var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.createAsset('heart', 'Heart Graphics', .5, .5);
});
var Fly = Container.expand(function () {
	var self = Container.call(this);
	var flyGraphics = self.createAsset('fly', 'Fly Graphics', .5, .5);
	self.spawnFly = function () {
		var direction = Math.random() < 0.5 ? -1 : 1;
		self.xSpeed = direction * (Math.random() * 10 + 5);
		self.x = direction > 0 ? -50 : 2048 + 50;
		self.y = Math.random() * (2732 / 2 - self.height);
	};
	self.spawnFly();
	self.move = function () {
		if (self.xSpeed > 0 && self.x > 2048 / 2 && !self.changedDirection || self.xSpeed < 0 && self.x < 2048 / 2 && !self.changedDirection) {
			self.xSpeed *= -1;
			self.changedDirection = true;
		}
		if (self.xSpeed > 0) {
			flyGraphics.scale.x = 1;
		} else if (self.xSpeed < 0) {
			flyGraphics.scale.x = -1;
		}
		self.x += self.xSpeed;
		if (self.x > 2048 + 50 || self.x < -50) {
			self.spawnFly();
		}
	};
});
var Plant = Container.expand(function () {
	var self = Container.call(this);
	self.launchAt = function (x, y) {
		var startX = self.x;
		var startY = self.y;
		var endX = x;
		var endY = y;
		var time = 0;
		self.moveTowards = function () {
			if (time <= 60) {
				self.x = startX + (endX - startX) * (time / 60);
				self.y = startY - (startY - endY) * (time / 60);
				time++;
			} else if (time <= 120) {
				self.x = endX - (endX - startX) * ((time - 60) / 60);
				self.y = endY + (startY - endY) * ((time - 60) / 60);
				time++;
			} else {
				self.moveTowards = null;
			}
		};
	};
	var plantGraphics = self.createAsset('plant', 'Plant Graphics', .5, .5);
	self.catchFly = function (fly) {
		if (self.intersects(fly)) {
			fly.destroy();
			LK.gui.topRight.score += 100;
			self.parent.scoreTxt.setText(LK.gui.topRight.score);
			return true;
		}
		return false;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	stage.on('down', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		plant.launchAt(pos.x, pos.y);
	});
	var background = self.createAsset('background', 'Background Graphics', 0, 0);
	background.width = 2048;
	background.height = 2732;
	self.addChildAt(background, 0);
	var flies = [];
	var plant = self.addChild(new Plant());
	plant.x = 2048 / 2;
	plant.y = 2732 - plant.height;
	self.scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	self.scoreTxt.anchor.set(.5, 0);
	LK.gui.topRight.addChild(self.scoreTxt);
	self.scoreTxt.x -= 90;
	LK.gui.topRight.score = 0;
	var hearts = [];
	for (var i = 0; i < 3; i++) {
		var heart = new Heart();
		heart.x = (i + 1) * (heart.width + 10) + 10;
		heart.y = 60;
		LK.gui.topLeft.addChild(heart);
		hearts.push(heart);
	}
	var isGameOver = false;
	var flySpawnTimer = 0;
	LK.on('tick', function () {
		for (var a = flies.length - 1; a >= 0; a--) {
			if (flies[a]) {
				flies[a].move();
				if (flies[a].x > 2048 + 50) {
					flies[a].destroy();
					flies.splice(a, 1);
				}
			}
		}
		flySpawnTimer++;
		if (flySpawnTimer >= 120 && flies.length < 5) {
			var newFly = new Fly();
			flies.push(newFly);
			self.addChild(newFly);
			flySpawnTimer = 0;
		}
		for (var a = flies.length - 1; a >= 0; a--) {
			if (plant.catchFly(flies[a])) {
				flies.splice(a, 1);
			}
		}
		if (plant.moveTowards) {
			plant.moveTowards();
		}
		if (isGameOver) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -14,11 +14,15 @@
 	self.spawnFly();
 	self.move = function () {
 		if (self.xSpeed > 0 && self.x > 2048 / 2 && !self.changedDirection || self.xSpeed < 0 && self.x < 2048 / 2 && !self.changedDirection) {
 			self.xSpeed *= -1;
-			flyGraphics.scale.x *= -1;
 			self.changedDirection = true;
 		}
+		if (self.xSpeed > 0) {
+			flyGraphics.scale.x = 1;
+		} else if (self.xSpeed < 0) {
+			flyGraphics.scale.x = -1;
+		}
 		self.x += self.xSpeed;
 		if (self.x > 2048 + 50 || self.x < -50) {
 			self.spawnFly();
 		}