===================================================================
--- original.js
+++ change.js
@@ -51,11 +51,10 @@
 	var self = Container.call(this);
 	var heroGraphics = self.createAsset('hero', 'Hero Graphics', .5, .5);
 	heroGraphics.scale.set(4);
 	self.speed = 5;
-	self.move = function (dx, dy) {
+	self.move = function (dx) {
 		self.x += dx * self.speed;
-		self.y += dy * self.speed;
 	};
 	self.balance = function (block) {
 		block.y = self.y - self.height - block.height;
 		block.x = self.x;
@@ -99,9 +98,8 @@
 	stage.on('move', function (obj) {
 		var event = obj.event;
 		var pos = event.getLocalPosition(self);
 		hero.x = pos.x;
-		hero.y = pos.y - hero.height - 200;
 	});
 	LK.on('tick', function () {
 		hero.move();
 		for (var a = blocks.length - 1; a >= 0; a--) {