/**** 
* Classes
****/ 
var QRCode = Container.expand(function (string) {
	var self = Container.call(this);
	// Initialize QR code properties
	self.pixelSize = 32;
	self.modules = [];
	self.string = string;
	self.countBitLength = 10;
	self.codeWord = "";
	self.size = 21;
	// Block = 8 bits
	self.maxDataBlock = 19;
	self.maxErrorBlock = 7;
	self.placePixel = function (x, y) {
		var pixel = self.attachAsset('QRCodePixel', {
			x: x * self.pixelSize,
			y: y * self.pixelSize,
			scaleX: self.pixelSize,
			scaleY: self.pixelSize,
			tint: 0
		});
		self.modules[y] = [];
		self.modules[y][x] = 1;
	};
	self.createPattern = function () {
		var size = 21; // Standard QR code size
		self.attachAsset('QRCodePositionL', {
			x: 0,
			y: 0
		});
		self.attachAsset('QRCodePositionR', {
			x: self.pixelSize * 21,
			y: 0,
			anchorX: 1
		});
		self.attachAsset('QRCodePositionB', {
			x: 0,
			y: self.pixelSize * 21,
			anchorY: 1
		});
		self.placePixel(8, self.size - 8);
		// timing pattern
		for (var i = 8; i <= self.size - 8; i += 2) {
			self.placePixel(i, 6);
			self.placePixel(6, i);
		}
		for (var i = 0; i < self.codeWord.length; i++) {
			//TODO: draw the data to the qr code
		}
	};
	// Encode numeric data method
	self.encodeNumeric = function () {
		// Split into groups of 3 digits
		var groups = [];
		for (var i = 0; i < self.string.length; i += 3) {
			var group = self.string.substr(i, Math.min(3, self.string.length - i));
			groups.push(group);
		}
		console.log("Groups of 3: " + groups.join(", "));
		// Convert each group to binary
		var binaryGroups = [];
		for (var j = 0; j < groups.length; j++) {
			var num = parseInt(groups[j], 10);
			var bitLength;
			// Determine bit length based on group size
			if (groups[j].length === 3) {
				bitLength = 10; // 3 digits need 10 bits (0-999)
			} else if (groups[j].length === 2) {
				bitLength = 7; // 2 digits need 7 bits (0-99)
			} else {
				bitLength = 4; // 1 digit needs 4 bits (0-9)
			}
			// Convert to binary with proper padding
			var binary = num.toString(2);
			while (binary.length < bitLength) {
				binary = "0" + binary;
			}
			binaryGroups.push(binary);
			console.log("Group '" + groups[j] + "' -> " + num + " -> " + binary + " (" + bitLength + " bits)");
		}
		console.log("Message Binary: " + binaryGroups.join(" ") + " (" + binaryGroups.join("").length + " bits)");
		self.codeWord += "0001";
		var binary = string.length.toString(2);
		// Convert to binary with proper padding
		while (binary.length < self.countBitLength) {
			binary = "0" + binary;
		}
		self.codeWord += binary;
		self.codeWord += binaryGroups.join("");
		self.codeWord += "0000"; // Terminator
		// Add byte padding
		var currentBytes = self.codeWord.length / 8;
		var bytesNeeded = self.maxDataBlock - currentBytes;
		// Pad to byte boundary first
		var bitsToNextByte = self.codeWord.length % 8;
		if (bitsToNextByte > 0) {
			var padBits = 8 - bitsToNextByte;
			for (var p = 0; p < padBits; p++) {
				self.codeWord += "0";
			}
		}
		console.log("codeWord: " + self.codeWord + " (" + self.codeWord.length / 8 + " bytes)");
		// Add alternating padding bytes (11101100 and 00010001)
		var paddingBytes = ["11101100", "00010001"];
		var paddingIndex = 0;
		while (self.codeWord.length / 8 < self.maxDataBlock) {
			self.codeWord += paddingBytes[paddingIndex];
			paddingIndex = (paddingIndex + 1) % 2;
		}
		console.log("codeWord with padding: " + self.codeWord);
		// Convert to hexadecimal and split into bytes
		var hexBytes = [];
		for (var i = 0; i < self.codeWord.length; i += 8) {
			var _byte = self.codeWord.substr(i, 8);
			var hexValue = parseInt(_byte, 2).toString(16).toUpperCase();
			if (hexValue.length === 1) {
				hexValue = "0" + hexValue;
			}
			hexBytes.push(hexValue);
		}
		console.log("codeWord in hex bytes: " + hexBytes.join(" "));
	};
	self.encodeNumeric();
	self.createPattern();
	return self;
});

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

/**** 
* Game Code
****/ 
// Create QR code container
var qrCode = new QRCode("8675309");
qrCode.x = (2048 - qrCode.width) / 2;
qrCode.y = (2732 - qrCode.height) / 2;
game.addChild(qrCode);

===================================================================
--- original.js
+++ change.js
@@ -99,17 +99,29 @@
 			var padBits = 8 - bitsToNextByte;
 			for (var p = 0; p < padBits; p++) {
 				self.codeWord += "0";
 			}
-			console.log("codeWord: " + self.codeWord + " (" + self.codeWord.length / 8 + " bytes)");
 		}
+		console.log("codeWord: " + self.codeWord + " (" + self.codeWord.length / 8 + " bytes)");
 		// Add alternating padding bytes (11101100 and 00010001)
 		var paddingBytes = ["11101100", "00010001"];
 		var paddingIndex = 0;
 		while (self.codeWord.length / 8 < self.maxDataBlock) {
 			self.codeWord += paddingBytes[paddingIndex];
 			paddingIndex = (paddingIndex + 1) % 2;
 		}
+		console.log("codeWord with padding: " + self.codeWord);
+		// Convert to hexadecimal and split into bytes
+		var hexBytes = [];
+		for (var i = 0; i < self.codeWord.length; i += 8) {
+			var _byte = self.codeWord.substr(i, 8);
+			var hexValue = parseInt(_byte, 2).toString(16).toUpperCase();
+			if (hexValue.length === 1) {
+				hexValue = "0" + hexValue;
+			}
+			hexBytes.push(hexValue);
+		}
+		console.log("codeWord in hex bytes: " + hexBytes.join(" "));
 	};
 	self.encodeNumeric();
 	self.createPattern();
 	return self;