===================================================================
--- original.js
+++ change.js
@@ -1,15 +1,85 @@
+/**** 
+* Classes
+****/ 
+var Background = Container.expand(function () {
+	var self = Container.call(this);
+	var bg1 = self.attachAsset('background', {});
+	var bg2 = self.attachAsset('background', {});
+	bg1.width = bg2.width = 2048;
+	bg1.height = bg2.height = 2732;
+	bg2.y = -2732;
+	self.addChild(bg1);
+	self.addChild(bg2);
+	self._move_migrated = function () {
+		bg1.y += 1;
+		bg2.y += 1;
+		if (bg1.y >= 2732) {
+			bg1.y = -2732;
+		}
+		if (bg2.y >= 2732) {
+			bg2.y = -2732;
+		}
+	};
+});
+var Cloud = Container.expand(function () {
+	var self = Container.call(this);
+	var trail = LK.getAsset('trail', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var cloudGraphics = self.attachAsset('cloud', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedY = 1;
+	self._move_migrated = function () {
+		var cloudSpeed = 3.5;
+		self.y += cloudSpeed;
+		if (self.y > 2732) {
+			self.y = -cloudGraphics.height;
+		}
+	};
+});
+var Enemy = Container.expand(function (hero) {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedY = 2;
+	self.hero = hero;
+	self.lifebar = self.attachAsset('lifebar', {
+		anchorX: 0.5
+	});
+	self.lifebar.y = -self.lifebar.height - 100;
+	self.life = 100;
+	self._move_migrated = function () {
+		var dx = this.hero.x - this.x;
+		var dy = this.hero.y - this.y;
+		var angle = Math.atan2(dy, dx);
+		var speedMultiplier = 1 + Math.floor(LK.ticks / 7200);
+		self.x += (Math.cos(angle) * self.speedY + Math.sin(LK.ticks / 60) * 5) * speedMultiplier;
+		self.y += Math.sin(angle) * self.speedY * speedMultiplier;
+		self.lifebar.scale.x = self.life / 100;
+	};
+});
 var EnemyBoss = Container.expand(function (hero) {
 	var self = Container.call(this);
-	var bossGraphics = self.createAsset('enemyBoss', 'Enemy Boss Graphics', .5, .5);
+	var bossGraphics = self.attachAsset('enemyBoss', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
 	bossGraphics.tint = 0xFFFFFF * (0.5 + Math.random() * 0.5);
 	self.speedY = 3;
 	self.hero = hero;
-	self.lifebar = self.createAsset('lifebar', 'Boss Lifebar', .5, 0);
+	self.lifebar = self.attachAsset('lifebar', {
+		anchorX: 0.5
+	});
 	self.lifebar.y = -self.lifebar.height - 170;
 	self.lifebar.x -= 10;
 	self.life = 500;
-	self.move = function () {
+	self._move_migrated = function () {
 		var dx = this.hero.x - this.x + (Math.random() - 0.5) * 100;
 		var dy = this.hero.y - this.y + (Math.random() - 0.5) * 100;
 		var angle = Math.atan2(dy, dx);
 		var newX = self.x + Math.cos(angle) * self.speedY + Math.sin(LK.ticks / 60) * 5;
@@ -24,69 +94,33 @@
 		}
 	};
 	self.shoot = function () {};
 	self.on('tick', function () {
-		self.move();
+		self._move_migrated();
 		self.shoot();
 	});
 });
-var Cloud = Container.expand(function () {
-	var self = Container.call(this);
-	var trail = LK.getAsset('trail', 'Trail Graphics', 0.5, 0.5);
-	var cloudGraphics = self.createAsset('cloud', 'Cloud Graphics', 0.5, 0.5);
-	self.speedY = 1;
-	self.move = function () {
-		var cloudSpeed = 3.5;
-		self.y += cloudSpeed;
-		if (self.y > 2732) {
-			self.y = -cloudGraphics.height;
-		}
-	};
-});
-var HeroBullet = Container.expand(function (hero) {
-	var self = Container.call(this);
-	self.bulletGraphics = self.createAsset('heroBullet', 'Hero Bullet Graphics', .5, .5);
-	self.creationTick = LK.ticks;
-	self.bulletGraphics.tint = 0x6EC1E4;
-	self.speed = -1.5;
-	self.damage = 1;
-	self.isShot = false;
-	self.flickerSpeed = 10;
-	self.flickerMinAlpha = 0.5;
-	self.flickerMaxAlpha = 1;
-	self.move = function () {
-		self.x += self.speedX * self.scale.x * self.scale.x;
-		self.y += self.speedY * self.scale.y * self.scale.y;
-		self.rotation += LK.ticks * 0.01;
-		self.damage = self.scale.x * self.scale.y;
-		var holdDuration = (LK.ticks - self.creationTick) % 240;
-		if (holdDuration < 120) {
-			var sizeMultiplier = 1 + holdDuration / 40;
-		} else {
-			var sizeMultiplier = 4 - (holdDuration - 120) / 40;
-		}
-		self.scale.x = self.scale.y = Math.max(1, sizeMultiplier);
-		if (self.flicker) {
-			self.alpha += self.flickerSpeed;
-			if (self.alpha <= self.flickerMinAlpha || self.alpha >= self.flickerMaxAlpha) {
-				self.flickerSpeed *= -1;
-			}
-			self.alpha = Math.max(self.flickerMinAlpha, Math.min(self.alpha, self.flickerMaxAlpha));
-		}
-	};
-});
 var EnemyBullet = Container.expand(function () {
 	var self = Container.call(this);
-	var bulletGraphics = self.createAsset('enemyBullet', 'Enemy Bullet Graphics', .5, .5);
+	var bulletGraphics = self.attachAsset('enemyBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
 	self.speed = 3;
-	self.move = function () {
+	self._move_migrated = function () {
 		self.y += self.speed;
 	};
 });
 var Hero = Container.expand(function () {
 	var self = Container.call(this);
-	var heroGraphics = self.createAsset('hero', 'Hero character', .5, .5);
-	var trail = self.createAsset('trail', 'Trail Graphics', 1, 0.5);
+	var heroGraphics = self.attachAsset('hero', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var trail = self.attachAsset('trail', {
+		anchorX: 1,
+		anchorY: 0.5
+	});
 	trail.rotation = Math.PI / 4;
 	trail.y = heroGraphics.height / 2 - 80;
 	trail.x = -heroGraphics.width / 2 + 30;
 	trail.flicker = true;
@@ -113,285 +147,296 @@
 			self.movementDirection *= -1;
 		}
 	};
 });
-var Enemy = Container.expand(function (hero) {
+var HeroBullet = Container.expand(function (hero) {
 	var self = Container.call(this);
-	var enemyGraphics = self.createAsset('enemy', 'Enemy character', .5, .5);
-	self.speedY = 2;
-	self.hero = hero;
-	self.lifebar = self.createAsset('lifebar', 'Enemy Lifebar', .5, 0);
-	self.lifebar.y = -self.lifebar.height - 100;
-	self.life = 100;
-	self.move = function () {
-		var dx = this.hero.x - this.x;
-		var dy = this.hero.y - this.y;
-		var angle = Math.atan2(dy, dx);
-		var speedMultiplier = 1 + Math.floor(LK.ticks / 7200);
-		self.x += (Math.cos(angle) * self.speedY + Math.sin(LK.ticks / 60) * 5) * speedMultiplier;
-		self.y += Math.sin(angle) * self.speedY * speedMultiplier;
-		self.lifebar.scale.x = self.life / 100;
-	};
-});
-var Background = Container.expand(function () {
-	var self = Container.call(this);
-	var bg1 = self.createAsset('background', 'Game Background 1', 0, 0);
-	var bg2 = self.createAsset('background', 'Game Background 2', 0, 0);
-	bg1.width = bg2.width = 2048;
-	bg1.height = bg2.height = 2732;
-	bg2.y = -2732;
-	self.addChild(bg1);
-	self.addChild(bg2);
-	self.move = function () {
-		bg1.y += 1;
-		bg2.y += 1;
-		if (bg1.y >= 2732) bg1.y = -2732;
-		if (bg2.y >= 2732) bg2.y = -2732;
-	};
-});
-var Game = Container.expand(function () {
-	var self = Container.call(this);
-	var getReadyMessage = new Text2('Get Ready!', {
-		size: 200,
-		fill: '#ffffff',
-		align: 'center'
+	self.bulletGraphics = self.attachAsset('heroBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
 	});
-	getReadyMessage.anchor.set(0.8, 0.8);
-	getReadyMessage.x = 2048 / 2;
-	getReadyMessage.y = 2732 / 3 - 100;
-	getReadyMessage.alpha = 0;
-	LK.gui.addChild(getReadyMessage);
-	var fadeInInterval = LK.setInterval(function () {
-		getReadyMessage.alpha += 0.05;
-		if (getReadyMessage.alpha >= 1) {
-			LK.clearInterval(fadeInInterval);
+	self.creationTick = LK.ticks;
+	self.bulletGraphics.tint = 0x6EC1E4;
+	self.speed = -1.5;
+	self.damage = 1;
+	self.isShot = false;
+	self.flickerSpeed = 0.7;
+	self.flickerMinAlpha = 0.5;
+	self.flickerMaxAlpha = 1;
+	self._move_migrated = function () {
+		self.x += self.speedX * self.scale.x * self.scale.x;
+		self.y += self.speedY * self.scale.y * self.scale.y;
+		self.rotation += LK.ticks * 0.01;
+		self.damage = self.scale.x * self.scale.y;
+		var holdDuration = (LK.ticks - self.creationTick) % 240;
+		if (holdDuration < 120) {
+			var sizeMultiplier = 1 + holdDuration / 40;
+		} else {
+			var sizeMultiplier = 4 - (holdDuration - 120) / 40;
 		}
-	}, 1000 / 60);
-	var getSetMessage = new Text2('(tap or hold for super shot!)', {
-		size: 50,
-		fill: '#ffffff',
-		align: 'center'
-	});
-	getSetMessage.anchor.set(0.8, 0.8);
-	getSetMessage.x = 2048 / 2 - 90;
-	getSetMessage.y = getReadyMessage.y + 100;
-	LK.gui.addChild(getSetMessage);
-	LK.setTimeout(function () {
-		var fadeOutInterval = LK.setInterval(function () {
-			getReadyMessage.alpha -= 0.05;
-			if (getReadyMessage.alpha <= 0) {
-				LK.clearInterval(fadeOutInterval);
-				getReadyMessage.destroy();
+		self.scale.x = self.scale.y = Math.max(1, sizeMultiplier);
+		if (self.flicker) {
+			self.alpha += self.flickerSpeed;
+			if (self.alpha <= self.flickerMinAlpha || self.alpha >= self.flickerMaxAlpha) {
+				self.flickerSpeed *= -1;
 			}
-		}, 1000 / 60);
-		getSetMessage.destroy();
-	}, 3000);
-	var enemies = [];
-	var enemiesSpawnedCount = 0;
-	var background = self.addChild(new Background());
-	background.alpha = 0.3;
-	self.spawnEnemy = function () {
-		var enemy;
-		if (enemiesSpawnedCount % 10 === 0 && enemiesSpawnedCount !== 0) {
-			enemy = new EnemyBoss(hero);
-			enemy.scale.x *= 1 * (1 + enemiesSpawnedCount / 100);
-			enemy.scale.y *= 1 * (1 + enemiesSpawnedCount / 100);
-			enemy.speedY *= 1 * (1 + enemiesSpawnedCount / 100);
-			enemy.life *= 1 * (0.5 + enemiesSpawnedCount / 100);
-		} else {
-			enemy = new Enemy(hero);
+			self.alpha = Math.max(self.flickerMinAlpha, Math.min(self.alpha, self.flickerMaxAlpha));
 		}
-		enemy.x = Math.random() * 2048;
-		enemy.y = -enemy.height;
-		enemies.push(enemy);
-		self.addChild(enemy);
-		enemiesSpawnedCount++;
 	};
-	var enemySpawnTicker = 0;
-	LK.on('tick', function () {
-		var spawnRate = Math.max(30, 120 - Math.floor(LK.ticks / 3600));
-		if (enemySpawnTicker++ % spawnRate === 0) {
-			self.spawnEnemy();
+});
+
+/**** 
+* Initialize Game
+****/ 
+var game = new LK.Game({
+	backgroundColor: 0x000000
+});
+
+/**** 
+* Game Code
+****/ 
+var getReadyMessage = new Text2('Get Ready!', {
+	size: 200,
+	fill: '#ffffff',
+	align: 'center'
+});
+getReadyMessage.anchor.set(0.8, 0.8);
+getReadyMessage.x = 2048 / 2;
+getReadyMessage.y = 2732 / 3 - 100;
+getReadyMessage.alpha = 0;
+LK.gui.addChild(getReadyMessage);
+var fadeInInterval = LK.setInterval(function () {
+	getReadyMessage.alpha += 0.05;
+	if (getReadyMessage.alpha >= 1) {
+		LK.clearInterval(fadeInInterval);
+	}
+}, 1000 / 60);
+var getSetMessage = new Text2('(tap or hold for super shot!)', {
+	size: 50,
+	fill: '#ffffff',
+	align: 'center'
+});
+getSetMessage.anchor.set(0.8, 0.8);
+getSetMessage.x = 2048 / 2 - 90;
+getSetMessage.y = getReadyMessage.y + 100;
+LK.gui.addChild(getSetMessage);
+LK.setTimeout(function () {
+	var fadeOutInterval = LK.setInterval(function () {
+		getReadyMessage.alpha -= 0.05;
+		if (getReadyMessage.alpha <= 0) {
+			LK.clearInterval(fadeOutInterval);
+			getReadyMessage.destroy();
 		}
-	});
-	stage.on('up', function (obj) {
-		if (currentBullet) {
-			var pos = obj.event.getLocalPosition(self);
-			var dx = pos.x - hero.x;
-			var dy = pos.y - hero.y;
-			var angle = Math.atan2(dy, dx);
-			currentBullet.isShot = true;
-			currentBullet.speedX = Math.cos(angle) * 15;
-			currentBullet.speedY = Math.sin(angle) * 15;
-			hero.rotation = angle;
-			heroBullets.push(currentBullet);
-			currentBullet = null;
-		}
-	});
-	LK.on('tick', function () {
-		hero.updateMovement();
-		background.move();
-		if (currentBullet) {
-			var holdDuration = LK.ticks - holdTime;
-			var sizeMultiplier = Math.max(1, 1 + Math.abs(Math.sin(holdDuration / 60)) * 3);
-			if (currentBullet.scale.x < sizeMultiplier) {
-				currentBullet.scale.x = sizeMultiplier;
-				currentBullet.scale.y = sizeMultiplier;
-				if (currentBullet.bulletGraphics.width * currentBullet.scale.x > 150) {
-					currentBullet.bulletGraphics.tint = 0xFFA500;
-				}
+	}, 1000 / 60);
+	getSetMessage.destroy();
+}, 3000);
+var enemies = [];
+var enemiesSpawnedCount = 0;
+var background = game.addChild(new Background());
+background.alpha = 0.3;
+game.spawnEnemy = function () {
+	var enemy;
+	if (enemiesSpawnedCount % 10 === 0 && enemiesSpawnedCount !== 0) {
+		enemy = new EnemyBoss(hero);
+		enemy.scale.x *= 1 * (1 + enemiesSpawnedCount / 100);
+		enemy.scale.y *= 1 * (1 + enemiesSpawnedCount / 100);
+		enemy.speedY *= 1 * (1 + enemiesSpawnedCount / 100);
+		enemy.life *= 1 * (0.5 + enemiesSpawnedCount / 100);
+	} else {
+		enemy = new Enemy(hero);
+	}
+	enemy.x = Math.random() * 2048;
+	enemy.y = -enemy.height;
+	enemies.push(enemy);
+	game.addChild(enemy);
+	enemiesSpawnedCount++;
+};
+var enemySpawnTicker = 0;
+LK.on('tick', function () {
+	var spawnRate = Math.max(30, 120 - Math.floor(LK.ticks / 3600));
+	if (enemySpawnTicker++ % spawnRate === 0) {
+		game.spawnEnemy();
+	}
+});
+game.on('up', function (x, y, obj) {
+	if (currentBullet) {
+		var pos = game.toLocal(obj.global);
+		var dx = pos.x - hero.x;
+		var dy = pos.y - hero.y;
+		var angle = Math.atan2(dy, dx);
+		currentBullet.isShot = true;
+		currentBullet.speedX = Math.cos(angle) * 15;
+		currentBullet.speedY = Math.sin(angle) * 15;
+		hero.rotation = angle;
+		heroBullets.push(currentBullet);
+		currentBullet = null;
+	}
+});
+LK.on('tick', function () {
+	hero.updateMovement();
+	background._move_migrated();
+	if (currentBullet) {
+		var holdDuration = LK.ticks - holdTime;
+		var sizeMultiplier = Math.max(1, 1 + Math.abs(Math.sin(holdDuration / 60)) * 3);
+		if (currentBullet.scale.x < sizeMultiplier) {
+			currentBullet.scale.x = sizeMultiplier;
+			currentBullet.scale.y = sizeMultiplier;
+			if (currentBullet.bulletGraphics.width * currentBullet.scale.x > 150) {
+				currentBullet.bulletGraphics.tint = 0xFFA500;
 			}
-			currentBullet.flicker = true;
-			var flickerAmount = Math.abs(Math.sin(LK.ticks / 30)) * (currentBullet.flickerMaxAlpha - currentBullet.flickerMinAlpha);
-			currentBullet.alpha = currentBullet.flickerMinAlpha + flickerAmount;
-			if (currentBullet.flicker) {
-				currentBullet.alpha += currentBullet.flickerSpeed;
-				if (currentBullet.alpha <= currentBullet.flickerMinAlpha || currentBullet.alpha >= currentBullet.flickerMaxAlpha) {
-					currentBullet.flickerSpeed *= -1;
-				}
-				currentBullet.alpha = Math.max(currentBullet.flickerMinAlpha, Math.min(currentBullet.alpha, currentBullet.flickerMaxAlpha));
-			}
-			currentBullet.rotation = hero.rotation;
-			currentBullet.x = hero.x;
-			currentBullet.y = hero.y - hero.height / 2 - currentBullet.height / 2 - 10;
-			currentBullet.flickerSpeed = 0.1;
-			currentBullet.flickerMinAlpha = 0.3;
-			currentBullet.flickerMaxAlpha = 1;
 		}
-	});
-	var currentBullet = null;
-	var holdTime = 0;
-	var hero;
-	hero = self.addChild(new Hero());
-	hero.rotation = -Math.PI / 2;
-	var touchActive = false;
-	stage.on('down', function (obj) {
-		if (!touchActive) {
-			touchActive = true;
-			var pos = obj.event.getLocalPosition(self);
-			var dx = pos.x - hero.x;
-			var dy = pos.y - hero.y;
-			var angle = Math.atan2(dy, dx);
-			hero.rotation = angle;
-			currentBullet = new HeroBullet(hero);
-			currentBullet.x = hero.x;
-			currentBullet.y = hero.y - hero.height / 2 - currentBullet.height / 2 - 10;
-			currentBullet.rotation = hero.rotation;
-			self.addChild(currentBullet);
-			if (self.scale.x > 2 && self.scale.y > 2) {
-				bulletGraphics.tint = 0xFFA500;
+		currentBullet.flicker = true;
+		var flickerAmount = Math.abs(Math.sin(LK.ticks / 30)) * (currentBullet.flickerMaxAlpha - currentBullet.flickerMinAlpha);
+		currentBullet.alpha = currentBullet.flickerMinAlpha + flickerAmount;
+		if (currentBullet.flicker) {
+			currentBullet.alpha += currentBullet.flickerSpeed;
+			if (currentBullet.alpha <= currentBullet.flickerMinAlpha || currentBullet.alpha >= currentBullet.flickerMaxAlpha) {
+				currentBullet.flickerSpeed *= -1;
 			}
-			holdTime = LK.ticks;
+			currentBullet.alpha = Math.max(currentBullet.flickerMinAlpha, Math.min(currentBullet.alpha, currentBullet.flickerMaxAlpha));
 		}
-	});
-	stage.on('up', function (obj) {
-		touchActive = false;
-	});
-	stage.on('move', function (obj) {
-		var pos = obj.event.getLocalPosition(self);
+		currentBullet.rotation = hero.rotation;
+		currentBullet.x = hero.x;
+		currentBullet.y = hero.y - hero.height / 2 - currentBullet.height / 2 - 10;
+		currentBullet.flickerSpeed = 0.1;
+		currentBullet.flickerMinAlpha = 0.3;
+		currentBullet.flickerMaxAlpha = 1;
+	}
+});
+var currentBullet = null;
+var holdTime = 0;
+var hero;
+hero = game.addChild(new Hero());
+hero.rotation = -Math.PI / 2;
+var touchActive = false;
+game.on('down', function (x, y, obj) {
+	if (!touchActive) {
+		touchActive = true;
+		var pos = game.toLocal(obj.global);
 		var dx = pos.x - hero.x;
 		var dy = pos.y - hero.y;
 		var angle = Math.atan2(dy, dx);
 		hero.rotation = angle;
-	});
-	var enemies = [];
-	var heroBullets = [];
-	var enemyBullets = [];
-	var clouds = [];
-	var particles = [];
-	for (var i = 0; i < 2; i++) {
-		var cloud = new Cloud();
-		cloud.alpha = 0.3;
-		cloud.x = Math.random() * 2048;
-		cloud.y = Math.random() * -2732;
-		clouds.push(cloud);
-		self.addChildAt(cloud, 1);
+		currentBullet = new HeroBullet(hero);
+		currentBullet.x = hero.x;
+		currentBullet.y = hero.y - hero.height / 2 - currentBullet.height / 2 - 10;
+		currentBullet.rotation = hero.rotation;
+		game.addChild(currentBullet);
+		if (game.scale.x > 2 && game.scale.y > 2) {
+			bulletGraphics.tint = 0xFFA500;
+		}
+		holdTime = LK.ticks;
 	}
-	var scoreTxt = new Text2('0', {
-		size: 150,
-		fill: "#ffffff",
-		dropShadow: true,
-		dropShadowColor: "#000000",
-		dropShadowBlur: 4,
-		dropShadowAngle: Math.PI / 6,
-		dropShadowDistance: 6
-	});
-	LK.gui.topCenter.addChild(scoreTxt);
-	var isGameOver = false;
-	hero.x = 2048 / 2;
-	hero.y = 2732 - 280;
-	LK.setTimeout(function () {
-		var startPosition = hero.y;
-		var endPosition = startPosition - 500;
-		var duration = 120;
-		var step = (startPosition - endPosition) / duration;
-		var currentStep = 0;
-		var moveHero = function () {
-			if (currentStep < duration) {
-				hero.y -= step;
-				currentStep++;
-			} else if (currentStep < duration * 2) {
-				hero.y += step;
-				currentStep++;
-			} else {
-				hero.y = startPosition;
-				LK.clearInterval(heroMoveInterval);
-			}
-		};
-		var heroMoveInterval = LK.setInterval(moveHero, 1000 / 60);
-	}, 0);
-	LK.on('tick', function () {
-		for (var i = 0; i < heroBullets.length; i++) {
-			if (heroBullets[i]) heroBullets[i].move();
-			for (var j = 0; j < enemies.length; j++) {
-				if (heroBullets[i] && heroBullets[i].intersects(enemies[j])) {
-					enemies[j].life -= heroBullets[i].damage * 10;
-					if (enemies[j].life <= 0) {
-						var scoreIncrement = enemies[j] instanceof EnemyBoss ? 50 : 10;
-						scoreIncrement += Math.floor(LK.ticks / 3600);
-						LK.setScore(LK.getScore() + scoreIncrement);
-						scoreTxt.setText(LK.getScore().toString());
-						enemies[j].destroy();
-						enemies.splice(j, 1);
-					}
-					heroBullets[i].destroy();
-					heroBullets.splice(i, 1);
-					break;
+});
+game.on('up', function (x, y, obj) {
+	touchActive = false;
+});
+game.on('move', function (x, y, obj) {
+	var pos = game.toLocal(obj.global);
+	var dx = pos.x - hero.x;
+	var dy = pos.y - hero.y;
+	var angle = Math.atan2(dy, dx);
+	hero.rotation = angle;
+});
+var enemies = [];
+var heroBullets = [];
+var enemyBullets = [];
+var clouds = [];
+var particles = [];
+for (var i = 0; i < 2; i++) {
+	var cloud = new Cloud();
+	cloud.alpha = 0.3;
+	cloud.x = Math.random() * 2048;
+	cloud.y = Math.random() * -2732;
+	clouds.push(cloud);
+	game.addChildAt(cloud, 1);
+}
+var scoreTxt = new Text2('0', {
+	size: 150,
+	fill: "#ffffff",
+	dropShadow: true,
+	dropShadowColor: "#000000",
+	dropShadowBlur: 4,
+	dropShadowAngle: Math.PI / 6,
+	dropShadowDistance: 6
+});
+LK.gui.top.addChild(scoreTxt);
+var isGameOver = false;
+hero.x = 2048 / 2;
+hero.y = 2732 - 280;
+LK.setTimeout(function () {
+	var startPosition = hero.y;
+	var endPosition = startPosition - 500;
+	var duration = 120;
+	var step = (startPosition - endPosition) / duration;
+	var currentStep = 0;
+	var moveHero = function moveHero() {
+		if (currentStep < duration) {
+			hero.y -= step;
+			currentStep++;
+		} else if (currentStep < duration * 2) {
+			hero.y += step;
+			currentStep++;
+		} else {
+			hero.y = startPosition;
+			LK.clearInterval(heroMoveInterval);
+		}
+	};
+	var heroMoveInterval = LK.setInterval(moveHero, 1000 / 60);
+}, 0);
+LK.on('tick', function () {
+	for (var i = 0; i < heroBullets.length; i++) {
+		if (heroBullets[i]) {
+			heroBullets[i]._move_migrated();
+		}
+		for (var j = 0; j < enemies.length; j++) {
+			if (heroBullets[i] && heroBullets[i].intersects(enemies[j])) {
+				enemies[j].life -= heroBullets[i].damage * 10;
+				if (enemies[j].life <= 0) {
+					var scoreIncrement = enemies[j] instanceof EnemyBoss ? 50 : 10;
+					scoreIncrement += Math.floor(LK.ticks / 3600);
+					LK.setScore(LK.getScore() + scoreIncrement);
+					scoreTxt.setText(LK.getScore().toString());
+					enemies[j].destroy();
+					enemies.splice(j, 1);
 				}
-			}
-			if (heroBullets[i] && heroBullets[i].y < -50) {
 				heroBullets[i].destroy();
 				heroBullets.splice(i, 1);
-				i--;
-				i--;
+				break;
 			}
 		}
-		for (var i = 0; i < enemyBullets.length; i++) {
-			enemyBullets[i].move();
-			if (enemyBullets[i].y > 2732 + 50) {
-				enemyBullets[i].destroy();
-				enemyBullets.splice(i, 1);
-			}
+		if (heroBullets[i] && heroBullets[i].y < -50) {
+			heroBullets[i].destroy();
+			heroBullets.splice(i, 1);
+			i--;
+			i--;
 		}
-		for (var i = 0; i < enemies.length; i++) {
-			if (enemies[i].intersects(hero)) {
-				isGameOver = true;
-				break;
-			}
+	}
+	for (var i = 0; i < enemyBullets.length; i++) {
+		enemyBullets[i]._move_migrated();
+		if (enemyBullets[i].y > 2732 + 50) {
+			enemyBullets[i].destroy();
+			enemyBullets.splice(i, 1);
 		}
-		for (var i = 0; i < enemies.length; i++) {
-			enemies[i].move();
-			if (enemies[i].y > 2732) {
-				enemies[i].destroy();
-				enemies.splice(i, 1);
-				i--;
-			}
+	}
+	for (var i = 0; i < enemies.length; i++) {
+		if (enemies[i].intersects(hero)) {
+			isGameOver = true;
+			break;
 		}
-		clouds.forEach(function (cloud) {
-			cloud.move();
-		});
-		if (isGameOver) {
-			LK.effects.flashScreen(0xff0000, 1000);
-			LK.showGameOver();
+	}
+	for (var i = 0; i < enemies.length; i++) {
+		enemies[i]._move_migrated();
+		if (enemies[i].y > 2732) {
+			enemies[i].destroy();
+			enemies.splice(i, 1);
+			i--;
 		}
+	}
+	clouds.forEach(function (cloud) {
+		cloud._move_migrated();
 	});
-});
+	if (isGameOver) {
+		LK.effects.flashScreen(0xff0000, 1000);
+		LK.showGameOver();
+	}
+});
\ No newline at end of file