===================================================================
--- original.js
+++ change.js
@@ -1,9 +1,23 @@
 var Player = Container.expand(function () {
 	var self = Container.call(this);
 	var playerGraphics = self.createAsset('player', 'Player character', .5, .5);
-	self.move = function () {};
-	self.update = function () {};
+	self.targetPos = {
+		x: self.x,
+		y: self.y
+	};
+	self.move = function () {
+		var dx = self.targetPos.x - self.x;
+		var dy = self.targetPos.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance > 0) {
+			self.x += dx / distance;
+			self.y += dy / distance;
+		}
+	};
+	self.update = function () {
+		self.move();
+	};
 });
 var Monster = Container.expand(function () {
 	var self = Container.call(this);
 	var monsterGraphics = self.createAsset('monster', 'Monster character', .5, .5);
@@ -47,9 +61,7 @@
 		}
 	});
 	stage.on('down', function (obj) {
 		var event = obj.event;
-		var pos = event.getLocalPosition(self);
-		player.x = pos.x;
-		player.y = pos.y;
+		player.targetPos = event.getLocalPosition(self);
 	});
 });