/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { highScore: 0 }); /**** * Classes ****/ // Boss ship class var BossShip = Container.expand(function () { var self = Container.call(this); // Attach boss asset (use enemyShip but much larger, and red tint) var boss = self.attachAsset('enemyShip', { width: 480, height: 480, color: 0xff0000, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5 }); self.radius = 240; self.isAlive = true; self.health = 40; self.maxHealth = 40; self.lastY = undefined; // Boss always at top center, stationary self.x = GAME_WIDTH / 2; self.y = 340; // Boss update self.update = function () { // Boss remains stationary at top center // Unique Skill 1: Radial bullet spread every 120 ticks if (LK.ticks % 120 === 0) { var numBullets = 14; for (var i = 0; i < numBullets; i++) { var angle = 2 * Math.PI / numBullets * i; var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y + 220; // Give bullet a custom direction bullet.customVX = Math.cos(angle) * 13; bullet.customVY = Math.sin(angle) * 13; bullet.update = function () { this.x += this.customVX; this.y += this.customVY; }; enemyBullets.push(bullet); game.addChild(bullet); } } // Unique Skill 2: Laser attack every 300 ticks (fires a fast straight bullet down the center) if (LK.ticks % 300 === 0) { var laser = new EnemyBullet(); laser.x = self.x; laser.y = self.y + 260; laser.speed = 38; laser.radius = 60; // Make it visually larger var asset = laser.children[0]; if (asset) { asset.width = 90; asset.height = 340; } enemyBullets.push(laser); game.addChild(laser); } // Unique Skill 3: Area attack (big slow bullet straight down) every 180 ticks if (LK.ticks % 180 === 0) { var area = new EnemyBullet(); area.x = self.x; area.y = self.y + 240; area.speed = 10; area.radius = 120; var asset = area.children[0]; if (asset) { asset.width = 220; asset.height = 120; } enemyBullets.push(area); game.addChild(area); } }; // Flash on hit self.flash = function () { tween(boss, { tint: 0xffffff }, { duration: 80, onFinish: function onFinish() { tween(boss, { tint: 0xff0000 }, { duration: 120 }); } }); }; return self; }); // Enemy bullet class var EnemyBullet = Container.expand(function () { var self = Container.call(this); // Attach bullet asset (red, 24x48) var bullet = self.attachAsset('enemyBullet', { width: 24, height: 48, color: 0xff4444, shape: 'box', anchorX: 0.5, anchorY: 0.5 }); self.speed = 14; self.radius = 12; self.update = function () { self.y += self.speed; }; return self; }); // Enemy ship class var EnemyShip = Container.expand(function () { var self = Container.call(this); // Attach enemy asset (ellipse, magenta, 220x220) var enemy = self.attachAsset('enemyShip', { width: 220, height: 220, color: 0xff33cc, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5 }); self.radius = 110; self.speed = 4 + Math.random() * 2; // Vary speed self.dirX = (Math.random() - 0.5) * 2; // Slight horizontal drift // For movement patterns self.waveOffset = Math.random() * Math.PI * 2; // For collision self.isAlive = true; // Update per frame self.update = function () { // Move down, with a sine wave pattern self.y += self.speed; self.x += Math.sin(LK.ticks / 30 + self.waveOffset) * 2 + self.dirX; // Prevent enemy from moving outside the horizontal screen area var minX = 60; var maxX = 2048 - 60; if (self.x < minX) { self.x = minX; self.dirX = Math.abs(self.dirX); // bounce right } if (self.x > maxX) { self.x = maxX; self.dirX = -Math.abs(self.dirX); // bounce left } }; // Flash on hit self.flash = function () { tween(enemy, { tint: 0xffffff }, { duration: 80, onFinish: function onFinish() { tween(enemy, { tint: 0xff33cc }, { duration: 120 }); } }); }; return self; }); // Player bullet class var PlayerBullet = Container.expand(function () { var self = Container.call(this); // Attach bullet asset (yellow, 30x60) var bullet = self.attachAsset('playerBullet', { width: 30, height: 60, color: 0xffe066, shape: 'box', anchorX: 0.5, anchorY: 0.5 }); self.speed = -22; self.radius = 15; self.update = function () { self.y += self.speed; }; return self; }); // Player spaceship class var PlayerShip = Container.expand(function () { var self = Container.call(this); // Attach ship asset (box, blue, 220x220) var ship = self.attachAsset('playerShip', { width: 220, height: 220, color: 0x3399ff, shape: 'box', anchorX: 0.5, anchorY: 0.5 }); // Ship properties self.radius = 110; // for collision self.isAlive = true; // Ship flash effect on hit self.flash = function () { tween(ship, { tint: 0xff3333 }, { duration: 100, onFinish: function onFinish() { tween(ship, { tint: 0x3399ff }, { duration: 200 }); } }); }; return self; }); // Powerup class var PowerUp = Container.expand(function () { var self = Container.call(this); // Attach powerup asset (green ellipse, 120x120) var pu = self.attachAsset('powerUp', { width: 120, height: 120, color: 0x44ff88, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5 }); self.radius = 60; self.speed = 6; self.update = function () { self.y += self.speed; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000010 }); /**** * Game Code ****/ // --- Start Screen Overlay --- var startScreenOverlay = new Container(); // Large main title: "Space Wars" var mainTitle = new Text2('Space Wars', { size: 220, fill: 0xFFD700, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); mainTitle.anchor.set(0.5, 0); mainTitle.x = GAME_WIDTH / 2; mainTitle.y = 120; // Subtitle: "Galactic Showdown" var subTitle = new Text2('Galactic Showdown', { size: 110, fill: 0x99e6ff, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); subTitle.anchor.set(0.5, 0); subTitle.x = GAME_WIDTH / 2; subTitle.y = mainTitle.y + mainTitle.height + 20; // --- SHOP MENU UI --- // Shop state var shopOpen = false; var shopOverlay = new Container(); shopOverlay.visible = false; var shopTitle = new Text2('Costume Shop', { size: 120, fill: 0xFFD700, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopTitle.anchor.set(0.5, 0); shopTitle.x = GAME_WIDTH / 2; shopTitle.y = 120; shopOverlay.addChild(shopTitle); // Define costumes (id, name, price, asset) var costumes = [{ id: "default", name: "Classic", price: 0, asset: "playerShip" }, { id: "red", name: "Red Comet", price: 200, asset: "enemyShip" }, { id: "gold", name: "Gold Star", price: 500, asset: "playerBullet" }]; // Persistent unlocks if (!storage.unlockedCostumes) storage.unlockedCostumes = { "default": true }; if (!storage.selectedCostume) storage.selectedCostume = "default"; // Shop navigation state var shopIndex = 0; function updateShopUI() { // Remove old preview if any if (shopOverlay.costumePreview) { shopOverlay.removeChild(shopOverlay.costumePreview); shopOverlay.costumePreview = null; } var c = costumes[shopIndex]; var preview = LK.getAsset(c.asset, { width: 320, height: 320, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: 520 }); shopOverlay.addChild(preview); shopOverlay.costumePreview = preview; // Update name/price shopNameTxt.setText(c.name); if (c.price === 0) { shopPriceTxt.setText("Unlocked"); } else if (storage.unlockedCostumes[c.id]) { shopPriceTxt.setText("Unlocked"); } else { shopPriceTxt.setText("Price: " + c.price + " pts"); } // Show select/unlock button if (storage.unlockedCostumes[c.id]) { shopActionBtnText.setText(storage.selectedCostume === c.id ? "Selected" : "Select"); } else { shopActionBtnText.setText("Unlock"); } // Hide select if already selected shopActionBtn.alpha = storage.selectedCostume === c.id && storage.unlockedCostumes[c.id] ? 0.5 : 1; } // Costume name var shopNameTxt = new Text2('', { size: 80, fill: 0xffffff, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopNameTxt.anchor.set(0.5, 0); shopNameTxt.x = GAME_WIDTH / 2; shopNameTxt.y = 900; shopOverlay.addChild(shopNameTxt); // Costume price var shopPriceTxt = new Text2('', { size: 60, fill: 0xFFD700, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopPriceTxt.anchor.set(0.5, 0); shopPriceTxt.x = GAME_WIDTH / 2; shopPriceTxt.y = 1020; shopOverlay.addChild(shopPriceTxt); // Action button (Unlock/Select) var shopActionBtn = LK.getAsset('playerBullet', { width: 420, height: 110, color: 0x00ccff, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: 1200 }); var shopActionBtnText = new Text2('', { size: 70, fill: 0xffffff, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopActionBtnText.anchor.set(0.5, 0.5); shopActionBtnText.x = shopActionBtn.x; shopActionBtnText.y = shopActionBtn.y; shopOverlay.addChild(shopActionBtn); shopOverlay.addChild(shopActionBtnText); // Left/right nav buttons var shopLeftBtn = LK.getAsset('enemyBullet', { width: 100, height: 100, color: 0xFFD700, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2 - 300, y: 520 }); var shopRightBtn = LK.getAsset('enemyBullet', { width: 100, height: 100, color: 0xFFD700, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2 + 300, y: 520 }); shopOverlay.addChild(shopLeftBtn); shopOverlay.addChild(shopRightBtn); // Close button var shopCloseBtn = LK.getAsset('playerBullet', { width: 180, height: 80, color: 0x888888, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: 1450 }); var shopCloseBtnText = new Text2('Close', { size: 50, fill: 0xffffff, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopCloseBtnText.anchor.set(0.5, 0.5); shopCloseBtnText.x = shopCloseBtn.x; shopCloseBtnText.y = shopCloseBtn.y; shopOverlay.addChild(shopCloseBtn); shopOverlay.addChild(shopCloseBtnText); // Shop button on start screen var shopBtn = LK.getAsset('playerBullet', { width: 320, height: 100, color: 0xFFD700, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: GAME_HEIGHT / 2 + 320 }); var shopBtnText = new Text2('SHOP', { size: 70, fill: 0x000000, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); shopBtnText.anchor.set(0.5, 0.5); shopBtnText.x = shopBtn.x; shopBtnText.y = shopBtn.y; // Shop button handler shopBtn.down = function (x, y, obj) { if (shopOpen) return; shopOpen = true; shopOverlay.visible = true; LK.gui.center.addChild(shopOverlay); updateShopUI(); // Hide start overlay if (startScreenOverlay.parent) startScreenOverlay.visible = false; }; // Shop close handler shopCloseBtn.down = function (x, y, obj) { shopOpen = false; shopOverlay.visible = false; if (shopOverlay.parent) LK.gui.center.removeChild(shopOverlay); if (startScreenOverlay && !gameStarted) startScreenOverlay.visible = true; }; // Shop left/right nav shopLeftBtn.down = function (x, y, obj) { shopIndex = (shopIndex + costumes.length - 1) % costumes.length; updateShopUI(); }; shopRightBtn.down = function (x, y, obj) { shopIndex = (shopIndex + 1) % costumes.length; updateShopUI(); }; // Shop action (unlock/select) shopActionBtn.down = function (x, y, obj) { var c = costumes[shopIndex]; if (storage.unlockedCostumes[c.id]) { // Select storage.selectedCostume = c.id; updateShopUI(); } else { // Unlock if enough score var score = LK.getScore(); if (score >= c.price) { LK.setScore(score - c.price); scoreTxt.setText(LK.getScore()); storage.unlockedCostumes[c.id] = true; storage.selectedCostume = c.id; updateShopUI(); } else { // Not enough points, flash price red shopPriceTxt.setText("Need " + (c.price - score) + " more!"); tween(shopPriceTxt, { fill: 0xff0000 }, { duration: 200, onFinish: function onFinish() { shopPriceTxt.setText("Price: " + c.price + " pts"); } }); } } }; // Add to overlay startScreenOverlay.addChild(mainTitle); startScreenOverlay.addChild(subTitle); startScreenOverlay.addChild(shopBtn); startScreenOverlay.addChild(shopBtnText); // Play button (large, centered) var playBtn = LK.getAsset('playerBullet', { width: 520, height: 140, color: 0x00ccff, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: GAME_HEIGHT / 2 + 120 }); var playBtnText = new Text2('PLAY', { size: 100, fill: 0xffffff, font: "'GillSans-Bold',Impact,'Arial Black',Tahoma" }); playBtnText.anchor.set(0.5, 0.5); playBtnText.x = playBtn.x; playBtnText.y = playBtn.y; startScreenOverlay.addChild(playBtn); startScreenOverlay.addChild(playBtnText); // Animate main title in mainTitle.alpha = 0; tween(mainTitle, { alpha: 1 }, { duration: 700, easing: tween.cubicOut }); // Animate subtitle in (slightly delayed) subTitle.alpha = 0; tween(subTitle, { alpha: 1 }, { duration: 700, delay: 200, easing: tween.cubicOut }); // Animate play button in playBtn.alpha = 0; playBtnText.alpha = 0; tween(playBtn, { alpha: 1 }, { duration: 700, easing: tween.cubicOut }); tween(playBtnText, { alpha: 1 }, { duration: 900, easing: tween.cubicOut }); // Add to overlay startScreenOverlay.addChild(mainTitle); startScreenOverlay.addChild(subTitle); startScreenOverlay.addChild(playBtn); startScreenOverlay.addChild(playBtnText); LK.gui.center.addChild(startScreenOverlay); // Block gameplay until Play is pressed var gameStarted = false; function hideStartScreen() { if (startScreenOverlay.parent) { LK.gui.center.removeChild(startScreenOverlay); } gameStarted = true; } // Play button interaction playBtn.down = function (x, y, obj) { if (gameStarted) return; // Animate out tween(startScreenOverlay, { alpha: 0 }, { duration: 400, easing: tween.cubicIn, onFinish: function onFinish() { // Start background music only after Play is clicked LK.playMusic('sapce'); hideStartScreen(); } }); }; playBtn.move = function (x, y, obj) {}; playBtn.up = function (x, y, obj) {}; // Block all gameplay input until started var origGameMove = game.move; var origGameDown = game.down; var origGameUp = game.up; game.move = function (x, y, obj) { if (!gameStarted) return; if (origGameMove) origGameMove(x, y, obj); }; game.down = function (x, y, obj) { if (!gameStarted) return; if (origGameDown) origGameDown(x, y, obj); }; game.up = function (x, y, obj) { if (!gameStarted) return; if (origGameUp) origGameUp(x, y, obj); }; // --- Volume Control UI on Pause --- var volumeSlider = null; var volumeLabel = null; var lastPauseState = false; // Helper to create volume slider UI function showVolumeSlider() { if (!LK.isPaused) return; if (volumeSlider) return; // Already shown // Create label volumeLabel = new Text2('Music Volume', { size: 60, fill: 0xFFFFFF }); volumeLabel.anchor.set(0.5, 0.5); volumeLabel.x = GAME_WIDTH / 2; volumeLabel.y = GAME_HEIGHT / 2 - 120; LK.gui.center.addChild(volumeLabel); // Create slider background var sliderBg = LK.getAsset('playerBullet', { width: 500, height: 32, color: 0x222222, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: GAME_HEIGHT / 2 }); LK.gui.center.addChild(sliderBg); // Create slider knob volumeSlider = LK.getAsset('enemyBullet', { width: 60, height: 60, color: 0xFFD700, anchorX: 0.5, anchorY: 0.5, x: GAME_WIDTH / 2, y: GAME_HEIGHT / 2 }); LK.gui.center.addChild(volumeSlider); // Set initial knob position based on current music volume var currentVolume = LK.getMusicVolume ? LK.getMusicVolume() : 1; var minX = GAME_WIDTH / 2 - 220; var maxX = GAME_WIDTH / 2 + 220; volumeSlider.x = minX + (maxX - minX) * currentVolume; // Drag logic var dragging = false; volumeSlider.down = function (x, y, obj) { dragging = true; }; volumeSlider.up = function (x, y, obj) { dragging = false; }; // Move handler for slider volumeSlider.move = function (x, y, obj) { if (!dragging) return; var minX = GAME_WIDTH / 2 - 220; var maxX = GAME_WIDTH / 2 + 220; var px = Math.max(minX, Math.min(maxX, x)); volumeSlider.x = px; // Calculate volume (0..1) var vol = (px - minX) / (maxX - minX); if (vol < 0) vol = 0; if (vol > 1) vol = 1; LK.setMusicVolume ? LK.setMusicVolume(vol) : null; }; // Attach move/up to gui.center for mobile, but only if game is paused LK.gui.center.move = function (x, y, obj) { if (LK.isPaused && dragging) { volumeSlider.move(x, y, obj); } }; LK.gui.center.up = function (x, y, obj) { if (LK.isPaused) { dragging = false; } }; } // Helper to remove volume slider UI function hideVolumeSlider() { if (volumeSlider) { LK.gui.center.removeChild(volumeSlider); volumeSlider = null; } if (volumeLabel) { LK.gui.center.removeChild(volumeLabel); volumeLabel = null; } // Remove slider background if present var children = LK.gui.center.children; for (var i = children.length - 1; i >= 0; i--) { var c = children[i]; if (c && c.width === 500 && c.height === 32 && c.color === 0x222222) { LK.gui.center.removeChild(c); } } // Remove move/up handlers LK.gui.center.move = null; LK.gui.center.up = null; } // Listen for pause/resume to show/hide slider LK.on('pause', function () { showVolumeSlider(); }); LK.on('resume', function () { hideVolumeSlider(); }); var backgroundImg = LK.getAsset('background', { width: GAME_WIDTH, height: GAME_HEIGHT, anchorX: 0, anchorY: 0, x: 0, y: 0 }); game.addChildAt(backgroundImg, 0); // Always at the back layer // Play sapce music at game start // (Music will be started after Play is clicked, see playBtn.down handler) // LK.playMusic('sapce'); // Health bar asset (simple red bar, 600x40) // Game constants var GAME_WIDTH = 2048; var GAME_HEIGHT = 2732; var PLAYER_START_X = GAME_WIDTH / 2; var PLAYER_START_Y = GAME_HEIGHT - 350; // Level system variables var currentLevel = 1; var enemiesPerLevel = 6; // base number of enemies for level 1 var enemiesToSpawn = enemiesPerLevel; var enemiesKilledThisLevel = 0; var enemyScoreBase = 10; // base score for level 1 var enemyScoreThisLevel = enemyScoreBase; // Game state var player; var enemies = []; var playerBullets = []; var enemyBullets = []; var powerUps = []; var dragNode = null; var lastScore = 0; var scoreTxt; var powerUpActive = false; var powerUpTimer = 0; var enemySpawnTimer = 0; var enemyFireTimer = 0; var powerUpSpawnTimer = 0; var gameOver = false; // Boss state var bossActive = false; var bossShip = null; var bossHealthBar = null; // Score display scoreTxt = new Text2('0', { size: 120, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Import storage plugin for persistent high score // High score display (top right, avoid top right 100x100) var highScore = storage.highScore || 0; var highScoreTxt = new Text2('High: ' + highScore, { size: 60, fill: 0xFFD700 }); highScoreTxt.anchor.set(1, 0); highScoreTxt.x = GAME_WIDTH - 120; highScoreTxt.y = 0; LK.gui.top.addChild(highScoreTxt); // Health system var playerHealth = 5; // Heart icon assets (use 5 separate heart images for live updating) var heartIcons = []; var heartAssetNames = ['heart1', 'heart2', 'heart3', 'heart4', 'heart5']; for (var i = 0; i < 5; i++) { var heart = LK.getAsset(heartAssetNames[i], { width: 60, height: 60, anchorX: 0.5, anchorY: 0.5, x: 200 + i * 70, y: 30 }); LK.gui.top.addChild(heart); heartIcons.push(heart); } // Helper to update heart icons based on playerHealth function updateHearts() { for (var i = 0; i < heartIcons.length; i++) { heartIcons[i].alpha = i < playerHealth ? 1 : 0.2; } } updateHearts(); // Level display (top left, avoid top left 100x100) var levelTxt = new Text2('Level 1', { size: 40, fill: 0xFFD700 }); levelTxt.anchor.set(0, 0); levelTxt.x = 180; levelTxt.y = 100; LK.gui.top.addChild(levelTxt); // Enemies left display (top left, avoid top left 100x100) var enemiesLeftTxt = new Text2('Enemies: 0', { size: 40, fill: 0xFF8888 }); enemiesLeftTxt.anchor.set(0, 0); enemiesLeftTxt.x = 180; enemiesLeftTxt.y = 60; LK.gui.top.addChild(enemiesLeftTxt); // Initialize player player = new PlayerShip(); // Apply selected costume if not default if (storage.selectedCostume && storage.selectedCostume !== "default") { var costume = null; for (var i = 0; i < costumes.length; i++) { if (costumes[i].id === storage.selectedCostume) costume = costumes[i]; } if (costume) { // Remove old asset and attach new if (player.children.length > 0) player.removeChild(player.children[0]); var costumeAsset = player.attachAsset(costume.asset, { width: 220, height: 220, anchorX: 0.5, anchorY: 0.5 }); } } player.x = PLAYER_START_X; player.y = PLAYER_START_Y; game.addChild(player); // Touch/move controls function handleMove(x, y, obj) { if (dragNode && player.isAlive) { // Clamp to game area, avoid top 100px (menu) var px = Math.max(60, Math.min(GAME_WIDTH - 60, x)); var py = Math.max(200, Math.min(GAME_HEIGHT - 60, y)); dragNode.x = px; dragNode.y = py; } } game.move = handleMove; game.down = function (x, y, obj) { if (player.isAlive) { dragNode = player; handleMove(x, y, obj); } }; game.up = function (x, y, obj) { dragNode = null; }; // Helper: collision check (circle vs circle) function circlesIntersect(a, b) { var dx = a.x - b.x; var dy = a.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); return dist < a.radius + b.radius; } // Helper: spawn enemy function spawnEnemy() { var enemy = new EnemyShip(); // Spawn in random horizontal position, avoid edges enemy.x = 120 + Math.random() * (GAME_WIDTH - 240); enemy.y = -100; enemies.push(enemy); game.addChild(enemy); } // Helper: spawn enemy bullet function spawnEnemyBullet(enemy) { var bullet = new EnemyBullet(); bullet.x = enemy.x; bullet.y = enemy.y + 60; enemyBullets.push(bullet); game.addChild(bullet); } // Helper: spawn player bullet function spawnPlayerBullet() { var bullet = new PlayerBullet(); bullet.x = player.x; bullet.y = player.y - 80; playerBullets.push(bullet); game.addChild(bullet); } // Helper: spawn powerup function spawnPowerUp() { var pu = new PowerUp(); pu.x = 120 + Math.random() * (GAME_WIDTH - 240); pu.y = -60; powerUps.push(pu); game.addChild(pu); } // Powerup effect: double shot function activatePowerUp() { powerUpActive = true; powerUpTimer = LK.ticks + 360; // 6 seconds at 60fps // Flash player ship green tween(player, { tint: 0x44ff88 }, { duration: 200, onFinish: function onFinish() { tween(player, { tint: 0x3399ff }, { duration: 200 }); } }); } // Main game update game.update = function () { if (!gameStarted) { return; } if (!player.isAlive) { return; } // --- Player auto-fire --- if (LK.ticks % (powerUpActive ? 7 : 14) === 0) { if (powerUpActive) { // Double shot: two bullets var b1 = new PlayerBullet(); b1.x = player.x - 36; b1.y = player.y - 80; playerBullets.push(b1); game.addChild(b1); var b2 = new PlayerBullet(); b2.x = player.x + 36; b2.y = player.y - 80; playerBullets.push(b2); game.addChild(b2); } else { spawnPlayerBullet(); } } // --- Enemy spawn --- if (!bossActive && enemySpawnTimer <= LK.ticks && enemiesToSpawn > 0) { spawnEnemy(); enemiesToSpawn--; // Escalate spawn rate var minDelay = 24, maxDelay = 60; var delay = Math.max(minDelay, maxDelay - Math.floor(LK.getScore() / 10) * 4); enemySpawnTimer = LK.ticks + delay; // Update enemies left UI enemiesLeftTxt.setText('Enemies: ' + (enemiesToSpawn + enemies.length)); } // --- Enemy fire --- if (!bossActive && enemyFireTimer <= LK.ticks && enemies.length > 0) { // Pick random enemy to fire var idx = Math.floor(Math.random() * enemies.length); if (enemies[idx]) { spawnEnemyBullet(enemies[idx]); } // Reduce fire rate: increase min and max fire delay for better balance var minFire = 36, // was 18 maxFire = 100; // was 50 var fireDelay = Math.max(minFire, maxFire - Math.floor(LK.getScore() / 10) * 3); enemyFireTimer = LK.ticks + fireDelay; } // --- Powerup spawn --- if (powerUpSpawnTimer <= LK.ticks) { if (Math.random() < 0.18) { // ~18% chance spawnPowerUp(); } powerUpSpawnTimer = LK.ticks + 300 + Math.floor(Math.random() * 200); } // --- Powerup timer --- if (powerUpActive && LK.ticks > powerUpTimer) { powerUpActive = false; } // --- Update player bullets --- for (var i = playerBullets.length - 1; i >= 0; i--) { var b = playerBullets[i]; b.update(); // Remove if off screen if (b.y < -80) { b.destroy(); playerBullets.splice(i, 1); continue; } // Check collision with enemies for (var j = enemies.length - 1; j >= 0; j--) { var e = enemies[j]; if (e.isAlive && circlesIntersect(b, e)) { e.isAlive = false; b.destroy(); playerBullets.splice(i, 1); // --- Quick fire burst effect for enemy hit --- var fireBurst = LK.getAsset('enemyBullet', { width: 120, height: 120, color: 0xffa200, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5, x: e.x, y: e.y }); fireBurst.alpha = 0.85; fireBurst.scaleX = 1.0; fireBurst.scaleY = 1.0; game.addChild(fireBurst); tween(fireBurst, { tint: 0xfff200, scaleX: 2.2, scaleY: 2.2, alpha: 0 }, { duration: 120, easing: tween.cubicOut, onFinish: function onFinish() { fireBurst.destroy(); } }); e.destroy(); enemies.splice(j, 1); // Score (scaled by level) LK.setScore(LK.getScore() + enemyScoreThisLevel); scoreTxt.setText(LK.getScore()); if (LK.getScore() > highScore) { highScore = LK.getScore(); highScoreTxt.setText('High: ' + highScore); storage.highScore = highScore; } // Track kills for level progression enemiesKilledThisLevel++; enemiesLeftTxt.setText('Enemies: ' + (enemiesToSpawn + enemies.length)); // If all enemies for this level are killed, immediately start a new level (endless progression) if (enemiesKilledThisLevel >= enemiesPerLevel) { // Boss fight every 5 levels if ((currentLevel + 1) % 5 === 0) { // Spawn boss bossActive = true; bossShip = new BossShip(); // BossShip class now sets its own x/y to top center and is stationary game.addChild(bossShip); // Add boss health bar if (bossHealthBar) { LK.gui.top.removeChild(bossHealthBar); } bossHealthBar = new Text2('Boss: ' + bossShip.health + '/' + bossShip.maxHealth, { size: 90, fill: 0xFF2222 }); bossHealthBar.anchor.set(0.5, 0); bossHealthBar.x = GAME_WIDTH / 2; bossHealthBar.y = 80; LK.gui.top.addChild(bossHealthBar); // Play boss music LK.playMusic('boss'); // UI levelTxt.setText('Boss Level ' + (currentLevel + 1)); enemiesLeftTxt.setText('Boss Fight!'); LK.effects.flashScreen(0xffcc00, 600); } else { // Next level! Endless progression currentLevel++; enemiesPerLevel = Math.floor(enemiesPerLevel * 1.25) + 1; // escalate number of enemies enemiesToSpawn = enemiesPerLevel; enemiesKilledThisLevel = 0; enemyScoreThisLevel = enemyScoreBase * Math.pow(2, currentLevel - 1); // Update UI levelTxt.setText('Level ' + currentLevel); enemiesLeftTxt.setText('Enemies: ' + (enemiesToSpawn + enemies.length)); // Optionally: flash screen or give feedback LK.effects.flashScreen(0x00ffcc, 400); } } break; } } } // --- Boss fight logic --- if (bossActive && bossShip && bossShip.isAlive) { bossShip.update(); // Boss health bar always at top center and visible only when boss is present if (!bossHealthBar) { bossHealthBar = new Text2('Boss: ' + bossShip.health + '/' + bossShip.maxHealth, { size: 90, fill: 0xFF2222 }); bossHealthBar.anchor.set(0.5, 0); bossHealthBar.x = GAME_WIDTH / 2; bossHealthBar.y = 80; LK.gui.top.addChild(bossHealthBar); } else { bossHealthBar.x = GAME_WIDTH / 2; bossHealthBar.y = 80; bossHealthBar.setText('Boss: ' + bossShip.health + '/' + bossShip.maxHealth); } // Check player bullet collision with boss for (var i = playerBullets.length - 1; i >= 0; i--) { var b = playerBullets[i]; if (bossShip.isAlive && circlesIntersect(bossShip, b)) { bossShip.health--; bossShip.flash(); b.destroy(); playerBullets.splice(i, 1); if (bossShip.health <= 0) { bossShip.isAlive = false; bossActive = false; // Remove boss health bar if (bossHealthBar) { LK.gui.top.removeChild(bossHealthBar); bossHealthBar = null; } // Resume sapce music after boss fight LK.playMusic('sapce'); // Score for boss LK.setScore(LK.getScore() + 100 * currentLevel); scoreTxt.setText(LK.getScore()); if (LK.getScore() > highScore) { highScore = LK.getScore(); highScoreTxt.setText('High: ' + highScore); storage.highScore = highScore; } // Next level currentLevel++; enemiesPerLevel = Math.floor(enemiesPerLevel * 1.25) + 1; enemiesToSpawn = enemiesPerLevel; enemiesKilledThisLevel = 0; enemyScoreThisLevel = enemyScoreBase * Math.pow(2, currentLevel - 1); levelTxt.setText('Level ' + currentLevel); enemiesLeftTxt.setText('Enemies: ' + enemiesPerLevel); LK.effects.flashScreen(0x00ffcc, 600); // Remove boss bossShip.destroy(); bossShip = null; } break; } } // Boss collision with player if (player.isAlive && bossShip && bossShip.isAlive && circlesIntersect(bossShip, player)) { bossShip.isAlive = false; bossActive = false; if (bossHealthBar) { LK.gui.top.removeChild(bossHealthBar); bossHealthBar = null; } // Resume sapce music after boss fight LK.playMusic('sapce'); player.flash(); playerHealth--; updateHearts(); LK.effects.flashScreen(0xff0000, 400); if (playerHealth <= 0) { player.isAlive = false; tween(player, { alpha: 0.2 }, { duration: 400 }); LK.setTimeout(function () { LK.showGameOver(); }, 900); } bossShip.destroy(); bossShip = null; } } // --- Update enemy bullets --- for (var i = enemyBullets.length - 1; i >= 0; i--) { var eb = enemyBullets[i]; eb.update(); if (eb.y > GAME_HEIGHT + 80) { eb.destroy(); enemyBullets.splice(i, 1); continue; } // Check collision with player if (player.isAlive && circlesIntersect(eb, player)) { eb.destroy(); enemyBullets.splice(i, 1); player.flash(); playerHealth--; updateHearts(); LK.effects.flashScreen(0xff0000, 400); if (playerHealth <= 0) { // Game over player.isAlive = false; tween(player, { alpha: 0.2 }, { duration: 400 }); LK.setTimeout(function () { LK.showGameOver(); }, 900); break; } } } // --- Update enemies --- for (var i = enemies.length - 1; i >= 0; i--) { var e = enemies[i]; // Track lastY for crossing detection if (typeof e.lastY === "undefined") { e.lastY = e.y; } e.update(); // If enemy crosses into player's area (y > PLAYER_START_Y - 110, i.e. bottom of player ship) if (e.lastY <= PLAYER_START_Y - 110 && e.y > PLAYER_START_Y - 110) { // Only trigger if enemy is alive if (e.isAlive && player.isAlive) { e.isAlive = false; // --- Fiery, intense explosion effect for enemy ship --- var explosion = LK.getAsset('enemyShip', { width: 260, height: 260, color: 0xfff200, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5, x: e.x, y: e.y }); explosion.alpha = 0.95; explosion.scaleX = 1.0; explosion.scaleY = 1.0; game.addChild(explosion); tween(explosion, { tint: 0xff6600, scaleX: 2.7, scaleY: 2.7, alpha: 0.7 }, { duration: 120, easing: tween.cubicOut, onFinish: function onFinish() { tween(explosion, { tint: 0xffffcc, scaleX: 3.5, scaleY: 3.5, alpha: 0 }, { duration: 220, easing: tween.cubicIn, onFinish: function onFinish() { explosion.destroy(); } }); } }); tween(e, {}, { duration: 120, onFinish: function onFinish() { e.destroy(); } }); enemies.splice(i, 1); playerHealth--; updateHearts(); LK.effects.flashScreen(0xff0000, 400); // Level progression if this was the last enemy for the level enemiesLeftTxt.setText('Enemies: ' + (enemiesToSpawn + enemies.length)); if (enemiesKilledThisLevel + 1 >= enemiesPerLevel && enemiesToSpawn === 0 && enemies.length === 0) { // Next level! currentLevel++; enemiesPerLevel = Math.floor(enemiesPerLevel * 1.25) + 1; enemiesToSpawn = enemiesPerLevel; enemiesKilledThisLevel = 0; enemyScoreThisLevel = enemyScoreBase * Math.pow(2, currentLevel - 1); // Update UI levelTxt.setText('Level ' + currentLevel); enemiesLeftTxt.setText('Enemies: ' + (enemiesToSpawn + enemies.length)); LK.effects.flashScreen(0x00ffcc, 400); } else { // Only increment kills if not progressing level enemiesKilledThisLevel++; } if (playerHealth <= 0) { // Game over player.isAlive = false; tween(player, { alpha: 0.2 }, { duration: 400 }); LK.setTimeout(function () { LK.showGameOver(); }, 900); break; } continue; } } if (e.y > GAME_HEIGHT + 100) { e.destroy(); enemies.splice(i, 1); continue; } // Check collision with player if (player.isAlive && e.isAlive && circlesIntersect(e, player)) { e.isAlive = false; e.flash(); player.flash(); // --- Fiery, intense explosion effect for enemy ship --- var explosion = LK.getAsset('enemyShip', { width: 260, height: 260, color: 0xfff200, shape: 'ellipse', anchorX: 0.5, anchorY: 0.5, x: e.x, y: e.y }); explosion.alpha = 0.95; explosion.scaleX = 1.0; explosion.scaleY = 1.0; game.addChild(explosion); tween(explosion, { tint: 0xff6600, scaleX: 2.7, scaleY: 2.7, alpha: 0.7 }, { duration: 120, easing: tween.cubicOut, onFinish: function onFinish() { tween(explosion, { tint: 0xffffcc, scaleX: 3.5, scaleY: 3.5, alpha: 0 }, { duration: 220, easing: tween.cubicIn, onFinish: function onFinish() { explosion.destroy(); } }); } }); tween(e, {}, { duration: 120, onFinish: function onFinish() { e.destroy(); } }); enemies.splice(i, 1); playerHealth--; updateHearts(); LK.effects.flashScreen(0xff0000, 400); if (playerHealth <= 0) { // Game over player.isAlive = false; tween(player, { alpha: 0.2 }, { duration: 400 }); LK.setTimeout(function () { LK.showGameOver(); }, 900); break; } } // Update lastY for next frame e.lastY = e.y; } // --- Update powerups --- for (var i = powerUps.length - 1; i >= 0; i--) { var pu = powerUps[i]; pu.update(); if (pu.y > GAME_HEIGHT + 80) { pu.destroy(); powerUps.splice(i, 1); continue; } // Check collision with player if (player.isAlive && circlesIntersect(pu, player)) { pu.destroy(); powerUps.splice(i, 1); activatePowerUp(); } } }; // Set initial score LK.setScore(0); scoreTxt.setText('0'); if (LK.getScore() > highScore) { highScore = LK.getScore(); } highScoreTxt.setText('High: ' + highScore); // Reset level system currentLevel = 1; enemiesPerLevel = 6; enemiesToSpawn = enemiesPerLevel; enemiesKilledThisLevel = 0; enemyScoreThisLevel = enemyScoreBase; levelTxt.setText('Level 1'); enemiesLeftTxt.setText('Enemies: ' + enemiesPerLevel); playerHealth = 5; updateHearts(); // Reset boss state bossActive = false; if (bossShip) { bossShip.destroy(); bossShip = null; } if (bossHealthBar) { LK.gui.top.removeChild(bossHealthBar); bossHealthBar = null; } // Re-apply selected costume to player if (player && storage.selectedCostume && storage.selectedCostume !== "default") { var costume = null; for (var i = 0; i < costumes.length; i++) { if (costumes[i].id === storage.selectedCostume) costume = costumes[i]; } if (costume) { if (player.children.length > 0) player.removeChild(player.children[0]); var costumeAsset = player.attachAsset(costume.asset, { width: 220, height: 220, anchorX: 0.5, anchorY: 0.5 }); } }