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

/**** 
* Classes
****/ 
var DebugPoints = Container.expand(function () {
	var self = Container.call(this);
	// Create points for face tracking debugging
	self.points = {
		leftEye: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		rightEye: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		noseTip: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		mouthCenter: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		upperLip: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		lowerLip: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		}),
		chin: self.attachAsset('debugFacePoints', {
			anchorX: 0.5,
			anchorY: 0.5
		})
	};
	// Update debug points to match face points
	self.update = function (kit) {
		if (!kit) {
			return;
		}
		if (kit.leftEye) {
			self.points.leftEye.x = kit.leftEye.x;
			self.points.leftEye.y = kit.leftEye.y;
		}
		if (kit.rightEye) {
			self.points.rightEye.x = kit.rightEye.x;
			self.points.rightEye.y = kit.rightEye.y;
		}
		if (kit.noseTip) {
			self.points.noseTip.x = kit.noseTip.x;
			self.points.noseTip.y = kit.noseTip.y;
		}
		if (kit.mouthCenter) {
			self.points.mouthCenter.x = kit.mouthCenter.x;
			self.points.mouthCenter.y = kit.mouthCenter.y;
		}
		if (kit.upperLip) {
			self.points.upperLip.x = kit.upperLip.x;
			self.points.upperLip.y = kit.upperLip.y;
		}
		if (kit.lowerLip) {
			self.points.lowerLip.x = kit.lowerLip.x;
			self.points.lowerLip.y = kit.lowerLip.y;
		}
		if (kit.chin) {
			self.points.chin.x = kit.chin.x;
			self.points.chin.y = kit.chin.y;
		}
	};
	return self;
});
var TrollFace = Container.expand(function () {
	var self = Container.call(this);
	self.scales = {
		head: {
			x: 1,
			y: 1
		},
		eye: {
			x: 1,
			y: 1
		},
		lip: {
			x: 1,
			y: 1
		}
	};
	// Properties
	self.currentStyle = 1;
	self.currentOffsets = trollFaceOffsets[self.currentStyle - 1];
	self.elements = {};
	// Initialize cached position objects to reuse
	self.positionCache = {
		head: {
			x: 0,
			y: 0,
			scaleX: 1,
			scaleY: 1
		},
		leftEye: {
			x: 0,
			y: 0,
			scaleX: 1,
			scaleY: 1
		},
		rightEye: {
			x: 0,
			y: 0,
			scaleX: 1,
			scaleY: 1
		},
		upperLip: {
			x: 0,
			y: 0,
			scaleX: 1,
			scaleY: 1
		},
		lowerLip: {
			x: 0,
			y: 0,
			scaleX: 1,
			scaleY: 1
		}
	};
	// Initialize the troll face elements
	self.initialize = function (style) {
		// Clear previous elements
		self.removeAllElements();
		// Create new elements for the selected style
		self.createFaceElements(style || self.currentStyle);
	};
	// Create face elements for a specific style
	self.createFaceElements = function (style) {
		// Create head
		self.elements.head = self.attachAsset('trollHead' + style, {
			anchorX: 0.5,
			anchorY: 0.5,
			scale: 1,
			alpha: 1 // DEBUG
		});
		// Create eyes
		self.elements.leftEye = self.attachAsset('trollLeftEye' + style, {
			anchorX: 0.5,
			anchorY: 0.5,
			scale: 1
		});
		self.elements.rightEye = self.attachAsset('trollRightEye' + style, {
			anchorX: 0.5,
			anchorY: 0.5,
			scale: 1
		});
		// Create upper lip
		self.elements.upperLip = self.attachAsset('trollUpperLip' + style, {
			anchorX: 0.5,
			anchorY: 0.5,
			scale: 1
		});
		// Create lower lip
		self.elements.lowerLip = self.attachAsset('trollLowerLip' + style, {
			anchorX: 0.5,
			anchorY: 0.5,
			scale: 1
		});
	};
	// Remove all face elements
	self.removeAllElements = function () {
		if (self.elements.head) {
			self.removeChild(self.elements.head);
		}
		if (self.elements.leftEye) {
			self.removeChild(self.elements.leftEye);
		}
		if (self.elements.rightEye) {
			self.removeChild(self.elements.rightEye);
		}
		if (self.elements.upperLip) {
			self.removeChild(self.elements.upperLip);
		}
		if (self.elements.lowerLip) {
			self.removeChild(self.elements.lowerLip);
		}
	};
	// Change to the next troll face style
	self.nextStyle = function (forcedStyle) {
		self.currentStyle = forcedStyle || self.currentStyle % 3 + 1;
		self.initialize();
		self.currentOffsets = trollFaceOffsets[self.currentStyle - 1];
		// Calculate face scale once and reuse
		var baseScale = self.calculateFaceScale(facekit);
		// Calculate all scales upfront
		self.scales = {
			head: {
				x: baseScale * self.currentOffsets.head.sx,
				y: baseScale * self.currentOffsets.head.sy
			},
			eye: {
				x: baseScale * self.currentOffsets.leftEye.sx,
				y: baseScale * self.currentOffsets.leftEye.sy
			},
			lip: {
				x: baseScale * self.currentOffsets.upperLip.sx,
				y: baseScale * self.currentOffsets.upperLip.sy
			}
		};
		return self.currentStyle;
	};
	// Helper function to clamp a value between min and max
	self.clampPosition = function (value, min, max) {
		return Math.min(Math.max(value, min), max);
	};
	// Helper function to ensure scale is an object
	self.ensureScaleIsObject = function (element) {
		if (_typeof(element.scale) !== 'object') {
			element.scale = {
				x: 1,
				y: 1
			};
		}
	};
	// Helper function to update a face element
	self.updateFaceElement = function (elementName, x, y, scaleX, scaleY, makeVisible) {
		var element = self.elements[elementName];
		if (!element) {
			return;
		}
		// Ensure scale is an object
		self.ensureScaleIsObject(element);
		// Apply position with clamping using scaled boundaries
		var elementOffset = self.currentOffsets[elementName];
		element.x = self.clampPosition(x, elementOffset.minX * currentEyeDistance, elementOffset.maxX * currentEyeDistance);
		element.y = self.clampPosition(y, elementOffset.minY * currentEyeDistance, elementOffset.maxY * currentEyeDistance);
		// Apply scale
		element.scale.x = scaleX;
		element.scale.y = scaleY;
		// Set visibility if needed
		if (makeVisible) {
			element.visible = true;
		}
	};
	// Helper function to update all face elements
	self.updateAllFaceElements = function (kit, makeVisible, useDefaultScales) {
		var elementNames = ['head', 'leftEye', 'rightEye', 'upperLip', 'lowerLip'];
		var positions = self.positionCache;
		// Calculate positions for all elements
		positions.head.x = 0;
		positions.head.y = 0;
		positions.head.scaleX = useDefaultScales ? 1 : self.scales.head.x;
		positions.head.scaleY = useDefaultScales ? 1 : self.scales.head.y;
		// For other elements, calculate based on kit positions
		for (var i = 1; i < elementNames.length; i++) {
			var name = elementNames[i];
			var kitElement = kit[name];
			if (kitElement) {
				var scaleX, scaleY;
				// Determine which scale to use based on element type and useDefaultScales flag
				if (useDefaultScales) {
					scaleX = 1 * self.currentOffsets[name].sx;
					scaleY = 1 * self.currentOffsets[name].sy;
				} else {
					if (name === 'leftEye' || name === 'rightEye') {
						scaleX = self.scales.eye.x;
						scaleY = self.scales.eye.y;
					} else {
						scaleX = self.scales.lip.x;
						scaleY = self.scales.lip.y;
					}
				}
				// Calculate position using relative offsets scaled by eye distance
				positions[name].x = kitElement.x - self.x + self.currentOffsets[name].x * currentEyeDistance;
				positions[name].y = kitElement.y - self.y + self.currentOffsets[name].y * currentEyeDistance;
				positions[name].scaleX = scaleX;
				positions[name].scaleY = scaleY;
			}
		}
		// Update each element with calculated positions
		for (var j = 0; j < elementNames.length; j++) {
			var elemName = elementNames[j];
			if (self.elements[elemName] && positions[elemName]) {
				var pos = positions[elemName];
				self.updateFaceElement(elemName, pos.x, pos.y, pos.scaleX, pos.scaleY, makeVisible);
			}
		}
		// Handle mouth open adjustment
		if (kit.mouthOpen && self.elements.lowerLip) {
			//self.elements.lowerLip.scale.y = self.scales.lip.y * 1.5;
		}
	};
	// Update face elements to match real face
	self.updateFacePosition = function () {
		if (!facekit) {
			return;
		}
		// Recalculate scales based on the current kit
		var kit = bypassTracking ? fakeCamera : facekit;
		// Update global eye distance once per frame
		currentEyeDistance = self.getEyeDistance(kit);
		var baseScale = self.calculateFaceScale(kit);
		// Update scales
		self.scales = {
			head: {
				x: baseScale * self.currentOffsets.head.sx,
				y: baseScale * self.currentOffsets.head.sy
			},
			eye: {
				x: baseScale * self.currentOffsets.leftEye.sx,
				y: baseScale * self.currentOffsets.leftEye.sy
			},
			lip: {
				x: baseScale * self.currentOffsets.upperLip.sx,
				y: baseScale * self.currentOffsets.upperLip.sy
			}
		};
		if (bypassTracking) {
			self.x = 2048 / 2;
			self.y = 2732 / 2;
			// Use the global fakeCamera with dynamic scales
			self.updateAllFaceElements(fakeCamera, true, false);
			return;
		}
		// Update all elements with facekit - smoothing is now handled in the update function
	};
	// Calculate scale based on eye distance
	self.calculateFaceScale = function (kit) {
		return currentEyeDistance * 0.005;
	};
	// Get eye distance from kit
	self.getEyeDistance = function (kit) {
		if (kit && kit.leftEye && kit.rightEye) {
			var dx = kit.leftEye.x - kit.rightEye.x;
			var dy = kit.leftEye.y - kit.rightEye.y;
			return Math.sqrt(dx * dx + dy * dy);
		}
		return 200; // Default eye distance
	};
	return self;
});

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

/**** 
* Game Code
****/ 
/**** 
* Global Variables
****/ 
function _typeof3(o) {
	"@babel/helpers - typeof";
	return _typeof3 = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
		return typeof o;
	} : function (o) {
		return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
	}, _typeof3(o);
}
function _typeof2(o) {
	"@babel/helpers - typeof";
	return _typeof2 = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
		return typeof o;
	} : function (o) {
		return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
	}, _typeof2(o);
}
var debugMode = false; // DEBUG MODE DEBUG MODE  DEBUG MODE 
var bypassTracking = false; // Global variable to bypass face tracking
var currentEyeDistance = 200; // Global variable to store current eye distance
var smoothingFactor = 0.3; // Controls how smooth the transitions are (0-1, lower = smoother)
var smoothedFacekit = null; // Smoothed version of the facekit
var trollFaceOffsets = [{
	head: {
		x: 0,
		y: 0,
		sx: 1,
		sy: 1
	},
	leftEye: {
		x: 0.75,
		// 150/200 = 0.75
		y: 1.0,
		// 200/200 = 1.0
		sx: 0.6,
		sy: 0.6,
		minX: -1.0,
		// -200/200 = -1.0
		maxX: 1.0,
		// 200/200 = 1.0
		minY: -1.0,
		maxY: 1.0
	},
	rightEye: {
		x: 0,
		// 0/200 = 0
		y: 1.0,
		// 200/200 = 1.0
		sx: 0.6,
		sy: 0.6,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	},
	upperLip: {
		x: 0,
		// 0/200 = 0
		y: 0.15,
		// 30/200 = 0.15
		sx: 1,
		sy: 1,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	},
	lowerLip: {
		x: 0,
		// 0/200 = 0
		y: 0.65,
		// 130/200 = 0.65
		sx: 1,
		sy: 1,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	}
}, {
	head: {
		x: 0,
		y: 0,
		sx: 1,
		sy: 1
	},
	leftEye: {
		x: 0,
		y: 0.5,
		sx: 0.6,
		sy: 0.6,
		minX: 0.2,
		maxX: 0.7,
		minY: 0,
		maxY: 0.6
	},
	rightEye: {
		x: 0.1,
		y: 0.3,
		sx: 0.6,
		sy: 0.6,
		minX: -0.7,
		maxX: 0.1,
		minY: 0,
		maxY: 0.4
	},
	upperLip: {
		x: -0.2,
		y: 0.1,
		sx: 0.5,
		sy: 0.5,
		minX: -0.3,
		maxX: 0,
		minY: -1,
		maxY: 1
	},
	lowerLip: {
		x: -0.10,
		y: 0.12,
		sx: 0.2,
		sy: 0.2,
		minX: -0.2,
		maxX: 0,
		minY: 0,
		maxY: 0.8
	}
}, {
	head: {
		x: 0,
		y: 0,
		sx: 1,
		sy: 1
	},
	leftEye: {
		x: -0.275,
		// -55/200 = -0.275
		y: -1.0,
		// -200/200 = -1.0
		sx: 1,
		sy: 1,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	},
	rightEye: {
		x: -0.775,
		// -155/200 = -0.775
		y: -1.0,
		// -200/200 = -1.0
		sx: 1,
		sy: 1,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	},
	upperLip: {
		x: 0,
		// 0/200 = 0
		y: 0.16,
		// 32/200 = 0.16
		sx: 1,
		sy: 1.5,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	},
	lowerLip: {
		x: 0,
		// 0/200 = 0
		y: 0.26,
		// 52/200 = 0.26
		sx: 1,
		sy: 1.5,
		minX: -1.0,
		maxX: 1.0,
		minY: -1.0,
		maxY: 1.0
	}
}];
// Define fakeCamera globally with fixed positions for testing
var fakeCamera = {
	leftEye: {
		x: 1380,
		y: 958
	},
	rightEye: {
		x: 673,
		y: 970
	},
	upperLip: {
		x: 1027,
		y: 1610
	},
	lowerLip: {
		x: 1030,
		y: 1613
	},
	mouthOpen: false
}; // Global object for bypass tracking mode
var background;
var instructionText;
var styleText;
var trollFace;
var debugPoints;
var backgroundContainer;
var middlegroundContainer;
var foregroundContainer;
var isTrackingFace = false; // Global flag to track face detection state
var targetPosition;
var lastNosePosition = null; // Global variable to store last facekit.noseTip.x
var trackingStoppedDelay = 100;
var trackingStoppedCounter = trackingStoppedDelay;
// Create a cache for smoothing face element positions
var previousFacekit = null;
// Helper function to smooth face tracking data
function smoothFaceTracking(currentKit) {
	if (!currentKit || _typeof3(currentKit) !== 'object') {
		return null;
	}
	// If no previous kit, just use the current one
	if (!previousFacekit) {
		if (currentKit) {
			previousFacekit = JSON.parse(JSON.stringify(currentKit));
		}
		return currentKit;
	}
	// Create a smoothed copy
	var result = JSON.parse(JSON.stringify(currentKit));
	// Only smooth the x,y positions, not any other properties
	for (var key in result) {
		if (result[key] && _typeof2(result[key]) === 'object' && previousFacekit[key] && _typeof2(previousFacekit[key]) === 'object') {
			if ('x' in result[key] && 'x' in previousFacekit[key]) {
				result[key].x = previousFacekit[key].x + (currentKit[key].x - previousFacekit[key].x) * smoothingFactor;
			}
			if ('y' in result[key] && 'y' in previousFacekit[key]) {
				result[key].y = previousFacekit[key].y + (currentKit[key].y - previousFacekit[key].y) * smoothingFactor;
			}
		}
	}
	// Update previous kit for next frame
	previousFacekit = JSON.parse(JSON.stringify(result));
	return result;
}
function _typeof(o) {
	"@babel/helpers - typeof";
	return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
		return typeof o;
	} : function (o) {
		return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
	}, _typeof(o);
}
/**** 
* Game Functions
****/ 
// Handle tap anywhere on the screen to change face
game.down = function (x, y, obj) {
	// Switch to the next troll face style
	var newStyle = trollFace.nextStyle();
	// Save the current style to storage
	storage.lastTrollStyle = newStyle;
	// Update the style text
	styleText.setText('Style: ' + newStyle + '/3');
	// Play switch sound
	LK.getSound('switchTroll').play();
};
// Update function called every frame
game.update = function () {
	// If bypassing tracking
	if (bypassTracking) {
		// When bypassing tracking, position the troll face at the center and update its elements
		trollFace.updateFacePosition();
		return;
	}
	// If face tracking is working
	if (facekit && facekit.leftEye && facekit.rightEye && facekit.upperLip && facekit.lowerLip) {
		// Reset tracking stopped counter
		trackingStoppedCounter = trackingStoppedDelay;
		// Update face tracking state
		isTrackingFace = true;
		// Apply smoothing to facekit
		smoothedFacekit = smoothFaceTracking(facekit);
		// Update face position
		trollFace.updateFacePosition();
		// Update all face elements with the smoothed data
		trollFace.updateAllFaceElements(smoothedFacekit, true, false);
		trollFace.isCentered = false;
		trollFace.isCentering = false;
		// Update debug points if in debug mode
		if (debugMode && debugPoints) {
			debugPoints.update(facekit);
		}
		return;
	}
	if (!facekit || !facekit.noseTip) {
		return;
	}
	// Check if lastNosePosition is the same after trackingStoppedDelay ticks
	if (lastNosePosition === facekit.noseTip.x) {
		trackingStoppedCounter--;
		if (trackingStoppedCounter <= 0) {
			isTrackingFace = false;
			instructionText.setText("Stopped tracking");
			trackingStoppedCounter = trackingStoppedDelay; // Reset delay
		}
	} else {
		isTrackingFace = true;
		lastNosePosition = facekit.noseTip.x;
		instructionText.setText("Tracking...");
		trackingStoppedCounter = trackingStoppedDelay; // Reset delay
	}
	// Update troll face position to match real face
	if (isTrackingFace) {
		// Use the nose tip position for the face with easing
		targetPosition.x = facekit.noseTip.x;
		targetPosition.y = facekit.noseTip.y;
		trollFace.x = targetPosition.x;
		trollFace.y = targetPosition.y;
		trollFace.isTweening = true; // TEMP DEBUG
		// Apply tweening for smooth movement and wait for it to finish before starting the next
		// if (!trollFace.isTweening) {
		// 	trollFace.isTweening = true;
		// 	tween(trollFace, {
		// 		x: targetPosition.x,
		// 		y: targetPosition.y
		// 	}, {
		// 		duration: 300,
		// 		easing: tween.easeInOut,
		// 		onFinish: function onFinish() {
		// 			trollFace.isTweening = false;
		// 		}
		// 	});
		// }
		// Update face elements to match real face features
		var smoothedFacekit = smoothFaceTracking(facekit);
		trollFace.updateAllFaceElements(smoothedFacekit, true, false);
		trollFace.isCentered = false;
		trollFace.isCentering = false;
		// Update face tracking state
		if (!isTrackingFace) {
			isTrackingFace = true;
			instructionText.setText("Tracking..." + new Date());
			console.log("facekit", facekit);
		}
		//console.log("noseTip x=", facekit.noseTip.x);
	} else {
		// If face is not detected, return the face to the center
		if (!trollFace.isCentered) {
			if (trollFace.isCentering) {
				// Don't exit the update function, just skip starting a new tween
				// This allows other updates to continue	
				// Continue updating face elements during centering
				trollFace.updateFacePosition();
			} else {
				trollFace.isCentering = true;
				LK.effects.flashScreen(0xFFFFFF, 1000); // Flash screen
				tween(trollFace, {
					x: 2048 / 2,
					y: 2732 / 2
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						trollFace.isCentered = true;
						trollFace.isCentering = false;
						trollFace.updateFacePosition();
					}
				});
			}
		}
		// Update face tracking state
		if (isTrackingFace) {
			isTrackingFace = false;
			instructionText.setText("No Face found");
		}
	}
};
function initializeGame() {
	// Initialize game
	// Create containers for layering
	backgroundContainer = new Container();
	middlegroundContainer = new Container();
	foregroundContainer = new Container();
	// Add containers to game
	game.addChild(backgroundContainer);
	game.addChild(middlegroundContainer);
	game.addChild(foregroundContainer);
	// Global target position for the troll face
	targetPosition = {
		x: 2048 / 2,
		y: 2732 / 2
	};
	// Setup background
	background = LK.getAsset('whiteBackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		visible: false
	});
	backgroundContainer.addChild(background);
	// Setup UI text
	instructionText = new Text2('Tap anywhere to change troll face', {
		size: 50,
		fill: 0xFF0000
	});
	instructionText.anchor.set(0.5, 0);
	LK.gui.top.addChild(instructionText);
	instructionText.y = 1700;
	// Load the last used style from storage
	var lastStyle = storage.lastTrollStyle || 1;
	// Create the troll face
	trollFace = new TrollFace();
	trollFace.currentStyle = lastStyle;
	trollFace.initialize();
	trollFace.nextStyle(lastStyle);
	middlegroundContainer.addChild(trollFace);
	// Set the troll face position to the center of the screen
	trollFace.x = 2048 / 2;
	trollFace.y = 2732 / 2;
	// Initialize tracking state
	isTrackingFace = false;
	// Add style text
	styleText = new Text2('Style: ' + lastStyle + '/3', {
		size: 50,
		fill: 0xFF0000
	});
	styleText.anchor.set(0.5, 0);
	LK.gui.top.addChild(styleText);
	styleText.y = 120;
	// Debug mode (turn on for development, off for production)
	debugPoints = null;
	if (debugMode) {
		debugPoints = new DebugPoints();
		foregroundContainer.addChild(debugPoints);
		// Log facekit to console every second
		LK.setInterval(function () {
			console.log(facekit);
			if (facekit.lowerLip) {
				var elementOffset = trollFace.currentOffsets.lowerLip;
				var eyeDistance = trollFace.getEyeDistance(facekit);
				console.log("lowerLip y:", facekit.lowerLip.y, "minY:", elementOffset.minY * eyeDistance, "maxY:", elementOffset.maxY * eyeDistance);
			}
			instructionText.setText("le:".concat(Math.round(facekit.leftEye.x), ",").concat(Math.round(facekit.leftEye.y), " / ") + "re:".concat(Math.round(facekit.rightEye.x), ",").concat(Math.round(facekit.rightEye.y), " / ") + "ul:".concat(Math.round(facekit.upperLip.x), ",").concat(Math.round(facekit.upperLip.y), " / ") + "ll:".concat(Math.round(facekit.lowerLip.x), ",").concat(Math.round(facekit.lowerLip.y)));
		}, 1000);
	}
}
// Initialize the game
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -578,9 +578,11 @@
 		return null;
 	}
 	// If no previous kit, just use the current one
 	if (!previousFacekit) {
-		previousFacekit = JSON.parse(JSON.stringify(currentKit));
+		if (currentKit) {
+			previousFacekit = JSON.parse(JSON.stringify(currentKit));
+		}
 		return currentKit;
 	}
 	// Create a smoothed copy
 	var result = JSON.parse(JSON.stringify(currentKit));