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

/**** 
* Classes
****/ 
/***********************************************************************************/ 
/********************************** BACKGROUND MANAGER CLASS ***********************/
/***********************************************************************************/ 
var BackgroundManager = Container.expand(function () {
	var self = Container.call(this);
	// Create three background instances for smoother tunnel effect
	self.bg1 = self.attachAsset('background01', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366,
		scaleX: 1.5,
		scaleY: 1.5,
		alpha: 1
	});
	self.bg2 = self.attachAsset('background01', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366,
		scaleX: 1,
		scaleY: 1,
		alpha: 1
	});
	self.bg3 = self.attachAsset('background01', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366,
		scaleX: 0.5,
		scaleY: 0.5,
		alpha: 1
	});
	// Apply different tints in debug mode
	if (isDebug) {
		self.bg1.tint = 0xFF0000; // Red tint for first background
		self.bg2.tint = 0x00FF00; // Green tint for second background
		self.bg3.tint = 0x0000FF; // Blue tint for third background
	}
	// Animation properties
	self.animationDuration = 2000; // Duration for one background transition in ms
	self.currentIndex = 0; // Track current animation cycle
	self.backgrounds = [self.bg1, self.bg2, self.bg3];
	// Start the tunnel animation loop
	self.startAnimation = function () {
		// Animation durations for each background to simulate 3D tunnel speed
		// Far (bg3, scale 0.5->1): slowest, Middle (bg2, scale 1->1.5): medium, Close (bg1, scale 1.5->2): fastest
		var durations = [self.animationDuration * 2.0,
		// bg3: far, slowest
		self.animationDuration * 1.2,
		// bg2: middle, medium
		self.animationDuration * 0.8 // bg1: close, fastest
		];
		// Assign backgrounds to their animation phase based on currentIndex
		// bgOrder[0]: close (scaling 1.5->2), bgOrder[1]: middle (1->1.5), bgOrder[2]: far (0.5->1)
		var bgOrder = [self.backgrounds[self.currentIndex], self.backgrounds[(self.currentIndex + 1) % 3], self.backgrounds[(self.currentIndex + 2) % 3]];
		// Animate close background (scaling 1.5->2, fade out, fastest)
		tween(bgOrder[0], {
			scaleX: 2,
			scaleY: 2,
			alpha: 1
		}, {
			duration: durations[2],
			easing: tween.linear
		});
		// Animate middle background (scaling 1->1.5, alpha stays 1, medium)
		tween(bgOrder[1], {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 1
		}, {
			duration: durations[1],
			easing: tween.linear
		});
		// Animate far background (scaling 0.5->1, alpha stays 1, slowest)
		tween(bgOrder[2], {
			scaleX: 1,
			scaleY: 1,
			alpha: 1
		}, {
			duration: durations[0],
			easing: tween.linear
		});
		// Schedule next animation cycle after the fastest (close) background finishes
		tween(self, {}, {
			duration: durations[2],
			onFinish: function onFinish() {
				// Reset the background that just finished scaling to 2
				var bgToReset = bgOrder[0];
				bgToReset.scaleX = 0.5;
				bgToReset.scaleY = 0.5;
				bgToReset.alpha = 1;
				// Move to next cycle
				self.currentIndex = (self.currentIndex + 1) % 3;
				// Start next animation
				self.startAnimation();
			}
		});
	};
	// Start the animation when manager is created
	self.startAnimation();
	// Update method - no longer needed for animation but kept for compatibility
	self.update = function () {
		// Animation is handled by tween, nothing to update here
	};
	return self;
});
/***********************************************************************************/ 
/********************************** CUBE CLASS ************************************/
/***********************************************************************************/ 
var Cube = Container.expand(function (wRatio, hRatio, dRatio) {
	var self = Container.call(this);
	wRatio = wRatio || 1;
	hRatio = hRatio || 1;
	dRatio = dRatio || 1;
	self.z = 0;
	self.baseSize = 100;
	// Initialize cube faces using SimpleFace class
	self.frontFace = new SimpleFace({
		w: self.baseSize * wRatio,
		h: self.baseSize * hRatio,
		d: self.baseSize,
		dx: 0,
		dy: 0,
		dz: 1 * dRatio,
		rx: 0,
		ry: 0,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.backFace = new SimpleFace({
		w: self.baseSize * wRatio,
		h: self.baseSize * hRatio,
		d: self.baseSize,
		dx: 0,
		dy: 0,
		dz: -1 * dRatio,
		rx: Math.PI,
		ry: 0,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.leftFace = new SimpleFace({
		w: self.baseSize * dRatio,
		h: self.baseSize * hRatio,
		d: self.baseSize,
		dx: -1 * wRatio / dRatio,
		dy: 0,
		dz: 0,
		rx: 0,
		ry: Math.PI / 2,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.rightFace = new SimpleFace({
		w: self.baseSize * dRatio,
		h: self.baseSize * hRatio,
		d: self.baseSize,
		dx: 1 * wRatio / dRatio,
		dy: 0,
		dz: 0,
		rx: 0,
		ry: -Math.PI * 0.5,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.topFace = new SimpleFace({
		w: self.baseSize * wRatio,
		h: self.baseSize * dRatio,
		d: self.baseSize,
		dx: 0,
		dy: -1 * hRatio / dRatio,
		dz: 0,
		rx: -Math.PI / 2,
		ry: 0,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.bottomFace = new SimpleFace({
		w: self.baseSize * wRatio,
		h: self.baseSize * dRatio,
		d: self.baseSize,
		dx: 0,
		dy: 1 * hRatio / dRatio,
		dz: 0,
		rx: Math.PI / 2,
		ry: 0,
		rz: 0,
		ti: 0xFFFFFF
	});
	self.faces = [self.frontFace, self.backFace, self.leftFace, self.rightFace, self.topFace, self.bottomFace];
	self.faces.forEach(function (face) {
		self.addChild(face);
	});
	self.speedX = 0;
	self.speedY = 0;
	self.speedZ = 0;
	// Rotate cube around its axes
	self.rotate3D = function (angleX, angleY, angleZ) {
		log("cube rotate3D ");
		self.rotation = angleZ;
		var zScaleFactor = 1 + self.z / 500;
		self.faces.forEach(function (face) {
			face.rotate3D(angleX, angleY, angleZ, zScaleFactor);
		});
	};
});
/***********************************************************************************/ 
/********************************** CUBE MANAGER CLASS *****************************/
/***********************************************************************************/ 
var CubeManager = Container.expand(function () {
	var self = Container.call(this);
	// Array to hold all managed cubes
	self.cubes = [];
	// Configuration for spawning
	self.maxCubes = 3; // Maximum number of cubes
	// Spawn all cubes at once
	self.spawnAllCubes = function () {
		// Calculate spacing for equal distribution
		var screenWidth = 2048;
		var cubeSpacing = screenWidth / (self.maxCubes + 1); // Divide screen into equal sections
		var verticalCenter = 2732 / 2; // Vertical center of the screen
		// Prepare color assignment: one cube gets currentColor, others get two different neon colors (not currentColor)
		var colorIndices = [];
		for (var c = 0; c < neonColors.length; c++) {
			if (neonColors[c] !== currentColor) {
				colorIndices.push(c);
			}
		}
		// Shuffle colorIndices to randomize which two colors are picked for the other cubes
		for (var s = colorIndices.length - 1; s > 0; s--) {
			var j = Math.floor(Math.random() * (s + 1));
			var temp = colorIndices[s];
			colorIndices[s] = colorIndices[j];
			colorIndices[j] = temp;
		}
		var cubeColors = [currentColor, neonColors[colorIndices[0]], neonColors[colorIndices[1]]];
		// Shuffle cubeColors so currentColor is not always in the same position
		for (var s2 = cubeColors.length - 1; s2 > 0; s2--) {
			var j2 = Math.floor(Math.random() * (s2 + 1));
			var temp2 = cubeColors[s2];
			cubeColors[s2] = cubeColors[j2];
			cubeColors[j2] = temp2;
		}
		for (var i = 0; i < self.maxCubes; i++) {
			// Create a new cube with equal dimensions (true cube, not rectangle)
			var cube = new Cube(1, 1, 1);
			// Set position - equally distributed horizontally at vertical center
			cube.x = cubeSpacing * (i + 1); // Distribute equally across the screen
			cube.y = verticalCenter;
			cube.z = 0; // Keep all cubes at same Z position
			// Set speeds to zero so cubes don't move
			cube.speedX = 0;
			cube.speedY = 0;
			cube.speedZ = 0;
			// Set random initial rotation
			cube.rotate3D(Math.random() * Math.PI * 2, Math.random() * Math.PI * 2, Math.random() * Math.PI * 2);
			// Assign color: one cube gets currentColor, others get two different neon colors
			var assignedTint = cubeColors[i % cubeColors.length];
			cube.faces.forEach(function (face) {
				face.tint = assignedTint;
			});
			// Add cube to the manager and the game
			self.cubes.push(cube);
			self.addChild(cube);
		}
	};
	// Remove a cube from management
	self.removeCube = function (cube) {
		var index = self.cubes.indexOf(cube);
		if (index > -1) {
			self.cubes.splice(index, 1);
			cube.destroy();
		}
	};
	// Update all managed cubes
	self.updateCubes = function () {
		for (var i = self.cubes.length - 1; i >= 0; i--) {
			var cube = self.cubes[i];
			// Cubes don't move, so no position updates needed
			// Rotate cube
			cube.rotate3D(Math.PI * 0.01, Math.PI * 0.01, Math.PI * 0.01);
		}
	};
	// Initialize by spawning all cubes at once
	self.spawnAllCubes();
	// Update method called by the game loop
	self.update = function () {
		self.updateCubes();
	};
	return self;
});
/***********************************************************************************/ 
/******************************* FACE CLASS *********************************/
/***********************************************************************************/ 
var Face = Container.expand(function (options) {
	var self = Container.call(this);
	options = options || {};
	var points = Math.max(2, Math.min(100, options.points || 4)); // Ensure points are between 2 and 10
	self.baseSize = 100;
	self.w = options.w || self.baseSize;
	self.h = options.h || self.baseSize;
	self.d = options.d || self.baseSize;
	self.dx = options.dx || 0;
	self.dy = options.dy || 0;
	self.dz = options.dz || 0;
	self.rx = options.rx || 0;
	self.ry = options.ry || 0;
	self.rz = options.rz || 0;
	self.tint = options.ti || 0xFFFFFF;
	// Generate points for the face based on the number of points specified
	self.baseFaceCoordinates = [];
	for (var i = 0; i < points; i++) {
		var angle = 2 * Math.PI * (i / points);
		self.baseFaceCoordinates.push({
			x: self.w / 2 * Math.cos(angle) + self.dx * self.w,
			y: self.h / 2 * Math.sin(angle) + self.dy * self.h,
			z: self.dz * self.d
		});
	}
	self.baseFaceCoordinates.forEach(function (point) {
		// Update z of each face point coordinates depending on dz and rx, ry
		point.z += self.dz * Math.cos(self.rx) * Math.cos(self.ry);
	});
	// Create a polygon face using the Shape class
	self.face = new Shape(self.baseFaceCoordinates, self.tint);
	// Attach the face to the Face container
	self.addChild(self.face);
	// Rotate in 3D: X = roasting chicken / Y = whirling dervish / Z = wheel of Fortune
	self.rotate3D = function (angleX, angleY, angleZ, scale) {
		scale = scale || 1;
		self.faceCoordinates = self.baseFaceCoordinates.map(function (coord) {
			var x = coord.x - self.dx * self.w,
				y = coord.y - self.dy * self.h,
				z = coord.z - self.dz * self.d;
			// Apply initial rotations (rx, ry, rz)
			var newY = y * Math.cos(self.rx) - z * Math.sin(self.rx);
			var newZ = y * Math.sin(self.rx) + z * Math.cos(self.rx);
			var newX = x * Math.cos(self.ry) + newZ * Math.sin(self.ry);
			newZ = -x * Math.sin(self.ry) + newZ * Math.cos(self.ry);
			x = newX * Math.cos(self.rz) - newY * Math.sin(self.rz);
			y = newX * Math.sin(self.rz) + newY * Math.cos(self.rz);
			// Apply X-axis rotation
			newY = y * Math.cos(angleX) - newZ * Math.sin(angleX);
			newZ = y * Math.sin(angleX) + newZ * Math.cos(angleX);
			// Apply Y-axis rotation
			newX = x * Math.cos(angleY) + newZ * Math.sin(angleY);
			newZ = -x * Math.sin(angleY) + newZ * Math.cos(angleY);
			// Apply Z-axis rotation
			x = newX * Math.cos(angleZ) - newY * Math.sin(angleZ);
			y = newX * Math.sin(angleZ) + newY * Math.cos(angleZ);
			return {
				x: (x + self.dx * self.w) * scale,
				y: (y + self.dy * self.h) * scale,
				z: (newZ + self.dz * self.d) * scale
			};
		});
		self.face.updateCoordinates(self.faceCoordinates);
	};
	// Initialize face in 3D space
	self.rotate3D(0, 0, 0, 1);
});
/***********************************************************************************/ 
/********************************** SHAPE CLASS ************************************/
/***********************************************************************************/ 
var Shape = Container.expand(function (coordinates, tint) {
	var self = Container.call(this);
	self.polygon = drawPolygon(coordinates, tint); // Function to create a polygon from a list of coordinates
	self.tint = tint;
	self.attachLines = function () {
		// Iterate through each line in the polygon and attach it to the shape
		self.polygon.forEach(function (line) {
			self.addChild(line);
		});
	};
	self.attachLines();
	self.updateCoordinates = function (newCoordinates) {
		log("Shape updateCoordinates ", newCoordinates);
		// Ensure newCoordinates is an array and has the same length as the current polygon
		if (!Array.isArray(newCoordinates) || newCoordinates.length !== self.polygon.length) {
			error("Invalid newCoordinates length");
			return;
		}
		// Update each line in the polygon with new coordinates
		self.polygon = updatePolygon(self.polygon, newCoordinates);
	};
});
/***********************************************************************************/ 
/******************************* SIMPLE FACE CLASS *********************************/
/***********************************************************************************/ 
var SimpleFace = Container.expand(function (options) {
	var self = Container.call(this);
	log("SimpleFAce init options =", options);
	self.baseSize = 100;
	options = options || {};
	self.w = options.w || self.baseSize;
	self.h = options.h || self.baseSize;
	self.d = options.d || self.baseSize;
	self.dx = options.dx || 0;
	self.dy = options.dy || 0;
	self.dz = options.dz || 0;
	self.rx = options.rx || 0;
	self.ry = options.ry || 0;
	self.rz = options.rz || 0;
	self.tint = options.ti || 0xFFFFFF;
	// Define faceCoordinates property
	self.baseFaceCoordinates = [{
		x: -self.w + self.dx * self.w,
		y: -self.h + self.dy * self.h,
		z: self.dz * self.d
	},
	// Top-left
	{
		x: self.w + self.dx * self.w,
		y: -self.h + self.dy * self.h,
		z: self.dz * self.d
	},
	// Top-right
	{
		x: self.w + self.dx * self.w,
		y: self.h + self.dy * self.h,
		z: self.dz * self.d
	},
	// Bottom-right
	{
		x: -self.w + self.dx * self.w,
		y: self.h + self.dy * self.h,
		z: self.dz * self.d
	} // Bottom-left
	];
	log("SimpleFAce ready to init ...", self.baseFaceCoordinates, "DX=" + self.dx);
	self.baseFaceCoordinates.forEach(function (point) {
		// Update z of each face point coordinates depending on dz and rx, ry
		point.z += self.dz * Math.cos(self.rx) * Math.cos(self.ry);
	});
	// Create a square face using the Shape class
	self.face = new Shape(self.baseFaceCoordinates, self.tint);
	// Attach the face to the SimpleFace container
	self.addChild(self.face);
	// Rotate in 3d : X = roasting chicken / Y = whirling dervish / Z = wheel of Fortune
	self.rotate3D = function (angleX, angleY, angleZ, scale) {
		scale = scale || 1;
		log("SimpleFace rotate3D old coord=", self.faceCoordinates, Date.now());
		self.faceCoordinates = self.baseFaceCoordinates.map(function (coord) {
			return {
				x: coord.x,
				y: coord.y,
				z: coord.z
			};
		});
		// Apply rotation around X-axis
		// Adjust initial rotation parameters before applying new rotations
		self.faceCoordinates = self.faceCoordinates.map(function (coord) {
			// Apply initial rotation around Z-axis
			var xZ = coord.x * Math.cos(self.rz) - coord.y * Math.sin(self.rz);
			var yZ = coord.x * Math.sin(self.rz) + coord.y * Math.cos(self.rz);
			// Apply initial rotation around Y-axis
			var xY = xZ * Math.cos(self.ry) + coord.z * Math.sin(self.ry);
			var zY = coord.z * Math.cos(self.ry) - xZ * Math.sin(self.ry);
			// Apply initial rotation around X-axis
			var yX = yZ * Math.cos(self.rx) - zY * Math.sin(self.rx);
			var zX = yZ * Math.sin(self.rx) + zY * Math.cos(self.rx);
			return {
				x: xY,
				y: yX,
				z: zX
			};
		});
		// Apply new rotations
		// Calculate center of the face
		var centerX = self.faceCoordinates.reduce(function (acc, coord) {
			return acc + coord.x;
		}, 0) / self.faceCoordinates.length;
		var centerY = self.faceCoordinates.reduce(function (acc, coord) {
			return acc + coord.y;
		}, 0) / self.faceCoordinates.length;
		var centerZ = self.faceCoordinates.reduce(function (acc, coord) {
			return acc + coord.z;
		}, 0) / self.faceCoordinates.length;
		self.faceCoordinates = self.faceCoordinates.map(function (coord) {
			// Translate coordinates to rotate around the center including dy and dz adjustment
			var translatedY = (coord.y + self.dy * self.h - centerY) * Math.cos(angleX) - (coord.z + self.dz * self.d - centerZ) * Math.sin(angleX);
			var translatedZ = (coord.y + self.dy * self.h - centerY) * Math.sin(angleX) + (coord.z + self.dz * self.d - centerZ) * Math.cos(angleX);
			return {
				x: coord.x + self.dx * self.w - centerX,
				// Keep X unchanged but translate to rotate around center
				y: translatedY + centerY,
				z: translatedZ + centerZ
			};
		});
		self.faceCoordinates = self.faceCoordinates.map(function (coord) {
			var translatedX = (coord.z - centerZ) * Math.sin(angleY) + (coord.x - centerX) * Math.cos(angleY);
			var translatedZ = (coord.z - centerZ) * Math.cos(angleY) - (coord.x - centerX) * Math.sin(angleY);
			return {
				x: translatedX + centerX,
				y: coord.y,
				// Keep Y unchanged
				z: translatedZ + centerZ
			};
		});
		self.faceCoordinates = self.faceCoordinates.map(function (coord) {
			return {
				x: coord.x * scale,
				y: coord.y * scale,
				z: coord.z * scale
			};
		});
		log("SimpleFace rotate3D new coord=", self.faceCoordinates, Date.now());
		self.face.updateCoordinates(self.faceCoordinates);
	};
	// initialize face in 3D space
	self.rotate3D(0, 0, 0, 1);
	log("SimpleFace end init coord=", self.baseFaceCoordinates, Date.now());
});
/***********************************************************************************/ 
/********************************** SPHERE CLASS ***********************************/
/***********************************************************************************/ 
var Sphere = Container.expand(function () {
	var self = Container.call(this);
	self.z = 0;
	self.radius = 100; // Sphere radius
	// Initialize sphere as a collection of Face instances to simulate a 3D sphere
	self.faces = [];
	var segments = 5; // Number of segments to simulate the sphere
	for (var i = 0; i < segments; i++) {
		var angle = 2 * Math.PI / segments;
		// Create a circular segment as a face of the sphere
		var face = new Face({
			points: 22,
			w: self.radius * 2,
			h: self.radius * 2,
			d: self.radius * 2,
			dx: 0,
			dy: 0,
			dz: 0,
			rx: 0,
			ry: i * angle,
			rz: 0,
			ti: currentColor // Use currentColor for sphere tint
		});
		self.faces.push(face);
		self.addChild(face);
	}
	self.speedX = 0;
	self.speedY = 0;
	self.speedZ = 0;
	// Rotate sphere around its axes
	self.rotate3D = function (angleX, angleY, angleZ) {
		log("sphere rotate3D ", angleX, angleY, angleZ);
		self.rotation = angleZ;
		var zScaleFactor = 1 + self.z / 500;
		for (var i = 0; i < self.faces.length; i++) {
			self.faces[i].rotate3D(angleX, angleY, angleZ, zScaleFactor);
		}
	};
	self.rotate3D(Math.PI * 0.5, Math.PI * 0.5, 0);
});

/**** 
* Initialize Game
****/ 
// Utility function to draw a polygon using drawLine
var game = new LK.Game({
	backgroundColor: 0x000050 // Initialize game with a black background
});

/**** 
* Game Code
****/ 
// Global array of 6 neon colors
var neonColors = [0x39FF14,
// Neon Green
0xFF073A,
// Neon Red
0x00FFFF,
// Neon Cyan
0xF3F315,
// Neon Yellow
0xFF61F6,
// Neon Pink
0xFF9900 // Neon Orange
];
// Global currentColor, set to a random neon color
var currentColor = neonColors[Math.floor(Math.random() * neonColors.length)];
/***********************************************************************************/ 
/******************************* UTILITY FUNCTIONS *********************************/
/***********************************************************************************/ 
function drawPolygon(coordinates, tint) {
	log("drawPolygon ", coordinates);
	var lines = [];
	for (var i = 0; i < coordinates.length; i++) {
		var startPoint = coordinates[i];
		var endPoint = coordinates[(i + 1) % coordinates.length]; // Loop back to the first point
		var line = drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y, tint);
		lines.push(line);
	}
	return lines;
}
function updatePolygon(lines, newCoordinates, scale) {
	log("updatePolygon ", lines, scale);
	// Ensure lines and newCoordinates have the same length
	if (lines.length !== newCoordinates.length) {
		error("updatePolygon error: lines and newCoordinates length mismatch");
		return lines;
	}
	// Update each line with new coordinates
	for (var i = 0; i < lines.length; i++) {
		var startPoint = newCoordinates[i];
		var endPoint = newCoordinates[(i + 1) % newCoordinates.length]; // Loop back to the first point for the last line
		updateLine(lines[i], startPoint.x, startPoint.y, endPoint.x, endPoint.y, scale);
	}
	return lines;
}
// Utility function to draw lines between two points
function drawLine(x1, y1, x2, y2, tint) {
	log("drawLine ", x1, y1);
	var line = LK.getAsset('line', {
		anchorX: 0.0,
		anchorY: 0.0,
		x: x1,
		y: y1,
		tint: tint
	});
	line.startX = x1;
	line.startY = y1;
	line.endX = x2;
	line.endY = y2;
	// Calculate the distance between the two points
	var distance = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
	// Set the width of the line to the distance between the points
	line.width = distance;
	// Calculate the angle between the two points
	var angle = Math.atan2(y2 - y1, x2 - x1);
	// Correct angle calculation for all quadrants
	line.rotation = angle;
	return line;
}
// Utility function to draw lines between two points
function updateLine(line, newX1, newY1, newX2, newY2, scale) {
	log("updateLine ", line);
	scale = scale === undefined ? 1 : scale;
	// Calculate midpoint of the original line
	var midX = (newX1 + newX2) / 2;
	var midY = (newY1 + newY2) / 2;
	// Adjust start and end points based on scale
	newX1 = midX + (newX1 - midX) * scale;
	newY1 = midY + (newY1 - midY) * scale;
	newX2 = midX + (newX2 - midX) * scale;
	newY2 = midY + (newY2 - midY) * scale;
	// Update line start and end coordinates after scaling
	line.x = newX1;
	line.y = newY1;
	line.startX = newX1;
	line.startY = newY1;
	line.endX = newX2;
	line.endY = newY2;
	// Recalculate the distance between the new scaled points
	var distance = Math.sqrt(Math.pow(newX2 - newX1, 2) + Math.pow(newY2 - newY1, 2));
	// Update the width of the line to the new distance
	line.width = distance;
	// Recalculate the angle between the new points
	var angle = Math.atan2(newY2 - newY1, newX2 - newX1);
	// Update the rotation of the line to the new angle
	line.rotation = angle;
	return line;
}
function log() {
	if (isDebug) {
		console.log(arguments);
	}
}
/***********************************************************************************/ 
/******************************* GAME VARIABLES*********************************/
/***********************************************************************************/ 
var cube;
var sphere;
var face1;
var face2;
var face3;
var rotationSpeedX = 0;
var rotationSpeedY = 0;
var rotationSpeedZ = 0;
var isDebug = true;
var fullLog = [];
var fpsText;
var lastTick;
var frameCount;
var debugText;
var cubeManager;
var isDraggingSphere = false;
var sphereDragOffset = 0;
var backgroundManager;
/***********************************************************************************/ 
/***************************** GAME INITIALIZATION *********************************/
/***********************************************************************************/ 
function gameInitialize() {
	// Initialize background manager first (so it's behind other elements)
	backgroundManager = new BackgroundManager();
	game.addChild(backgroundManager);
	cube = new Cube(1, 1, 1);
	cube.x = 2048 * 0.5; // Center horizontally
	cube.y = 2732 / 2; // Center vertically
	cube.z = 0;
	cube.visible = false;
	game.addChild(cube);
	cube.rotate3D(Math.PI * 0.125, -Math.PI * 0.125, 0);
	sphere = new Sphere();
	sphere.x = 1024; // Starting position at center
	sphere.y = 2000; // Starting y position (adjusted to match the goal)
	sphere.z = 0;
	// Set speeds to zero to stop movement
	sphere.speedX = 0;
	sphere.speedY = 0;
	sphere.speedZ = 0;
	game.addChild(sphere);
	// Initialize cube manager
	cubeManager = new CubeManager();
	game.addChild(cubeManager);
	if (isDebug) {
		var debugMarker = LK.getAsset('debugMarker', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 * 0.5,
			y: 2732 / 2
		});
		game.addChild(debugMarker);
		fpsText = new Text2('FPS: 0', {
			size: 50,
			fill: 0xFFFFFF
		});
		// Position FPS text at the bottom-right corner
		fpsText.anchor.set(1, 1); // Anchor to the bottom-right
		LK.gui.bottomRight.addChild(fpsText);
		// Update FPS display every second
		lastTick = Date.now();
		frameCount = 0;
		// Debug text to display cube information
		debugText = new Text2('Debug Info', {
			size: 50,
			fill: 0xFFFFFF
		});
		debugText.anchor.set(0.5, 0); // Anchor to the bottom-right
		LK.gui.top.addChild(debugText);
	}
}
/***********************************************************************************/ 
/******************************** MAIN GAME LOOP ***********************************/
/***********************************************************************************/ 
game.update = function () {
	// Rotate simpleFace in 3D on each game update
	rotationSpeedX += 1 * Math.PI * 0.125 * 0.02;
	rotationSpeedY += 1 * Math.PI * 0.125 * 0.02;
	rotationSpeedZ += 1 * Math.PI * 0.125 * 0.02;
	// Original cube movement commented out - now handled by cubeManager
	// cube.x += cube.speedX;
	// cube.y += cube.speedY;
	// cube.z += cube.speedZ;
	// if (cube.x <= 100 || cube.x >= 2048 - 100) {
	//     cube.speedX *= -1;
	// }
	// if (cube.z <= -250 || cube.z >= 1000) {
	//     cube.speedZ *= -1;
	// }
	// if (cube.y <= 100 || cube.y >= 2732 - 100) {
	//     cube.speedY *= -1;
	// }
	// Sphere is now static - no movement or rotation
	if (isDebug) {
		debugText.setText("X: " + Math.round(cube.x) + ", Y: " + Math.round(cube.y) + ", Z: " + Math.round(cube.z) + ", R: " + cube.rotation.toFixed(2));
		// FPS
		var now = Date.now();
		frameCount++;
		if (now - lastTick >= 1000) {
			// Update every second
			fpsText.setText('FPS: ' + frameCount);
			frameCount = 0;
			lastTick = now;
		}
	}
	// Update cube manager
	cubeManager.update();
	// Update background manager
	backgroundManager.update();
};
// Add game event handlers for sphere control
game.down = function (x, y, obj) {
	// Check if the touch/click is near the sphere
	var touchX = x;
	var touchY = y;
	// Check if touch is within sphere bounds (with some tolerance)
	var sphereBounds = 150; // Tolerance area around sphere
	if (Math.abs(touchX - sphere.x) < sphereBounds && Math.abs(touchY - sphere.y) < sphereBounds) {
		isDraggingSphere = true;
		sphereDragOffset = touchX - sphere.x;
	}
};
game.move = function (x, y, obj) {
	if (isDraggingSphere) {
		// Calculate normalized position (0 to 1) based on touch x position
		var touchX = x - sphereDragOffset;
		var normalizedX = (touchX - 100) / (1948 - 100); // Map touch position to 0-1 range
		normalizedX = Math.max(0, Math.min(1, normalizedX)); // Clamp to 0-1
		// Calculate angle for half-circle (PI to 0, left to right)
		var angle = Math.PI * (1 - normalizedX);
		// Calculate position on the ellipse/half-circle
		// Center of the ellipse path
		var centerX = 1024;
		var centerY = 1366;
		// Radii for the ellipse
		var radiusX = 924; // Half of (1948 - 100) to reach edges
		var radiusY = 634; // Distance from center to starting position (2000 - 1366)
		// Calculate new position
		sphere.x = centerX + radiusX * Math.cos(angle);
		sphere.y = centerY + radiusY * Math.sin(angle);
		// Apply rotation to simulate 3D perspective
		var rotationAngle = (normalizedX - 0.5) * Math.PI * 0.5; // Rotate based on position
		sphere.rotate3D(Math.PI * 0.5, Math.PI * 0.5 + rotationAngle, 0);
	}
};
game.up = function (x, y, obj) {
	isDraggingSphere = false;
};
gameInitialize(); // Initialize the game;

===================================================================
--- original.js
+++ change.js
@@ -65,9 +65,9 @@
 		// Animate close background (scaling 1.5->2, fade out, fastest)
 		tween(bgOrder[0], {
 			scaleX: 2,
 			scaleY: 2,
-			alpha: 0
+			alpha: 1
 		}, {
 			duration: durations[2],
 			easing: tween.linear
 		});