function Node(data) {
	this.data = data;
	this.prev = null;
	this.next = null;
}
function LinkedList() {
	this.head = null;
	this.tail = null;
	this.length = 0;
}
LinkedList.prototype.push = function (data) {
	var node = new Node(data);
	if (!this.head) {
		this.head = node;
		this.tail = node;
	} else {
		node.prev = this.tail;
		this.tail.next = node;
		this.tail = node;
	}
	this.length++;
};
LinkedList.prototype.remove = function (node) {
	if (node.prev) {
		node.prev.next = node.next;
	} else {
		this.head = node.next;
	}
	if (node.next) {
		node.next.prev = node.prev;
	} else {
		this.tail = node.prev;
	}
	node.prev = null;
	node.next = null;
	this.length--;
	return node.data;
};
LinkedList.prototype.popEach = function (callback) {
	while (this.head) {
		callback(this.remove(this.head));
	}
};
LinkedList.prototype.forEach = function (callback) {
	var node = this.head;
	while (node) {
		var next = node.next;
		callback(node.data, node);
		node = next;
	}
};
function updateIteration(list, args) {
	list.forEach(function (item, node) {
		if (item.update(args)) {
			item.destroy();
			list.remove(node);
		}
	});
}
var Point = Container.expand(function (parent, x, y) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	var collision = self.createAsset('blank', 'Collision', .5, .5);
	collision.tint = 0xff0000;
	collision.width = 10;
	collision.height = 10;
	collision.opacity = 1;
});
var HealthBar = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	var border = self.createAsset('blank', 'Health Bar Border', .5, .5);
	var bar = LK.getAsset('blank', 'Health Bar', .5, .5);
	var defaultTint = 0xffffff;
	var defaultWidth = 100;
	var defaultHeight = 10;
	var defaultWeight = 4;
	self.addChild(bar);
	bar.width = args.width || defaultWidth;
	bar.height = args.height || defaultHeight;
	bar.tint = args.tint || defaultTint;
	border.width = bar.width + 2 * (args.weight || defaultWeight);
	border.height = bar.height + 2 * (args.weight || defaultWeight);
	border.tint = 0x000000;
	self.updatePercentage = updatePercentage;
	function updatePercentage(percentage) {
		bar.scale.x = Math.max(0, percentage);
	}
});
var SectionalContainer = Container.expand(function (parent) {
	var self = Container.call(this);
	self.x = 0;
	self.y = 0;
	parent.addChild(self);
});
var BorderedText = Container.expand(function (string, settings) {
	var self = Container.call(this);
	var textList = [];
	var defaultFill = '#ffffff';
	var defaultBorder = '#000000';
	var defaultFont = 'bold monospace';
	var defaultSize = 50;
	var defaultWeight = 2;
	var offsets = [[-1, -1], [-1, 1], [1, 1], [1, -1], [0, 0]];
	var borderSettings = {
		fill: settings.border || defaultBorder,
		font: settings.font || defaultFont,
		size: settings.size || defaultSize
	};
	var textSettings = {
		fill: settings.fill || defaultFill,
		font: settings.font || defaultFont,
		size: settings.size || defaultSize
	};
	self.x = settings.x;
	self.y = settings.y;
	for (var i = 0; i < offsets.length; i++) {
		var localSettings = i === offsets.length - 1 ? textSettings : borderSettings;
		var text = new Text2(string, localSettings);
		text.x += offsets[i][0] * defaultWeight;
		text.y += offsets[i][1] * defaultWeight;
		if (settings.anchor) {
			text.anchor.set(settings.anchor.x, settings.anchor.y);
		}
		textList.push(text);
		self.addChild(text);
	}
	self.setText = function (string) {
		for (var i = 0; i < textList.length; i++) {
			textList[i].setText(string);
		}
	};
	self.setFill = function (newFill) {
		textList[textList.length - 1].fill = newFill;
	};
});
var CountdownTimer = Container.expand(function (initialCountdown) {
	var self = Container.call(this);
	var countdown = initialCountdown;
	var ticker = 60;
	var countdownTxt = new BorderedText('', {
		size: 60,
		anchor: {
			x: .5,
			y: 0
		}
	});
	self.update = update;
	self.addChild(countdownTxt);
	adjustLabel();
	function update() {
		ticker -= 1;
		if (ticker <= 0) {
			ticker = 60;
			countdown--;
			if (countdown >= 0) {
				adjustLabel();
			}
		}
		return 1 - countdown / initialCountdown;
	}
	function adjustLabel() {
		var minutes = Math.floor(countdown / 60);
		var seconds = countdown % 60;
		var minutesString = (minutes < 10 ? '0' : '') + minutes;
		var secondsString = (seconds < 10 ? '0' : '') + seconds;
		countdownTxt.setText(minutesString + ':' + secondsString);
	}
});
var BoonUpgradeButton = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	var fill = args.fill;
	var hidden = false;
	var count = 0;
	var button = self.createAsset('boonButton', 'Boon Upgrade Button', 0.5, 0.4);
	var countTxt = new BorderedText('0', {
		fill: '#ff0000',
		anchor: {
			x: .5,
			y: .5
		}
	});
	button.on('down', args.callback);
	self.addChild(countTxt);
	self.visible = false;
	self.setHidden = setHidden;
	self.setCount = setCount;
	function setHidden(newHidden) {
		hidden = newHidden;
		checkHidden();
	}
	function setCount(newCount) {
		count = newCount;
		countTxt.setText(newCount);
		checkHidden();
	}
	function checkHidden() {
		self.visible = !hidden && count > 0;
	}
});
var BoonSelection = Container.expand(function (boons, type, count, callback) {
	var self = Container.call(this);
	var availableBoons = Object.keys(boons).filter(function (boon) {
		return boons[boon] < 3;
	});
	if (!availableBoons.length) {
		self.destroy();
		callback();
	}
	var selectedBoons = [];
	while (selectedBoons.length < 3 && availableBoons.length > 0) {
		var boonIndex = Math.floor(Math.random() * availableBoons.length);
		selectedBoons.push(availableBoons.splice(boonIndex, 1)[0]);
	}
	var background = self.createAsset('boonBackground', 'Boon Selection Popup', 0.5, 0.5);
	var boonMessageTitle = new BorderedText('Choose ' + count, {
		y: -220,
		size: 60,
		anchor: {
			x: .5,
			y: 0
		}
	});
	background.y = 50;
	self.addChild(boonMessageTitle);
	var boonMessageSubtitle = new BorderedText(type + ' Boon' + (count === 1 ? '' : 's'), {
		y: -150,
		anchor: {
			x: .5,
			y: 0
		}
	});
	self.addChild(boonMessageSubtitle);
	for (var i = 0; i < selectedBoons.length; i++) {
		var boon = selectedBoons[i];
		var boonButton = self.createAsset('boonButton', 'Boon Button', 0.5, 0.4);
		boonButton.y = i * 120;
		boonButton.x = -120;
		boonButton.boon = boon;
		boonButton.on('down', function () {
			self.destroy();
			callback(this.boon);
		});
		var boonLevel = new BorderedText(boons[boon], {
			x: boonButton.x,
			y: boonButton.y,
			anchor: {
				x: .5,
				y: .5
			}
		});
		var boonName = new BorderedText(boon, {
			x: boonButton.x + 60,
			y: boonButton.y,
			anchor: {
				x: 0,
				y: .5
			}
		});
		self.addChild(boonLevel);
		self.addChild(boonName);
	}
});
var ExperiencePickup = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	var activeDist = 300;
	var activeDistSqr = activeDist * activeDist;
	var collectDistance = 80;
	var collectDistanceSqr = collectDistance * collectDistance;
	var combineDist = 100;
	var combineDistSqr = combineDist * combineDist;
	self.experience = args.experience;
	args.experiencePickups.forEach(function (experiencePickup, node) {
		if (args.experiencePickup !== self) {
			var dx = experiencePickup.x - self.x;
			var dy = experiencePickup.y - self.y;
			var distanceSqr = dx * dx + dy * dy;
			if (distanceSqr <= combineDistSqr) {
				self.experience += experiencePickups.remove(node).experience;
				self.x += dx / 2;
				self.y += dy / 2;
			}
		}
	});
	var size = 'small';
	if (self.experience > 5) {
		size = 'medium';
		if (self.experience > 10) {
			size = 'large';
		}
	}
	var pickupGraphics = self.createAsset(size + 'ExperiencePickup', 'Experience Pickup', .5, .5);
	var active = false;
	var speed = 20;
	self.update = update;
	function update(args) {
		var hero = args.hero;
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distanceSqr = dx * dx + dy * dy;
		if (distanceSqr <= activeDistSqr) {
			self.active = true;
			if (distanceSqr <= collectDistanceSqr) {
				hero.addExperience(self.experience);
				return true;
			}
		}
		if (self.active) {
			var distance = Math.sqrt(distanceSqr);
			self.x += dx / distance * speed;
			self.y += dy / distance * speed;
		}
	}
});
var CrucifixPickup = Container.expand(function (parent, x, y) {
	var self = Container.call(this);
	parent.addChild(self);
	self.collisionPoint = new Point(self);
	self.x = x;
	self.y = y;
	var pickupGraphics = self.createAsset('crucifixPickup', 'Crucifix Pickup', .5, .5);
	self.update = update;
	function update(args) {
		var hero = args.hero;
		if (hero.collision.intersects(self.collisionPoint)) {
			args.enemies.popEach(function (enemy) {
				enemy.destroy();
			});
			args.enemyProjectiles.popEach(function (enemyProjectile) {
				enemyProjectile.destroy();
			});
			args.experiencePickups.forEach(function (experiencePickup) {
				experiencePickup.active = true;
			});
			LK.effects.flashScreen(0xffffff, 1000);
		}
	}
});
var HealingPickup = Container.expand(function (parent, x, y) {
	var self = Container.call(this);
	parent.addChild(self);
	self.collisionPoint = new Point(self);
	self.x = x;
	self.y = y;
	var pickupGraphics = self.createAsset('healingPickup', 'Healing Pickup', .5, .5);
	var healPercentage = 0.1;
	self.update = update;
	function update(args) {
		var hero = args.hero;
		if (hero.collision.intersects(self.collisionPoint)) {
			hero.onHealPercentage(0.1);
			return true;
		}
	}
});
var BasicBloodSplatter = Container.expand(function (parent, x, y) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	var splatterGraphics = self.createAsset('bloodSplatter', 'Blood Splatter', .5, .5);
	var initialLifetime = Math.floor(0.2 * 60);
	var remainingLifetime = initialLifetime;
	self.update = update;
	function update() {
		if (--remainingLifetime <= 0) {
			return true;
		}
		var lifetime = remainingLifetime / initialLifetime;
		var newScale = 2 - lifetime;
		splatterGraphics.alpha = lifetime;
		splatterGraphics.scale = {
			x: newScale,
			y: newScale
		};
	}
});
var BasicEnemy = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.collision = self.createAsset('enemy', 'Basic Enemy', .5, .5);
	self.id = args.id;
	self.x = x;
	self.y = y;
	var healthBar = null;
	var damageDistance = 100;
	var heightDifference = 25;
	var speed = 2.5;
	var damage = 10;
	var initialCooldown = 10;
	var cooldown = initialCooldown;
	var bobMagnitude = 2;
	var bobPeriod = 10;
	var creationTick = LK.ticks;
	var parent = parent;
	var healthMax = 5 + 25 * args.difficultyScale;
	var health = healthMax;
	self.update = update;
	self.onTakeDamage = onTakeDamage;
	function update(args) {
		if (health <= 0) {
			kill(args);
			return true;
		}
		var hero = args.hero;
		var game = args.game;
		var backgroundContainer = args.backgroundContainer;
		var foregroundContainer = args.foregroundContainer;
		var dx = hero.x - self.x;
		var dy = hero.y + heightDifference - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > damageDistance) {
			self.x += dx / distance * speed;
			self.y += dy / distance * speed + Math.sin((LK.ticks - creationTick) / bobPeriod) * bobMagnitude;
			cooldown = initialCooldown;
		} else {
			cooldown -= 1;
			if (cooldown <= 0) {
				cooldown = initialCooldown;
				hero.onTakeDamage(damage);
			}
		}
		var newParent;
		if (self.y <= hero.y + heightDifference) {
			newParent = backgroundContainer;
		} else {
			newParent = foregroundContainer;
		}
		if (parent !== newParent) {
			newParent.addChild(self);
			parent = newParent;
		}
	}
	function kill(args) {
		var hero = args.hero;
		var game = args.game;
		var effects = args.effects;
		var healthPickups = args.healthPickups;
		var crucifixPickups = args.crucifixPickups;
		var experiencePickups = args.experiencePickups;
		if (crucifixPickups.length < 1 && Math.random() < Math.sqrt(hero.minorBoonLevels['Luck']) / 100) {
			crucifixPickups.push(new CrucifixPickup(game, self.x, self.y));
		} else if (healthPickups.length < 3) {
			for (var k = 0; k <= 1 + hero.minorBoonLevels['Luck']; k++) {
				if (Math.random() < 0.02) {
					healthPickups.push(new HealingPickup(game, self.x, self.y));
					break;
				}
			}
		}
		var droppedExperience = 0;
		for (var k = 0; k <= 2 + hero.minorBoonLevels['Luck']; k++) {
			if (Math.random() < 0.3) {
				droppedExperience++;
			}
		}
		if (droppedExperience > 0) {
			var x = self.x + Math.random() * 100 - 50;
			var y = self.y + Math.random() * 100 - 50;
			experiencePickups.push(new ExperiencePickup(game, x, y, {
				experience: droppedExperience,
				experiencePickups
			}));
		}
		effects.push(new BasicBloodSplatter(game, self.x, self.y));
	}
	function onTakeDamage(takenDamage) {
		health -= takenDamage;
		if (health > 0) {
			if (!healthBar) {
				healthBar = new HealthBar(self, 0, -self.collision.height / 2 - 50, {
					tint: 0xaa0000
				});
			}
			healthBar.updatePercentage(health / healthMax);
			LK.effects.flashObject(self.collision, 0xaa0000, 1000);
		}
	}
});
var CrossProjectile = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = x;
	self.y = y;
	self.collisionPoint = new Point(self);
	var projectileAsset = self.createAsset('crossProjectile', 'Projectile Asset', .5, .5);
	var hitMap = {};
	var initialSpeed = 30;
	var speed = initialSpeed;
	var speedDecrement = 1;
	var destroyRange = -1200;
	var growth = 1;
	var growthRate = args.growthRate;
	var initialScale = args.scale;
	var currentScale = initialScale;
	var scaleDamageFactor = 0.25;
	var range = args.range;
	var damage = args.damage;
	var linger = args.linger;
	var angle = args.angle;
	self.rotation = Math.random() * Math.PI * 2;
	self.scale = {
		x: currentScale,
		y: currentScale
	};
	self.update = update;
	function update(args) {
		var hero = args.hero;
		var enemies = args.enemies;
		self.x += speed * Math.cos(angle);
		self.y += speed * Math.sin(angle);
		self.rotation += 0.2;
		if (growthRate > 0) {
			growth += growthRate;
			currentScale = initialScale * growth;
			self.scale = {
				x: currentScale,
				y: currentScale
			};
		}
		if (range <= 0) {
			if (speed > -initialSpeed) {
				if (speed <= 0 && linger > 0) {
					speed = 0;
					linger--;
				} else {
					speed -= speedDecrement;
				}
			} else {
				speed = -initialSpeed;
			}
		}
		range -= Math.abs(speed);
		var tick = LK.ticks;
		enemies.forEach(function (enemy) {
			if (enemy.collision.intersects(self)) {
				var lastHitTick = hitMap[enemy.id];
				if (!lastHitTick || tick - lastHitTick > 10) {
					hitMap[enemy.id] = tick;
					enemy.onTakeDamage(damage * (1 + (currentScale - 1) * scaleDamageFactor));
				}
			}
		});
		return (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) && range < destroyRange || hero.collision.intersects(self.collisionPoint) && speed < 0;
	}
});
var CrossWeapon = Container.expand(function (parent) {
	var self = Container.call(this);
	parent.addChild(self);
	self.x = 0;
	self.y = 0;
	var initialCooldown = 120;
	var cooldown = self.initialCooldown;
	var spreadIncrement = 20 * Math.PI / 180;
	self.update = update;
	function update(args) {
		var hero = args.hero;
		if (cooldown > 0) {
			cooldown--;
		} else {
			launch(args);
			var attackSpeed = 1 + 0.25 * hero.minorBoonLevels['Rearm'];
			cooldown = initialCooldown / attackSpeed;
		}
	}
	function launch(args) {
		var hero = args.hero;
		var game = args.game;
		var projectiles = args.projectiles;
		var scale = 1 + 0.35 * hero.minorBoonLevels['Scale'];
		var range = (200 + 100 * hero.minorBoonLevels['Range']) * (0.9 + 0.2 * Math.random());
		var damage = 15 + 10 * hero.minorBoonLevels['Damage'];
		var linger = 0 + 15 * hero.minorBoonLevels['Duration'] + Math.floor(10 * Math.random());
		var growthRate = 0.25 * hero.majorBoonLevels['Growth'] / 60;
		var spreadCount = 1 + hero.majorBoonLevels['Split'];
		var dx = hero.shootPos.x - hero.x;
		var dy = hero.shootPos.y - hero.y;
		var baseAngle = Math.atan2(dy, dx) - spreadCount * spreadIncrement / 2;
		for (var i = 0; i < spreadCount; i++) {
			var spreadAngle = spreadCount <= 1 ? 0 : spreadIncrement / 2 * (Math.random() - 0.5);
			var angle = baseAngle + i * spreadIncrement + spreadAngle;
			projectiles.push(new CrossProjectile(game, hero.x, hero.y, {
				growthRate,
				damage,
				angle,
				scale,
				range,
				linger
			}));
		}
	}
});
var Hero = Container.expand(function (parent, x, y, args) {
	var self = Container.call(this);
	parent.addChild(self);
	self.collision = self.createAsset('hero', 'Hero character', .5, .5);
	self.x = x;
	self.y = y;
	var progressBar = args.progressBar;
	var onLevelUp = args.onLevelUp;
	var baseMaxHealth = 100;
	var healthMax = baseMaxHealth;
	var health = baseMaxHealth;
	var experience = 0;
	var level = 1;
	var levelRequirement = 20;
	var healthBar = new HealthBar(self, 0, -self.height / 2 - 10, {
		tint: 0x0fa0ff
	});
	self.minorBoonLevels = {
		'Luck': 0,
		'Scale': 0,
		'Range': 0,
		'Damage': 0,
		'Rearm': 0,
		'Duration': 0,
		'Health': 0
	};
	self.majorBoonLevels = {
		'Growth': 0,
		'Split': 0
	};
	self.shootPos = {
		x,
		y
	};
	self.update = update;
	self.addExperience = addExperience;
	self.onTakeDamage = onTakeDamage;
	self.onHealPercentage = onHealPercentage;
	function update(args) {
		var game = args.game;
		var newMaxHealth = baseMaxHealth + 30 * self.minorBoonLevels['Health'];
		if (healthMax < newMaxHealth) {
			healthMax = newMaxHealth;
			health = newMaxHealth;
			healthBar.updatePercentage(health / healthMax);
		}
		if (self.targetPos) {
			var dx = self.targetPos.x - self.x;
			var dy = self.targetPos.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 5) {
				self.x += dx / distance * 10;
				self.y += dy / distance * 10;
			} else {
				self.x = self.targetPos.x;
				self.y = self.targetPos.y;
				self.targetPos = null;
			}
		}
		if (self.shootPos.x < self.x) {
			self.scale.x = -1;
		} else {
			self.scale.x = 1;
		}
	}
	function addExperience(amount) {
		experience += amount;
		if (experience >= levelRequirement) {
			level++;
			experience -= levelRequirement;
			levelRequirement = Math.floor(levelRequirement * 1.2);
			onLevelUp(level);
		}
		progressBar.scale.x = experience / levelRequirement;
	}
	function onTakeDamage(amount) {
		health -= amount;
		healthBar.updatePercentage(health / healthMax);
		LK.effects.flashObject(self.collision, 0xaa0000, 1000);
		if (health <= 0) {
			LK.effects.flashScreen(0xaa0000, 1000);
			LK.showGameOver();
		}
	}
	function onHealPercentage(percentage) {
		health = Math.min(healthMax, health + healthMax * percentage);
		healthBar.updatePercentage(health / healthMax);
		LK.effects.flashObject(self.collision, 0x0fa0ff, 1000);
	}
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var isPaused = false;
	var minorBoonCount = 0;
	var majorBoonCount = 0;
	var grass = LK.getAsset('grass', 'Grass Background', 0, 0);
	var aimArrow = LK.getAsset('arrow', 'Directional Arrow', -2.5, 0.5);
	var canMove = false;
	var difficultyScale = 0;
	var upgradeButton = new BoonUpgradeButton(LK.gui.topRight, -80, 60, {
		fill: '#ff0000',
		callback: function () {
			if (minorBoonCount + majorBoonCount > 0) {
				showBoonSelection();
			}
		}
	});
	var levelTxt = new BorderedText('Level 1 • XP', {
		anchor: {
			x: 1.0,
			y: 0
		},
		size: 80
	});
	var selectingBoon = false;
	var progressBarBorder = LK.getAsset('progressBarBorder', 'Progress Bar Border', 0, .5);
	var progressBar = LK.getAsset('progressBar', 'Progress Bar', 0, .5);
	var enemyIdCounter = -1;
	var heroProjectiles = new LinkedList();
	var enemyProjectiles = new LinkedList();
	var weapons = new LinkedList();
	var enemies = new LinkedList();
	var healthPickups = new LinkedList();
	var crucifixPickups = new LinkedList();
	var experiencePickups = new LinkedList();
	var effects = new LinkedList();
	var countdownTimer = new CountdownTimer(300);
	LK.gui.topCenter.addChild(countdownTimer);
	LK.gui.topCenter.addChild(progressBarBorder);
	LK.gui.topCenter.addChild(progressBar);
	LK.gui.topCenter.addChild(levelTxt);
	countdownTimer.y = levelTxt.height + 10;
	progressBarBorder.x = 20;
	progressBarBorder.y = levelTxt.y + levelTxt.height / 2;
	progressBar.x = 24;
	progressBar.y = levelTxt.y + levelTxt.height / 2;
	progressBar.scale.x = 0;
	grass.width = 2048;
	grass.height = 2732;
	self.addChild(grass);
	self.addChild(aimArrow);
	var backgroundContainer = new SectionalContainer(self);
	var hero = new Hero(self, 2048 / 2, 2732 / 2, {
		progressBar,
		onLevelUp
	});
	weapons.push(new CrossWeapon(self));
	var foregroundContainer = new SectionalContainer(self);
	stage.on('down', function (obj) {
		canMove = true;
		hero.targetPos = obj.event.getLocalPosition(self);
	});
	stage.on('up', function (obj) {
		canMove = false;
		hero.targetPos = null;
	});
	stage.on('move', function (obj) {
		if (!isPaused) {
			if (canMove) {
				hero.targetPos = obj.event.getLocalPosition(self);
			}
			hero.shootPos = obj.event.getLocalPosition(self);
			if (hero.shootPos.x < hero.x) {
				hero.scale.x = -1;
			} else {
				hero.scale.x = 1;
			}
		}
	});
	LK.on('tick', function () {
		if (!isPaused) {
			difficultyScale = countdownTimer.update();
			hero.update({
				game: self
			});
			aimArrow.x = hero.x;
			aimArrow.y = hero.y;
			aimArrow.rotation = Math.atan2(hero.shootPos.y - hero.y, hero.shootPos.x - hero.x);
			updateIteration(weapons, {
				projectiles: heroProjectiles,
				game: self,
				hero
			});
			updateIteration(heroProjectiles, {
				enemies,
				hero
			});
			updateIteration(enemyProjectiles);
			updateIteration(enemies, {
				game: self,
				backgroundContainer,
				foregroundContainer,
				experiencePickups,
				crucifixPickups,
				healthPickups,
				effects,
				hero
			});
			updateIteration(effects);
			updateIteration(experiencePickups, {
				hero
			});
			updateIteration(healthPickups, {
				hero
			});
			updateIteration(crucifixPickups, {
				experiencePickups,
				enemyProjectiles,
				enemies,
				hero
			});
			if (LK.ticks % Math.max(10, 60 - Math.floor(50 * difficultyScale)) === 0) {
				spawnEnemy();
			}
		}
	});
	function showBoonSelection() {
		if (!selectingBoon) {
			var boonSelection;
			if (minorBoonCount) {
				selectingBoon = true;
				boonSelection = new BoonSelection(hero.minorBoonLevels, 'Minor', minorBoonCount, function (boon) {
					if (boon) {
						hero.minorBoonLevels[boon]++;
						minorBoonCount--;
						upgradeButton.setCount(minorBoonCount + majorBoonCount);
						selectingBoon = false;
						showBoonSelection();
					}
				});
			} else if (majorBoonCount) {
				selectingBoon = true;
				boonSelection = new BoonSelection(hero.majorBoonLevels, 'Major', majorBoonCount, function (boon) {
					if (boon) {
						hero.majorBoonLevels[boon]++;
						majorBoonCount--;
						upgradeButton.setCount(minorBoonCount + majorBoonCount);
						selectingBoon = false;
						showBoonSelection();
					}
				});
			}
			if (boonSelection) {
				isPaused = true;
				LK.gui.center.addChild(boonSelection);
			} else {
				isPaused = false;
			}
			upgradeButton.setHidden(selectingBoon);
		}
	}
	function spawnEnemy() {
		var side = Math.floor(Math.random() * 4);
		var distance = Math.random();
		var x, y;
		switch (side) {
			case 0:
				x = 2048 * distance;
				y = 0;
				break;
			case 1:
				x = 2048;
				y = 2732 * distance;
				break;
			case 2:
				x = 2048 * distance;
				y = 2732;
				break;
			case 3:
				x = 0;
				y = 2732 * distance;
				break;
		}
		enemies.push(new BasicEnemy(self, x, y, {
			id: (++enemyIdCounter).toString(),
			difficultyScale
		}));
	}
	function onLevelUp(level) {
		levelTxt.setText('Level ' + level + ' • XP');
		if (level % 5) {
			minorBoonCount++;
		} else {
			majorBoonCount++;
		}
		upgradeButton.setCount(minorBoonCount + majorBoonCount);
	}
});