var Aim = Container.expand(function () {
	var self = Container.call(this);
	var aimGraphics = self.createAsset('aim', 'Aim Graphics', .5, .5);
});
var ParticleSplash = Container.expand(function () {
	var self = Container.call(this);
	var particleSplashGraphics = self.createAsset('particleSplash', 'Particle Splash Graphics', .5, .5);
	var randomScale = 0.5 + Math.random() * 0.5;
	self.scale.x = randomScale;
	self.scale.y = randomScale;
	self.directionX = Math.random() * 2 - 1;
	self.directionY = Math.random() * 2 - 1;
	self.animate = function () {
		self.alpha -= 0.01;
		self.x += self.directionX;
		self.y += self.directionY;
		if (self.alpha <= 0) {
			self.destroy();
		}
	};
});
var ProgressBar = Container.expand(function () {
	var self = Container.call(this);
	var progressBarGraphics = self.createAsset('progressBar', 'Progress Bar Graphics', 0, .5);
	self.updateProgress = function (progress) {
		progressBarGraphics.scale.x = progress;
	};
});
var Snowball = Container.expand(function () {
	var self = Container.call(this);
	self.aim = arguments[0];
	var snowballGraphics = self.createAsset('snowball', 'Snowball Graphics', .5, .5);
	self.speed = -5;
	self.targetX = self.aim.x;
	self.targetY = self.aim.y;
	self.speedX = 0;
	self.speedY = 0;
	self.totalDistance = 0;
	self.targetTotalDistance = Math.sqrt(Math.pow(self.targetX - self.x, 2) + Math.pow(self.y - self.targetY, 2));
	self.move = function () {
		var distance = Math.sqrt(self.speedX * self.speedX + self.speedY * self.speedY);
		self.totalDistance += distance;
		self.x += self.speedX;
		self.y += self.speedY;
		console.log(self.totalDistance, self.targetTotalDistance);
		if (self.y < -50 || self.totalDistance > self.targetTotalDistance) {
			console.log("nu");
			if (self.aim) self.aim.destroy();
			self.destroy();
		}
	};
});
var ZombieKid = Container.expand(function () {
	var self = Container.call(this);
	var zombieKidGraphics = self.createAsset('zombieKid', 'Zombie Kid Graphics', .5, .5);
	self.speed = Math.random() * 2 + 1;
	self.move = function () {
		self.y += self.speed;
	};
});
var Santa = Container.expand(function () {
	var self = Container.call(this);
	var santaGraphics = self.createAsset('santa', 'Santa Graphics', .5, .5);
});
var ChristmasGift = Container.expand(function (santaY) {
	var self = Container.call(this);
	var christmasGiftGraphics = self.createAsset('christmasGifts', 'Christmas Gifts Graphics', 0.5, 1);
	self.x = Math.random() * 1024 + 512;
	self.y = Math.random() * (2732 - santaY - 200) + santaY + 200;
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var background = self.createAsset('background', 'Full Screen Background', 0, 0);
	background.width = 2048;
	background.height = 2732;
	self.isThrowing = false;
	self.addChildAt(background, 0);
	var santa = self.addChild(new Santa());
	santa.x = 2048 / 2;
	santa.y = 2732 - santa.height - 2732 / 8;
	var progressBar = self.addChild(new ProgressBar());
	progressBar.x = 2048 - progressBar.width;
	progressBar.y = 2732 - progressBar.height;
	var christmasGifts = [];
	for (var i = 0; i < 50; i++) {
		var gift = new ChristmasGift(santa.y);
		christmasGifts.push(gift);
		self.addChild(gift);
	}
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreTxt);
	self.updateScoreDisplay = function () {
		scoreTxt.setText(LK.getScore().toString());
	};
	self.updateScoreDisplay();
	var snowballs = [];
	var zombieKids = [];
	var touchStartTime = 0;
	stage.on('down', function (obj) {
		touchStartTime = LK.ticks;
		progressBar.updateProgress(0);
		isThrowing = true;
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		santa.baseRotation = Math.atan2(pos.y - santa.y, pos.x - santa.x) + Math.PI * 0.6;
		self.aimPosition = pos;
		var aim = new Aim();
		self.currentAim = aim;
		aim.x = pos.x;
		aim.y = pos.y;
		var progress = 0;
		aim.scale.x = aim.scale.y = 0.5 + progress * 0.5;
		self.addChild(aim);
		aim.tweenToAlpha = function (targetAlpha, duration) {
			var step = (1 - targetAlpha) / (duration * 60);
			var fadeInterval = LK.setInterval(function () {
				aim.alpha -= step;
				if (aim.alpha <= targetAlpha) {
					LK.clearInterval(fadeInterval);
					aim.destroy();
				}
			}, 1000 / 60);
		};
		aim.tweenToAlpha(0, 3);
	});
	stage.on('up', function (obj) {
		if (self.aim) {
			self.aim.destroy();
			self.aim = null;
		}
		progressBar.updateProgress(0);
		santa.rotation = santa.baseRotation;
		isThrowing = false;
		if (snowballs.length < 5 && self.aimPosition) {
			var newSnowball = new Snowball(self.currentAim);
			newSnowball.x = santa.x;
			newSnowball.y = santa.y;
			newSnowball.targetX = self.aimPosition.x;
			newSnowball.targetY = self.aimPosition.y;
			newSnowball.aim = self.currentAim;
			newSnowball.init();
			var dx = newSnowball.targetX - newSnowball.x;
			var dy = newSnowball.targetY - newSnowball.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var throwSpeed = 5;
			var touchDuration = LK.ticks - touchStartTime;
			var speedMultiplier = Math.min(touchDuration / 30, 10) * throwSpeed;
			newSnowball.speedX = -dx / distance * newSnowball.speed * speedMultiplier;
			newSnowball.speedY = -Math.abs(dy / distance * newSnowball.speed) * speedMultiplier;
			snowballs.push(newSnowball);
			self.addChild(newSnowball);
			self.aimPosition = null;
		}
		self.currentAim = null;
	});
	LK.on('tick', function () {
		if (touchStartTime > 0 && isThrowing) {
			var progress = Math.min((LK.ticks - touchStartTime) / 30, 1);
			progressBar.updateProgress(progress);
			santa.rotation = santa.baseRotation + progress * Math.PI * 2 / 10;
			if (self.aim) {
				self.aim.scale.x = self.aim.scale.y = 0.5 + progressBarGraphics.scale.x * 0.5;
			}
			if (self.currentAim) {
				self.currentAim.scale.x = 0.2 + progress;
				self.currentAim.scale.y = 0.2 + progress;
			}
		}
		for (var a = snowballs.length - 1; a >= 0; a--) {
			if (snowballs[a]) {
				snowballs[a].move();
				for (var b = zombieKids.length - 1; b >= 0; b--) {
					if (zombieKids[b] && snowballs[a].intersects(zombieKids[b])) {
						LK.setScore(LK.getScore() + 1);
						self.updateScoreDisplay();
						for (var i = 0; i < 10; i++) {
							var particleSplash = new ParticleSplash();
							particleSplash.x = snowballs[a].x;
							particleSplash.y = snowballs[a].y;
							particleSplash.directionX *= snowballs[a].speedY;
							particleSplash.directionY *= snowballs[a].speedY;
							self.addChild(particleSplash);
						}
						zombieKids[b].destroy();
						zombieKids.splice(b, 1);
						if (snowballs[a].aim) snowballs[a].aim.destroy();
						snowballs[a].destroy();
						snowballs.splice(a, 1);
						break;
					}
				}
				if (snowballs[a] && snowballs[a].y < -50) {
					snowballs[a].destroy();
					snowballs.splice(a, 1);
				}
			}
		}
		for (var b = zombieKids.length - 1; b >= 0; b--) {
			if (zombieKids[b]) {
				zombieKids[b].move();
			}
			if (zombieKids[b].y > 2732) {
				LK.showGameOver();
			}
		}
		for (var c = self.children.length - 1; c >= 0; c--) {
			if (self.children[c] instanceof ParticleSplash) {
				self.children[c].animate();
			}
		}
		if (LK.ticks % 60 == 0) {
			var newZombieKid = new ZombieKid();
			newZombieKid.x = Math.random() * (2048 - newZombieKid.width);
			newZombieKid.y = -newZombieKid.height;
			zombieKids.push(newZombieKid);
			self.addChild(newZombieKid);
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -74,17 +74,17 @@
 	background.width = 2048;
 	background.height = 2732;
 	self.isThrowing = false;
 	self.addChildAt(background, 0);
-	globalSanta = self.addChild(new Santa());
-	globalSanta.x = 2048 / 2;
-	globalSanta.y = 2732 - globalSanta.height - 2732 / 8;
+	var santa = self.addChild(new Santa());
+	santa.x = 2048 / 2;
+	santa.y = 2732 - santa.height - 2732 / 8;
 	var progressBar = self.addChild(new ProgressBar());
 	progressBar.x = 2048 - progressBar.width;
 	progressBar.y = 2732 - progressBar.height;
 	var christmasGifts = [];
 	for (var i = 0; i < 50; i++) {
-		var gift = new ChristmasGift(globalSanta.y);
+		var gift = new ChristmasGift(santa.y);
 		christmasGifts.push(gift);
 		self.addChild(gift);
 	}
 	var scoreTxt = new Text2('0', {
@@ -141,8 +141,9 @@
 			newSnowball.y = santa.y;
 			newSnowball.targetX = self.aimPosition.x;
 			newSnowball.targetY = self.aimPosition.y;
 			newSnowball.aim = self.currentAim;
+			newSnowball.init();
 			var dx = newSnowball.targetX - newSnowball.x;
 			var dy = newSnowball.targetY - newSnowball.y;
 			var distance = Math.sqrt(dx * dx + dy * dy);
 			var throwSpeed = 5;