/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Ghost = Container.expand(function (color, startX, startY) { var self = Container.call(this); var graphics = self.attachAsset('ghost', { anchorX: 0.5, anchorY: 0.5 }); graphics.tint = color; self.gridX = startX; self.gridY = startY; self.direction = 0; self.speed = 2; self.vulnerable = false; self.vulnerableTimer = 0; self.moveTimer = 0; self.x = self.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; self.y = self.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; self.update = function () { self.moveTimer++; if (self.vulnerable) { self.vulnerableTimer--; graphics.tint = self.vulnerableTimer % 60 < 30 ? 0x0000FF : 0xFFFFFF; if (self.vulnerableTimer <= 0) { self.vulnerable = false; graphics.tint = color; } } if (self.moveTimer % (self.vulnerable ? 6 : 4) === 0) { // Simple AI: choose random valid direction var validDirections = []; var directions = [{ dx: 1, dy: 0 }, // right { dx: 0, dy: 1 }, // down { dx: -1, dy: 0 }, // left { dx: 0, dy: -1 } // up ]; for (var i = 0; i < directions.length; i++) { var newX = self.gridX + directions[i].dx; var newY = self.gridY + directions[i].dy; if (newX >= 0 && newX < MAZE_WIDTH && newY >= 0 && newY < MAZE_HEIGHT) { if (maze[newY][newX] !== 1) { validDirections.push(i); } } } if (validDirections.length > 0) { self.direction = validDirections[Math.floor(Math.random() * validDirections.length)]; var dir = directions[self.direction]; self.gridX += dir.dx; self.gridY += dir.dy; // Handle tunnel wrapping if (self.gridX < 0) self.gridX = MAZE_WIDTH - 1; if (self.gridX >= MAZE_WIDTH) self.gridX = 0; self.x = self.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; self.y = self.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; } } }; return self; }); var PacMan = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('pacman', { anchorX: 0.5, anchorY: 0.5 }); self.direction = 0; // 0=right, 1=down, 2=left, 3=up self.nextDirection = 0; self.speed = 3; self.gridX = 1; self.gridY = 1; self.animationTimer = 0; self.targetX = 1 * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; self.targetY = 1 * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; self.moveProgress = 1.0; self.isMoving = false; self.update = function () { self.animationTimer++; // Simple mouth animation by scaling if (self.animationTimer % 20 < 10) { graphics.scaleX = 0.9; } else { graphics.scaleX = 1.0; } // Update rotation based on direction graphics.rotation = self.direction * Math.PI / 2; // Handle smooth movement if (self.isMoving) { self.moveProgress += 0.15; // Movement speed if (self.moveProgress >= 1.0) { self.moveProgress = 1.0; self.isMoving = false; self.x = self.targetX; self.y = self.targetY; } else { // Interpolate position var startX = self.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; var startY = self.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; self.x = startX + (self.targetX - startX) * self.moveProgress; self.y = startY + (self.targetY - startY) * self.moveProgress; } } // Start new movement if not currently moving if (!self.isMoving) { var newGridX = self.gridX; var newGridY = self.gridY; // Calculate next position if (self.direction === 0) newGridX++; // right else if (self.direction === 1) newGridY++; // down else if (self.direction === 2) newGridX--; // left else if (self.direction === 3) newGridY--; // up // Check if next position is valid if (newGridX >= 0 && newGridX < MAZE_WIDTH && newGridY >= 0 && newGridY < MAZE_HEIGHT) { if (maze[newGridY][newGridX] !== 1) { // Handle tunnel wrapping if (newGridX < 0) newGridX = MAZE_WIDTH - 1; if (newGridX >= MAZE_WIDTH) newGridX = 0; // Start smooth movement self.gridX = newGridX; self.gridY = newGridY; self.targetX = self.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; self.targetY = self.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; self.moveProgress = 0.0; self.isMoving = true; } } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ var MAZE_WIDTH = 19; var MAZE_HEIGHT = 21; var CELL_SIZE = 40; var MAZE_OFFSET_X = (2048 - MAZE_WIDTH * CELL_SIZE) / 2; var MAZE_OFFSET_Y = 200; // Simple maze layout (1 = wall, 0 = empty, 2 = dot, 3 = power pellet) var maze = [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1], [1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1], [1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1], [1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1], [1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1], [1, 1, 1, 1, 1, 2, 1, 1, 0, 1, 0, 1, 1, 2, 1, 1, 1, 1, 1], [0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0], [1, 1, 1, 1, 1, 2, 1, 0, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1], [2, 2, 2, 2, 2, 2, 2, 0, 1, 0, 1, 0, 2, 2, 2, 2, 2, 2, 2], [1, 1, 1, 1, 1, 2, 1, 0, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1], [0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0], [1, 1, 1, 1, 1, 2, 1, 1, 0, 1, 0, 1, 1, 2, 1, 1, 1, 1, 1], [1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1], [1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1], [1, 3, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 1], [1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1], [1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1], [1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1], [1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]; var walls = []; var dots = []; var powerPellets = []; var ghosts = []; var pacman; var score = 0; var lives = 3; var level = 1; var powerMode = false; var powerModeTimer = 0; var ghostScore = 200; var totalDots = 0; var dotsEaten = 0; // Create maze elements for (var y = 0; y < MAZE_HEIGHT; y++) { for (var x = 0; x < MAZE_WIDTH; x++) { var cellX = x * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; var cellY = y * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; if (maze[y][x] === 1) { var wall = game.addChild(LK.getAsset('wall', { anchorX: 0.5, anchorY: 0.5, x: cellX, y: cellY })); walls.push(wall); } else if (maze[y][x] === 2) { var dot = game.addChild(LK.getAsset('dot', { anchorX: 0.5, anchorY: 0.5, x: cellX, y: cellY })); dots.push({ obj: dot, x: x, y: y, eaten: false }); totalDots++; } else if (maze[y][x] === 3) { var pellet = game.addChild(LK.getAsset('powerPellet', { anchorX: 0.5, anchorY: 0.5, x: cellX, y: cellY })); powerPellets.push({ obj: pellet, x: x, y: y, eaten: false }); } } } // Create Pac-Man pacman = game.addChild(new PacMan()); pacman.x = pacman.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; pacman.y = pacman.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; // Create ghosts var ghostColors = [0xFF0000, 0xFFB8FF, 0x00FFFF, 0xFFB852]; var ghostPositions = [[9, 8], [9, 9], [8, 9], [10, 9]]; for (var i = 0; i < 4; i++) { var ghost = game.addChild(new Ghost(ghostColors[i], ghostPositions[i][0], ghostPositions[i][1])); ghosts.push(ghost); } // UI elements var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFF00 }); scoreText.anchor.set(0, 0); LK.gui.topLeft.addChild(scoreText); scoreText.x = 120; scoreText.y = 20; var livesText = new Text2('Lives: 3', { size: 60, fill: 0xFFFF00 }); livesText.anchor.set(1, 0); LK.gui.topRight.addChild(livesText); livesText.x = -20; livesText.y = 20; var levelText = new Text2('Level: 1', { size: 60, fill: 0xFFFF00 }); levelText.anchor.set(0.5, 0); LK.gui.top.addChild(levelText); levelText.y = 20; // Touch controls var lastTouchX = 0; var lastTouchY = 0; game.down = function (x, y, obj) { lastTouchX = x; lastTouchY = y; }; game.up = function (x, y, obj) { var deltaX = x - lastTouchX; var deltaY = y - lastTouchY; if (Math.abs(deltaX) > Math.abs(deltaY)) { // Horizontal swipe pacman.nextDirection = deltaX > 0 ? 0 : 2; // right or left } else { // Vertical swipe pacman.nextDirection = deltaY > 0 ? 1 : 3; // down or up } // Try to change direction immediately if not moving or can turn var newGridX = pacman.gridX; var newGridY = pacman.gridY; if (pacman.nextDirection === 0) newGridX++; // right else if (pacman.nextDirection === 1) newGridY++; // down else if (pacman.nextDirection === 2) newGridX--; // left else if (pacman.nextDirection === 3) newGridY--; // up if (newGridX >= 0 && newGridX < MAZE_WIDTH && newGridY >= 0 && newGridY < MAZE_HEIGHT) { if (maze[newGridY][newGridX] !== 1) { pacman.direction = pacman.nextDirection; // If currently moving, interrupt and start new movement if (pacman.isMoving) { pacman.gridX = Math.round((pacman.x - MAZE_OFFSET_X - CELL_SIZE / 2) / CELL_SIZE); pacman.gridY = Math.round((pacman.y - MAZE_OFFSET_Y - CELL_SIZE / 2) / CELL_SIZE); pacman.isMoving = false; } } } }; game.update = function () { if (powerMode) { powerModeTimer--; if (powerModeTimer <= 0) { powerMode = false; for (var i = 0; i < ghosts.length; i++) { ghosts[i].vulnerable = false; } ghostScore = 200; } } // Check dot collection for (var i = 0; i < dots.length; i++) { var dot = dots[i]; if (!dot.eaten && dot.x === pacman.gridX && dot.y === pacman.gridY) { dot.eaten = true; dot.obj.visible = false; score += 10; dotsEaten++; LK.setScore(score); scoreText.setText('Score: ' + score); LK.getSound('chomp').play(); } } // Check power pellet collection for (var i = 0; i < powerPellets.length; i++) { var pellet = powerPellets[i]; if (!pellet.eaten && pellet.x === pacman.gridX && pellet.y === pacman.gridY) { pellet.eaten = true; pellet.obj.visible = false; score += 50; LK.setScore(score); scoreText.setText('Score: ' + score); powerMode = true; powerModeTimer = 300; // 5 seconds at 60fps ghostScore = 200; for (var j = 0; j < ghosts.length; j++) { ghosts[j].vulnerable = true; ghosts[j].vulnerableTimer = powerModeTimer; } LK.getSound('powerUp').play(); } } // Check ghost collision for (var i = 0; i < ghosts.length; i++) { var ghost = ghosts[i]; if (ghost.gridX === pacman.gridX && ghost.gridY === pacman.gridY) { if (ghost.vulnerable) { // Eat ghost score += ghostScore; ghostScore *= 2; LK.setScore(score); scoreText.setText('Score: ' + score); ghost.vulnerable = false; ghost.gridX = ghostPositions[i][0]; ghost.gridY = ghostPositions[i][1]; ghost.x = ghost.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; ghost.y = ghost.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; LK.getSound('eatGhost').play(); } else { // Lose life lives--; livesText.setText('Lives: ' + lives); if (lives <= 0) { LK.showGameOver(); } else { // Reset positions pacman.gridX = 1; pacman.gridY = 1; pacman.x = pacman.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; pacman.y = pacman.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; for (var j = 0; j < ghosts.length; j++) { ghosts[j].gridX = ghostPositions[j][0]; ghosts[j].gridY = ghostPositions[j][1]; ghosts[j].x = ghosts[j].gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; ghosts[j].y = ghosts[j].gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; ghosts[j].vulnerable = false; } powerMode = false; powerModeTimer = 0; } } } } // Check level completion if (dotsEaten >= totalDots) { level++; dotsEaten = 0; levelText.setText('Level: ' + level); // Reset dots and pellets for (var i = 0; i < dots.length; i++) { dots[i].eaten = false; dots[i].obj.visible = true; } for (var i = 0; i < powerPellets.length; i++) { powerPellets[i].eaten = false; powerPellets[i].obj.visible = true; } // Increase ghost speed for (var i = 0; i < ghosts.length; i++) { ghosts[i].speed = Math.min(ghosts[i].speed + 0.5, 5); } // Reset positions pacman.gridX = 1; pacman.gridY = 1; pacman.x = pacman.gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; pacman.y = pacman.gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; for (var i = 0; i < ghosts.length; i++) { ghosts[i].gridX = ghostPositions[i][0]; ghosts[i].gridY = ghostPositions[i][1]; ghosts[i].x = ghosts[i].gridX * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_X; ghosts[i].y = ghosts[i].gridY * CELL_SIZE + CELL_SIZE / 2 + MAZE_OFFSET_Y; ghosts[i].vulnerable = false; } powerMode = false; powerModeTimer = 0; } };