();*/
 }
 var background = game.addChild(LK.getAsset('background', {
 	anchorX: 0.5,
 	anchorY: 0.5,