/**** 
* Classes
****/ 
var DashEffect = Container.expand(function () {
	var self = Container.call(this);
	var effectGraphics = self.attachAsset('dashEffect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifetime = 10;
	self.alpha = 0.8;
	self.update = function () {
		self.lifetime--;
		self.alpha = self.lifetime / 10;
		self.x -= 15 * 0.7;
		if (self.lifetime <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyShape', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.verticalSpeed = Math.random() * 4 - 2;
	self.verticalDirection = 1;
	self.verticalDistance = 0;
	self.maxVerticalDistance = 100 + Math.random() * 200;
	self.update = function (gameSpeed) {
		self.x -= self.speed * gameSpeed * 0.7;
		// Vertical movement
		self.verticalDistance += Math.abs(self.verticalSpeed);
		if (self.verticalDistance > self.maxVerticalDistance) {
			self.verticalDirection *= -1;
			self.verticalDistance = 0;
		}
		self.y += self.verticalSpeed * self.verticalDirection;
		// Keep within bounds
		if (self.y < self.height / 2) {
			self.y = self.height / 2;
			self.verticalDirection *= -1;
		} else if (self.y > 2732 - 400) {
			self.y = 2732 - 400;
			self.verticalDirection *= -1;
		}
		return self.x < -100;
	};
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function (gameSpeed) {
		self.x -= self.speed * gameSpeed * 0.7;
		return self.x < -100;
	};
});
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifetime = 30;
	self.alpha = 1;
	self.scale.set(1);
	self.update = function () {
		self.lifetime--;
		self.alpha = self.lifetime / 30;
		self.scale.set(1 - self.lifetime / 30 * 0.5);
		if (self.lifetime <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
});
var Platform = Container.expand(function (width, layer) {
	var self = Container.call(this);
	var platformWidth = width || 200;
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: platformWidth
	});
	// Color platforms based on layer
	var layerColors = [0x00ffff, 0x00ccff, 0x0099ff, 0x0066ff, 0x0033ff];
	if (layer !== undefined && layer < layerColors.length) {
		platformGraphics.tint = layerColors[layer];
	}
	self.speed = 12;
	self.layer = layer || 0;
	self.update = function (gameSpeed) {
		self.x -= self.speed * gameSpeed * 0.7;
		return self.x < -platformWidth / 2;
	};
	self.getWidth = function () {
		return platformWidth;
	};
	self.getHeight = function () {
		return platformGraphics.height;
	};
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 60,
		height: 60
	});
	playerGraphics.tint = 0x00ffaa;
	self.velocity = {
		x: 0,
		y: 0
	};
	self.baseX = 300;
	self.speed = 20;
	self.jumpForce = -25;
	self.gravity = 1;
	self.isJumping = false;
	self.isDashing = false;
	self.dashCooldown = 0;
	self.dashDuration = 0;
	self.dashDistance = 0;
	self.dashMaxDistance = 200;
	self.hasShield = false;
	self.shieldObj = null;
	self.particles = [];
	self.onPlatform = false;
	self.currentPlatform = null;
	self.jump = function () {
		if (!self.isJumping || self.onPlatform) {
			self.velocity.y = self.jumpForce;
			self.isJumping = true;
			self.onPlatform = false;
			self.currentPlatform = null;
			LK.getSound('jump').play(); // Play jump sound
		}
	};
	self.dash = function () {
		if (self.dashCooldown <= 0) {
			LK.getSound('dash-fast').play();
			self.isDashing = true;
			self.dashDuration = 15;
			self.dashCooldown = 60;
			self.dashDistance = 0;
			// Create dash effect
			var effect = new DashEffect();
			effect.x = self.x - 50;
			effect.y = self.y;
			self.parent.addChild(effect);
		}
	};
	self.activateShield = function () {
		self.hasShield = true;
		if (!self.shieldObj) {
			self.shieldObj = self.addChild(new Shield());
		}
	};
	self.deactivateShield = function () {
		self.hasShield = false;
		if (self.shieldObj) {
			self.shieldObj.destroy();
			self.shieldObj = null;
		}
	};
	self.update = function () {
		// Apply gravity if jumping
		if (self.isJumping && !self.onPlatform) {
			self.velocity.y += self.gravity;
		}
		// Update position
		self.y += self.velocity.y;
		// Handle dash
		if (self.isDashing) {
			if (self.dashDistance < self.dashMaxDistance) {
				self.x += 15 * 0.7;
				self.dashDistance += 15 * 0.7;
			} else {
				self.x = Math.max(self.x - 10, self.baseX);
				if (self.x <= self.baseX) {
					self.isDashing = false;
				}
			}
			self.dashDuration--;
			if (self.dashDuration <= 0) {
				self.isDashing = false;
			}
		} else {
			// Return to base position if not dashing
			if (self.x > self.baseX) {
				self.x = Math.max(self.x - 5, self.baseX);
			}
		}
		// Update dash cooldown
		if (self.dashCooldown > 0) {
			self.dashCooldown--;
		}
		// Ceiling collision
		if (self.y < 60) {
			self.y = 60;
			self.velocity.y = 0;
		}
		// Platform collision
		self.onPlatform = false;
		for (var i = 0; i < platforms.length; i++) {
			var platform = platforms[i];
			// Check if player is above platform and falling
			if (self.velocity.y >= 0 && self.y + 30 >= platform.y - platform.getHeight() / 2 && self.y - 30 <= platform.y - platform.getHeight() / 2 && self.x + 30 >= platform.x - platform.getWidth() / 2 && self.x - 30 <= platform.x + platform.getWidth() / 2) {
				self.y = platform.y - platform.getHeight() / 2 - 30;
				self.velocity.y = 0;
				self.isJumping = false;
				self.onPlatform = true;
				self.currentPlatform = platform;
				break;
			}
		}
		// If was on platform but platform moved away
		if (self.currentPlatform && !self.onPlatform) {
			self.isJumping = true;
			self.currentPlatform = null;
		}
		// Create trail particles
		if (LK.ticks % 3 === 0) {
			var particle = new Particle();
			particle.x = self.x - 30;
			particle.y = self.y;
			particle.tint = self.isDashing ? 0xffffff : 0x00ffaa;
			self.parent.addChild(particle);
			self.particles.push(particle);
		}
		// Update particles
		for (var j = self.particles.length - 1; j >= 0; j--) {
			if (self.particles[j].update()) {
				self.particles.splice(j, 1);
			}
		}
	};
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupGraphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = Math.random() < 0.5 ? 'shield' : 'score';
	powerupGraphics.tint = self.type === 'shield' ? 0x3399ff : 0xffff00;
	self.speed = 8;
	self.rotation = 0;
	self.update = function (gameSpeed) {
		self.x -= self.speed * gameSpeed * 0.7;
		self.rotation += 0.05;
		return self.x < -100;
	};
});
var ScorePopup = Container.expand(function (value, color) {
	var self = Container.call(this);
	var scoreTxt = new Text2("+" + value, {
		size: 40,
		fill: color || 0xffff00
	});
	scoreTxt.anchor.set(0.5);
	self.addChild(scoreTxt);
	self.lifetime = 30;
	self.update = function () {
		self.lifetime--;
		self.y -= 2;
		self.alpha = self.lifetime / 30;
		if (self.lifetime <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
});
var Shield = Container.expand(function () {
	var self = Container.call(this);
	var shieldGraphics = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	shieldGraphics.alpha = 0.5;
	self.update = function () {
		self.rotation += 0.02;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000033
});

/**** 
* Game Code
****/ 
// Play background music in a loop
LK.playMusic('background', {
	loop: true
});
// Update player
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
var PLATFORM_SPEED = 8;
var PLAYER_WIDTH = 60;
var MIN_GAP = PLAYER_WIDTH * 2;
var LAYERS = 3;
var LAYER_HEIGHT = 250;
var FLOOR_HEIGHT = GAME_HEIGHT - 350;
// Background
var background = game.attachAsset('background', {});
game.addChildAt(background, 0);
// Death zone
var deathZone = game.attachAsset('deathZone', {
	anchorX: 0.5,
	anchorY: 0
});
deathZone.x = GAME_WIDTH / 2;
deathZone.y = GAME_HEIGHT - 100;
deathZone.alpha = 0.5;
game.addChildAt(deathZone, 1);
// Game variables
var player = game.addChild(new Player());
player.x = 300;
player.y = FLOOR_HEIGHT - 400;
var obstacles = [];
var powerups = [];
var enemies = [];
var platforms = [];
var rightmostPlatforms = []; // Tracks the rightmost platform in each layer
var effects = [];
var scorePopups = [];
var score = 0;
var distance = 0;
var gameSpeed = 1;
var isGameOver = false;
// Initialize rightmostPlatforms array
for (var i = 0; i < LAYERS; i++) {
	rightmostPlatforms[i] = null;
}
// Create initial platforms
for (var layer = 0; layer < LAYERS; layer++) {
	var layerY = FLOOR_HEIGHT - layer * LAYER_HEIGHT;
	// Create wider starting platforms for each layer
	var initialWidth = layer === 0 ? 800 : 600 - layer * 50;
	var startingPlatform = new Platform(initialWidth, layer);
	startingPlatform.x = initialWidth / 2 + 100;
	startingPlatform.y = layerY;
	platforms.push(startingPlatform);
	game.addChild(startingPlatform);
	rightmostPlatforms[layer] = startingPlatform;
	// Add a series of additional starting platforms for each layer
	for (var p = 0; p < 3; p++) {
		var additionalWidth = initialWidth * 0.7;
		var additionalPlatform = new Platform(additionalWidth, layer);
		var gap = layer === 0 ? MIN_GAP + 20 : MIN_GAP + layer * 40;
		additionalPlatform.x = rightmostPlatforms[layer].x + rightmostPlatforms[layer].getWidth() / 2 + gap + additionalWidth / 2;
		additionalPlatform.y = layerY;
		platforms.push(additionalPlatform);
		game.addChild(additionalPlatform);
		rightmostPlatforms[layer] = additionalPlatform;
	}
}
// Place player on the first platform
player.y = rightmostPlatforms[0].y - rightmostPlatforms[0].getHeight() / 2 - player.height / 2;
// UI elements
var scoreTxt = new Text2('SCORE: 0', {
	size: 50,
	fill: 0xffffff
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 20;
scoreTxt.y = 20;
LK.gui.top.addChild(scoreTxt);
var distanceTxt = new Text2('DISTANCE: 0m', {
	size: 50,
	fill: 0xffffff
});
distanceTxt.anchor.set(0, 0);
distanceTxt.x = 20;
distanceTxt.y = 80;
LK.gui.top.addChild(distanceTxt);
var dashMeter = new Container();
dashMeter.x = 20;
dashMeter.y = 140;
LK.gui.top.addChild(dashMeter);
var dashBg = new Container();
var dashBgGraphics = dashBg.attachAsset('dashEffect', {
	anchorX: 0,
	anchorY: 0
});
dashBgGraphics.width = 200;
dashBgGraphics.height = 20;
dashBgGraphics.tint = 0x333333;
dashMeter.addChild(dashBg);
var dashFill = new Container();
var dashFillGraphics = dashFill.attachAsset('dashEffect', {
	anchorX: 0,
	anchorY: 0
});
dashFillGraphics.width = 200;
dashFillGraphics.height = 20;
dashFillGraphics.tint = 0x00ffaa;
dashMeter.addChild(dashFill);
var dashTxt = new Text2('DASH', {
	size: 30,
	fill: 0xffffff
});
dashTxt.anchor.set(0, 0.5);
dashTxt.x = 210;
dashTxt.y = 10;
dashMeter.addChild(dashTxt);
// Control hints
var controlsContainer = new Container();
controlsContainer.y = GAME_HEIGHT - 150;
game.addChild(controlsContainer);
var leftControlBg = new Container();
var leftControlGraphics = leftControlBg.attachAsset('platform', {
	anchorX: 0,
	anchorY: 0,
	width: GAME_WIDTH / 2,
	height: 100
});
leftControlGraphics.alpha = 0.2;
controlsContainer.addChild(leftControlBg);
var rightControlBg = new Container();
var rightControlGraphics = rightControlBg.attachAsset('platform', {
	anchorX: 0,
	anchorY: 0,
	width: GAME_WIDTH / 2,
	height: 100
});
rightControlGraphics.alpha = 0.2;
rightControlBg.x = GAME_WIDTH / 2;
controlsContainer.addChild(rightControlBg);
var jumpTxt = new Text2('JUMP', {
	size: 40,
	fill: 0xffffff
});
jumpTxt.anchor.set(0.5);
jumpTxt.x = GAME_WIDTH / 4;
jumpTxt.y = 50;
controlsContainer.addChild(jumpTxt);
var dashControlTxt = new Text2('DASH', {
	size: 40,
	fill: 0xffffff
});
dashControlTxt.anchor.set(0.5);
dashControlTxt.x = GAME_WIDTH / 4 * 3;
dashControlTxt.y = 50;
controlsContainer.addChild(dashControlTxt);
// Input handling
game.on('down', function (x, y, obj) {
	if (isGameOver) {
		return;
	}
	var event = obj;
	var pos = game.toLocal(event.global);
	if (pos.x < GAME_WIDTH / 2) {
		player.jump();
	} else {
		player.dash();
	}
});
// Game loop
LK.on('tick', function () {
	if (isGameOver) {
		return;
	}
	// Update player
	player.update();
	// Update dash meter
	dashFill.scale.x = (60 - player.dashCooldown) / 60;
	// Update game speed
	gameSpeed = (1.5 + distance / 5000) * 0.7;
	// Update distance
	distance += gameSpeed;
	distanceTxt.setText('DISTANCE: ' + Math.floor(distance) + 'm');
	// Check if player fell to death zone
	if (player.y > GAME_HEIGHT - 160) {
		gameOver();
		return;
	}
	// Platform generation logic
	for (var layer = 0; layer < LAYERS; layer++) {
		// Calculate layer-specific values
		var layerY = FLOOR_HEIGHT - layer * LAYER_HEIGHT;
		var platformWidth = 400 - layer * 70 + Math.random() * 100; // Wider platforms at bottom
		var gapMultiplier = 1 + layer * 0.4; // Larger gaps at higher layers
		var minGap = MIN_GAP * gapMultiplier;
		var maxGap = minGap * 1.5;
		var actualGap = minGap + Math.random() * (maxGap - minGap);
		// Check if we need to generate a new platform
		if (!rightmostPlatforms[layer] || rightmostPlatforms[layer].x < GAME_WIDTH + 200) {
			// Determine new platform position
			var newX;
			if (rightmostPlatforms[layer]) {
				newX = rightmostPlatforms[layer].x + rightmostPlatforms[layer].getWidth() / 2 + actualGap + platformWidth / 2;
			} else {
				newX = GAME_WIDTH + platformWidth / 2;
			}
			// Create new platform
			var newPlatform = new Platform(platformWidth, layer);
			newPlatform.x = newX;
			newPlatform.y = layerY;
			platforms.push(newPlatform);
			game.addChild(newPlatform);
			rightmostPlatforms[layer] = newPlatform;
		}
	}
	// Spawn obstacles (less frequently)
	if (LK.ticks % Math.floor(90 / gameSpeed) === 0 && Math.random() < 0.3) {
		var obstacle = new Obstacle();
		obstacle.x = GAME_WIDTH + 100;
		// Place obstacles on platforms or in air
		if (platforms.length > 0 && Math.random() < 0.7) {
			// Find platforms that are currently on screen or just off to the right
			var viablePlatforms = platforms.filter(function (p) {
				return p.x > player.x && p.x < GAME_WIDTH + 200;
			});
			if (viablePlatforms.length > 0) {
				var randomPlatform = viablePlatforms[Math.floor(Math.random() * viablePlatforms.length)];
				obstacle.x = randomPlatform.x;
				obstacle.y = randomPlatform.y - randomPlatform.getHeight() / 2 - obstacle.height / 2;
			} else {
				obstacle.y = player.y + (Math.random() * 200 - 100);
			}
		} else {
			obstacle.y = player.y + (Math.random() * 200 - 100);
		}
		obstacles.push(obstacle);
		game.addChild(obstacle);
	}
	// Spawn enemies (more frequently)
	if (LK.ticks % Math.floor(60 / gameSpeed) === 0 && Math.random() < 0.6) {
		var enemy = new Enemy();
		enemy.x = GAME_WIDTH + 100;
		// Spawn enemies close to player height
		enemy.y = player.y + (Math.random() * 300 - 150);
		// Keep within playable bounds
		enemy.y = Math.max(100, Math.min(GAME_HEIGHT - 400, enemy.y));
		enemies.push(enemy);
		game.addChild(enemy);
	}
	// Spawn powerups (occasionally)
	if (LK.ticks % Math.floor(180 / gameSpeed) === 0 && Math.random() < 0.4) {
		var powerup = new PowerUp();
		powerup.x = GAME_WIDTH + 100;
		// Place powerups on platforms or in air
		if (platforms.length > 0 && Math.random() < 0.7) {
			// Find platforms that are currently on screen or just off to the right
			var viablePlatforms = platforms.filter(function (p) {
				return p.x > GAME_WIDTH / 2 && p.x < GAME_WIDTH + 200;
			});
			if (viablePlatforms.length > 0) {
				var randomPlatform = viablePlatforms[Math.floor(Math.random() * viablePlatforms.length)];
				powerup.x = randomPlatform.x;
				powerup.y = randomPlatform.y - randomPlatform.getHeight() / 2 - powerup.height / 2;
			} else {
				powerup.y = FLOOR_HEIGHT - 200 - Math.random() * 300;
			}
		} else {
			powerup.y = FLOOR_HEIGHT - 200 - Math.random() * 300;
		}
		powerups.push(powerup);
		game.addChild(powerup);
	}
	// Update platforms
	for (var p = platforms.length - 1; p >= 0; p--) {
		if (platforms[p].update(gameSpeed)) {
			// If this was a rightmost platform, clear that reference
			for (var l = 0; l < LAYERS; l++) {
				if (rightmostPlatforms[l] === platforms[p]) {
					rightmostPlatforms[l] = null;
				}
			}
			platforms[p].destroy();
			platforms.splice(p, 1);
		}
	}
	// Update obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		if (obstacles[i].update(gameSpeed)) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
			continue;
		}
		// Collision with player
		if (obstacles[i].intersects(player)) {
			if (player.isDashing) {
				// Destroy obstacle when dashing
				var points = 50;
				score += points;
				var popup = new ScorePopup(points, 0x00ffaa);
				popup.x = obstacles[i].x;
				popup.y = obstacles[i].y;
				scorePopups.push(popup);
				game.addChild(popup);
				obstacles[i].destroy();
				obstacles.splice(i, 1);
			} else if (player.hasShield) {
				// Shield protects from one hit
				player.deactivateShield();
				obstacles[i].destroy();
				obstacles.splice(i, 1);
			} else {
				// Game over
				gameOver();
			}
		}
	}
	// Update powerups
	for (var j = powerups.length - 1; j >= 0; j--) {
		if (powerups[j].update(gameSpeed)) {
			powerups[j].destroy();
			powerups.splice(j, 1);
			continue;
		}
		// Collision with player
		if (powerups[j].intersects(player)) {
			if (powerups[j].type === 'shield') {
				player.activateShield();
				var shieldPopup = new ScorePopup("SHIELD", 0x3399ff);
				shieldPopup.x = powerups[j].x;
				shieldPopup.y = powerups[j].y;
				scorePopups.push(shieldPopup);
				game.addChild(shieldPopup);
				LK.getSound('pick-shield').play(); // Play pick-shield sound
			} else {
				var bonusPoints = 100;
				score += bonusPoints;
				var scoreBonus = new ScorePopup(bonusPoints);
				scoreBonus.x = powerups[j].x;
				scoreBonus.y = powerups[j].y;
				scorePopups.push(scoreBonus);
				game.addChild(scoreBonus);
				LK.getSound('pick-powerup').play(); // Play pick-powerup sound
			}
			powerups[j].destroy();
			powerups.splice(j, 1);
		}
	}
	// Update enemies
	for (var k = enemies.length - 1; k >= 0; k--) {
		if (enemies[k].update(gameSpeed)) {
			enemies[k].destroy();
			enemies.splice(k, 1);
			continue;
		}
		// Collision with player
		if (enemies[k].intersects(player)) {
			if (player.isDashing) {
				// Destroy enemy when dashing
				var enemyPoints = 200;
				score += enemyPoints;
				var enemyPopup = new ScorePopup(enemyPoints, 0xff00ff);
				enemyPopup.x = enemies[k].x;
				enemyPopup.y = enemies[k].y;
				scorePopups.push(enemyPopup);
				game.addChild(enemyPopup);
				enemies[k].destroy();
				enemies.splice(k, 1);
			} else if (player.hasShield) {
				// Shield protects from one hit
				player.deactivateShield();
				enemies[k].destroy();
				enemies.splice(k, 1);
			} else {
				// Game over
				gameOver();
			}
		}
	}
	// Update shield
	if (player.shieldObj) {
		player.shieldObj.update();
	}
	// Update score popups
	for (var m = scorePopups.length - 1; m >= 0; m--) {
		if (scorePopups[m].update()) {
			scorePopups.splice(m, 1);
		}
	}
	// Update score
	score += Math.floor(gameSpeed);
	scoreTxt.setText('SCORE: ' + score);
	LK.setScore(score);
});
function gameOver() {
	isGameOver = true;
	LK.showGameOver();
}