/**** 
* Classes
****/ 
// Define a class for big flying enemies
var BigEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.speed = Math.random() * 6 + 6;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	// Randomize enemy size
	var size = Math.random() * 0.5 + 0.5;
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: size,
		scaleY: size
	});
	// Randomize enemy speed
	self.speed = Math.random() * 3 + 3;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.jumpHeight = 30;
	self.isJumping = false;
	self.velocityY = 0;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.6; // Decreased gravity effect by 30%
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
				self.canDoubleJump = false; // Reset double jump
				self.canDoubleDash = true; // Reset double dash when player lands
			}
		}
	};
	self.dashBack = function () {
		if (!self.isDashing || self.canDoubleDash) {
			if (self.isDashing && self.canDoubleDash) {
				self.canDoubleDash = false;
				self.x -= 350; // Second dash back is shorter
			}
			if (self.canDoubleDash) {
				self.canDoubleDash = false;
			} else {
				self.isDashing = true;
			}
			self.dashTimer = 0;
			self.oldX = self.x;
			self.x -= 300; // Increase dash distance
		}
	};
	self.jump = function () {
		if (!self.isJumping || self.canDoubleJump) {
			self.isJumping = true;
			self.velocityY = self.canDoubleJump ? -self.jumpHeight * 0.5 : -self.jumpHeight * 1.2;
			if (self.canDoubleJump) {
				self.canDoubleJump = false;
			} else {
				self.canDoubleJump = true;
			}
		}
	};
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7; // Decreased gravity effect by 30%
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
			}
		}
		if (self.isDashing) {
			self.dashTimer++;
			if (self.dashTimer > 80) {
				// Increase dash cooldown
				self.isDashing = false;
				self.x = self.oldX;
			}
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Draw white rectangles on screen to indicate where to touch
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
var leftTouchArea = game.addChild(LK.getAsset('leftTouchArea', {
	anchorX: 0,
	anchorY: 0
}));
var rightTouchArea = game.addChild(LK.getAsset('rightTouchArea', {
	anchorX: 0,
	anchorY: 0
}));
leftTouchArea.alpha = 0.7;
leftTouchArea.y = 1474;
leftTouchArea.x = 137;
rightTouchArea.alpha = 0.7;
rightTouchArea.x = 1161;
rightTouchArea.y = 1474;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Create a new Text2 object to display the score
var scoreText = new Text2('0', {
	size: 100,
	fill: 0x000000
});
// Add a new Text2 object to display the cooldown of Dash
var cooldownText = new Text2('0', {
	size: 175,
	fill: 0x0000000
});
// Add the cooldown text to the game GUI at the middle of dash button
game.addChild(cooldownText);
cooldownText.x = leftTouchArea.x + leftTouchArea.x / 2;
cooldownText.y = leftTouchArea.y + leftTouchArea.y / 2;
// Add the score text to the game GUI at the top right of the screen
game.addChild(scoreText);
scoreText.x = 2048 / 2;
scoreText.y = 100;
// Add control instructions to the game screen
var controlText = new Text2('Tap right to jump, tap left to dash back', {
	anchorX: 25,
	anchorY: 0.5,
	size: 100,
	fill: 0x000000
});
game.addChild(controlText);
controlText.x = 2048 / 9;
controlText.y = 2620;
// Handle game updates
game.update = function () {
	player.update();
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy;
		if (Math.random() < 0.2) {
			// 20% chance to spawn a big enemy
			enemy = new BigEnemy();
			enemy.y = 2732 / 4;
		} else {
			enemy = new Enemy();
			enemy.y = 2732 / 2;
		}
		enemy.x = 2096;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 100) + 50;
		enemySpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + (enemies[j] instanceof BigEnemy ? 2 : 1)); // Big enemies give 2 points
			scoreText.setText(LK.getScore());
		}
	}
};
// Handle player jump
game.down = function (x, y, obj) {
	if (x < 1024) {
		player.dashBack();
	} else {
		player.jump();
	}
};