/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var DeleteButton = Container.expand(function () { var self = Container.call(this); var background = self.attachAsset('numberButton', { anchorX: 0.5, anchorY: 0.5 }); var deleteText = new Text2('CLEAR', { size: 35, fill: 0x333333 }); deleteText.anchor.set(0.5, 0.5); self.addChild(deleteText); self.down = function (x, y, obj) { if (selectedCell && !selectedCell.isInitial && selectedCell.value > 0) { selectedCell.setValue(0); checkForErrors(); LK.getSound('select').play(); } }; return self; }); var HintButton = Container.expand(function () { var self = Container.call(this); var background = self.attachAsset('hintButton', { anchorX: 0.5, anchorY: 0.5 }); var hintText = new Text2('HINT', { size: 40, fill: 0x333333 }); hintText.anchor.set(0.5, 0.5); self.addChild(hintText); self.down = function (x, y, obj) { if (selectedCell && !selectedCell.isInitial && selectedCell.value === 0) { var correctValue = getCorrectValueForCell(selectedCell.row, selectedCell.col); selectedCell.setValue(correctValue); checkWinCondition(); LK.getSound('correct').play(); } }; return self; }); var NumberButton = Container.expand(function (number) { var self = Container.call(this); self.number = number; var background = self.attachAsset('numberButton', { anchorX: 0.5, anchorY: 0.5 }); var numberText = new Text2(number.toString(), { size: 60, fill: 0x333333 }); numberText.anchor.set(0.5, 0.5); self.addChild(numberText); self.down = function (x, y, obj) { if (selectedCell && !selectedCell.isInitial) { selectedCell.setValue(self.number); checkForErrors(); checkWinCondition(); LK.getSound('correct').play(); } }; return self; }); var SudokuCell = Container.expand(function (row, col, initialValue) { var self = Container.call(this); self.row = row; self.col = col; self.value = initialValue || 0; self.isInitial = initialValue > 0; self.isSelected = false; self.hasError = false; // Create border (thick for 3x3 box boundaries) var needsThickBorder = row % 3 === 0 || col % 3 === 0; var border = self.attachAsset(needsThickBorder ? 'thickBorder' : 'cellBorder', { anchorX: 0.5, anchorY: 0.5 }); // Create cell background self.background = self.attachAsset('cell', { anchorX: 0.5, anchorY: 0.5 }); // Create number text self.numberText = new Text2(self.value > 0 ? self.value.toString() : '', { size: 80, fill: self.isInitial ? "#000000" : "#0066cc" }); self.numberText.anchor.set(0.5, 0.5); self.addChild(self.numberText); self.setValue = function (newValue) { if (self.isInitial) return; self.value = newValue; self.numberText.setText(newValue > 0 ? newValue.toString() : ''); self.updateDisplay(); }; self.setSelected = function (selected) { self.isSelected = selected; self.updateDisplay(); }; self.setError = function (error) { self.hasError = error; self.updateDisplay(); }; self.updateDisplay = function () { if (self.hasError) { self.removeChild(self.background); self.background = self.attachAsset('errorCell', { anchorX: 0.5, anchorY: 0.5 }); self.addChildAt(self.background, 1); } else if (self.isSelected) { self.removeChild(self.background); self.background = self.attachAsset('selectedCell', { anchorX: 0.5, anchorY: 0.5 }); self.addChildAt(self.background, 1); } else { self.removeChild(self.background); self.background = self.attachAsset('cell', { anchorX: 0.5, anchorY: 0.5 }); self.addChildAt(self.background, 1); } }; self.down = function (x, y, obj) { if (!self.isInitial) { selectedCell = self; updateCellSelection(); LK.getSound('select').play(); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0xf0f0f0 }); /**** * Game Code ****/ // Game variables var grid = []; var selectedCell = null; var numberButtons = []; var startTime = Date.now(); var isComplete = false; // Sudoku generator functions function createEmptyGrid() { var grid = []; for (var i = 0; i < 9; i++) { grid[i] = []; for (var j = 0; j < 9; j++) { grid[i][j] = 0; } } return grid; } function isValidPlacement(grid, row, col, num) { // Check row for (var c = 0; c < 9; c++) { if (grid[row][c] === num) return false; } // Check column for (var r = 0; r < 9; r++) { if (grid[r][col] === num) return false; } // Check 3x3 box var boxRow = Math.floor(row / 3) * 3; var boxCol = Math.floor(col / 3) * 3; for (var r = boxRow; r < boxRow + 3; r++) { for (var c = boxCol; c < boxCol + 3; c++) { if (grid[r][c] === num) return false; } } return true; } function shuffleArray(array) { for (var i = array.length - 1; i > 0; i--) { var j = Math.floor(Math.random() * (i + 1)); var temp = array[i]; array[i] = array[j]; array[j] = temp; } return array; } function fillGrid(grid) { for (var row = 0; row < 9; row++) { for (var col = 0; col < 9; col++) { if (grid[row][col] === 0) { var numbers = shuffleArray([1, 2, 3, 4, 5, 6, 7, 8, 9]); for (var i = 0; i < numbers.length; i++) { var num = numbers[i]; if (isValidPlacement(grid, row, col, num)) { grid[row][col] = num; if (fillGrid(grid)) { return true; } grid[row][col] = 0; } } return false; } } } return true; } function createPuzzle(difficulty) { var grid = createEmptyGrid(); fillGrid(grid); // Create a copy for the solution var solution = []; for (var i = 0; i < 9; i++) { solution[i] = []; for (var j = 0; j < 9; j++) { solution[i][j] = grid[i][j]; } } // Remove cells based on difficulty var cellsToRemove = difficulty === 'easy' ? 40 : difficulty === 'medium' ? 45 : 50; var removed = 0; while (removed < cellsToRemove) { var row = Math.floor(Math.random() * 9); var col = Math.floor(Math.random() * 9); if (grid[row][col] !== 0) { grid[row][col] = 0; removed++; } } return { puzzle: grid, solution: solution }; } // Generate random puzzle var gameData = createPuzzle('easy'); var puzzleData = gameData.puzzle; var solution = gameData.solution; // Create grid background var gridBg = game.attachAsset('gridBackground', { anchorX: 0.5, anchorY: 0.5, x: 1024, y: 1100 }); // Create 3x3 box backgrounds for visual distinction for (var boxRow = 0; boxRow < 3; boxRow++) { for (var boxCol = 0; boxCol < 3; boxCol++) { var boxIndex = boxRow * 3 + boxCol; // Add thick border around each box var boxBorder = game.attachAsset('boxBorder', { anchorX: 0.5, anchorY: 0.5, x: 1024 + (boxCol - 1) * 600, y: 1100 + (boxRow - 1) * 600 }); // Add colored background var boxBg = game.attachAsset('boxBackground' + boxIndex, { anchorX: 0.5, anchorY: 0.5, x: 1024 + (boxCol - 1) * 600, y: 1100 + (boxRow - 1) * 600 }); } } // Create Sudoku grid for (var row = 0; row < 9; row++) { grid[row] = []; for (var col = 0; col < 9; col++) { var cell = new SudokuCell(row, col, puzzleData[row][col]); cell.x = 1024 + (col - 4) * 200; cell.y = 1100 + (row - 4) * 200; grid[row][col] = cell; game.addChild(cell); } } // Create number buttons var buttonStartX = 300; var buttonY = 2400; for (var i = 1; i <= 9; i++) { var button = new NumberButton(i); button.x = buttonStartX + (i - 1) * 180; button.y = buttonY; numberButtons.push(button); game.addChild(button); } // Create delete button var deleteBtn = new DeleteButton(); deleteBtn.x = buttonStartX + 9 * 180; deleteBtn.y = buttonY; game.addChild(deleteBtn); // Create hint button var hintBtn = new HintButton(); hintBtn.x = 1024; hintBtn.y = 2550; game.addChild(hintBtn); // Create timer display var timerText = new Text2('Time: 00:00', { size: 60, fill: 0x333333 }); timerText.anchor.set(0.5, 0); LK.gui.top.addChild(timerText); timerText.y = 50; // Helper functions function updateCellSelection() { for (var row = 0; row < 9; row++) { for (var col = 0; col < 9; col++) { grid[row][col].setSelected(grid[row][col] === selectedCell); } } } function checkForErrors() { // Clear all errors first for (var row = 0; row < 9; row++) { for (var col = 0; col < 9; col++) { grid[row][col].setError(false); } } // Check for conflicts for (var row = 0; row < 9; row++) { for (var col = 0; col < 9; col++) { var cell = grid[row][col]; if (cell.value > 0) { if (hasConflict(row, col, cell.value)) { cell.setError(true); } } } } } function hasConflict(row, col, value) { // Check row for (var c = 0; c < 9; c++) { if (c !== col && grid[row][c].value === value) { return true; } } // Check column for (var r = 0; r < 9; r++) { if (r !== row && grid[r][col].value === value) { return true; } } // Check 3x3 box var boxRow = Math.floor(row / 3) * 3; var boxCol = Math.floor(col / 3) * 3; for (var r = boxRow; r < boxRow + 3; r++) { for (var c = boxCol; c < boxCol + 3; c++) { if ((r !== row || c !== col) && grid[r][c].value === value) { return true; } } } return false; } function getCorrectValueForCell(row, col) { return solution[row][col]; } function checkWinCondition() { if (isComplete) return; var allFilled = true; var hasErrors = false; for (var row = 0; row < 9; row++) { for (var col = 0; col < 9; col++) { var cell = grid[row][col]; if (cell.value === 0) { allFilled = false; } if (cell.hasError) { hasErrors = true; } } } if (allFilled && !hasErrors) { isComplete = true; LK.getSound('complete').play(); LK.effects.flashScreen(0x00ff00, 1000); LK.setTimeout(function () { LK.showYouWin(); }, 1500); } } function formatTime(seconds) { var mins = Math.floor(seconds / 60); var secs = seconds % 60; return 'Time: ' + (mins < 10 ? '0' : '') + mins + ':' + (secs < 10 ? '0' : '') + secs; } // Start background music LK.playMusic('bgmusic'); game.update = function () { if (!isComplete) { var currentTime = Math.floor((Date.now() - startTime) / 1000); timerText.setText(formatTime(currentTime)); } };