/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
		coinGraphics.rotation += 0.1;
	};
	return self;
});
var CrewMember = Container.expand(function () {
	var self = Container.call(this);
	var crewGraphics = self.attachAsset('crew', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
	};
	return self;
});
var Pirate = Container.expand(function () {
	var self = Container.call(this);
	var pirateGraphics = self.attachAsset('pirate', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
		pirateGraphics.rotation += 0.05;
	};
	return self;
});
var Ship = Container.expand(function () {
	var self = Container.call(this);
	var shipGraphics = self.attachAsset('ship', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.baseSpeed = 3;
	self.currentSpeed = self.baseSpeed;
	self.isShielded = false;
	self.shieldTime = 0;
	self.stickyTime = 0;
	self.isSizeModified = false;
	self.sizeTime = 0;
	self.originalScale = 1;
	var shieldGraphics = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.5
	});
	shieldGraphics.visible = false;
	self.activateShield = function () {
		self.isShielded = true;
		self.shieldTime = 300;
		shieldGraphics.visible = true;
	};
	self.activateStickyControls = function () {
		self.stickyTime = 300;
	};
	self.setSizeModifier = function (scale, duration) {
		self.isSizeModified = true;
		self.sizeTime = duration;
		tween(shipGraphics, {
			scaleX: scale,
			scaleY: scale
		}, {
			duration: 200
		});
		tween(shieldGraphics, {
			scaleX: scale,
			scaleY: scale
		}, {
			duration: 200
		});
	};
	self.update = function () {
		if (gamePaused) {
			return;
		} // Freeze movement when game is paused
		if (self.shieldTime > 0) {
			self.shieldTime--;
			if (self.shieldTime <= 0) {
				self.isShielded = false;
				shieldGraphics.visible = false;
			}
		}
		if (self.stickyTime > 0) {
			self.stickyTime--;
		}
		if (self.sizeTime > 0) {
			self.sizeTime--;
			if (self.sizeTime <= 0) {
				self.isSizeModified = false;
				tween(shipGraphics, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200
				});
				tween(shieldGraphics, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200
				});
			}
		}
		// Ship stays in place - world moves around it
	};
	return self;
});
var Stone = Container.expand(function () {
	var self = Container.call(this);
	var stoneGraphics = self.attachAsset('stone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 7;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
		stoneGraphics.rotation += 0.08;
	};
	return self;
});
var Wave = Container.expand(function () {
	var self = Container.call(this);
	var waveGraphics = self.attachAsset('wave', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.update = function () {
		if (gamePaused) return; // Freeze movement during quiz
		self.y += self.speed;
		waveGraphics.scaleX = 1 + Math.sin(LK.ticks * 0.1) * 0.2;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var ship;
var obstacles = [];
var crewMembers = [];
var coins = [];
var hearts = [];
var level = 1;
var health = 3;
var crewCount = 0;
var coinCount = 0;
var distance = 0;
var gamePaused = false;
var distanceText = new Text2('Distance: 0m', {
	size: 55,
	fill: 0xFF69B4
});
distanceText.anchor.set(0, 0);
distanceText.x = 120;
distanceText.y = 100;
LK.gui.top.addChild(distanceText);
var gameSpeed = 2;
var quizActive = false;
var quizTimer = 0;
var nextQuizTime = 480; // Start first quiz after 8 seconds
var doubleCoinsTime = 0;
var extraObstaclesTime = 0;
var clearPathTime = 0;
var scoreFreezeTime = 0;
// Quiz system
var quizQuestions = [{
	question: "What does FOB stand for in shipping terms?",
	answers: ["Free On Board", "Freight on Boat", "Foreign Object Bureau", "Full Ocean Bill"],
	correct: 0
}, {
	question: "Which maritime organization sets international shipping standards?",
	answers: ["WHO", "IMO", "WTO", "ILO"],
	correct: 1
}, {
	question: "What is the front of a ship called?",
	answers: ["Stern", "Port", "Bow", "Starboard"],
	correct: 2
}, {
	question: "EXW means the seller delivers when goods are:",
	answers: ["At seller's premises", "On the ship", "At destination", "In transit"],
	correct: 0
}, {
	question: "What does CIF include in shipping terms?",
	answers: ["Cost only", "Insurance only", "Freight only", "Cost, Insurance, Freight"],
	correct: 3
}, {
	question: "What is the right side of a ship called?",
	answers: ["Port", "Starboard", "Bow", "Stern"],
	correct: 1
}, {
	question: "DDP means the seller is responsible for:",
	answers: ["Delivery at port", "Delivery duty paid", "Dock departure point", "Direct delivery purchase"],
	correct: 1
}, {
	question: "What does TEU stand for in container shipping?",
	answers: ["Total Export Unit", "Twenty-foot Equivalent Unit", "Terminal Exchange Unit", "Transport Equipment Unit"],
	correct: 1
}, {
	question: "Which term means 'Carrier alongside ship'?",
	answers: ["CAS", "FAS", "DAS", "PAS"],
	correct: 1
}, {
	question: "What is the kitchen area on a ship called?",
	answers: ["Mess", "Galley", "Cabin", "Hold"],
	correct: 1
}, {
	question: "CFR includes which costs?",
	answers: ["Cost and freight", "Cost, freight, risk", "Customs, freight, rate", "Container freight rate"],
	correct: 0
}, {
	question: "What does DAP stand for?",
	answers: ["Delivery at place", "Dock arrival point", "Delivered at place", "Direct arrival point"],
	correct: 2
}, {
	question: "The left side of a ship is called:",
	answers: ["Starboard", "Port", "Bow", "Stern"],
	correct: 1
}, {
	question: "What is a ship's maximum cargo capacity called?",
	answers: ["Deadweight", "Gross tonnage", "Net tonnage", "Displacement"],
	correct: 0
}, {
	question: "FCA means:",
	answers: ["Free carrier", "Freight cost allowance", "Full container access", "Forward cargo arrangement"],
	correct: 0
}];
var currentQuiz = null;
var quizContainer = null;
var quizTimeRemaining = 600; // 10 seconds
var effectDisplay = null;
var lastAppliedEffect = '';
var effectExpirationDisplay = null;
// UI Elements - Better separated and positioned
var scoreText = new Text2('Score: 0', {
	size: 70,
	fill: 0x00FF00
});
scoreText.anchor.set(0, 0);
scoreText.x = 120;
scoreText.y = 20;
LK.gui.top.addChild(scoreText);
var levelText = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFD700
});
levelText.anchor.set(0, 0);
levelText.x = 120;
levelText.y = 20;
LK.gui.topLeft.addChild(levelText);
var crewText = new Text2('Crew: 0', {
	size: 50,
	fill: 0x00BFFF
});
crewText.anchor.set(0, 1);
crewText.x = 20;
crewText.y = -20;
LK.gui.bottomLeft.addChild(crewText);
var coinText = new Text2('Coins: 0', {
	size: 50,
	fill: 0xffd700
});
coinText.anchor.set(1, 1);
coinText.x = -20;
coinText.y = -20;
LK.gui.bottomRight.addChild(coinText);
// Initialize game elements
ship = game.addChild(new Ship());
ship.x = 1024;
ship.y = 2400;
// Create hearts display
for (var i = 0; i < 3; i++) {
	var heart = LK.getAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 150 + i * 60,
		y: 100
	});
	hearts.push(heart);
	LK.gui.topLeft.addChild(heart);
}
function updateScore() {
	if (scoreFreezeTime <= 0) {
		var score = Math.floor(distance) + crewCount * 100;
		LK.setScore(score);
		scoreText.setText('Score: ' + score);
	}
}
function updateLevel() {
	var newLevel = Math.floor(distance / 3000) + 1; // Level up faster for increased difficulty
	if (newLevel > level && newLevel <= 4) {
		level = newLevel;
		levelText.setText('Level: ' + level);
		gameSpeed += 0.5; // Increased speed boost per level
		// Change background color based on level
		if (level === 2) {
			game.setBackgroundColor(0xFF8C00); // Orange sunset
		} else if (level === 3) {
			game.setBackgroundColor(0x191970); // Dark blue night
		} else if (level === 4) {
			game.setBackgroundColor(0x2F4F4F); // Dark gray storm
		}
	}
}
function spawnObstacle() {
	if (clearPathTime > 0) {
		return;
	}
	var obstacleType = Math.floor(Math.random() * 4);
	var obstacle;
	switch (obstacleType) {
		case 0:
			obstacle = new Obstacle();
			break;
		case 1:
			obstacle = new Pirate();
			break;
		case 2:
			obstacle = new Wave();
			break;
		case 3:
			obstacle = new Stone();
			break;
	}
	obstacle.x = Math.random() * 1800 + 124;
	obstacle.y = -100;
	obstacle.speed = obstacle.speed + gameSpeed + level * 0.8; // Faster obstacles at higher levels
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function spawnCrewMember() {
	var crew = new CrewMember();
	crew.x = Math.random() * 1800 + 124;
	crew.y = -100;
	crew.speed = 3 + gameSpeed;
	crewMembers.push(crew);
	game.addChild(crew);
}
function spawnCoin() {
	var coin = new Coin();
	coin.x = Math.random() * 1800 + 124;
	coin.y = -100;
	coin.speed = 3 + gameSpeed;
	coins.push(coin);
	game.addChild(coin);
}
function showQuiz() {
	if (quizActive) {
		return;
	}
	quizActive = true;
	gamePaused = true; // Freeze all game movement
	quizTimeRemaining = 1200; // 20 seconds
	currentQuiz = quizQuestions[Math.floor(Math.random() * quizQuestions.length)];
	quizContainer = game.addChild(new Container());
	quizContainer.alpha = 0; // Start invisible for smooth entrance
	var bg = quizContainer.attachAsset('quizBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366,
		alpha: 0.95
	});
	// Animate quiz entrance
	tween(quizContainer, {
		alpha: 1
	}, {
		duration: 300
	});
	// Show current active effects
	var effectsText = getActiveEffectsText();
	if (effectsText) {
		var effectDisplay = new Text2(effectsText, {
			size: 45,
			fill: 0xFFFF00
		});
		effectDisplay.anchor.set(0.5, 0.5);
		effectDisplay.x = 1024;
		effectDisplay.y = 900;
		quizContainer.addChild(effectDisplay);
	}
	var questionText = new Text2(currentQuiz.question, {
		size: 65,
		fill: 0xFFFFFF,
		stroke: 0x000000,
		strokeThickness: 2,
		wordWrap: true,
		wordWrapWidth: 1600
	});
	questionText.anchor.set(0.5, 0.5);
	questionText.x = 1024;
	questionText.y = 1150;
	quizContainer.addChild(questionText);
	var timerText = new Text2('Time: 20', {
		size: 80,
		fill: 0xFFFF00,
		stroke: 0x000000,
		strokeThickness: 3
	});
	timerText.anchor.set(0.5, 0.5);
	timerText.x = 1024;
	timerText.y = 950;
	quizContainer.addChild(timerText);
	quizContainer.timerText = timerText;
	// Create answer buttons with improved styling
	quizContainer.answerButtons = [];
	for (var i = 0; i < 4; i++) {
		var answerContainer = new Container();
		answerContainer.x = 1024;
		answerContainer.y = 1350 + i * 140;
		answerContainer.answerIndex = i;
		var answerBg = answerContainer.attachAsset('quizBg', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.9,
			scaleY: 0.25,
			alpha: 0.8
		});
		var answerText = new Text2(String.fromCharCode(65 + i) + ') ' + currentQuiz.answers[i], {
			size: 55,
			fill: 0xFFFFFF,
			stroke: 0x000000,
			strokeThickness: 2
		});
		answerText.anchor.set(0.5, 0.5);
		answerContainer.addChild(answerText);
		// Store references for animations
		answerContainer.bg = answerBg;
		answerContainer.text = answerText;
		// Store index in closure to avoid reference issues
		answerContainer.down = function (index) {
			return function (x, y, obj) {
				// Animate button press - use the stored references instead of obj properties
				tween(answerContainer.bg, {
					scaleX: 0.95,
					scaleY: 0.22
				}, {
					duration: 100
				});
				tween(answerContainer.text, {
					alpha: 0.8
				}, {
					duration: 100
				});
				handleQuizAnswer(index);
			};
		}(i);
		quizContainer.answerButtons.push(answerContainer);
		quizContainer.addChild(answerContainer);
	}
}
function handleQuizAnswer(answerIndex) {
	if (!quizActive) {
		return;
	}
	// Prevent multiple answers
	quizActive = false;
	var isCorrect = answerIndex === currentQuiz.correct;
	if (isCorrect) {
		LK.getSound('correct').play();
		applyPowerUp();
	} else {
		LK.getSound('wrong').play();
		applyPenalty();
	}
	// Show effect feedback for 2 seconds
	if (lastAppliedEffect) {
		showEffectFeedback(lastAppliedEffect, isCorrect);
	}
	hideQuiz();
	nextQuizTime = LK.ticks + 480; // Every 8 seconds
}
function getActiveEffectsText() {
	var effects = [];
	if (ship.isShielded) {
		effects.push('🛡️ Shield Active');
	}
	if (doubleCoinsTime > 0) {
		effects.push('💰 Double Coins');
	}
	if (ship.isSizeModified && ship.children[0].scaleX < 1) {
		effects.push('⬇️ Smaller Ship');
	}
	if (ship.isSizeModified && ship.children[0].scaleX > 1) {
		effects.push('⬆️ Bigger Ship');
	}
	if (ship.stickyTime > 0) {
		effects.push('🐌 Sticky Controls');
	}
	if (extraObstaclesTime > 0) {
		effects.push('⚠️ Extra Obstacles');
	}
	if (scoreFreezeTime > 0) {
		effects.push('❄️ Score Frozen');
	}
	if (clearPathTime > 0) {
		effects.push('🚫 Clear Path');
	}
	if (effects.length === 0) {
		return null;
	}
	return 'Active Effects:\n' + effects.join('\n');
}
function applyPowerUp() {
	var powerUps = ['shield', 'doubleCoins', 'extraLife', 'clearPath', 'smallerShip'];
	var powerUp = powerUps[Math.floor(Math.random() * powerUps.length)];
	switch (powerUp) {
		case 'shield':
			ship.activateShield();
			lastAppliedEffect = '🛡️ Shield Activated!';
			break;
		case 'doubleCoins':
			doubleCoinsTime = 600;
			lastAppliedEffect = '💰 Double Coins for 10s!';
			break;
		case 'extraLife':
			if (health < 5) {
				health++;
				updateHearts();
				lastAppliedEffect = '❤️ Extra Life Gained!';
			} else {
				lastAppliedEffect = '❤️ Life Full Already!';
			}
			break;
		case 'clearPath':
			clearPathTime = 240;
			lastAppliedEffect = '🚫 Clear Path for 4s!';
			// Remove existing obstacles
			for (var i = obstacles.length - 1; i >= 0; i--) {
				obstacles[i].destroy();
				obstacles.splice(i, 1);
			}
			break;
		case 'smallerShip':
			ship.setSizeModifier(0.7, 300);
			lastAppliedEffect = '⬇️ Smaller Ship for 5s!';
			break;
	}
}
function applyPenalty() {
	var penalties = ['extraObstacles', 'healthLoss', 'stickyControls', 'scoreFreeze', 'biggerShip'];
	var penalty = penalties[Math.floor(Math.random() * penalties.length)];
	switch (penalty) {
		case 'extraObstacles':
			extraObstaclesTime = 480;
			lastAppliedEffect = '⚠️ Extra Obstacles for 8s!';
			break;
		case 'healthLoss':
			takeDamage();
			lastAppliedEffect = '💔 Lost 1 Heart!';
			break;
		case 'stickyControls':
			ship.activateStickyControls();
			lastAppliedEffect = '🐌 Sticky Controls for 5s!';
			break;
		case 'scoreFreeze':
			scoreFreezeTime = 300;
			lastAppliedEffect = '❄️ Score Frozen for 5s!';
			break;
		case 'biggerShip':
			ship.setSizeModifier(1.4, 240);
			lastAppliedEffect = '⬆️ Bigger Ship for 4s!';
			break;
	}
}
function showEffectExpiration(effectName) {
	if (effectExpirationDisplay) {
		effectExpirationDisplay.destroy();
	}
	effectExpirationDisplay = game.addChild(new Container());
	var expirationBg = effectExpirationDisplay.attachAsset('quizBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 400,
		scaleX: 0.5,
		scaleY: 0.2,
		alpha: 0.8
	});
	var expirationText = new Text2(effectName + ' Expired!', {
		size: 45,
		fill: 0xFFAA00
	});
	expirationText.anchor.set(0.5, 0.5);
	expirationText.x = 1024;
	expirationText.y = 400;
	effectExpirationDisplay.addChild(expirationText);
	// Auto-hide after 1.5 seconds
	LK.setTimeout(function () {
		if (effectExpirationDisplay) {
			effectExpirationDisplay.destroy();
			effectExpirationDisplay = null;
		}
	}, 1500);
}
function showEffectFeedback(effectText, isPositive) {
	if (effectDisplay) {
		effectDisplay.destroy();
	}
	effectDisplay = game.addChild(new Container());
	var feedbackBg = effectDisplay.attachAsset('quizBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366,
		scaleX: 0.6,
		scaleY: 0.3,
		alpha: 0.8
	});
	var feedbackText = new Text2(effectText, {
		size: 60,
		fill: isPositive ? 0x00FF00 : 0xFF4444
	});
	feedbackText.anchor.set(0.5, 0.5);
	feedbackText.x = 1024;
	feedbackText.y = 1366;
	effectDisplay.addChild(feedbackText);
	// Auto-hide after 2 seconds
	LK.setTimeout(function () {
		if (effectDisplay) {
			effectDisplay.destroy();
			effectDisplay = null;
		}
	}, 2000);
}
function hideQuiz() {
	quizActive = false;
	gamePaused = false; // Resume game movement
	if (quizContainer) {
		// Animate quiz exit
		tween(quizContainer, {
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				if (quizContainer) {
					quizContainer.destroy();
					quizContainer = null;
				}
			}
		});
	}
}
function takeDamage() {
	if (ship.isShielded) {
		return;
	}
	health--;
	updateHearts();
	LK.getSound('hit').play();
	LK.effects.flashScreen(0xff0000, 500);
	if (health <= 0) {
		// Create custom game over display with statistics
		var gameOverContainer = game.addChild(new Container());
		var gameOverBg = gameOverContainer.attachAsset('quizBg', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 1024,
			y: 1366,
			scaleX: 1.2,
			scaleY: 1.4,
			alpha: 0.95
		});
		var finalScore = Math.floor(distance) + crewCount * 100;
		var statsText = 'GAME OVER\n\n' + 'Final Statistics:\n' + 'Score: ' + finalScore + '\n' + 'Distance: ' + Math.floor(distance) + 'm\n' + 'Crew Members: ' + crewCount + '\n' + 'Coins: ' + coinCount + '\n' + 'Level Reached: ' + level;
		var statsDisplay = new Text2(statsText, {
			size: 60,
			fill: 0xFFFFFF
		});
		statsDisplay.anchor.set(0.5, 0.5);
		statsDisplay.x = 1024;
		statsDisplay.y = 1366;
		gameOverContainer.addChild(statsDisplay);
		// Show standard game over after 3 seconds
		LK.setTimeout(function () {
			LK.showGameOver();
		}, 3000);
	}
}
function updateHearts() {
	for (var i = 0; i < hearts.length; i++) {
		hearts[i].visible = i < health;
	}
}
var targetX = 1024;
game.move = function (x, y, obj) {
	if (quizActive) {
		return;
	}
	targetX = x;
};
game.update = function () {
	if (quizActive) {
		// Update quiz timer
		if (quizTimeRemaining > 0) {
			quizTimeRemaining--;
			var secondsLeft = Math.ceil(quizTimeRemaining / 60);
			if (quizContainer && quizContainer.timerText) {
				quizContainer.timerText.setText('Time: ' + secondsLeft);
				// Change timer color as time runs out
				if (secondsLeft <= 5) {
					quizContainer.timerText.tint = 0xFF0000; // Red when almost out of time
					tween(quizContainer.timerText, {
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 100
					});
					tween(quizContainer.timerText, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 100
					});
				} else if (secondsLeft <= 10) {
					quizContainer.timerText.tint = 0xFFAA00; // Orange warning
				} else {
					quizContainer.timerText.tint = 0xFFFF00; // Yellow normal
				}
			}
			if (quizTimeRemaining <= 0) {
				// Time's up - apply penalty
				LK.getSound('wrong').play();
				applyPenalty();
				hideQuiz();
				nextQuizTime = LK.ticks + 480; // 8 seconds after timeout
			}
		}
		return; // Completely freeze game while quiz is active
	}
	// Move ship towards target
	if (ship.stickyTime <= 0) {
		var diff = targetX - ship.x;
		ship.x += diff * 0.1;
	} else {
		var stickyDiff = targetX - ship.x;
		ship.x += stickyDiff * 0.02; // Much slower movement
	}
	// Keep ship in bounds
	if (ship.x < 60) {
		ship.x = 60;
	}
	if (ship.x > 1988) {
		ship.x = 1988;
	}
	// Update distance and score
	distance += gameSpeed;
	updateScore();
	updateLevel();
	// Update distance display
	distanceText.setText('Distance: ' + Math.floor(distance) + 'm');
	// Progressive difficulty scaling based on distance
	var difficultyMultiplier = 1 + Math.floor(distance / 500) * 0.3; // Increase difficulty every 500m
	gameSpeed = Math.min(8, 2 + difficultyMultiplier); // Cap max speed at 8
	// Update timers and show expiration notifications
	if (doubleCoinsTime > 0) {
		doubleCoinsTime--;
		if (doubleCoinsTime === 0) {
			showEffectExpiration('💰 Double Coins');
		}
	}
	if (extraObstaclesTime > 0) {
		extraObstaclesTime--;
		if (extraObstaclesTime === 0) {
			showEffectExpiration('⚠️ Extra Obstacles');
		}
	}
	if (clearPathTime > 0) {
		clearPathTime--;
		if (clearPathTime === 0) {
			showEffectExpiration('🛡️ Clear Path');
		}
	}
	if (scoreFreezeTime > 0) {
		scoreFreezeTime--;
		if (scoreFreezeTime === 0) {
			showEffectExpiration('❄️ Score Freeze');
		}
	}
	// Show quiz
	if (LK.ticks >= nextQuizTime) {
		showQuiz();
	}
	// Spawn objects - increased difficulty based on distance
	var baseSpawnRate = Math.max(8, 40 - Math.floor(distance / 300)); // Faster spawning every 300m distance
	var obstacleSpawnRate = Math.max(5, baseSpawnRate - level * 3); // Much faster spawning at higher levels
	if (LK.ticks % obstacleSpawnRate === 0) {
		spawnObstacle();
		// Spawn additional obstacles based on distance traveled
		if (distance > 1000 && LK.ticks % (obstacleSpawnRate * 2) === 0) {
			spawnObstacle(); // Extra obstacle after 1000m
		}
		if (distance > 2000 && LK.ticks % (obstacleSpawnRate * 3) === 0) {
			spawnObstacle(); // Even more obstacles after 2000m
		}
		if (extraObstaclesTime > 0 && LK.ticks % Math.max(4, obstacleSpawnRate / 4) === 0) {
			spawnObstacle(); // Extra obstacles during penalty
		}
	}
	if (LK.ticks % 600 === 0) {
		// Every 10 seconds - less frequent crew
		spawnCrewMember();
	}
	if (LK.ticks % 150 === 0) {
		// Every 2.5 seconds - slightly more frequent coins
		spawnCoin();
	}
	// Update obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (obstacle.y > 2800) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		if (ship.intersects(obstacle)) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			takeDamage();
			continue;
		}
	}
	// Update crew members
	for (var i = crewMembers.length - 1; i >= 0; i--) {
		var crew = crewMembers[i];
		if (crew.y > 2800) {
			crew.destroy();
			crewMembers.splice(i, 1);
			continue;
		}
		if (ship.intersects(crew)) {
			crewCount++;
			crewText.setText('Crew: ' + crewCount);
			crew.destroy();
			crewMembers.splice(i, 1);
			LK.getSound('collect').play();
			continue;
		}
	}
	// Update coins
	for (var i = coins.length - 1; i >= 0; i--) {
		var coin = coins[i];
		if (coin.y > 2800) {
			coin.destroy();
			coins.splice(i, 1);
			continue;
		}
		if (ship.intersects(coin)) {
			var coinValue = doubleCoinsTime > 0 ? 20 : 10;
			coinCount++;
			coinText.setText('Coins: ' + coinCount);
			if (scoreFreezeTime <= 0) {
				distance += coinValue;
			}
			coin.destroy();
			coins.splice(i, 1);
			LK.getSound('collect').play();
			continue;
		}
	}
};