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

/**** 
* Classes
****/ 
var Car = Container.expand(function (carType) {
	var self = Container.call(this);
	var carBody = self.attachAsset(carType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.maxSpeed = 200;
	self.acceleration = 0;
	self.rpm = 1000;
	self.gear = 1;
	self.maxGear = 6;
	self.perfectShiftZone = {
		min: 6000,
		max: 6500
	};
	self.redline = 7000;
	self.isRevving = false;
	self.raceStarted = false;
	self.raceFinished = false;
	self.startRevving = function () {
		self.isRevving = true;
	};
	self.stopRevving = function () {
		self.isRevving = false;
	};
	self.shift = function () {
		if (self.gear < self.maxGear && self.raceStarted && !self.raceFinished) {
			var perfect = self.rpm >= self.perfectShiftZone.min && self.rpm <= self.perfectShiftZone.max;
			var fabulous = self.rpm >= 6200 && self.rpm <= 6300; // Smaller zone within perfect zone
			if (fabulous) {
				self.gear++;
				self.rpm = 2000;
				self.acceleration = 1.2; // Higher acceleration for fabulous shift
				self.speed += 15; // Direct speed boost for fabulous shift
				LK.getSound('fabulousShift').play();
				LK.effects.flashScreen(0x00BFFF, 300); // Blue flash for fabulous shift
				// Blue NOS effect on car
				tween(self, {
					tint: 0x00BFFF
				}, {
					duration: 500,
					onFinish: function onFinish() {
						tween(self, {
							tint: 0xFFFFFF
						}, {
							duration: 300
						});
					}
				});
			} else if (perfect) {
				self.gear++;
				self.rpm = 2000;
				self.acceleration = 0.8;
				LK.getSound('perfectShift').play();
				LK.effects.flashScreen(0x4CAF50, 200);
			} else {
				var badShift = self.rpm <= 5000 || self.rpm >= 7000; // Wider bad zone
				if (badShift) {
					self.gear++;
					self.rpm = 2000;
					self.acceleration = 0.2; // Lower acceleration for bad shift
					self.speed -= 10; // Speed penalty for bad shift
					if (self.speed < 0) self.speed = 0; // Prevent negative speed
					LK.getSound('badShift').play();
					LK.effects.flashScreen(0xF44336, 200);
				} else {
					// Regular shift (not perfect, not fabulous, not bad)
					self.gear++;
					self.rpm = 2000;
					self.acceleration = 0.3;
					LK.getSound('badShift').play();
					LK.effects.flashScreen(0xF44336, 200);
				}
			}
		}
	};
	self.update = function () {
		if (self.isRevving && !self.raceStarted) {
			self.rpm += 160;
			if (self.rpm > self.redline) {
				self.rpm = self.redline;
			}
		} else if (!self.isRevving && !self.raceStarted) {
			self.rpm -= 40;
			if (self.rpm < 1000) {
				self.rpm = 1000;
			}
		}
		if (self.raceStarted) {
			var rpmIncrease = 120 / self.gear; // RPM increases slower in higher gears
			self.rpm += rpmIncrease;
			if (self.rpm > self.redline) {
				self.rpm = self.redline;
				self.acceleration = 0.1;
			}
			// Calculate target speed based on RPM and gear
			var rpmRatio = (self.rpm - 1000) / (self.redline - 1000); // Normalize RPM to 0-1
			var gearMaxSpeed = self.maxSpeed * (self.gear / self.maxGear); // Max speed for current gear
			var targetSpeed = rpmRatio * gearMaxSpeed;
			// Rev limiter: when at redline, speed is capped at gear's max speed
			if (self.rpm >= self.redline) {
				targetSpeed = gearMaxSpeed;
			}
			// Gradually adjust speed towards target speed
			if (targetSpeed > self.speed) {
				self.speed += self.acceleration;
			} else {
				self.speed = targetSpeed;
			}
			if (self.speed > self.maxSpeed) {
				self.speed = self.maxSpeed;
			}
			self.x += self.speed * 0.15;
			self.acceleration *= 0.95;
		}
	};
	return self;
});
var OpponentCar = Car.expand(function () {
	var self = Car.call(this, 'opponentCar');
	self.aiShiftTimer = 0;
	self.aiShiftDelay = 90 + Math.random() * 30;
	self.difficultyLevel = 'easy'; // Will be updated based on current race
	self.baseLaunchAcceleration = 0.5; // Base launch performance
	self.baseShiftAcceleration = 0.4; // Base shift performance
	self.update = function () {
		// Call parent update manually since we're using expand()
		if (self.isRevving && !self.raceStarted) {
			self.rpm += 160;
			if (self.rpm > self.redline) {
				self.rpm = self.redline;
			}
		} else if (!self.isRevving && !self.raceStarted) {
			self.rpm -= 40;
			if (self.rpm < 1000) {
				self.rpm = 1000;
			}
		}
		if (self.raceStarted) {
			var rpmIncrease = 120 / self.gear; // RPM increases slower in higher gears
			self.rpm += rpmIncrease;
			if (self.rpm > self.redline) {
				self.rpm = self.redline;
				self.acceleration = 0.1;
			}
			// Calculate target speed based on RPM and gear
			var rpmRatio = (self.rpm - 1000) / (self.redline - 1000); // Normalize RPM to 0-1
			var gearMaxSpeed = self.maxSpeed * (self.gear / self.maxGear); // Max speed for current gear
			var targetSpeed = rpmRatio * gearMaxSpeed;
			// Rev limiter: when at redline, speed is capped at gear's max speed
			if (self.rpm >= self.redline) {
				targetSpeed = gearMaxSpeed;
			}
			// Gradually adjust speed towards target speed
			if (targetSpeed > self.speed) {
				self.speed += self.acceleration;
			} else {
				self.speed = targetSpeed;
			}
			if (self.speed > self.maxSpeed) {
				self.speed = self.maxSpeed;
			}
			self.x += self.speed * 0.15;
			self.acceleration *= 0.95;
		}
		if (self.raceStarted && !self.raceFinished) {
			self.aiShiftTimer++;
			// Difficulty-based shift timing and performance
			var shiftDelay, minAcceleration, maxAcceleration;
			if (self.difficultyLevel === 'easy') {
				shiftDelay = 100 + Math.random() * 60; // Slower shifts: 100-160 frames
				minAcceleration = 0.4;
				maxAcceleration = 0.6;
			} else if (self.difficultyLevel === 'medium') {
				shiftDelay = 80 + Math.random() * 40; // Medium shifts: 80-120 frames  
				minAcceleration = 0.6;
				maxAcceleration = 0.75;
			} else if (currentRace === 5) {
				// hard (race 5)
				shiftDelay = 60 + Math.random() * 20; // Fast shifts: 60-80 frames
				minAcceleration = 0.75;
				maxAcceleration = 0.9;
			} else {
				// race 6 - slightly slower but more consistent for perfect requirement
				shiftDelay = 65 + Math.random() * 15; // Slightly slower shifts: 65-80 frames
				minAcceleration = 0.72;
				maxAcceleration = 0.87;
			}
			if (self.aiShiftTimer >= self.aiShiftDelay && self.gear < self.maxGear) {
				// Opponent car shifts automatically with difficulty-based performance
				self.gear++;
				self.rpm = 2000;
				self.acceleration = minAcceleration + Math.random() * (maxAcceleration - minAcceleration);
				self.aiShiftTimer = 0;
				self.aiShiftDelay = shiftDelay;
			}
		}
	};
	return self;
});
var WinPopup = Container.expand(function () {
	var self = Container.call(this);
	// Semi-transparent background overlay
	var overlay = self.attachAsset('rpmGauge', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 10,
		scaleY: 15,
		alpha: 0.95,
		x: 1024,
		y: 1366
	});
	overlay.tint = 0x000000;
	// Win text
	var winText = new Text2('YOU WON!', {
		size: 120,
		fill: 0xFFD700
	});
	winText.anchor.set(0.5, 0.5);
	winText.x = 1024;
	winText.y = 1200;
	self.addChild(winText);
	// Next race button background
	var buttonBg = self.attachAsset('rpmGauge', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 0.8,
		x: 1024,
		y: 1500
	});
	buttonBg.tint = 0x4CAF50;
	// Next race button text
	var buttonText = new Text2('NEXT RACE', {
		size: 60,
		fill: 0xFFFFFF
	});
	buttonText.anchor.set(0.5, 0.5);
	buttonText.x = 1024;
	buttonText.y = 1500;
	self.addChild(buttonText);
	self.down = function (x, y, obj) {
		// Check if click is on button area
		if (x > 824 && x < 1224 && y > 1420 && y < 1580) {
			self.onNextRace();
		}
	};
	self.onNextRace = function () {
		// This will be set from outside
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var background = game.attachAsset('background', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
var currentRace = 1;
var maxRaces = 6;
var raceState = 'countdown';
var countdownTimer = 0;
var startLightTimer = 0;
var perfectStartWindow = false;
var lightSequenceStep = 0;
var lightSequenceTimer = 0;
var currentGearSound = null;
var revSound = null;
var lastGear = 1;
var isCurrentlyRevving = false;
var track = game.attachAsset('track', {
	anchorX: 0,
	anchorY: 0.5,
	x: 0,
	y: 1366
});
// Create audience above track
var upperAudience = [];
for (var i = 0; i < 10; i++) {
	var audienceGroup = new Container();
	var audienceBody = audienceGroup.attachAsset('audience', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Add multiple heads on each audience section
	for (var j = 0; j < 8; j++) {
		var head = audienceGroup.attachAsset('audienceHead', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -75 + j * 20 + (Math.random() * 10 - 5),
			y: -60 + (Math.random() * 20 - 10)
		});
		// Randomize head colors
		var headColors = [0xFFDBB3, 0xF1C27D, 0xE0AC69, 0xC68642];
		head.tint = headColors[Math.floor(Math.random() * headColors.length)];
	}
	audienceGroup.x = 200 + i * 180;
	audienceGroup.y = 1216;
	game.addChild(audienceGroup);
	upperAudience.push(audienceGroup);
}
// Create audience below track
var lowerAudience = [];
for (var i = 0; i < 10; i++) {
	var audienceGroup = new Container();
	var audienceBody = audienceGroup.attachAsset('audience', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Add multiple heads on each audience section
	for (var j = 0; j < 8; j++) {
		var head = audienceGroup.attachAsset('audienceHead', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -75 + j * 20 + (Math.random() * 10 - 5),
			y: 60 + (Math.random() * 20 - 10)
		});
		// Randomize head colors
		var headColors = [0xFFDBB3, 0xF1C27D, 0xE0AC69, 0xC68642];
		head.tint = headColors[Math.floor(Math.random() * headColors.length)];
	}
	audienceGroup.x = 200 + i * 180;
	audienceGroup.y = 1516;
	game.addChild(audienceGroup);
	lowerAudience.push(audienceGroup);
}
var startLine = game.attachAsset('startLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 100,
	y: 1366
});
var finishLine = game.attachAsset('finishLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1948,
	y: 1366
});
var playerCar = game.addChild(new Car('playerCar'));
playerCar.x = 50;
playerCar.y = 1320;
var opponentCar = game.addChild(new OpponentCar());
opponentCar.x = 50;
opponentCar.y = 1420;
var rpmGauge = game.attachAsset('rpmGauge', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1600
});
var badZone = game.attachAsset('badZone', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1180,
	y: 1600
});
var perfectZone = game.attachAsset('perfectZone', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1180,
	y: 1600
});
var fabulousZone = game.attachAsset('fabulousZone', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1180,
	y: 1600
});
var rpmNeedle = game.attachAsset('rpmNeedle', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 824,
	y: 1600
});
var redLight1 = game.attachAsset('redLight1', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 824,
	y: 600,
	alpha: 0.3
});
var redLight2 = game.attachAsset('redLight2', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 924,
	y: 600,
	alpha: 0.3
});
var redLight3 = game.attachAsset('redLight3', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1124,
	y: 600,
	alpha: 0.3
});
var redLight4 = game.attachAsset('redLight4', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1224,
	y: 600,
	alpha: 0.3
});
var redLight = game.attachAsset('redLight', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 600
});
var greenLight = game.attachAsset('greenLight', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 600,
	alpha: 0
});
var speedText = new Text2('0 MPH', {
	size: 80,
	fill: 0x000000
});
speedText.anchor.set(0.5, 0);
speedText.x = 1024;
speedText.y = 1700;
game.addChild(speedText);
var gearBackground = game.attachAsset('gearBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1400,
	y: 1620
});
var gearText = new Text2('1', {
	size: 120,
	fill: 0xFFFFFF
});
gearText.anchor.set(0.5, 0);
gearText.x = 1400;
gearText.y = 1550;
game.addChild(gearText);
var raceText = new Text2('RACE ' + currentRace, {
	size: 100,
	fill: 0x000000
});
raceText.anchor.set(0.5, 0.5);
raceText.x = 1024;
raceText.y = 300;
game.addChild(raceText);
var instructionText = new Text2('HOLD TO REV', {
	size: 80,
	fill: 0x000000
});
instructionText.anchor.set(0.5, 0.5);
instructionText.x = 1024;
instructionText.y = 800;
game.addChild(instructionText);
var difficultyText = new Text2('EASY', {
	size: 120,
	fill: 0x4CAF50,
	stroke: 0x000000,
	strokeThickness: 8
});
difficultyText.anchor.set(1, 0);
difficultyText.x = 1948;
difficultyText.y = 150;
game.addChild(difficultyText);
var winPopup = null;
var displayedSpeed = 0; // Current displayed speed value
var targetSpeed = 0; // Target speed value for smooth transition
// Play background music
LK.playMusic('back');
function showWinPopup() {
	// Stop all sounds when popup appears
	if (currentGearSound) {
		currentGearSound.stop();
		currentGearSound = null;
	}
	if (revSound) {
		revSound.stop();
		revSound = null;
	}
	isCurrentlyRevving = false;
	if (!winPopup) {
		winPopup = new WinPopup();
		winPopup.onNextRace = function () {
			hideWinPopup();
			currentRace++;
			if (currentRace > maxRaces) {
				currentRace = 1;
			}
			resetRace();
		};
		game.addChild(winPopup);
	}
}
function hideWinPopup() {
	if (winPopup) {
		game.removeChild(winPopup);
		winPopup = null;
	}
}
function startCountdown() {
	raceState = 'countdown';
	countdownTimer = 0;
	startLightTimer = 0;
	lightSequenceStep = 0;
	lightSequenceTimer = 0;
	// Reset all lights to dim state
	redLight1.alpha = 0.3;
	redLight2.alpha = 0.3;
	redLight3.alpha = 0.3;
	redLight4.alpha = 0.3;
	redLight.alpha = 0;
	greenLight.alpha = 0;
	// Start light sequence after 1 second
	LK.setTimeout(function () {
		// Light 1 turns on
		tween(redLight1, {
			alpha: 1
		}, {
			duration: 200
		});
		LK.setTimeout(function () {
			// Light 2 turns on
			tween(redLight2, {
				alpha: 1
			}, {
				duration: 200
			});
			LK.setTimeout(function () {
				// Light 3 turns on
				tween(redLight3, {
					alpha: 1
				}, {
					duration: 200
				});
				LK.setTimeout(function () {
					// Light 4 turns on
					tween(redLight4, {
						alpha: 1
					}, {
						duration: 200
					});
					LK.setTimeout(function () {
						// All red lights turn off and green lights turn on
						tween(redLight1, {
							alpha: 0.3
						}, {
							duration: 100
						});
						tween(redLight2, {
							alpha: 0.3
						}, {
							duration: 100
						});
						tween(redLight3, {
							alpha: 0.3
						}, {
							duration: 100
						});
						tween(redLight4, {
							alpha: 0.3
						}, {
							duration: 100
						});
						tween(greenLight, {
							alpha: 1
						}, {
							duration: 200
						});
						perfectStartWindow = true;
						instructionText.setText('TAP TO SHIFT IN GREEN ZONE');
						LK.getSound('raceStart').play();
						LK.setTimeout(function () {
							raceState = 'racing';
							playerCar.raceStarted = true;
							opponentCar.raceStarted = true;
							var launchQuality = 0.5;
							if (playerCar.rpm >= 4000 && playerCar.rpm <= 5000) {
								launchQuality = 1.0;
							} else if (playerCar.rpm >= 3000 && playerCar.rpm <= 6000) {
								launchQuality = 0.8;
							}
							playerCar.acceleration = launchQuality;
							// Use difficulty-based launch acceleration with some randomness
							var launchVariation = Math.random() * 0.15; // ±0.15 variation
							opponentCar.acceleration = opponentCar.baseLaunchAcceleration + launchVariation;
							perfectStartWindow = false;
							// Reset RPM needle position to starting position
							playerCar.rpm = 1000;
							opponentCar.rpm = 1000;
						}, 500);
					}, 800);
				}, 800);
			}, 800);
		}, 800);
	}, 1000);
}
function updateOpponentDifficulty() {
	if (currentRace >= 1 && currentRace <= 2) {
		opponentCar.difficultyLevel = 'easy';
		opponentCar.baseLaunchAcceleration = 0.5;
		opponentCar.baseShiftAcceleration = 0.4;
	} else if (currentRace >= 3 && currentRace <= 4) {
		opponentCar.difficultyLevel = 'medium';
		opponentCar.baseLaunchAcceleration = 0.7;
		opponentCar.baseShiftAcceleration = 0.6;
	} else if (currentRace === 5) {
		// race 5 - hard
		opponentCar.difficultyLevel = 'hard';
		opponentCar.baseLaunchAcceleration = 0.85;
		opponentCar.baseShiftAcceleration = 0.75;
	} else {
		// race 6 - slightly reduced difficulty to require perfect play
		opponentCar.difficultyLevel = 'hard';
		opponentCar.baseLaunchAcceleration = 0.82;
		opponentCar.baseShiftAcceleration = 0.72;
	}
}
function resetRace() {
	raceState = 'countdown';
	playerCar.x = 50;
	playerCar.y = 1320;
	playerCar.speed = 0;
	playerCar.rpm = 1000;
	playerCar.gear = 1;
	playerCar.acceleration = 0;
	playerCar.raceStarted = false;
	playerCar.raceFinished = false;
	playerCar.isRevving = false;
	opponentCar.x = 50;
	opponentCar.y = 1420;
	opponentCar.speed = 0;
	opponentCar.rpm = 1000;
	opponentCar.gear = 1;
	opponentCar.acceleration = 0;
	opponentCar.raceStarted = false;
	opponentCar.raceFinished = false;
	opponentCar.aiShiftTimer = 0;
	updateOpponentDifficulty(); // Update difficulty based on current race
	lightSequenceStep = 0;
	lightSequenceTimer = 0;
	// Reset all lights to dim state
	redLight1.alpha = 0.3;
	redLight2.alpha = 0.3;
	redLight3.alpha = 0.3;
	redLight4.alpha = 0.3;
	greenLight.alpha = 0;
	raceText.setText('RACE ' + currentRace);
	instructionText.setText('HOLD TO REV');
	// Update difficulty text based on current race
	if (currentRace >= 1 && currentRace <= 2) {
		difficultyText.setText('EASY');
		difficultyText.fill = 0x4CAF50; // Green
	} else if (currentRace >= 3 && currentRace <= 4) {
		difficultyText.setText('MEDIUM');
		difficultyText.fill = 0xFFFF00; // Yellow
	} else if (currentRace === 5) {
		difficultyText.setText('HARD');
		difficultyText.fill = 0xFF0000; // Red
	} else {
		difficultyText.setText('EXPERT');
		difficultyText.fill = 0xFF0000; // Red
	}
	// Stop any existing gear sound
	if (currentGearSound) {
		currentGearSound.stop();
		currentGearSound = null;
	}
	// Stop revving sound
	if (revSound) {
		revSound.stop();
		revSound = null;
	}
	isCurrentlyRevving = false;
	displayedSpeed = 0;
	targetSpeed = 0;
	// Create loading screen
	var loadingText = new Text2('LOADING...', {
		size: 120,
		fill: 0x000000
	});
	loadingText.anchor.set(0.5, 0.5);
	loadingText.x = 1024;
	loadingText.y = 1366;
	game.addChild(loadingText);
	// Wait for assets to load then start countdown
	LK.setTimeout(function () {
		// Remove loading text
		game.removeChild(loadingText);
		// Start the game
		startCountdown();
	}, 1000);
}
game.down = function (x, y, obj) {
	if (raceState === 'countdown') {
		playerCar.startRevving();
		LK.getSound('engineRev').play();
	} else if (raceState === 'racing') {
		// Only player car shifting is controlled by player input
		playerCar.shift();
	}
};
game.up = function (x, y, obj) {
	if (raceState === 'countdown') {
		playerCar.stopRevving();
	}
};
game.update = function () {
	var needlePosition = 824 + (playerCar.rpm - 1000) / 6000 * 400;
	if (needlePosition > 1224) needlePosition = 1224;
	if (needlePosition < 824) needlePosition = 824;
	rpmNeedle.x = needlePosition;
	// Calculate new target speed for display (multiply by 3 for speedometer effect)
	var newTargetSpeed = Math.floor(playerCar.speed * 3);
	// Only start tween if target speed has changed significantly
	if (Math.abs(newTargetSpeed - targetSpeed) > 1) {
		targetSpeed = newTargetSpeed;
		// Stop any existing speed tween
		tween.stop({
			speed: displayedSpeed
		}, {
			speed: true
		});
		// Smoothly tween to new target speed over 200ms for faster updates
		tween({
			speed: displayedSpeed
		}, {
			speed: targetSpeed
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				displayedSpeed = targetSpeed;
			}
		});
	}
	// Update displayed speed during tween
	speedText.setText(Math.floor(displayedSpeed) + ' MPH');
	gearText.setText(playerCar.gear);
	// Sound control - play individual gear sounds or revving sound
	if (playerCar.isRevving && !playerCar.raceStarted) {
		// Handle revving before race starts
		if (!isCurrentlyRevving) {
			// Stop any current gear sound
			if (currentGearSound) {
				currentGearSound.stop();
				currentGearSound = null;
			}
			// Start revving sound
			revSound = LK.getSound('revSound');
			revSound.play();
			isCurrentlyRevving = true;
		}
	} else if (playerCar.raceStarted) {
		// Handle gear sounds during racing
		if (isCurrentlyRevving) {
			// Stop revving sound
			if (revSound) {
				revSound.stop();
				revSound = null;
			}
			isCurrentlyRevving = false;
		}
		// Check if gear changed
		if (playerCar.gear !== lastGear) {
			// Stop current gear sound
			if (currentGearSound) {
				currentGearSound.stop();
				currentGearSound = null;
			}
			// Start new gear sound
			var gearSoundId = 'gear' + playerCar.gear + 'Sound';
			currentGearSound = LK.getSound(gearSoundId);
			currentGearSound.play();
			lastGear = playerCar.gear;
		}
	} else {
		// Stop all sounds when not racing or revving
		if (currentGearSound) {
			currentGearSound.stop();
			currentGearSound = null;
		}
		if (revSound) {
			revSound.stop();
			revSound = null;
		}
		isCurrentlyRevving = false;
	}
	if (raceState === 'racing') {
		if (playerCar.x >= 1900 && !playerCar.raceFinished) {
			playerCar.raceFinished = true;
			opponentCar.raceFinished = true;
			LK.setTimeout(function () {
				showWinPopup();
			}, 1000);
		} else if (opponentCar.x >= 1900 && !opponentCar.raceFinished) {
			playerCar.raceFinished = true;
			opponentCar.raceFinished = true;
			LK.showGameOver();
		}
	}
};
startCountdown();