var Line = Container.expand(function (startX, startY, endX, endY) { var self = Container.call(this); var lineGraphics = self.createAsset('line', 'Line Graphics', 0, 0); lineGraphics.width = Math.sqrt(Math.pow(endX - startX, 2) + Math.pow(endY - startY, 2)); lineGraphics.rotation = Math.atan2(endY - startY, endX - startX); lineGraphics.x = startX; lineGraphics.y = startY; self.addChild(lineGraphics); return self; }); var Picture = Container.expand(function (index) { var self = Container.call(this); self.index = index; var pictureGraphics = self.createAsset('picture' + self.index, 'Picture Graphics', .5, .5); return self; }); var Card = Container.expand(function (context, uid, index) { var self = Container.call(this); self.row = 0; self.col = 0; self.uid = uid; self.id = index; if (!index) { self.isMatched = true; return self; } self.isMatched = false; nbCardsLeft++; self.shakeAnimation = function (card) { if (!card) return; var shakeCount = 0; var shakeTimes = 9; var shakeStrength = 70; var originalX = card.x; var originalY = card.y; function shake() { if (shakeCount < shakeTimes) { card.x = originalX + (Math.random() - 0.5) * shakeStrength; shakeCount++; LK.setTimeout(shake, 50); } else { card.x = originalX; card.y = originalY; card.scale.x = 1; card.scale.y = 1; if (card === selectedCard1) selectedCard1 = null; if (card === selectedCard2) selectedCard2 = null; isAnimating = false; } } shake(); }; self.id = index; self.on('down', function (obj) { if (!self.isMatched && !isAnimating) { if (!selectedCard1 || selectedCard1 && selectedCard2) { if (selectedCard1) { selectedCard1.scale.x = 1; selectedCard1.scale.y = 1; if (selectedCard1 === self) { selectedCard1 = null; return; } } selectedCard1 = self; selectedCard2 = null; self.scale.x = 1.2; self.scale.y = 1.2; } else if (selectedCard1 && !selectedCard2 && selectedCard1 === self) { selectedCard1.scale.x = 1; selectedCard1.scale.y = 1; selectedCard1 = null; } else if (selectedCard1 && !selectedCard2 && selectedCard1 !== self) { selectedCard2 = self; var canLink = canBeLinked(selectedCard1, selectedCard2); self.scale.x = 1.2; self.scale.y = 1.2; if (canLink) { lastMatched = true; selectedCard1.match(selectedCard2); selectedCard2.match(selectedCard1); selectedCard1 = null; selectedCard2 = null; } else { lastMatched = false; isAnimating = true; LK.setTimeout(function () { self.shakeAnimation(selectedCard1); self.shakeAnimation(selectedCard2); }, 300); } } } }); var cardGraphics = self.createAsset('card', 'Card Graphics', .5, .5); self.match = function (otherCard) { if (checkGameEndTimeout) { LK.clearTimeout(checkGameEndTimeout); } var line = new Line(self.x, self.y, otherCard.x, otherCard.y); LK.stage.addChild(line); var tadaAnimationSteps = 10; var tadaAnimationCount = 0; var scaleDelta = 0.2; var tadaDelay = 0; var tadaDelayMax = 60; self.tadaAnimation = function () { if (tadaAnimationCount < tadaAnimationSteps) { self.scale.x += tadaAnimationCount % 2 === 0 ? scaleDelta : -scaleDelta; self.scale.y += tadaAnimationCount % 2 === 0 ? scaleDelta : -scaleDelta; tadaAnimationCount++; } else { LK.off('tick', self.tadaAnimation); } }; self.shrinkAnimation = function () { if (self.scale.x > 0.1) { self.scale.x -= 0.01; self.scale.y -= 0.01; self.rotation += 0.1; } else { self.visible = false; LK.off('tick', self.tadaAnimation); LK.off('tick', self.shrinkAnimation); currentSolvedPairs[self.id] = true; currentNbSolved = Object.keys(currentSolvedPairs).length; if (checkGameEndTimeout) { LK.clearTimeout(checkGameEndTimeout); } checkGameEndTimeout = LK.setTimeout(function () { if (currentNbSolved >= lastNbPossible) { checkGameEnd(context, self.id); } }, 1000); } }; LK.on('tick', self.tadaAnimation); self.isMatched = true; LK.setTimeout(function () { LK.on('tick', self.shrinkAnimation); }, tadaAnimationSteps * 50); LK.setTimeout(function () { line.destroy(); }, 1000); }; var picture = self.addChild(new Picture(index)); picture.x = 0; picture.y = 0; return self; }); var TimerLine = Container.expand(function (width, height) { var self = Container.call(this); var timerGraphics = self.createAsset('timerLine', 'Timer Line Graphics', 0.5, 0.5); timerGraphics.width = width; timerGraphics.height = height; timerGraphics.tint = 0x00FF00; self.addChild(timerGraphics); self.update = function (elapsedTime) { var totalTicks = levelDurationInSeconds * 1000; var deltaWidth = this.initialWidth / totalTicks; timerGraphics.width = Math.max(0, timerGraphics.width - deltaWidth * elapsedTime); if (timerGraphics.width / this.initialWidth < 0.25) { timerGraphics.tint = 0xFF1E1E - Math.round(0xFF * (this.initialWidth / timerGraphics.width)) << 16; } }; return self; }); var level = 0; var levels = [{ 'rows': 2, 'cols': 2, 'time': 20 }, { 'rows': 4, 'cols': 4, 'time': 60 }, { 'rows': 6, 'cols': 6, 'time': 120 }, { 'rows': 8, 'cols': 8, 'time': 180 }, { 'rows': 10, 'cols': 10, 'time': 300 }, { 'rows': 11, 'cols': 10, 'time': 420 }, { 'rows': 12, 'cols': 10, 'time': 600 }]; level = Math.min(levels.length - 1, Math.max(0, level)); var levelDurationInSeconds = levels[level].time; var MAX_INIT_TRIES = 1000; var debug = false; var lastMatched = false; var cardPairs = []; var cards = []; var selectedCard1 = null; var selectedCard2 = null; var isInitializing = false; var isAnimating = false; var isRemixing = false; var nbRows = 2 + 2; var nbCols = 1 + 2; var nbCards = nbRows * nbCols; var nbPairs = (nbCards - nbRows * 2 - (nbCols - 2) * 2) / 2; var nbCardsLeft = 0; var lastNbPossible = 0; var currentSolvedPairs = []; var currentNbSolved = 0; var cardWidth = 200; var cardHeight = 200; var horizontalOffset = (2048 - (nbCols - 1) * cardWidth) / 2; var verticalOffset = (2732 - (nbRows - 1) * cardHeight) / 2; var shuffleDifficulty = 4; var lastCheckCaller = 0; var isPlaying = false; var isGameEndChecking = false; var isTryingInitGame = false; var checkGameEndTimeout = null; if (nbCards % 2) { console.error('Invalid number of cards ! Should be even.', nbCards); LK.showGameOver(); nbCols++; } function prepareConfig(level) { cardPairs = []; cards.forEach(function (row) { row.forEach(function (card) { if (card) card.destroy(); }); }); cards = []; nbRows = levels[level].rows + 2; nbCols = levels[level].cols + 2; nbCards = nbRows * nbCols; if (nbCards % 2) { console.error('Invalid number of cards ! Should be even.', nbCards); LK.showGameOver(); nbCols++; } nbPairs = (nbCards - nbRows * 2 - (nbCols - 2) * 2) / 2; horizontalOffset = (2048 - (nbCols - 1) * cardWidth) / 2; verticalOffset = (2732 - (nbRows - 1) * cardHeight) / 2; nbCardsLeft = 0; lastNbPossible = 0; currentSolvedPairs = []; currentNbSolved = 0; lastCheckCaller = 0; checkGameEndTimeout = null; selectedCard1 = null; selectedCard2 = null; isAnimating = false; isRemixing = false; } function timeBasedRandom() { var currentTime = Date.now(); var timeSeed = currentTime % 1000; var randomValue = Math.random() * timeSeed; return randomValue - Math.floor(randomValue); } function shuffleArray(array, onlyNonEmpty) { for (var i = array.length - 1; i > 0; i--) { var j = Math.floor(timeBasedRandom() * (i + 1)); if (onlyNonEmpty && (!array[i] || !array[j])) { continue; } var temp = array[i]; array[i] = array[j]; array[j] = temp; } return array; } function shuffleWithDifficulty(array, difficulty, onlyNonEmpty) { difficulty = Math.max(0, Math.min(10, difficulty)); var maxSwapDistance = Math.ceil(array.length * (difficulty / 10)); var numberOfSwaps = Math.ceil(array.length * (difficulty / 10)); for (var i = 0; i < numberOfSwaps; i++) { var firstIndex = Math.floor(timeBasedRandom() * array.length); var swapDistance = Math.floor(timeBasedRandom() * maxSwapDistance); var secondIndex = (firstIndex + swapDistance) % array.length; if (onlyNonEmpty && (!array[firstIndex] || !array[secondIndex])) { continue; } var temp = array[firstIndex]; array[firstIndex] = array[secondIndex]; array[secondIndex] = temp; } ensureAdjacentIndexes(array, difficulty); return array; } function ensureAdjacentIndexes(array, difficulty) { var numberOfPairsToSwap = Math.floor(array.length * 0.5 * (1 / difficulty) * 0.5); var pairsToSwap = []; for (var i = 0; i < array.length - 1; i++) { for (var j = i + 1; j < array.length; j++) { if (array[i] && array[j] && array[i] === array[j] && !pairsToSwap.includes(array[i])) { pairsToSwap.push(array[i]); } } } shuffleArray(pairsToSwap, false); pairsToSwap = pairsToSwap.slice(0, numberOfPairsToSwap); for (var i = 0; i < array.length - 1; i++) { for (var j = i + 1; j < array.length; j++) { if (array[i] && array[j] && array[i] === array[j] && pairsToSwap.includes(array[i]) && array[i + 1]) { var temp = array[i + 1]; array[i + 1] = array[j]; array[j] = temp; pairsToSwap.splice(pairsToSwap.indexOf(array[i]), 1); break; } } } } function canBeLinked(card1, card2) { if (card1 === card2 || !card1 || !card2 || card1.id !== card2.id) { return false; } var visited = Array.from({ length: nbRows }, () => Array(nbCols).fill(false)); function dfs(card, bends, direction) { if (!card || visited[card.row][card.col] || bends > 2) { return false; } if (card === card2) { return true; } visited[card.row][card.col] = true; var directions = [[-1, 0], [1, 0], [0, -1], [0, 1]]; for (let [di, dj] of directions) { var ni = card.row + di, nj = card.col + dj; if (ni >= 0 && ni < nbRows && nj >= 0 && nj < nbCols) { var nextCard = cards[ni][nj]; if (!nextCard || !nextCard.id || nextCard.isMatched || nextCard === card2) { if (di !== 0) { if (dfs(nextCard, bends + (direction === -1), 1)) return true; } else if (dj !== 0) { if (dfs(nextCard, bends + (direction === 1), -1)) return true; } } } } visited[card.row][card.col] = false; return false; } return dfs(card1, 0); } function remixCards(currentDifficulty, callback) { if (isRemixing) { return false; } isRemixing = true; var unmatchedCards = cards.flat().filter(function (card) { return !card.isMatched; }); var oldPositions = unmatchedCards.map(function (card) { return { uid: card.uid, id: card.id, x: card.x, y: card.y }; }); var indexes = unmatchedCards.map(function (card) { return card.id; }); indexes = shuffleWithDifficulty(indexes, currentDifficulty); var reorderedPosition = []; var treatedIndexes = []; for (var i = 0; i < oldPositions.length; i++) { var originId = oldPositions[i].id; for (var j = 0; j < indexes.length; j++) { var newId = indexes[j]; if (originId === newId && !treatedIndexes[j]) { reorderedPosition[i] = { uid: oldPositions[j].uid, id: oldPositions[j].id, x: oldPositions[j].x, y: oldPositions[j].y }; treatedIndexes[j] = true; break; } } } unmatchedCards.forEach(function (card, index) { var newPos = reorderedPosition[index]; var moveCard = function () { var dx = 0; var dy = 0; if (newPos) { dx = newPos.x - card.x; dy = newPos.y - card.y; } if (index == 1) {} var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 1) { card.x = newPos.x; card.y = newPos.y; var newCol = Math.floor((card.x - horizontalOffset) / cardWidth); var newRow = Math.floor((card.y - verticalOffset) / cardHeight); if (cards[card.row] && cards[card.row][card.col] === card) { cards[card.row][card.col] = undefined; } card.col = newCol; card.row = newRow; cards[newRow][newCol] = card; LK.off('tick', moveCard); } else { card.x += dx * 0.05; card.y += dy * 0.05; } }; LK.on('tick', moveCard); }); LK.setTimeout(function () { isRemixing = false; if (callback) { callback(); } }, 4000); } function checkGameEnd(context, callerId) { if (isGameEndChecking) { return; } if (lastCheckCaller === callerId) { return; } isGameEndChecking = true; lastCheckCaller = callerId; nbCardsLeft = cards.flat().filter(function (card) { return !card.isMatched; }).length; if (!nbCardsLeft) { isPlaying = false; LK.setTimeout(function () { if (level + 1 >= levels.length) { showConfettiAnimation(context, function () { LK.showGameOver(); }, true); } else { level++; level = Math.min(levels.length - 1, Math.max(0, level)); showConfettiAnimation(context, function () { isGameEndChecking = false; tryInitGame(context); }); } }, 300); return; } if (currentNbSolved >= lastNbPossible) { var isPossible = checkBoardPossible(); var canContinue = currentNbSolved < lastNbPossible; if (!canContinue) { tryRemixCards(); } } isGameEndChecking = false; } function checkBoardPossible() { var nbPossible = 0; var nbImpossible = 0; var indexesChecked = []; for (var i = 0; i < cardPairs.length; i++) { var index = cardPairs[i]; if (!index || indexesChecked[index]) { continue; } var card1 = cards.flat().find(function (card) { return card.id === index; }); var card2 = cards.flat().find(function (card) { return card.id === index && card !== card1; }); if (canBeLinked(card1, card2)) { nbPossible++; } else { nbImpossible++; } indexesChecked[index] = true; } lastNbPossible = nbPossible; return Math.max(currentNbSolved, nbPossible) >= (nbImpossible + nbPossible) * 0.1; } function initGame(self, currentDifficulty) { if (isInitializing) { console.log('already Initializing...'); return; } isInitializing = true; prepareConfig(level); var nextPairIndex = 1; for (var i = 0; i < nbCards; i++) { var row = Math.floor(i / nbCols); var col = i % nbCols; if (row === 0 || row === nbRows - 1 || col === 0 || col === nbCols - 1) { cardPairs.push(0); } else { cardPairs.push(nextPairIndex); nextPairIndex = nextPairIndex % nbPairs + 1; } } cardPairs = shuffleWithDifficulty(cardPairs, currentDifficulty, true); for (var i = 0; i < nbCards; i++) { var row = Math.floor(i / nbCols); var col = i % nbCols; var card = self.addChild(new Card(self, i, cardPairs[i])); card.col = col; card.row = row; card.x = horizontalOffset + card.col * cardWidth; card.y = verticalOffset + card.row * cardHeight; if (!cards[card.row]) { cards[card.row] = []; } cards[card.row][card.col] = card; } isInitializing = false; } function tryInitGame(context) { if (isTryingInitGame) { console.log('Already tryInitGame...'); return; } var isPossible = false; var nbTries = 0; var currentDifficulty = shuffleDifficulty; while (!isPossible && nbTries <= MAX_INIT_TRIES) { initGame(context, currentDifficulty); isPossible = checkBoardPossible(); isPlaying = isPossible; nbTries++; currentDifficulty--; } if (nbTries > MAX_INIT_TRIES) { console.warn('Unable to init game after ' + nbTries + ' tries'); } isTryingInitGame = false; } function tryRemixCards(nbTries, currentDifficulty) { nbTries = nbTries || 0; currentDifficulty = currentDifficulty || shuffleDifficulty; remixCards(currentDifficulty, function () { var isPossible = checkBoardPossible(); nbTries++; currentDifficulty--; if (nbTries > MAX_INIT_TRIES) { isPossible = true; console.warn('Unable to remix game after ' + nbTries + ' tries'); } if (!isPossible) { tryRemixCards(nbTries, currentDifficulty); } }); } function showConfettiAnimation(self, callback, isFinal) { var confettiCount = 50 + 5 * level + (isFinal ? 50 : 0); var confettiGraphics; var backgroundImage = self.createAsset('background' + (level + (isFinal ? 1 : 0)), 'Level Background', 0.5, 0.5); backgroundImage.x = 2048 / 2; backgroundImage.y = 2732 / 2; self.addChild(backgroundImage); var congratulationsText = new Text2('Congratulations!', { size: 150, fill: '#ffffff' }); if (isFinal) { congratulationsText.anchor.set(0.5, 0); congratulationsText.x = 0; congratulationsText.y = 20; LK.gui.topCenter.addChild(congratulationsText); } for (var i = 0; i < confettiCount; i++) { confettiGraphics = self.createAsset('picture' + (1 + i % (nbPairs - 1)), 'Confetti Graphics', Math.random(), Math.random()); confettiGraphics.x = Math.random() * 2048; confettiGraphics.y = -30 - Math.random() * 2000; confettiGraphics.rotation = Math.random() * Math.PI * 2; self.addChild(confettiGraphics); (function (confetti) { var totalTicks = 420 + (isFinal ? 300 : 0); var tickCount = 0; LK.on('tick', function () { if (tickCount < totalTicks) { confetti.y += 7 + 10 * Math.random() + (isFinal ? 10 : 0); confetti.rotation += 0.05; tickCount++; } else { LK.off('tick', arguments.callee); if (i === confettiCount && callback) { if (!isFinal) { backgroundImage.destroy(); } callback(); } confetti.destroy(); } }); })(confettiGraphics); } } function preload(context) { var titleText = new Text2('Xmas Pairs', { size: 200, fill: '#9bc5bc', anchor: { x: 0.5, y: 0.5 } }); titleText.x = 2048 / 8; titleText.y = 2732 / 8; LK.gui.addChild(titleText); var loadingText = new Text2('Loading...', { size: 100, fill: '#ffffff', anchor: { x: 0.5, y: 0.5 } }); loadingText.x = 2048 / 4; loadingText.y = 2732 / 4; LK.gui.addChild(loadingText); var assetsToLoad = ['line', 'picture1', 'picture2', 'picture3', 'picture8', 'picture7', 'picture24', 'picture17', 'picture16', 'picture4', 'picture29', 'picture6', 'picture14', 'picture15', 'picture20', 'picture9', 'picture10', 'picture27', 'picture12', 'picture19', 'picture26', 'picture22', 'picture18', 'picture28', 'picture23', 'picture13', 'picture21', 'picture5', 'picture11', 'picture25', 'picture30', 'picture32', 'picture31', 'picture37', 'picture39', 'picture44', 'picture38', 'picture48', 'picture47', 'picture50', 'picture42', 'picture46', 'picture45', 'picture43', 'picture49', 'picture34', 'picture33', 'picture40', 'picture36', 'picture35', 'picture41', 'picture55', 'picture52', 'picture54', 'picture53', 'picture51', 'picture56', 'picture59', 'picture60', 'picture57', 'picture58', 'picture64', 'picture63', 'picture61', 'picture62', 'picture65', 'card', 'timerLine', 'background1', 'background2', 'background3', 'background4', 'background5', 'background6', 'background7']; var loadedAssets = 0; assetsToLoad.forEach(function (asset) { var assetInstance = LK.getAsset(asset, 'Loading ' + asset, 0.5, 0.5); loadedAssets++; if (loadedAssets === assetsToLoad.length) { LK.setTimeout(function () { loadingText.destroy(); titleText.destroy(); tryInitGame(context); }, 1200); } }); } var Game = Container.expand(function () { var self = Container.call(this); preload(self); if (debug) { this.timerLine = new TimerLine(1400, 20); this.timerLine.initialWidth = 1400; this.timerLine.x = 710; this.timerLine.y = this.timerLine.y; LK.gui.topLeft.addChild(this.timerLine); var tickTime = Date.now(); LK.on('tick', function () { if (isPlaying && !isRemixing) { var elapsedTime = Date.now() - tickTime; self.timerLine.update(elapsedTime); tickTime = Date.now(); } }); var matchDebugText = new Text2('Match:', { size: 50, fill: '#ffffff' }); matchDebugText.anchor.set(0, 0); LK.gui.topLeft.addChild(matchDebugText); LK.on('tick', function () { matchDebugText.setText('Level: ' + (level + 1) + ' Solved: ' + currentNbSolved + '/' + lastNbPossible + ' / isPlaying=' + isPlaying + ' / time=' + levelDurationInSeconds); }); } });

Xmas Pairs by Djam

Images