/**** * Classes ****/ var Block = Container.expand(function (board) { var self = Container.call(this); var hsvToRgb = function hsvToRgb(h, s, v) { var r, g, b; var i = Math.floor(h * 6); var f = h * 6 - i; var p = v * (1 - s); var q = v * (1 - f * s); var t = v * (1 - (1 - f) * s); switch (i % 6) { case 0: r = v, g = t, b = p; break; case 1: r = q, g = v, b = p; break; case 2: r = p, g = v, b = t; break; case 3: r = p, g = q, b = v; break; case 4: r = t, g = p, b = v; break; case 5: r = v, g = p, b = q; break; } return (Math.round(r * 255) << 16) + (Math.round(g * 255) << 8) + Math.round(b * 255); }; var ShapeTypes = { SINGLE: [[1]], TRI: [[1, 1, 1]], QUAD: [[1, 1, 1, 1]], LSHAPE: [[1, 0, 0], [1, 0, 0], [1, 1, 1]], BLOCK: [[1, 1], [1, 1]], SMALLLSHAPE: [[1, 0], [1, 1]] }; var shapes = Object.values(ShapeTypes); // Randomly select a block asset index from 1 to 5 (inclusive) var blockAssetIndex = 1 + Math.floor(Math.random() * 5); // Randomly select a shape var offset = Math.floor(Math.random() * shapes.length); self.offset = blockAssetIndex; // Use the asset index for the block image self.shape = shapes[offset]; var hue = offset % shapes.length / shapes.length; self.color = hsvToRgb(hue, 0.6, 1); self.rotateShapeRandomly = function () { var rotations = Math.floor(Math.random() * 4); for (var r = 0; r < rotations; r++) { self.shape = self.shape[0].map(function (val, index) { return self.shape.map(function (row) { return row[index]; }).reverse(); }); } }; self.rotateShapeRandomly(); self.blocks = []; var background = self.attachAsset('background', { anchorX: 0.5, anchorY: 0.5 }); background.alpha = 0; var blockSize = 160; background.width = 4 * blockSize; background.height = 4 * blockSize; self.addChild(background); self.offsetX = 0; self.offsetY = 0; var blockOffsetX = (background.width / 2 - self.shape[0].length * blockSize) / 2 - blockSize / 2; var blockOffsetY = (background.height / 2 - self.shape.length * blockSize) / 2 - blockSize / 2; for (var i = 0; i < self.shape.length; i++) { for (var j = 0; j < self.shape[i].length; j++) { if (self.shape[i][j] === 1) { var block = self.createAsset('block_' + offset, { anchorX: 0.5, anchorY: 0.5 }); block.x = j * blockSize + blockOffsetX; block.y = i * blockSize + blockOffsetY; self.blocks.push(block); self.addChild(block); } } } self.startX = 0; self.startY = 0; self.moveTowardsHomePosition = function () { var dx = self.startX - self.x; var dy = self.startY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 1) { self.x += dx * 0.3; self.y += dy * 0.3; } else { self.x = self.startX; self.y = self.startY; } }; var currentX = 0; var currentY = 0; self.moveToDragTarget = function () { var ox = -this.targetX; var oy = (LK.is.mobile ? 400 : 0) - this.targetY; this.targetX += ox / 5; this.targetY += oy / 5; this.x = currentX - this.targetX; this.y = currentY - this.targetY; }; self._move_migrated = function (x, y) { currentX = x; currentY = y; self.x = x - this.targetX; self.y = y - this.targetY; }; self.setStartPosition = function (x, y) { self.startX = x; self.startY = y; }; self.getOverlappingCells = function () { var cells = []; var boardPos = { x: -board.x + self.x + 160 * 4 + blockOffsetX + 160, y: -board.y + self.y + 160 * 4 + blockOffsetY + 160 }; var startX = Math.floor(boardPos.x / 160); var startY = Math.floor(boardPos.y / 160); for (var i = 0; i < self.shape.length; i++) { for (var j = 0; j < self.shape[i].length; j++) { if (self.shape[i][j] === 1) { var cell = board.grid && board.grid[startY + i] && board.grid[startY + i][startX + j]; if (cell && !cell.filled) { cells.push(cell); } else { return null; } } } } return cells; }; self.showOverlap = function () { var cells = self.getOverlappingCells(); if (cells) { for (var a = 0; a < cells.length; a++) { var cell = cells[a]; cell.setTint(self.color); } } }; self.rotateShapeRandomly = function () { var rotations = Math.floor(Math.random() * 4); for (var r = 0; r < rotations; r++) { self.shape = self.shape[0].map(function (val, index) { return self.shape.map(function (row) { return row[index]; }).reverse(); }); } }; }); var Board = Container.expand(function () { var self = Container.call(this); self.particles = []; Board.prototype.spawnParticles = function (x, y, tint) { for (var i = 0; i < 10; i++) { var particle = new Particle(tint); particle.x = x; particle.y = y; this.particles.push(particle); this.addChild(particle); } }; self.grid = new Array(10).fill(null).map(function () { return new Array(10).fill(null); }); var size = 158; var totalWidth = 10 * size; var totalHeight = 10 * size; for (var i = 0; i < 10; i++) { for (var j = 0; j < 10; j++) { var cell = new Cell(); cell.x = i * size - totalWidth / 2 + size / 2; cell.y = j * size - totalHeight / 2 + size / 2; self.grid[j][i] = cell; self.addChild(cell); } } self.removeTint = function () { for (var i = 0; i < 10; i++) { for (var j = 0; j < 10; j++) { if (!self.grid[i][j].filled) { self.grid[i][j].setTint(0xffffff); } } } }; self.checkLines = function () { var rowsRemoved = 0; for (var i = 0; i < 10; i++) { var rowFilled = true; var colFilled = true; for (var j = 0; j < 10; j++) { if (!self.grid[i][j].filled) { rowFilled = false; } if (!self.grid[j][i].filled) { colFilled = false; } } if (rowFilled || colFilled) { rowsRemoved += (rowFilled ? 1 : 0) + (colFilled ? 1 : 0); for (var j = 0; j < 10; j++) { if (rowFilled) { self.grid[i][j].setFill(false); self.spawnParticles(self.grid[i][j].x, self.grid[i][j].y, self.grid[i][j].getTint()); } if (colFilled) { self.grid[j][i].setFill(false); self.spawnParticles(self.grid[j][i].x, self.grid[j][i].y, self.grid[j][i].getTint()); } } } } return rowsRemoved; }; self.tick = function () { for (var i = self.particles.length - 1; i >= 0; i--) { var particle = self.particles[i]; if (particle) { particle.tick(); if (particle.alpha <= 0) { self.particles.splice(i, 1); } } } for (var i = 0; i < 10; i++) { for (var j = 0; j < 10; j++) { self.grid[i][j].tick(i, j); } } }; self.placeBlock = function () {}; }); var Cell = Container.expand(function () { var self = Container.call(this); self.filled = false; var yOffsetArray = [-25, -10, -20, -25, -25, -20]; var empty = self.attachAsset('cell', { anchorX: 0.5, anchorY: 0.5 }); empty.alpa = .8; var filled; var currentOffset; empty.y = 2; self.currentTint = 0xffffff; self.setFill = function (isFilled, asset, offset) { self.filled = isFilled; empty.visible = !self.filled; if (isFilled) { if (asset) { asset.x = 0; asset.y = yOffsetArray[offset] || -15; currentOffset = offset; self.addChild(asset); filled = asset; } } else { if (filled) { filled.destroy(); filled = null; } } }; self.tick = function (i, j) { if (filled) { var offset = Math.cos(((i + j) * 3 + LK.ticks / 2) / 6) / 20; var ty = yOffsetArray[currentOffset] || -15; filled.y = ty + Math.abs(offset * 200) - 5; filled.rotation = offset; } }; self.getTint = function () { return self.currentTint; }; self.setTint = function (tint) { self.currentTint = tint; empty.tint = tint; }; self.setFill(false); }); var Particle = Container.expand(function (tint) { var self = Container.call(this); self.tint = tint; var particleGraphics = self.attachAsset('particle', { anchorX: 0.5, anchorY: 0.5 }); particleGraphics.rotation = Math.random() * Math.PI * 2; particleGraphics.tint = self.tint; self.vx = Math.random() * 4 - 2; self.vy = Math.random() * 4 - 2; self.alpha = 1; self.lifetime = 60; self.tick = function () { self.x += self.vx; self.y += self.vy; self.alpha -= 1 / self.lifetime; if (self.alpha <= 0) { self.destroy(); } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ var gameBackground = game.attachAsset('gameBackground', { anchorX: 0.5, anchorY: 0.5 }); gameBackground.x = 2048 / 2; gameBackground.y = 2732 / 2 + 65; var blocks = []; var dragTarget; var board = game.addChild(new Board()); board.x = 2048 / 2; board.y = 2732 / 2 - 250 + 30; var targetOffset; game.createBlock = function (index) { var block = new Block(board); block.x = 2048 / 2 + (index - 1) * (block.width + 30); block.y = 2732 + block.height; block.setStartPosition(block.x, 2732 - block.height / 2 - 30); blocks.push(block); game.addChild(block); block.on('down', function (x, y, obj) { dragTarget = this; var pos = this.toLocal(obj.global); var targetPos = game.toLocal(obj.global); this.targetX = pos.x; this.targetY = pos.y; dragTarget._move_migrated(targetPos.x, targetPos.y); }); }; game.on('move', function (x, y, obj) { if (dragTarget) { board.removeTint(); var pos = game.toLocal(obj.global); dragTarget._move_migrated(pos.x, pos.y); dragTarget.showOverlap(); } }); game.on('up', function (x, y, obj) { if (dragTarget) { var cells = dragTarget.getOverlappingCells(); if (cells) { for (var a = 0; a < cells.length; a++) { cells[a].setFill(true, dragTarget.blocks[a], dragTarget.offset); cells[a].setTint(dragTarget.color); } blocks[blocks.indexOf(dragTarget)] = undefined; dragTarget.destroy(); if (!blocks.some(function (block) { return block; })) { game.createBlocks(); } var pointsToAdd = board.checkLines(); if (pointsToAdd) { score += Math.pow(pointsToAdd, 2) * 10; LK.setScore(score); scoreTxt.setText(score); } } board.removeTint(); dragTarget = undefined; } }); game.createBlocks = function () { for (var i = 0; i < 3; i++) { game.createBlock(i); } }; var score = 0; game.createBlocks(); var scoreTxt = new Text2('0', { size: 150, fill: 0xFFFFFF, font: 'Impact', stroke: '#2a636e', strokeThickness: 16 }); scoreTxt.anchor.set(.5, 0); LK.gui.top.addChild(scoreTxt); game.isMovePossible = function () { for (var a = 0; a < blocks.length; a++) { if (blocks[a]) { for (var i = 0; i < 10; i++) { for (var j = 0; j < 10; j++) { if (board.grid[i][j].filled) { continue; } var canPlace = true; for (var k = 0; k < blocks[a].shape.length; k++) { for (var l = 0; l < blocks[a].shape[k].length; l++) { if (blocks[a].shape[k][l] === 1) { if (i + k < 0 || i + k >= 10 || j + l < 0 || j + l >= 10 || board.grid[i + k][j + l].filled) { canPlace = false; break; } } } if (!canPlace) { break; } } if (canPlace) { return true; } } } } } return false; }; var isGameOver = false; LK.on('tick', function () { board.tick(); if (isGameOver || !game.isMovePossible()) { LK.effects.flashScreen(0xffffff, 1000); LK.showGameOver(); } for (var a = blocks.length - 1; a >= 0; a--) { if (blocks[a]) { if (blocks[a] != dragTarget) { blocks[a].moveTowardsHomePosition(); } else { blocks[a].moveToDragTarget(); } } } });