/**** 
* Classes
****/
// BulletPack class
var BulletPack = Container.expand(function () {
	var self = Container.call(this);
	var bulletPackGraphics = self.attachAsset('bulletPack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.direction = Math.random() < 0.5 ? -1 : 1;
	self.move = function () {
		var speedIncreaseFactor = 0.1 + LK.ticks * 0.0002;
		self.y += self.speed + speedIncreaseFactor;
		self.x += self.direction * (10 + speedIncreaseFactor);
		if (self.x < 0 || self.x > game.width) {
			self.direction *= -1;
		}
	};
});
// Character class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bulletLimit = difficulty === 'medium' ? 3 : 5; // Initialize bullet limit based on difficulty
	self.bulletsInPlay = 0; // Track bullets currently in play
	self.canShoot = true; // Allow shooting initially
	self.update = function () {
		// Hero update logic
	};
	self.shoot = function () {
		if (this.bulletLimit > 0 && this.canShoot) {
			var bullet = new Bullet();
			bullet.x = this.x;
			bullet.y = this.y - this.height / 2;
			heroBullets.push(bullet);
			game.addChild(bullet);
			this.bulletsInPlay++; // Increment bullets in play
			this.bulletLimit--;
			bulletCountTxt.setText('Bullets: ' + this.bulletLimit); // Update bullet count display to show the amount of bullets the hero has left
			this.canShoot = false; // Set shooting cooldown
			LK.setTimeout(function () {
				self.canShoot = true;
			}, 500); // Cooldown of 500ms before next shot
		}
	};
});
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('Bullet', {
		anchorX: 0.0625,
		anchorY: 0.0625
	});
	self.speed = -10;
	self.move = function () {
		self.y += self.speed;
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.direction = Math.random() < 0.5 ? -1 : 1;
	self.move = function () {
		self.y += self.speed;
		var speedIncreaseFactor = 0.1 + LK.ticks * 0.0002; // Increase the speed factor over time
		self.x += self.direction * (4 + speedIncreaseFactor);
		if (self.x < 0 || self.x > game.width) {
			self.direction *= -1;
		}
		self.speed += difficulty === 'easy' ? 0.01 + LK.ticks * 0.00005 : difficulty === 'medium' ? 0.02 + LK.ticks * 0.0001 : 0.03 + LK.ticks * 0.00015; // Increase speed over time with an accelerating factor based on difficulty
	};
});
var Button = Container.expand(function (text, positionX, positionY, onClickCallback) {
	var self = Container.call(this);
	var buttonText = new Text2(text, {
		size: 200,
		fill: "#ffffff"
	});
	buttonText.anchor.set(0.5);
	self.addChild(buttonText);
	self.x = positionX;
	self.y = positionY;
	self.interactive = true;
	self.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(game);
		if (self.containsPoint(pos)) {
			onClickCallback();
		}
	});
	self.containsPoint = function (point) {
		return point.x >= self.x - self.width / 2 && point.x <= self.x + self.width / 2 && point.y >= self.y - self.height / 2 && point.y <= self.y + self.height / 2;
	};
});
// JoystickAsset class
var JoystickAsset = Container.expand(function () {
	var self = Container.call(this);
	self.interactive = true;
	self.isDragging = false;
	self.onMoveCallback = null;
	self.setMoveCallback = function (callback) {
		self.onMoveCallback = function (direction) {
			callback({
				x: direction.x,
				y: 0
			});
		};
	};
	self.on('down', function (obj) {
		self.isDragging = true;
	});
	self.on('up', function (obj) {
		self.isDragging = false;
		stickGraphics.x = stickOrigin.x;
		stickGraphics.y = stickOrigin.y;
		if (self.onMoveCallback) {
			self.onMoveCallback({
				x: 0,
				y: 0
			});
		}
	});
	self.on('move', function (obj) {
		if (self.isDragging) {
			var event = obj.event;
			var pos = event.getLocalPosition(self);
			var dx = pos.x - stickOrigin.x;
			var maxDistance = stickGraphics.width * 0.5;
			if (Math.abs(dx) > maxDistance) {
				dx = maxDistance * (dx > 0 ? 1 : -1);
			}
			stickGraphics.x = stickOrigin.x + dx;
			stickGraphics.y = stickOrigin.y;
			if (self.onMoveCallback) {
				self.onMoveCallback({
					x: dx / maxDistance,
					y: 0
				});
			}
		}
	});
});
var EasyMenuPage = Container.expand(function () {
	var self = Container.call(this);
	createMenuPage(self, 'Easy', 'easy', '#00ff00');
});
var MediumMenuPage = Container.expand(function () {
	var self = Container.call(this);
	createMenuPage(self, 'Medium', 'medium', '#ffff00');
});
var HardMenuPage = Container.expand(function () {
	var self = Container.call(this);
	createMenuPage(self, 'Hard', 'hard', '#ff0000');
});

/**** 
* Initialize Game
****/
// Default difficulty setting
var game = new LK.Game({
	title: '(WIP)',
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
/****function initializeGame(selectedDifficulty) {
difficulty = selectedDifficulty;
// Initialize important asset arrays
var heroBullets = [];
var enemies = [];
var bulletPacks = [];
// Create character
var hero = game.addChild(new Hero());
hero.x = game.width / 2;
hero.y = game.height - 100;
// Create score display
var scoreTxt = new Text2('Score: 0', {
size: 50,
fill: "#ffffff"
});
var highScoreTxt = new Text2('High Score: 0 (WIP)', {
size: 50,
fill: "#ffffff"
});
scoreTxt.anchor.set(1, 0);
highScoreTxt.anchor.set(1, 0);
highScoreTxt.y = scoreTxt.height + 20;
LK.gui.topRight.addChild(scoreTxt);
LK.gui.topRight.addChild(highScoreTxt);
// Create bullet count display
bulletCountTxt = new Text2('Bullets: ' + hero.bulletLimit, {
size: 100,
fill: "#ffffff"
});
bulletCountTxt.anchor.set(0, 0);
bulletCountTxt.y = scoreTxt.height + 50; // Position below the score display
LK.gui.topLeft.addChild(bulletCountTxt);
// Create instructions display
var instructionsTxt = new Text2('Tap anywhere to shoot', {
size: 50,
fill: "#ffffff"
});
instructionsTxt.anchor.set(0, 0);
LK.gui.topLeft.addChild(instructionsTxt);
// Create a red line 3/4 down the screen
var redLine = LK.getAsset('redLine', {});
redLine.width = game.width;
redLine.height = 5;
redLine.y = game.height * 0.75;
game.addChild(redLine);
// Create joystick instance
var joystick = new JoystickAsset();
joystick.x = joystick.width / 2 + 150;
joystick.y = game.height - joystick.height / 2 - 150;
joystick.setMoveCallback(function (direction) {
hero.x = Math.max(hero.width / 2, Math.min(game.width - hero.width / 2, hero.x + direction.x * 10));
});
game.addChild(joystick);
// Handle hero dragging
var dragNode = null;
game.on('down', function (obj) {
hero.shoot();
});
game.on('move', function (obj) {
var event = obj.event;
var pos = event.getLocalPosition(game);
hero.x = pos.x;
});
// Global event listener for shooting bullets
// Game tick event
LK.on('tick', function () {
// Update character
hero.update();
// Move and check bullets
for (var i = heroBullets.length - 1; i >= 0; i--) {
var bullet = heroBullets[i];
bullet.move();
// Check for bullet collision with enemies
for (var j = enemies.length - 1; j >= 0; j--) {
if (bullet.intersects(enemies[j])) {
// Update score
var newScore = LK.getScore() + 1;
LK.setScore(newScore);
scoreTxt.setText('Score: ' + newScore);
var highScore = Math.max(newScore, Number((typeof localStorage !== 'undefined' ? localStorage.getItem('highScore') : '0') || '0'));
highScoreTxt.setText('High Score: ' + highScore + ' (WIP)');
if (typeof localStorage !== 'undefined' && newScore > highScore) {
localStorage.setItem('highScore', newScore.toString());
}
// Increment character's bullet limit
hero.bulletLimit++;
bulletCountTxt.setText('Bullets: ' + hero.bulletLimit); // Update bullet count display to show the amount of bullets the hero has left
// Destroy enemy and bullet
enemies[j].destroy();
enemies.splice(j, 1);
bullet.destroy();
heroBullets.splice(i, 1);
hero.bulletsInPlay--; // Decrement bullets in play
break;
}
}
// Check for bullet collision with bullet packs
for (var k = bulletPacks.length - 1; k >= 0; k--) {
if (bullet.intersects(bulletPacks[k])) {
// Increment character's bullet limit by 5
hero.bulletLimit += 5;
bulletCountTxt.setText('Bullets: ' + hero.bulletLimit); // Update bullet count display to show the amount of bullets the hero has left
// Destroy bullet pack and bullet
bulletPacks[k].destroy();
bulletPacks.splice(k, 1);
bullet.destroy();
heroBullets.splice(i, 1);
break;
}
}
// Remove off-screen bullets and end the game if it's the last one
if (bullet.y < 0) {
bullet.destroy();
heroBullets.splice(i, 1);
if (difficulty === 'easy' && hero.bulletsInPlay === 0 && hero.bulletLimit === 0) {
LK.showGameOver(); // End the game when no bullets remain and none are in frame in easy mode
}
}
}
// Move enemies and check if they pass the red line
for (var k = enemies.length - 1; k >= 0; k--) {
enemies[k].move();
if (enemies[k].y > game.height * 0.75) {
enemies[k].destroy();
enemies[k] = null;
enemies.splice(k, 1);
}
}
var enemySpawnRate = difficulty === 'easy' ? 90 : difficulty === 'medium' ? 60 : 30; // Initialize enemy spawn rate based on difficulty
// Spawn enemies and bullet packs
if (LK.ticks % enemySpawnRate == 0) {
var enemy = new Enemy();
enemy.x = Math.random() * (game.width - enemy.width) + enemy.width / 2;
enemy.y = -enemy.height;
enemies.push(enemy);
game.addChild(enemy);
if (enemySpawnRate > 30) {
enemySpawnRate -= 0.5;
} // Decrease spawn rate over time to a minimum of 30 ticks
}
var bulletPackSpawnRate = difficulty === 'easy' ? 450 : difficulty === 'medium' ? 600 : 750;
if (LK.ticks % bulletPackSpawnRate == 0) {
// Spawn a bullet pack every 600 ticks
var bulletPack = new BulletPack();
bulletPack.x = Math.random() * (game.width - bulletPack.width) + bulletPack.width / 2;
bulletPack.y = -bulletPack.height;
bulletPacks.push(bulletPack); // Add bullet pack to bulletPacks array for collision detection
game.addChild(bulletPack);
}
});
}
* Assets
****/
// Initialize the MenuPage
function createMenuPage(menuPage, difficultyText, difficulty, buttonColor) {
	var difficultyButton = new Button(difficultyText, game.width / 2, game.height / 2 + 100, function () {
		menuPage.destroy();
		initializeGame(difficulty);
	}, buttonColor);
	menuPage.addChild(difficultyButton);
}
var difficulty = 'easy';
var heroBullets = [];
var bulletPacks = []; // Declare bulletPacks array in the global scope
var bulletCountTxt; // Declare bulletCountTxt in the global scope
function initializeGame() {
	// Initialize important asset arrays
	var enemies = [];
	// Create character
	var hero = game.addChild(new Hero());
	hero.x = game.width / 2;
	hero.y = game.height - 100;
	// Create score display
	var scoreTxt = new Text2('Score: 0', {
		size: 50,
		fill: "#ffffff"
	});
	var highScoreTxt = new Text2('High Score: 0 (WIP)', {
		size: 50,
		fill: "#ffffff"
	});
	scoreTxt.anchor.set(1, 0);
	highScoreTxt.anchor.set(1, 0);
	highScoreTxt.y = scoreTxt.height + 20;
	LK.gui.topRight.addChild(scoreTxt);
	LK.gui.topRight.addChild(highScoreTxt);
	// Create bullet count display
	bulletCountTxt = new Text2('Bullets: ' + (difficulty === 'medium' ? 3 : 5), {
		size: 100,
		fill: "#ffffff"
	});
	bulletCountTxt.anchor.set(0, 0);
	bulletCountTxt.y = scoreTxt.height + 50; // Position below the score display
	LK.gui.topLeft.addChild(bulletCountTxt);
	// Create instructions display
	var instructionsTxt = new Text2('Tap anywhere to shoot', {
		size: 50,
		fill: "#ffffff"
	});
	instructionsTxt.anchor.set(0, 0);
	LK.gui.topLeft.addChild(instructionsTxt);
	// Create a red line 3/4 down the screen
	var redLine = LK.getAsset('redLine', {});
	redLine.width = game.width;
	redLine.height = 5;
	redLine.y = game.height * 0.75;
	game.addChild(redLine);
	// Create joystick instance
	var joystick = new JoystickAsset();
	joystick.x = joystick.width / 2 + 150;
	joystick.y = game.height - joystick.height / 2 - 150;
	joystick.setMoveCallback(function (direction) {
		hero.x = Math.max(hero.width / 2, Math.min(game.width - hero.width / 2, hero.x + direction.x * 10));
	});
	game.addChild(joystick);
	// Handle hero dragging
	var dragNode = null;
	game.on('down', function (obj) {
		hero.shoot();
	});
	game.on('move', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(game);
		hero.x = pos.x;
	});
	// Global event listener for shooting bullets
	// Game tick event
	LK.on('tick', function () {
		// Update character
		hero.update();
		// Move and check bullets
		for (var i = heroBullets.length - 1; i >= 0; i--) {
			var bullet = heroBullets[i];
			bullet.move();
			// Check for bullet collision with enemies
			for (var j = enemies.length - 1; j >= 0; j--) {
				if (bullet.intersects(enemies[j])) {
					// Update score
					var newScore = LK.getScore() + 1;
					LK.setScore(newScore);
					scoreTxt.setText('Score: ' + newScore);
					var highScore = Math.max(newScore, Number((typeof localStorage !== 'undefined' ? localStorage.getItem('highScore') : '0') || '0'));
					highScoreTxt.setText('High Score: ' + highScore + ' (WIP)');
					if (typeof localStorage !== 'undefined' && newScore > highScore) {
						localStorage.setItem('highScore', newScore.toString());
					}
					// Increment character's bullet limit
					hero.bulletLimit++;
					bulletCountTxt.setText('Bullets: ' + hero.bulletLimit); // Update bullet count display
					// Destroy enemy and bullet
					enemies[j].destroy();
					enemies.splice(j, 1);
					bullet.destroy();
					heroBullets.splice(i, 1);
					break;
				}
			}
			// Check for bullet collision with bullet packs
			for (var k = bulletPacks.length - 1; k >= 0; k--) {
				if (bullet.intersects(bulletPacks[k])) {
					// Increment character's bullet limit by 5
					hero.bulletLimit += 5;
					bulletCountTxt.setText('Bullets: ' + hero.bulletLimit); // Update bullet count display
					// Destroy bullet pack and bullet
					bulletPacks[k].destroy();
					bulletPacks.splice(k, 1);
					bullet.destroy();
					heroBullets.splice(i, 1);
					break;
				}
			}
			// Remove off-screen bullets and end the game if it's the last one
			if (bullet.y < 0) {
				bullet.destroy();
				heroBullets.splice(i, 1);
				if (heroBullets.length === 0 && hero.bulletLimit === 0) {
					LK.showGameOver(); // End the game when the last bullet is out of frame
				}
			}
		}
		// Move enemies and check if they pass the red line
		for (var k = enemies.length - 1; k >= 0; k--) {
			enemies[k].move();
			if (enemies[k].y > game.height * 0.75) {
				enemies[k].destroy();
				enemies[k] = null;
				enemies.splice(k, 1);
			}
		}
		var enemySpawnRate = difficulty === 'easy' ? 120 : difficulty === 'medium' ? 60 : 30; // Initialize enemy spawn rate based on difficulty
		// Spawn enemies and bullet packs
		if (LK.ticks % enemySpawnRate == 0) {
			var enemy = new Enemy();
			enemy.x = Math.random() * (game.width - enemy.width) + enemy.width / 2;
			enemy.y = -enemy.height;
			enemies.push(enemy);
			game.addChild(enemy);
			if (enemySpawnRate > 30) {
				enemySpawnRate -= 0.5;
			} // Decrease spawn rate over time to a minimum of 30 ticks
		}
		if (LK.ticks % 600 == 0) {
			// Spawn a bullet pack every 600 ticks
			var bulletPack = new BulletPack();
			bulletPack.x = Math.random() * (game.width - bulletPack.width) + bulletPack.width / 2;
			bulletPack.y - bulletPack.height;
			bulletPacks.push(bulletPack); // Add bullet pack to bulletPacks array for collision detection
			game.addChild(bulletPack);
		}
	});
}
var easyMenuPage = game.addChild(new EasyMenuPage());
easyMenuPage.y -= 400;
var mediumMenuPage = game.addChild(new MediumMenuPage());
var hardMenuPage = game.addChild(new HardMenuPage());
hardMenuPage.y += 400;