var Urchin = Container.expand(function () {
	var self = Container.call(this);
	var urchinGraphics = self.createAsset('urchinWithSpikes', 'Urchin character with spikes', .5, .5);
	self.speed = 5;
	self.move = function () {};
	self.push = function () {};
});
var Fish = Container.expand(function () {
	var self = Container.call(this);
	var fishGraphics = self.createAsset('fish', 'Fish character', .5, .5);
	self.speed = 3;
	self.move = function (urchinX, urchinY) {
		var dx = urchinX - this.x;
		var dy = urchinY - this.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 500) {
			var angle = Math.atan2(dy, dx);
			var moveX = Math.cos(angle) * this.speed;
			this.x += moveX;
			this.y += Math.sin(angle) * this.speed;
			fishGraphics.scale.x = moveX > 0 ? -1 : 1;
		}
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	LK.stageContainer.setBackgroundColor(0x000000);
	var urchin = self.addChild(new Urchin());
	var fishes = [];
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	LK.gui.topCenter.addChild(scoreTxt);
	urchin.x = 2048 / 2;
	urchin.y = 2732 / 2;
	var dragNode = null;
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		var distance = Math.sqrt(Math.pow(pos.x - urchin.x, 2) + Math.pow(pos.y - urchin.y, 2));
		if (distance > urchin.width / 2) {
			urchin.scale.set(1.5);
		} else {
			dragNode = urchin;
		}
	});
	function handleMove(obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		if (dragNode) {
			dragNode.x = pos.x;
			dragNode.y = pos.y;
		}
	}
	stage.on('move', handleMove);
	stage.on('up', function (obj) {
		dragNode = null;
		if (urchin.scale.x > 1) urchin.scale.set(1);
	});
	LK.on('tick', function () {
		urchin.move();
		for (var i = 0; i < fishes.length; i++) {
			fishes[i].move(urchin.x, urchin.y);
			if (urchin.intersects(fishes[i])) {
				urchin.push();
				fishes[i].destroy();
				fishes.splice(i, 1);
				scoreTxt.setText(parseInt(scoreTxt.text) + 1);
			}
		}
		if (Math.random() < 0.01) {
			var newFish = new Fish();
			var side = Math.floor(Math.random() * 4);
			switch (side) {
				case 0:
					newFish.x = Math.random() * 2048;
					newFish.y = -100;
					break;
				case 1:
					newFish.x = 2148;
					newFish.y = Math.random() * 2732;
					break;
				case 2:
					newFish.x = Math.random() * 2048;
					newFish.y = 2832;
					break;
				case 3:
					newFish.x = -100;
					newFish.y = Math.random() * 2732;
					break;
			}
			fishes.push(newFish);
			self.addChild(newFish);
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -14,10 +14,12 @@
 		var dy = urchinY - this.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		if (distance < 500) {
 			var angle = Math.atan2(dy, dx);
-			this.x += Math.cos(angle) * this.speed;
+			var moveX = Math.cos(angle) * this.speed;
+			this.x += moveX;
 			this.y += Math.sin(angle) * this.speed;
+			fishGraphics.scale.x = moveX > 0 ? -1 : 1;
 		}
 	};
 });
 var Game = Container.expand(function () {