/**** * Classes ****/ var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 20; self.velocityX = 0; self.velocityY = 0; self.damage = 25; self.isPlayerBullet = true; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.speed = 6; self.lastShot = 0; self.shootCooldown = 300; self.lastMove = 0; self.moveTimer = 0; self.targetX = 0; self.targetY = 0; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; // Enemy died } // Flash red when taking damage tween(enemyGraphics, { tint: 0xFF0000 }, { duration: 100, onFinish: function onFinish() { tween(enemyGraphics, { tint: 0xFFFFFF }, { duration: 100 }); } }); return false; }; self.canShoot = function () { return LK.ticks - self.lastShot > self.shootCooldown; }; self.shoot = function (targetX, targetY) { if (!self.canShoot()) { return null; } self.lastShot = LK.ticks; var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; var dx = targetX - self.x; var dy = targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); bullet.velocityX = dx / distance * bullet.speed; bullet.velocityY = dy / distance * bullet.speed; bullet.isPlayerBullet = false; return bullet; }; self.update = function () { // Simple AI movement if (LK.ticks - self.lastMove > self.moveTimer) { self.targetX = player.x + (Math.random() - 0.5) * 400; self.targetY = player.y + (Math.random() - 0.5) * 400; self.targetX = Math.max(200, Math.min(1848, self.targetX)); self.targetY = Math.max(200, Math.min(2532, self.targetY)); self.lastMove = LK.ticks; self.moveTimer = 60 + Math.random() * 120; } // Move towards target var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 10) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; } // Shoot at player occasionally if (self.canShoot() && Math.random() < 0.02) { var bullet = self.shoot(player.x, player.y); if (bullet) { bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); } } }; return self; }); var HealthPack = Container.expand(function () { var self = Container.call(this); var healthGraphics = self.attachAsset('healthPack', { anchorX: 0.5, anchorY: 0.5 }); self.healAmount = 50; self.collected = false; self.update = function () { // Rotate for visual effect healthGraphics.rotation += 0.1; // Check if player collects it if (!self.collected && self.intersects(player)) { player.heal(self.healAmount); self.collected = true; } }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.speed = 8; self.materials = 100; self.lastShot = 0; self.shootCooldown = 200; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; // Player died } // Flash red when taking damage tween(playerGraphics, { tint: 0xFF0000 }, { duration: 100, onFinish: function onFinish() { tween(playerGraphics, { tint: 0xFFFFFF }, { duration: 100 }); } }); return false; }; self.heal = function (amount) { self.health = Math.min(self.maxHealth, self.health + amount); }; self.canShoot = function () { return LK.ticks - self.lastShot > self.shootCooldown; }; self.shoot = function (targetX, targetY) { if (!self.canShoot()) { return null; } self.lastShot = LK.ticks; var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; var dx = targetX - self.x; var dy = targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); bullet.velocityX = dx / distance * bullet.speed; bullet.velocityY = dy / distance * bullet.speed; bullet.isPlayerBullet = true; return bullet; }; return self; }); var Structure = Container.expand(function (type) { var self = Container.call(this); self.structureType = type || 'wall'; self.health = 200; self.maxHealth = 200; var structureGraphics = self.attachAsset(self.structureType, { anchorX: 0.5, anchorY: 0.5 }); self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { return true; // Structure destroyed } // Visual feedback for damage var healthPercent = self.health / self.maxHealth; structureGraphics.alpha = 0.5 + healthPercent * 0.5; return false; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2E7D32 }); /**** * Game Code ****/ // Game state variables var gameMode = 'combat'; // 'combat' or 'build' var selectedStructure = 'wall'; var gridSize = 120; var buildPreview = null; var showBuildGrid = false; // Game objects var player = null; var enemy = null; var bullets = []; var structures = []; var healthPacks = []; var buildGrids = []; // UI elements var healthBar = null; var enemyHealthBar = null; var materialsText = null; var modeText = null; var buildButtons = []; // Initialize UI function initializeUI() { // Player health bar healthBar = new Text2('Health: 100', { size: 40, fill: 0x4CAF50 }); healthBar.anchor.set(0, 0); healthBar.x = 150; healthBar.y = 50; LK.gui.topLeft.addChild(healthBar); // Enemy health bar enemyHealthBar = new Text2('Enemy: 100', { size: 40, fill: 0xF44336 }); enemyHealthBar.anchor.set(1, 0); enemyHealthBar.x = -50; enemyHealthBar.y = 50; LK.gui.topRight.addChild(enemyHealthBar); // Materials counter materialsText = new Text2('Materials: 100', { size: 40, fill: 0x795548 }); materialsText.anchor.set(0, 0); materialsText.x = 150; materialsText.y = 100; LK.gui.topLeft.addChild(materialsText); // Mode indicator modeText = new Text2('Combat Mode', { size: 60, fill: 0xFFFFFF }); modeText.anchor.set(0.5, 0); modeText.x = 0; modeText.y = 50; LK.gui.top.addChild(modeText); // Build mode button var buildModeBtn = new Text2('BUILD', { size: 50, fill: 0xFFC107 }); buildModeBtn.anchor.set(0.5, 1); buildModeBtn.x = -100; buildModeBtn.y = -50; LK.gui.bottom.addChild(buildModeBtn); // Combat mode button var combatModeBtn = new Text2('COMBAT', { size: 50, fill: 0xFF5722 }); combatModeBtn.anchor.set(0.5, 1); combatModeBtn.x = 100; combatModeBtn.y = -50; LK.gui.bottom.addChild(combatModeBtn); // Structure selection buttons (visible in build mode) var wallBtn = new Text2('WALL', { size: 40, fill: 0x8D6E63 }); wallBtn.anchor.set(0, 1); wallBtn.x = 50; wallBtn.y = -120; LK.gui.bottomLeft.addChild(wallBtn); buildButtons.push(wallBtn); var rampBtn = new Text2('RAMP', { size: 40, fill: 0x795548 }); rampBtn.anchor.set(0, 1); rampBtn.x = 50; rampBtn.y = -170; LK.gui.bottomLeft.addChild(rampBtn); buildButtons.push(rampBtn); var floorBtn = new Text2('FLOOR', { size: 40, fill: 0x6D4C41 }); floorBtn.anchor.set(0, 1); floorBtn.x = 50; floorBtn.y = -220; LK.gui.bottomLeft.addChild(floorBtn); buildButtons.push(floorBtn); updateBuildButtonsVisibility(); } function updateBuildButtonsVisibility() { for (var i = 0; i < buildButtons.length; i++) { buildButtons[i].visible = gameMode === 'build'; } } function updateUI() { if (player) { healthBar.setText('Health: ' + player.health); materialsText.setText('Materials: ' + player.materials); } if (enemy) { enemyHealthBar.setText('Enemy: ' + enemy.health); } modeText.setText(gameMode === 'build' ? 'Build Mode' : 'Combat Mode'); } function switchMode(newMode) { gameMode = newMode; updateBuildButtonsVisibility(); if (gameMode === 'build') { showBuildGrid = true; createBuildGrid(); } else { showBuildGrid = false; clearBuildGrid(); if (buildPreview) { buildPreview.destroy(); buildPreview = null; } } } function createBuildGrid() { clearBuildGrid(); for (var x = gridSize; x < 2048; x += gridSize) { for (var y = gridSize; y < 2732; y += gridSize) { var grid = LK.getAsset('buildGrid', { anchorX: 0.5, anchorY: 0.5 }); grid.x = x; grid.y = y; grid.alpha = 0.2; buildGrids.push(grid); game.addChild(grid); } } } function clearBuildGrid() { for (var i = 0; i < buildGrids.length; i++) { buildGrids[i].destroy(); } buildGrids = []; } function snapToGrid(x, y) { var snappedX = Math.round(x / gridSize) * gridSize; var snappedY = Math.round(y / gridSize) * gridSize; return { x: snappedX, y: snappedY }; } function canBuildAt(x, y) { // Check if position is within bounds if (x < gridSize || x >= 2048 - gridSize || y < gridSize || y >= 2732 - gridSize) { return false; } // Check if there's already a structure here for (var i = 0; i < structures.length; i++) { var structure = structures[i]; var dx = Math.abs(structure.x - x); var dy = Math.abs(structure.y - y); if (dx < gridSize && dy < gridSize) { return false; } } return true; } function buildStructure(x, y, type) { var snapped = snapToGrid(x, y); if (!canBuildAt(snapped.x, snapped.y)) { return false; } var cost = 10; if (player.materials < cost) { return false; } player.materials -= cost; var structure = new Structure(type); structure.x = snapped.x; structure.y = snapped.y; structures.push(structure); game.addChild(structure); LK.getSound('build').play(); return true; } function spawnHealthPack() { if (healthPacks.length >= 3) { return; } // Max 3 health packs var healthPack = new HealthPack(); healthPack.x = 200 + Math.random() * 1648; healthPack.y = 200 + Math.random() * 2332; healthPacks.push(healthPack); game.addChild(healthPack); } // Initialize game objects function initializeGame() { // Create player player = new Player(); player.x = 1024; player.y = 2200; game.addChild(player); // Create enemy enemy = new Enemy(); enemy.x = 1024; enemy.y = 500; game.addChild(enemy); // Initialize UI initializeUI(); // Spawn initial health pack spawnHealthPack(); } // Event handlers function handleMove(x, y, obj) { if (gameMode === 'build' && buildPreview) { var snapped = snapToGrid(x, y); buildPreview.x = snapped.x; buildPreview.y = snapped.y; buildPreview.alpha = canBuildAt(snapped.x, snapped.y) ? 0.7 : 0.3; } } function handleDown(x, y, obj) { if (gameMode === 'combat') { // Shoot at target location if (player.canShoot()) { var bullet = player.shoot(x, y); if (bullet) { bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); } } } else if (gameMode === 'build') { // Build structure buildStructure(x, y, selectedStructure); } } function handleUp(x, y, obj) { // Check UI button clicks using game coordinates var gamePos = game.toLocal({ x: x, y: y }); // Convert to GUI coordinates for button detection var guiBottomX = gamePos.x - 1024; // Relative to center var guiBottomY = gamePos.y - 2732; // Relative to bottom // Build mode button if (guiBottomX >= -150 && guiBottomX <= -50 && guiBottomY >= -100 && guiBottomY <= 0) { switchMode('build'); } // Combat mode button if (guiBottomX >= 50 && guiBottomX <= 150 && guiBottomY >= -100 && guiBottomY <= 0) { switchMode('combat'); } // Structure selection buttons if (gameMode === 'build') { var guiLeftX = gamePos.x; // Relative to left var guiLeftY = gamePos.y - 2732; // Relative to bottom if (guiLeftX >= 50 && guiLeftX <= 150) { if (guiLeftY >= -150 && guiLeftY <= -100) { selectedStructure = 'wall'; } else if (guiLeftY >= -200 && guiLeftY <= -150) { selectedStructure = 'ramp'; } else if (guiLeftY >= -250 && guiLeftY <= -200) { selectedStructure = 'floor'; } } } } // Assign event handlers game.move = handleMove; game.down = handleDown; game.up = handleUp; // Main game loop game.update = function () { // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; // Track last position for boundary checking if (bullet.lastX === undefined) { bullet.lastX = bullet.x; } if (bullet.lastY === undefined) { bullet.lastY = bullet.y; } // Check if bullet went off screen if (bullet.lastX >= 0 && bullet.x < 0 || bullet.lastX <= 2048 && bullet.x > 2048 || bullet.lastY >= 0 && bullet.y < 0 || bullet.lastY <= 2732 && bullet.y > 2732) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check collisions with structures var hitStructure = false; for (var j = structures.length - 1; j >= 0; j--) { var structure = structures[j]; if (bullet.intersects(structure)) { if (structure.takeDamage(bullet.damage)) { structure.destroy(); structures.splice(j, 1); } hitStructure = true; break; } } if (hitStructure) { bullet.destroy(); bullets.splice(i, 1); LK.getSound('hit').play(); continue; } // Check collisions with players if (bullet.isPlayerBullet && bullet.intersects(enemy)) { if (enemy.takeDamage(bullet.damage)) { LK.showYouWin(); return; } bullet.destroy(); bullets.splice(i, 1); LK.getSound('hit').play(); continue; } else if (!bullet.isPlayerBullet && bullet.intersects(player)) { if (player.takeDamage(bullet.damage)) { LK.showGameOver(); return; } bullet.destroy(); bullets.splice(i, 1); LK.getSound('hit').play(); continue; } // Update last position bullet.lastX = bullet.x; bullet.lastY = bullet.y; } // Update health packs for (var i = healthPacks.length - 1; i >= 0; i--) { var healthPack = healthPacks[i]; if (healthPack.collected) { healthPack.destroy(); healthPacks.splice(i, 1); } } // Spawn health packs periodically if (LK.ticks % 600 === 0) { // Every 10 seconds spawnHealthPack(); } // Give player materials over time if (LK.ticks % 180 === 0) { // Every 3 seconds player.materials = Math.min(200, player.materials + 5); } // Update UI updateUI(); // Handle build mode preview if (gameMode === 'build' && !buildPreview) { buildPreview = LK.getAsset(selectedStructure, { anchorX: 0.5, anchorY: 0.5 }); buildPreview.alpha = 0.5; game.addChild(buildPreview); } else if (gameMode !== 'build' && buildPreview) { buildPreview.destroy(); buildPreview = null; } // Update build preview structure type if (buildPreview && buildPreview.structureType !== selectedStructure) { buildPreview.destroy(); buildPreview = LK.getAsset(selectedStructure, { anchorX: 0.5, anchorY: 0.5 }); buildPreview.alpha = 0.5; game.addChild(buildPreview); } }; // Start the game initializeGame();