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

/**** 
* Classes
****/ 
var Button = Container.expand(function (label, width, height) {
	var self = Container.call(this);
	//{button_init}
	self.interactive = true;
	self.buttonMode = true;
	var buttonBg = self.attachAsset('Button', {
		anchorX: 0.5,
		anchorY: 0.5
	}); //{button_bg}
	buttonBg.width = width;
	buttonBg.height = height;
	buttonBg.scale.x = 1;
	buttonBg.scale.y = 1;
	var buttonText = new Text2(label, {
		size: 80,
		fill: 0x000000,
		weight: '800'
	}); //{button_text}
	buttonText.anchor.set(0.5, 0.5);
	self.addChild(buttonText);
	self.onDown = function () {
		buttonBg.alpha = 0.7;
	}; //{button_down}
	self.onUp = function () {
		buttonBg.alpha = 1;
	}; //{button_up}
	return self;
});
var Car = Container.expand(function () {
	var self = Container.call(this);
	self.projectMovement = function (vector) {
		var angle = -Math.PI / 4;
		var cosAngle = Math.cos(angle);
		var sinAngle = Math.sin(angle);
		return {
			x: vector.x * cosAngle - vector.y * sinAngle,
			y: vector.x * sinAngle + vector.y * cosAngle
		};
	};
	var carGraphics = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.direction = 0;
	self.momentum = {
		x: 0,
		y: 0
	};
	self._move_migrated = function () {
		var momentumModifier = 0.1;
		if (self.direction === 0) {
			// Move along X axis
			self.momentum.x += self.speed * momentumModifier;
		} else {
			// Move along Y axis
			self.momentum.y -= self.speed * momentumModifier;
		}
		var projectedMovement = self.projectMovement(self.momentum);
		// Check if car reaches the center of the screen on the X coordinate
		if (self.lastX <= 2048 / 2 && self.x > 2048 / 2) {
			console.log("Car reached the center of the screen on the X coordinate");
		}
		self.lastX = self.x;
		self.x += projectedMovement.x;
		self.y += projectedMovement.y;
		// Check if car arrives at a specific X, Y coordinate
		if (self.lastY <= 1500 && self.y > 1500 && self.lastX <= 1000 && self.x > 1000) {
			console.log("Car arrived at the specific X, Y coordinate");
		}
		self.lastY = self.y;
		self.lastX = self.x;
		// Check if car comes close to the bottom of the screen on the Y coordinate
		if (self.lastY <= 2732 - 100 && self.y > 2732 - 100) {
			console.log("Car is close to the bottom of the screen");
		}
		self.lastY = self.y;
		var nonTravelMomentum;
		if (self.direction === 0) {
			self.momentum.x *= 0.98;
			self.momentum.y *= 0.95;
			nonTravelMomentum = self.momentum.y;
		} else {
			self.momentum.x *= 0.95;
			self.momentum.y *= 0.98;
			nonTravelMomentum = self.momentum.x;
		}
		self.nonTravelMomentum = nonTravelMomentum;
	};
	self.changeDirection = function () {
		self.direction = self.direction === 0 ? 1 : 0;
		carGraphics.scale.x *= -1;
	};
});
var DifficultyPopup = Container.expand(function () {
	var self = Container.call(this);
	//{popup_init}
	self.interactive = true;
	self.buttonMode = false;
	var hardBtn = Container.call(new Container());
	hardBtn.interactive = true;
	hardBtn.buttonMode = true;
	var hardButtonBg = hardBtn.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	hardButtonBg.width = 400;
	hardButtonBg.height = 160;
	hardButtonBg.scale.x = 1;
	hardButtonBg.scale.y = 1;
	var hardButtonText = new Text2('HARD', {
		size: 80,
		fill: 0x000000,
		weight: '800'
	});
	hardButtonText.anchor.set(0.5, 0.5);
	hardBtn.addChild(hardButtonText);
	hardBtn.onDown = function () {
		hardButtonBg.alpha = 0.7;
	};
	hardBtn.onUp = function () {
		hardButtonBg.alpha = 1;
	};
	hardBtn.x = 0;
	hardBtn.y = -254;
	self.addChild(hardBtn);
	hardBtn.down = function (x, y, obj) {
		console.log("Hard difficulty selected");
		currentDifficulty = 'HARD';
		tween(hardButtonBg, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		tween(hardButtonText, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		LK.setTimeout(function () {
			if (difficultyPopupContainer) {
				difficultyPopupContainer.destroy();
				difficultyPopupContainer = null;
			}
		}, 500);
	}; //{popup_hard_down}
	var mediumBtn = Container.call(new Container());
	mediumBtn.interactive = true;
	mediumBtn.buttonMode = true;
	var mediumButtonBg = mediumBtn.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	mediumButtonBg.width = 400;
	mediumButtonBg.height = 160;
	mediumButtonBg.scale.x = 1;
	mediumButtonBg.scale.y = 1;
	var mediumButtonText = new Text2('MEDIUM', {
		size: 80,
		fill: 0x000000,
		weight: '800'
	});
	mediumButtonText.anchor.set(0.5, 0.5);
	mediumBtn.addChild(mediumButtonText);
	mediumBtn.onDown = function () {
		mediumButtonBg.alpha = 0.7;
	};
	mediumBtn.onUp = function () {
		mediumButtonBg.alpha = 1;
	};
	mediumBtn.x = 0;
	mediumBtn.y = -74;
	self.addChild(mediumBtn);
	mediumBtn.down = function (x, y, obj) {
		console.log("Medium difficulty selected");
		currentDifficulty = 'MEDIUM';
		tween(mediumButtonBg, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		tween(mediumButtonText, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		LK.setTimeout(function () {
			if (difficultyPopupContainer) {
				difficultyPopupContainer.destroy();
				difficultyPopupContainer = null;
			}
		}, 500);
	}; //{popup_medium_down}
	var easyBtn = Container.call(new Container());
	easyBtn.interactive = true;
	easyBtn.buttonMode = true;
	var easyButtonBg = easyBtn.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	easyButtonBg.width = 400;
	easyButtonBg.height = 160;
	easyButtonBg.scale.x = 1;
	easyButtonBg.scale.y = 1;
	var easyButtonText = new Text2('EASY', {
		size: 80,
		fill: 0x000000,
		weight: '800'
	});
	easyButtonText.anchor.set(0.5, 0.5);
	easyBtn.addChild(easyButtonText);
	easyBtn.onDown = function () {
		easyButtonBg.alpha = 0.7;
	};
	easyBtn.onUp = function () {
		easyButtonBg.alpha = 1;
	};
	easyBtn.x = 0;
	easyBtn.y = 104;
	self.addChild(easyBtn);
	easyBtn.down = function (x, y, obj) {
		console.log("Easy difficulty selected");
		currentDifficulty = 'EASY';
		tween(easyButtonBg, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		tween(easyButtonText, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		LK.setTimeout(function () {
			if (difficultyPopupContainer) {
				difficultyPopupContainer.destroy();
				difficultyPopupContainer = null;
			}
		}, 500);
	}; //{popup_easy_down}
	return self; //{popup_return}
});
var DriftAndDodge = Container.expand(function () {
	var self = Container.call(this);
});
//{popup_end}
//{button_end}
var Menu = Container.expand(function () {
	var self = Container.call(this);
	//{1a_menu}
	var currentWallpaperIndex = 0;
	var wallpaperAssets = ['W2', 'W1', 'W3'];
	var menuBackground = self.attachAsset(wallpaperAssets[currentWallpaperIndex], {
		anchorX: 0.5,
		//{1a_menu_bg1}
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2
	}); //{1a_menu_bg2}
	menuBackground.alpha = 0.8;
	self.startWallpaperRotation = function () {
		var _rotateWallpaper = function rotateWallpaper() {
			currentWallpaperIndex = (currentWallpaperIndex + 1) % wallpaperAssets.length;
			var newBackground = self.attachAsset(wallpaperAssets[currentWallpaperIndex], {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2
			});
			newBackground.alpha = 0;
			self.addChildAt(newBackground, 0);
			tween(menuBackground, {
				alpha: 0
			}, {
				duration: 1500,
				easing: tween.easeInOut
			});
			tween(newBackground, {
				alpha: 0.8
			}, {
				duration: 1500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					menuBackground.destroy();
					menuBackground = newBackground;
					LK.setTimeout(_rotateWallpaper, 3000);
				}
			});
		};
		LK.setTimeout(_rotateWallpaper, 3000);
	};
	var titleText = new Text2('DRIFT AND DODGE', {
		size: 120,
		//{1a_menu_title1}
		fill: 0x00FFFF,
		weight: '800',
		//{1a_menu_title2}
		dropShadow: true,
		dropShadowColor: '#373330',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 6 //{1a_menu_title3}
	}); //{1a_menu_title4}
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 2732 / 3;
	titleText.visible = false;
	self.addChild(titleText);
	var buttonContainerMenu = new Container(); //{menu_button_container}
	buttonContainerMenu.x = 2048 / 2;
	buttonContainerMenu.y = 2732 / 2 + 100 + 555 + 777 - 333;
	self.addChild(buttonContainerMenu);
	var difficultyBtn = Container.call(new Container());
	difficultyBtn.interactive = true;
	difficultyBtn.buttonMode = true;
	var difficultyButtonBg = difficultyBtn.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	difficultyButtonBg.width = 400;
	difficultyButtonBg.height = 160;
	difficultyButtonBg.scale.x = 1;
	difficultyButtonBg.scale.y = 1;
	var difficultyButtonText = new Text2('Difficulty', {
		size: 80,
		fill: 0x000000,
		weight: '800'
	});
	difficultyButtonText.anchor.set(0.5, 0.5);
	difficultyBtn.addChildAt(difficultyButtonText, 1);
	difficultyBtn.onDown = function () {
		difficultyButtonBg.alpha = 0.7;
		tween(difficultyButtonBg, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		tween(difficultyButtonText, {
			tint: 0xFFFF00
		}, {
			duration: 500,
			easing: tween.easeOut
		});
	};
	difficultyBtn.onUp = function () {
		difficultyButtonBg.alpha = 1;
	};
	difficultyBtn.x = -650;
	difficultyBtn.y = 0;
	buttonContainerMenu.addChild(difficultyBtn);
	difficultyBtn.down = function (x, y, obj) {
		console.log("Difficulty selected");
		if (!difficultyPopupContainer) {
			difficultyPopupContainer = game.addChild(new DifficultyPopup());
			difficultyPopupContainer.x = difficultyBtn.parent.x + difficultyBtn.x;
			difficultyPopupContainer.y = difficultyBtn.parent.y + difficultyBtn.y - 280;
		}
	}; //{menu_diff_down}
	var weatherBtn = new Button('Weather', 400, 160); //{menu_weather_btn}
	weatherBtn.x = -250;
	weatherBtn.y = 0;
	buttonContainerMenu.addChild(weatherBtn);
	weatherBtn.down = function (x, y, obj) {
		console.log("Weather selected");
	}; //{menu_weather_down}
	var carBtn = new Button('Car', 400, 160); //{menu_car_btn}
	carBtn.x = 150;
	carBtn.y = 0;
	buttonContainerMenu.addChild(carBtn);
	carBtn.down = function (x, y, obj) {
		console.log("Car selected");
	}; //{menu_car_down}
	var startBtn = Container.call(new Container());
	startBtn.interactive = true;
	startBtn.buttonMode = true;
	var startButtonBg = startBtn.attachAsset('Startbutton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startButtonBg.width = 500;
	startButtonBg.height = 160;
	startButtonBg.scale.x = 1;
	startButtonBg.scale.y = 1;
	var startButtonText = new Text2('START GAME', {
		size: 80,
		fill: 0x000000,
		weight: '800'
	});
	startButtonText.anchor.set(0.5, 0.5);
	startBtn.addChild(startButtonText);
	startBtn.onDown = function () {
		startButtonBg.alpha = 0.7;
	};
	startBtn.onUp = function () {
		startButtonBg.alpha = 1;
	};
	startBtn.x = 599;
	startBtn.y = 0;
	buttonContainerMenu.addChild(startBtn);
	startBtn.down = function (x, y, obj) {
		self.visible = false;
		self.interactive = false;
	}; //{menu_start_down}
	self.startWallpaperRotation();
	return self;
});
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('wheelTrack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	particleGraphics.rotation = Math.PI / 4;
	self.lifetime = 100;
	self.tick = function () {
		if (--self.lifetime <= 0) {
			self.destroy();
		}
	};
});
var Rock = Container.expand(function () {
	var self = Container.call(this);
	var rockGraphics = self.attachAsset('rock', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var SnowFog = Container.expand(function () {
	var self = Container.call(this);
	var fogGraphics = self.attachAsset('wheelTrack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	fogGraphics.scale.x = 0.6;
	fogGraphics.scale.y = 0.6;
	fogGraphics.tint = 0xFFFFFF;
	self.lifetime = 80;
	self.initialize = function (startX, startY) {
		self.x = startX;
		self.y = startY;
		self.alpha = 0.7;
		tween(self, {
			alpha: 0,
			y: self.y - 200
		}, {
			duration: 800,
			easing: tween.easeOut
		});
	};
	self.tick = function () {
		if (--self.lifetime <= 0) {
			self.destroy();
		}
	};
});
var SnowyEmbankment = Container.expand(function () {
	var self = Container.call(this);
	var embankmentGraphics = self.attachAsset('rods', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Tree2 = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('tree2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

/**** 
* Initialize Game
****/ 
//{1a_menu_end}
var game = new LK.Game({
	backgroundColor: 0xFFFFFF
});

/**** 
* Game Code
****/ 
var difficultyConfig = {
	EASY: {
		roadWidth: 1200,
		turnSharpness: 12,
		straightSharpness: 30,
		treeDistanceBuffer: 350,
		minRoadWidth: 800
	},
	MEDIUM: {
		roadWidth: 900,
		turnSharpness: 45,
		straightSharpness: 12,
		treeDistanceBuffer: 150,
		minRoadWidth: 550
	},
	HARD: {
		roadWidth: 600,
		turnSharpness: 60,
		straightSharpness: 40,
		treeDistanceBuffer: 60,
		minRoadWidth: 400
	}
};
var currentDifficulty = 'MEDIUM';
var difficultyPopupContainer = null;
var driftAndDodge = game.addChild(new DriftAndDodge());
game.calculateDistanceToPoint = function (point, segmentStart, segmentEnd) {
	var A = point.x - segmentStart.x;
	var B = point.y - segmentStart.y;
	var C = segmentEnd.x - segmentStart.x;
	var D = segmentEnd.y - segmentStart.y;
	var dot = A * C + B * D;
	var len_sq = C * C + D * D;
	var param = -1;
	if (len_sq != 0) {
		param = dot / len_sq;
	}
	var xx, yy;
	if (param < 0) {
		xx = segmentStart.x;
		yy = segmentStart.y;
	} else if (param > 1) {
		xx = segmentEnd.x;
		yy = segmentEnd.y;
	} else {
		xx = segmentStart.x + param * C;
		yy = segmentStart.y + param * D;
	}
	var dx = point.x - xx;
	var dy = point.y - yy;
	return Math.sqrt(dx * dx + dy * dy);
};
game.addRoadSegment = function () {
	var lastSegment = roadSegments[roadSegments.length - 1];
	var difficulty = difficultyConfig[currentDifficulty];
	zigzag = !zigzag;
	var segment = roadContainer.attachAsset('roadSegment', {
		anchorX: 0.5
	});
	segment.width = segmentWidth;
	// Reduce road width more during turns to make turns harder but still playable
	if (zigzag) {
		segmentWidth = Math.max(difficulty.minRoadWidth, segmentWidth - difficulty.turnSharpness);
	} else {
		segmentWidth = Math.max(difficulty.minRoadWidth, segmentWidth - difficulty.straightSharpness);
	}
	segment.height = (i === 1 ? 3000 : Math.floor(Math.random() * (4000 - 1200 + 1)) + 1200) * 2;
	segment.rotation = zigzag ? -Math.PI - Math.PI / 4 : -Math.PI + Math.PI / 4;
	segment.y = currentY;
	segment.x = currentX;
	var adjustedHeight = segment.height - segmentWidth / 2;
	currentY += adjustedHeight * Math.cos(segment.rotation);
	currentX -= adjustedHeight * Math.sin(segment.rotation);
	segment.shadow = roadContainer.attachAsset('roadSegmentShadow', {
		anchorX: 0.5
	});
	segment.shadow.width = segment.width;
	segment.shadow.height = segment.height;
	segment.shadow.rotation = segment.rotation;
	segment.shadow.x = segment.x;
	segment.shadow.y = segment.y + 50;
	segment.shadow.alpha = 1;
	segment.used = false;
	roadSegments.push(segment);
	roadContainer.addChildAt(segment.shadow, 0);
	roadContainer.addChild(segment);
	// Add multiple trees to the left and right of the road segment
	var treeSpacing = 150; // Space between trees
	var numberOfTree2 = Math.floor(segment.height / treeSpacing) - 3; // Decrease the number of tree2 by 3
	var treeBuffer = difficulty.treeDistanceBuffer;
	// In hard mode, ensure trees are placed far enough from road edges to avoid overlap
	if (currentDifficulty === 'HARD') {
		treeBuffer = Math.max(200, treeBuffer + 150);
	}
	for (var i = 0; i < numberOfTree2; i++) {
		var leftTree = new Tree();
		leftTree.x = segment.x - segment.width - treeBuffer - i * treeSpacing;
		leftTree.y = segment.y + i * treeSpacing;
		roadContainer.addChild(leftTree);
		var rightTree = new Tree2();
		rightTree.x = segment.x + segment.width + treeBuffer + i * treeSpacing;
		rightTree.y = segment.y + i * treeSpacing;
		roadContainer.addChild(rightTree);
	}
	// Add rocks to the left and right of the road segment
	var leftRock = new Rock();
	leftRock.x = segment.x - segment.width - 1000; // Double the distance from the road
	leftRock.y = segment.y;
	roadContainer.addChildAt(leftRock, 0);
	var rightRock = new Rock();
	rightRock.x = segment.x + segment.width + 1000; // Double the distance from the road
	rightRock.y = segment.y;
	roadContainer.addChildAt(rightRock, 0);
	// Attach snowy embankments to the left and right of the road segment
	var leftEmbankment = new SnowyEmbankment();
	leftEmbankment.x = segment.x - segment.width / 2 - 50; // Increase distance by 50 units 
	leftEmbankment.y = segment.y;
	roadContainer.addChild(leftEmbankment);
	var rightEmbankment = new SnowyEmbankment();
	rightEmbankment.x = segment.x + segment.width / 2 + 50; // Increase distance by 50 units 
	rightEmbankment.y = segment.y;
	roadContainer.addChild(rightEmbankment);
};
var menu = game.addChild(new Menu());
var particles = [];
var snowFogs = [];
var mainContainer = game.addChild(new Container()); //{1x_main}
mainContainer.visible = false;
var roadContainer = mainContainer.addChild(new Container());
var roadSegments = [];
var segmentLength = Math.floor(Math.random() * (1000 - 200 + 1)) + 200;
var segmentWidth = difficultyConfig[currentDifficulty].roadWidth;
var currentX = 2048 / 2;
var currentY = 2732 / 2;
var zigzag = true;
for (var i = 1; i <= 15; i++) {
	game.addRoadSegment();
}
var scoreText = new Text2('Turn: 0', {
	size: 75,
	fill: 0xFFFFFF,
	weight: '800',
	dropShadow: true,
	dropShadowColor: '#373330',
	dropShadowBlur: 4,
	dropShadowAngle: Math.PI / 6,
	dropShadowDistance: 6
});
scoreText.anchor.set(1, 0); // Anchor to the top right
scoreText.visible = false;
LK.gui.topRight.addChild(scoreText);
// Timer Text2 for minutes:seconds display
var timerText = new Text2('00:00', {
	size: 50,
	fill: 0xFFFFFF,
	weight: '800',
	dropShadow: true,
	dropShadowColor: '#373330',
	dropShadowBlur: 4,
	dropShadowAngle: Math.PI / 6,
	dropShadowDistance: 6
});
timerText.anchor.set(1, 1); // Bottom right
timerText.visible = false;
LK.gui.bottomRight.addChild(timerText);
// Timer variables
var timerStartTicks = LK.ticks;
var timerLastSeconds = 0;
// Add a neon blue-colored speedometer to the bottom left corner of the map
var speedometer = new Text2('Speed: 0', {
	size: 50,
	fill: 0x00FFFF,
	// Neon blue color
	weight: '800',
	dropShadow: true,
	dropShadowColor: '#000000',
	dropShadowBlur: 4,
	dropShadowAngle: Math.PI / 6,
	dropShadowDistance: 6
});
speedometer.anchor.set(0, 1); // Anchor to bottom left
speedometer.visible = false;
LK.gui.bottomLeft.addChild(speedometer);
var car = mainContainer.addChild(new Car());
car.x = 2048 / 2;
car.y = 2732 / 2;
var isGameOver = false;
var score = 0;
var closestSegment = null;
game.down = function (x, y, obj) {
	if (!mainContainer.visible) return;
	car.changeDirection();
};
game.up = function () {};
LK.on('tick', function () {
	if (!mainContainer.visible && !menu.visible) {
		mainContainer.visible = true;
		scoreText.visible = true;
		timerText.visible = true;
		speedometer.visible = true;
		car._move_migrated();
	} else if (mainContainer.visible) {
		car._move_migrated();
		LK.playMusic('Car', {
			loop: true
		});
	}
	// Update timerText with hours:minutes:seconds:milliseconds format
	var elapsedTicks = LK.ticks - timerStartTicks;
	var elapsedMilliseconds = Math.floor(elapsedTicks % 60 * (1000 / 60));
	var elapsedSeconds = Math.floor(elapsedTicks / 60);
	var elapsedMinutes = Math.floor(elapsedSeconds / 60);
	var elapsedHours = Math.floor(elapsedMinutes / 60);
	var hours = elapsedHours;
	var minutes = elapsedMinutes % 60;
	var seconds = elapsedSeconds % 60;
	var milliseconds = elapsedMilliseconds;
	var hourStr = hours < 10 ? '0' + hours : '' + hours;
	var minStr = minutes < 10 ? '0' + minutes : '' + minutes;
	var secStr = seconds < 10 ? '0' + seconds : '' + seconds;
	var msStr = milliseconds < 100 ? milliseconds < 10 ? '00' + milliseconds : '0' + milliseconds : '' + milliseconds;
	timerText.setText(hourStr + ':' + minStr + ':' + secStr + ':' + msStr);
	var carIsOnRoad = false;
	var carPosition = {
		x: car.x,
		y: car.y
	};
	// Update the speedometer with the current speed
	speedometer.setText('Speed: ' + Math.round(Math.sqrt(car.momentum.x * car.momentum.x + car.momentum.y * car.momentum.y) * 5) + ' km/h');
	var currentClosestSegment = null;
	var currentClosestDistance = Infinity;
	roadSegments.forEach(function (segment) {
		var segmentStart = {
			x: segment.x + Math.sin(segment.rotation) * 100,
			y: segment.y - Math.cos(segment.rotation) * 100
		};
		var segmentEnd = {
			x: segment.x - Math.sin(segment.rotation) * (segment.height - segment.width / 2),
			y: segment.y + Math.cos(segment.rotation) * (segment.height - segment.width / 2)
		};
		var distance = game.calculateDistanceToPoint(carPosition, segmentStart, segmentEnd);
		if (distance < currentClosestDistance) {
			currentClosestDistance = distance;
			currentClosestSegment = segment;
		}
		if (distance < segment.width / 2 - 50) {
			carIsOnRoad = true;
		}
	});
	if (closestSegment !== currentClosestSegment && !currentClosestSegment.used) {
		// Check for intersection between car and road segment
		if (car.lastWasIntersecting === false && car.intersects(currentClosestSegment)) {
			console.log("Car intersected with a road segment");
		}
		car.lastWasIntersecting = car.intersects(currentClosestSegment);
		closestSegment = currentClosestSegment;
		closestSegment.used = true;
		score++;
		LK.setScore(score);
		scoreText.setText('Turn: ' + score.toString());
	}
	if (!carIsOnRoad) {
		LK.showGameOver();
	} else {}
	var particle = new Particle();
	particle.alpha = Math.max(0, Math.min(1, Math.abs(car.nonTravelMomentum) / 5 - 0.5));
	if (particle.alpha > 0) {
		var noiseX = (Math.random() - 0.5) * 10;
		var noiseY = (Math.random() - 0.5) * 10;
		particle.x = car.x + noiseX;
		particle.y = car.y + noiseY;
		mainContainer.addChildAt(particle, 1);
		particles.push(particle);
	}
	particles.forEach(function (particle, index) {
		particle.tick();
		if (particle.lifetime <= 0) {
			particles.splice(index, 1);
		}
	});
	if (LK.ticks % 3 === 0 && Math.abs(car.nonTravelMomentum) > 0.5) {
		var snowFog = new SnowFog();
		var fogOffsetX = (Math.random() - 0.5) * 150;
		var fogOffsetY = 150;
		snowFog.initialize(car.x + fogOffsetX, car.y + fogOffsetY);
		mainContainer.addChildAt(snowFog, 1);
		snowFogs.push(snowFog);
	}
	snowFogs.forEach(function (fog, index) {
		fog.tick();
		if (fog.lifetime <= 0) {
			snowFogs.splice(index, 1);
		}
	});
	var carLocalPosition = game.toLocal(car.position, car.parent);
	var offsetX = (2048 / 2 - carLocalPosition.x) / 20;
	var offsetY = (2732 - 450 - carLocalPosition.y) / 20;
	mainContainer.x += offsetX;
	mainContainer.y += offsetY;
	for (var i = roadSegments.length - 1; i >= 0; i--) {
		var segmentGlobalPosition = game.toLocal(roadSegments[i].position, roadSegments[i].parent);
		if (segmentGlobalPosition.y - roadSegments[i].height > 2732 * 2) {
			roadSegments[i].shadow.destroy();
			roadSegments[i].destroy();
			roadSegments.splice(i, 1);
			game.addRoadSegment();
		}
		// Destroy embankments which are off screen
		if (roadSegments[i].leftEmbankment && roadSegments[i].leftEmbankment.y < -50) {
			roadSegments[i].leftEmbankment.destroy();
		}
		if (roadSegments[i].rightEmbankment && roadSegments[i].rightEmbankment.y < -50) {
			roadSegments[i].rightEmbankment.destroy();
		}
	}
});
// Add the game logic for 'DriftAndDodge' here

===================================================================
--- original.js
+++ change.js
@@ -343,8 +343,20 @@
 	difficultyButtonText.anchor.set(0.5, 0.5);
 	difficultyBtn.addChildAt(difficultyButtonText, 1);
 	difficultyBtn.onDown = function () {
 		difficultyButtonBg.alpha = 0.7;
+		tween(difficultyButtonBg, {
+			tint: 0xFFFF00
+		}, {
+			duration: 500,
+			easing: tween.easeOut
+		});
+		tween(difficultyButtonText, {
+			tint: 0xFFFF00
+		}, {
+			duration: 500,
+			easing: tween.easeOut
+		});
 	};
 	difficultyBtn.onUp = function () {
 		difficultyButtonBg.alpha = 1;
 	};