/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ // Alien var Alien = Container.expand(function () { var self = Container.call(this); var alien = self.attachAsset('alien', { anchorX: 0.5, anchorY: 0.5 }); self.width = alien.width; self.height = alien.height; self.speedX = 0; self.speedY = 0.8; self.shootCooldown = 0; self.row = 0; self.col = 0; self.alive = true; self.hp = 2; // Aliens require 2 hits to be defeated self.update = function () { self.x += self.speedX; self.y += self.speedY; if (self.shootCooldown > 0) { self.shootCooldown -= 1; } }; // Flash when hit self.flash = function () { tween(self, { alpha: 0.3 }, { duration: 60, onFinish: function onFinish() { tween(self, { alpha: 1 }, { duration: 100 }); } }); }; return self; }); // Alien2 var Alien2 = Container.expand(function () { var self = Container.call(this); var alien = self.attachAsset('alien2', { anchorX: 0.5, anchorY: 0.5 }); self.width = alien.width; self.height = alien.height; self.speedX = 0; self.speedY = 0.8; self.shootCooldown = 0; self.row = 0; self.col = 0; self.alive = true; self.hp = 4; self.update = function () { self.x += self.speedX; self.y += self.speedY; if (self.shootCooldown > 0) { self.shootCooldown -= 1; } }; self.flash = function () { tween(self, { alpha: 0.3 }, { duration: 60, onFinish: function onFinish() { tween(self, { alpha: 1 }, { duration: 100 }); } }); }; return self; }); // Alien3 var Alien3 = Container.expand(function () { var self = Container.call(this); var alien = self.attachAsset('alien3', { anchorX: 0.5, anchorY: 0.5 }); self.width = alien.width; self.height = alien.height; self.speedX = 0; self.speedY = 0.8; self.shootCooldown = 0; self.row = 0; self.col = 0; self.alive = true; self.hp = 3; self.update = function () { self.x += self.speedX; self.y += self.speedY; if (self.shootCooldown > 0) { self.shootCooldown -= 1; } }; self.flash = function () { tween(self, { alpha: 0.3 }, { duration: 60, onFinish: function onFinish() { tween(self, { alpha: 1 }, { duration: 100 }); } }); }; return self; }); // Alien Bullet var AlienBullet = Container.expand(function () { var self = Container.call(this); var bullet = self.attachAsset('alienBullet', { anchorX: 0.5, anchorY: 0.5 }); self.width = bullet.width; self.height = bullet.height; self.speedY = 14; self.update = function () { if (typeof self.speedX === "undefined") { self.speedX = 0; } self.x += self.speedX; self.y += self.speedY; }; return self; }); // Boss var Boss = Container.expand(function () { var self = Container.call(this); var bossAsset = self.attachAsset('Boss', { anchorX: 0.5, anchorY: 0.5 }); self.width = bossAsset.width; self.height = bossAsset.height; self.hp = 500; self.speedX = 4; self.speedY = 0.7; self.alive = true; self.shootCooldown = 60; self.update = function () { // Move horizontally, bounce off edges self.x += self.speedX; if (self.x - self.width / 2 <= 0 && self.speedX < 0) { self.x = self.width / 2; self.speedX = -self.speedX; } if (self.x + self.width / 2 >= GAME_WIDTH && self.speedX > 0) { self.x = GAME_WIDTH - self.width / 2; self.speedX = -self.speedX; } // Boss does NOT move down in y direction anymore // --- Boss special events for HP thresholds --- // Boss event state: 0 = idle, 1 = right fired, waiting for left, 2 = left fired, waiting for right if (typeof self._bossEventState === "undefined") { self._bossEventState = 0; self._bossEventTimer = 0; } // HP > 300: original 5-bullet events if (self.hp > 300) { if (self._bossEventState === 0 && (!self.shootCooldown || self.shootCooldown <= 0)) { // Fire 5 bullets to the right at different angles var spread = Math.PI / 3; // 60 degrees total var baseAngle = Math.PI / 2 - spread / 2; // Start at 60deg for (var i = 0; i < 5; i++) { var angle = baseAngle + spread / 4 * i; var b = new AlienBullet(); b.x = self.x + self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { if (isInMenu) { game.addChild(b); } else { gameContainer.addChild(b); } } } LK.getSound('alienShoot').play(); self._bossEventState = 1; self._bossEventTimer = 30; // 0.5s at 60fps self.shootCooldown = 60; // Prevent normal shooting for a bit } else if (self._bossEventState === 1) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { // Fire 5 bullets to the left at different angles var spread = Math.PI / 3; // 60 degrees total var baseAngle = Math.PI / 2 - spread / 2; // Start at 60deg for (var i = 0; i < 5; i++) { var angle = baseAngle + spread / 4 * i; var b = new AlienBullet(); b.x = self.x - self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = -Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { game.addChild(b); } } LK.getSound('alienShoot').play(); self._bossEventState = 2; self._bossEventTimer = 30; // 0.5s self.shootCooldown = 60; } } else if (self._bossEventState === 2) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { self._bossEventState = 0; } } } // Switch to bossmusic2 when HP drops to 300 or below if (typeof self._bossMusic2Played === "undefined") { self._bossMusic2Played = false; } if (typeof self._rage300Played === "undefined") { self._rage300Played = false; } if (typeof self._rage100Played === "undefined") { self._rage100Played = false; } if (!self._bossMusic2Played && self.hp <= 300) { LK.playMusic('bossmusic2'); self._bossMusic2Played = true; } if (!self._rage300Played && self.hp <= 300) { LK.getSound('rage').play(); self._rage300Played = true; } if (!self._rage100Played && self.hp <= 100) { LK.getSound('rage').play(); self._rage100Played = true; } // HP between 300 and 100: 7-bullet events, alternate right/left every 0.5s else if (self.hp <= 300 && self.hp > 100) { if (self._bossEventState === 0 && (!self.shootCooldown || self.shootCooldown <= 0)) { // Fire 7 bullets to the right at different angles var spread = Math.PI * 2 / 3; // 120 degrees total var baseAngle = Math.PI / 2 - spread / 2; // Centered at down for (var i = 0; i < 7; i++) { var angle = baseAngle + spread / 6 * i; var b = new AlienBullet(); b.x = self.x + self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { game.addChild(b); } } LK.getSound('alienShoot').play(); self._bossEventState = 1; self._bossEventTimer = 30; // 0.5s self.shootCooldown = 60; } else if (self._bossEventState === 1) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { // Fire 7 bullets to the left at different angles var spread = Math.PI * 2 / 3; // 120 degrees total var baseAngle = Math.PI / 2 - spread / 2; for (var i = 0; i < 7; i++) { var angle = baseAngle + spread / 6 * i; var b = new AlienBullet(); b.x = self.x - self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = -Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { game.addChild(b); } } LK.getSound('alienShoot').play(); self._bossEventState = 2; self._bossEventTimer = 30; // 0.5s self.shootCooldown = 60; } } else if (self._bossEventState === 2) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { self._bossEventState = 0; } } } // HP between 100 and 0: 9-bullet events, alternate right/left every 0.5s else if (self.hp <= 100 && self.hp > 0) { if (self._bossEventState === 0 && (!self.shootCooldown || self.shootCooldown <= 0)) { // Fire 9 bullets to the right at different angles var spread = Math.PI * 5 / 6; // 150 degrees total var baseAngle = Math.PI / 2 - spread / 2; // Centered at down for (var i = 0; i < 9; i++) { var angle = baseAngle + spread / 8 * i; var b = new AlienBullet(); b.x = self.x + self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { game.addChild(b); } } LK.getSound('alienShoot').play(); self._bossEventState = 1; self._bossEventTimer = 30; // 0.5s self.shootCooldown = 60; } else if (self._bossEventState === 1) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { // Fire 9 bullets to the left at different angles var spread = Math.PI * 5 / 6; // 150 degrees total var baseAngle = Math.PI / 2 - spread / 2; for (var i = 0; i < 9; i++) { var angle = baseAngle + spread / 8 * i; var b = new AlienBullet(); b.x = self.x - self.width * 0.35; b.y = self.y + self.height / 2 - 10; b.speedY = Math.sin(angle) * 16; b.speedX = -Math.cos(angle) * 16; alienBullets.push(b); if (typeof game !== "undefined") { game.addChild(b); } } LK.getSound('alienShoot').play(); self._bossEventState = 2; self._bossEventTimer = 30; // 0.5s self.shootCooldown = 60; } } else if (self._bossEventState === 2) { self._bossEventTimer -= 1; if (self._bossEventTimer <= 0) { self._bossEventState = 0; } } } else { // Reset event state if HP drops below threshold or is above 300 or below/equal 0 self._bossEventState = 0; self._bossEventTimer = 0; } // Shoot cooldown if (self.shootCooldown > 0) { self.shootCooldown -= 1; } }; // Flash when hit self.flash = function () { tween(self, { alpha: 0.3 }, { duration: 60, onFinish: function onFinish() { tween(self, { alpha: 1 }, { duration: 100 }); } }); }; return self; }); // Coin var Coin = Container.expand(function () { var self = Container.call(this); var c = self.attachAsset('coin', { anchorX: 0.5, anchorY: 0.5 }); self.width = c.width; self.height = c.height; self.speedY = 12; self.update = function () { self.y += self.speedY; }; return self; }); // Hero Bullet var HeroBullet = Container.expand(function () { var self = Container.call(this); var bullet = self.attachAsset('heroBullet', { anchorX: 0.5, anchorY: 0.5 }); self.width = bullet.width; self.height = bullet.height; self.speedY = -22; self.update = function () { if (typeof self.speedX === "undefined") { self.speedX = 0; } self.x += self.speedX; self.y += self.speedY; }; return self; }); // Hero Ship var HeroShip = Container.expand(function () { var self = Container.call(this); var ship = self.attachAsset('heroShip', { anchorX: 0.5, anchorY: 0.5 }); self.width = ship.width; self.height = ship.height; self.lives = 1; self.fireCooldown = 0; self.powerLevel = 1; self.invincible = false; self.invincibleTimer = 0; // Flash when hit self.flash = function () { tween(self, { alpha: 0.3 }, { duration: 80, onFinish: function onFinish() { tween(self, { alpha: 1 }, { duration: 120 }); } }); }; // Power up self.upgrade = function () { if (self.powerLevel < 3) { self.powerLevel += 1; LK.effects.flashObject(self, 0xaa66ff, 400); } }; // Invincibility after hit self.setInvincible = function (duration) { self.invincible = true; self.invincibleTimer = duration; tween(self, { alpha: 0.5 }, { duration: 100 }); }; // Called every tick self.update = function () { if (self.invincible) { self.invincibleTimer -= 1; if (self.invincibleTimer <= 0) { self.invincible = false; self.alpha = 1; } } if (self.fireCooldown > 0) { self.fireCooldown -= 1; } }; return self; }); // Powerup var Powerup = Container.expand(function () { var self = Container.call(this); var p = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); self.width = p.width; self.height = p.height; self.speedY = 15; self.update = function () { self.y += self.speedY; }; return self; }); // Star for starfield background var Star = Container.expand(function () { var self = Container.call(this); var star = self.attachAsset('star', { anchorX: 0.5, anchorY: 0.5 }); self.width = star.width; self.height = star.height; self.speedY = 2; // Slow downward movement self.update = function () { self.y += self.speedY; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ // Game area // Hero ship: blue box // Alien: green ellipse // Hero bullet: yellow box // Alien bullet: red box // Power-up: purple ellipse // Sound effects // Music var GAME_WIDTH = 2048; var GAME_HEIGHT = 2732; // Menu state var isInMenu = true; var isInInstructions = false; var menuContainer = new Container(); var instructionsContainer = new Container(); var gameContainer = new Container(); // Starfield variables var stars = []; var starSpawnTimer = 0; // Spawn a star at random position function spawnStar() { var star = new Star(); star.x = Math.random() * GAME_WIDTH; star.y = -star.height; // Vary speed slightly for visual effect star.speedY = 1 + Math.random() * 2; stars.push(star); if (isInMenu) { menuContainer.addChild(star); } else if (isInInstructions) { instructionsContainer.addChild(star); } else { gameContainer.addChild(star); } } // Update starfield function updateStarfield() { // Spawn new stars periodically starSpawnTimer += 1; var spawnRate; if (isInMenu || isInInstructions) { spawnRate = 15; // Spawn every 15 frames (4 times per second at 60fps) } else { spawnRate = 60; // Much slower spawning during gameplay (1 per second at 60fps) } if (starSpawnTimer >= spawnRate) { spawnStar(); starSpawnTimer = 0; } // Update existing stars for (var i = stars.length - 1; i >= 0; i--) { var star = stars[i]; star.update(); // Remove stars that have moved off screen if (star.y > GAME_HEIGHT + star.height) { star.destroy(); stars.splice(i, 1); } } } // Clear all stars function clearStarfield() { for (var i = stars.length - 1; i >= 0; i--) { stars[i].destroy(); } stars = []; starSpawnTimer = 0; } // Create main menu function createMainMenu() { // Play menu music LK.playMusic('menumusic'); // Set solid black background for menu game.setBackgroundColor(0x000000); // Menu title var titleText = new Text2("SPACE WARDENS", { size: 180, fill: 0xFFFFFF, align: "center" }); titleText.anchor.set(0.5, 0.5); titleText.x = GAME_WIDTH / 2; titleText.y = GAME_HEIGHT / 3; menuContainer.addChild(titleText); // Start Game button var startBtn = new Text2("START GAME", { size: 120, fill: 0x00FF00, align: "center" }); startBtn.anchor.set(0.5, 0.5); startBtn.x = GAME_WIDTH / 2; startBtn.y = GAME_HEIGHT / 2; startBtn.interactive = true; startBtn.buttonMode = true; startBtn.down = function (x, y, obj) { LK.getSound('menuclick').play(); startGame(); }; menuContainer.addChild(startBtn); // Instructions button var instructionsBtn = new Text2("INSTRUCTIONS", { size: 120, fill: 0x0099FF, align: "center" }); instructionsBtn.anchor.set(0.5, 0.5); instructionsBtn.x = GAME_WIDTH / 2; instructionsBtn.y = GAME_HEIGHT / 2 + 200; instructionsBtn.interactive = true; instructionsBtn.buttonMode = true; instructionsBtn.down = function (x, y, obj) { LK.getSound('menuclick').play(); showInstructions(); }; menuContainer.addChild(instructionsBtn); game.addChild(menuContainer); // Spawn initial stars for (var i = 0; i < 20; i++) { var star = new Star(); star.x = Math.random() * GAME_WIDTH; star.y = Math.random() * GAME_HEIGHT; star.speedY = 1 + Math.random() * 2; stars.push(star); menuContainer.addChild(star); } } // Show instructions function showInstructions() { // Play menu music LK.playMusic('menumusic'); isInMenu = false; isInInstructions = true; // Remove menu container if (menuContainer.parent) { menuContainer.parent.removeChild(menuContainer); } // Clear instructions container while (instructionsContainer.children.length > 0) { instructionsContainer.removeChild(instructionsContainer.children[0]); } // Set solid black background for instructions game.setBackgroundColor(0x000000); // Instructions title var titleText = new Text2("INSTRUCTIONS", { size: 150, fill: 0xFFFF99, align: "center" }); titleText.anchor.set(0.5, 0.5); titleText.x = GAME_WIDTH / 2; titleText.y = GAME_HEIGHT / 4; instructionsContainer.addChild(titleText); // Instructions content var instructionsText = new Text2("HOW TO PLAY:\n\nDrag your ship to move\nCollect power-ups to upgrade your ship\nCollect coins for extra score\nDefeat all aliens to win a wave\nDefeat Lohar to win game!", { size: 80, fill: 0xFFFF99, align: "center" }); instructionsText.anchor.set(0.5, 0.5); instructionsText.x = GAME_WIDTH / 2; instructionsText.y = GAME_HEIGHT / 2; instructionsContainer.addChild(instructionsText); // Back button var backBtn = new Text2("BACK TO MENU", { size: 100, fill: 0xFF6600, align: "center" }); backBtn.anchor.set(0.5, 0.5); backBtn.x = GAME_WIDTH / 2; backBtn.y = GAME_HEIGHT * 3 / 4; backBtn.interactive = true; backBtn.buttonMode = true; backBtn.down = function (x, y, obj) { LK.getSound('menuclick').play(); returnToMenu(); }; instructionsContainer.addChild(backBtn); // Add instructions container to game game.addChild(instructionsContainer); // Transfer existing stars from menu to instructions container for (var i = 0; i < stars.length; i++) { var star = stars[i]; if (star.parent) { star.parent.removeChild(star); } instructionsContainer.addChild(star); } // Only spawn additional stars if we have fewer than 20 while (stars.length < 20) { var star = new Star(); star.x = Math.random() * GAME_WIDTH; star.y = Math.random() * GAME_HEIGHT; star.speedY = 1 + Math.random() * 2; stars.push(star); instructionsContainer.addChild(star); } } // Return to main menu from instructions function returnToMenu() { // Play menu music LK.playMusic('menumusic'); isInMenu = true; isInInstructions = false; // Remove instructions container if (instructionsContainer.parent) { instructionsContainer.parent.removeChild(instructionsContainer); } // Add menu container back game.addChild(menuContainer); // Transfer existing stars from instructions to menu container for (var i = 0; i < stars.length; i++) { var star = stars[i]; if (star.parent) { star.parent.removeChild(star); } menuContainer.addChild(star); } // Only spawn additional stars if we have fewer than 20 while (stars.length < 20) { var star = new Star(); star.x = Math.random() * GAME_WIDTH; star.y = Math.random() * GAME_HEIGHT; star.speedY = 1 + Math.random() * 2; stars.push(star); menuContainer.addChild(star); } } // Start the game function startGame() { isInMenu = false; // Remove menu container if (menuContainer.parent) { menuContainer.parent.removeChild(menuContainer); } // Add game container game.addChild(gameContainer); // Play music LK.playMusic('bgmusic'); // Clear starfield when starting game clearStarfield(); // Spawn much fewer initial stars for gameplay (only 5 instead of 20) for (var i = 0; i < 5; i++) { var star = new Star(); star.x = Math.random() * GAME_WIDTH; star.y = Math.random() * GAME_HEIGHT; star.speedY = 1 + Math.random() * 2; stars.push(star); gameContainer.addChild(star); } // Initialize game elements initializeGame(); } // Initialize game elements function initializeGame() { // Move hero to game container if (hero.parent) { hero.parent.removeChild(hero); } gameContainer.addChild(hero); // Move remaining buttons to game container (buttons removed) // Start first wave spawnWave(wave); heroDead = false; // Initial score scoreTxt.setText(score); } // Score var score = 0; var scoreTxt = new Text2('0', { size: 120, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Wave var wave = 1; var waveTxt = new Text2('Wave 1', { size: 70, fill: 0xAAFFFF }); waveTxt.anchor.set(0.5, 0); LK.gui.top.addChild(waveTxt); waveTxt.y = 120; // Hero (created but not added to display until game starts) var hero = new HeroShip(); hero.x = GAME_WIDTH / 2; hero.y = GAME_HEIGHT - 220; // Bullets, aliens, powerups, coins var heroBullets = []; var alienBullets = []; var aliens = []; var powerups = []; var coins = []; // Dragging var dragNode = null; // Track if hero is dead (prevents shooting after death) var heroDead = false; // Alien formation function spawnWave(waveNum) { // Remove old aliens for (var i = aliens.length - 1; i >= 0; i--) { aliens[i].destroy(); aliens.splice(i, 1); } if (waveNum === 10) { // Play boss music at start of wave 10 LK.playMusic('bossmusic'); // Only spawn the boss for wave 10 var boss = new Boss(); boss.x = GAME_WIDTH / 2; boss.y = 320; aliens.push(boss); if (isInMenu) { game.addChild(boss); } else { gameContainer.addChild(boss); } waveTxt.setText('Wave ' + waveNum); // Reset wave timer and alien zone flag for new wave game._waveStartTime = Date.now(); game._alienReachedHeroZone = false; // Track boss spawn time for bonus game._bossSpawnTime = Date.now(); game._bossBonusGiven = false; return; } // Formation: rows, cols, spacing var rows, cols; if (waveNum === 2) { // Reduce total aliens at wave 2, but keep it more than wave 1 (wave 1 default: rows=3, cols=6 = 18) // Let's use rows=4, cols=6 = 24 aliens (wave 1: 18, wave 2: 24, wave 3: 35) rows = 4; cols = 6; } else if (waveNum === 3) { // Reduce total aliens at wave 3, but more than wave 2 (wave 2 default: rows=4, cols=8 = 32) // Let's use rows=5, cols=7 = 35 aliens (wave 2 would be 32, wave 3 default would be 5,10=50) rows = 5; cols = 7; } else if (waveNum === 4) { rows = 3; cols = 5; } else if (waveNum === 5) { // More than wave 4, but less than default for wave 5 (default would be rows=6, cols=10) rows = 4; cols = 7; } else if (waveNum === 6) { // Slightly more than wave 5 rows = 5; cols = 8; } else if (waveNum === 7) { // Reduce a little bit more from wave 6 rows = 3; cols = 7; } else if (waveNum === 8) { // Decrease total alien number in wave 8 a little bit (but still more than wave 7) rows = 4; cols = 6; } else if (waveNum === 9) { // Reduce total alien number a little bit compared to wave 8 rows = 3; cols = 8; } else { rows = Math.min(2 + waveNum, 6); cols = Math.min(4 + waveNum * 2, 10); } var spacingX = 160; var spacingY = 140; var startX = (GAME_WIDTH - (cols - 1) * spacingX) / 2; var startY = 220 + (waveNum - 1) * 30; for (var r = 0; r < rows; r++) { for (var c = 0; c < cols; c++) { var alien; if (waveNum === 4 || waveNum === 5) { alien = new Alien2(); } else if (waveNum === 6) { // 70% Alien2, 30% Alien if (Math.random() < 0.7) { alien = new Alien2(); } else { alien = new Alien(); } } else if (waveNum === 7) { // 30% Alien3, 70% Alien if (Math.random() < 0.3) { alien = new Alien3(); } else { alien = new Alien(); } } else if (waveNum === 8) { // 50% Alien2, 50% Alien3 if (Math.random() < 0.5) { alien = new Alien2(); } else { alien = new Alien3(); } } else if (waveNum === 9) { // All Alien3 for wave 9 alien = new Alien3(); } else { alien = new Alien(); } alien.x = startX + c * spacingX; alien.y = startY + r * spacingY; alien.row = r; alien.col = c; alien.speedX = Math.sin((r * cols + c + waveNum) * 0.7) * 1.5 + (Math.random() - 0.5) * 0.5; alien.speedY = 0.7 + 0.1 * waveNum + (Math.random() - 0.5) * 0.2; alien.shootCooldown = 60 + Math.floor(Math.random() * 60); aliens.push(alien); if (isInMenu) { game.addChild(alien); } else { gameContainer.addChild(alien); } } } waveTxt.setText('Wave ' + waveNum); // Reset wave timer and alien zone flag for new wave game._waveStartTime = Date.now(); game._alienReachedHeroZone = false; } // Powerup spawn function maybeSpawnPowerup(x, y) { if (Math.random() < 0.03) { var p = new Powerup(); p.x = x; p.y = y; powerups.push(p); game.addChild(p); } } // Coin spawn (lower probability than powerup) function maybeSpawnCoin(x, y) { // Powerup is 0.03, so coin should be less, but increase coin drop rate (e.g. 0.02) if (Math.random() < 0.02) { var c = new Coin(); c.x = x; c.y = y; coins.push(c); game.addChild(c); } } // Fire hero bullets function fireHeroBullets() { if (heroDead) { return; } if (hero.fireCooldown > 0) { return; } var b; if (hero.powerLevel === 1) { b = new HeroBullet(); b.x = hero.x; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); gameContainer.addChild(b); } else if (hero.powerLevel === 2) { b = new HeroBullet(); b.x = hero.x - 38; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); game.addChild(b); b = new HeroBullet(); b.x = hero.x + 38; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); game.addChild(b); } else if (hero.powerLevel === 3) { // 3 straight bullets b = new HeroBullet(); b.x = hero.x - 60; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); game.addChild(b); b = new HeroBullet(); b.x = hero.x; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); game.addChild(b); b = new HeroBullet(); b.x = hero.x + 60; b.y = hero.y - hero.height / 2 + 30; heroBullets.push(b); game.addChild(b); } hero.fireCooldown = 12; LK.getSound('shoot').play(); } // Fire alien bullet function fireAlienBullet(alien) { // If Alien3, fire triple bullets at different angles if (alien instanceof Alien3) { // Center bullet (straight down) var b0 = new AlienBullet(); b0.x = alien.x; b0.y = alien.y + alien.height / 2 + 10; b0.speedY = 14; b0.speedX = 0; alienBullets.push(b0); game.addChild(b0); // Left bullet (angle -20deg) var b1 = new AlienBullet(); b1.x = alien.x; b1.y = alien.y + alien.height / 2 + 10; var angle1 = Math.PI / 2 - Math.PI / 9; // 70deg b1.speedY = Math.sin(angle1) * 14; b1.speedX = Math.cos(angle1) * 14; alienBullets.push(b1); game.addChild(b1); // Right bullet (angle +20deg) var b2 = new AlienBullet(); b2.x = alien.x; b2.y = alien.y + alien.height / 2 + 10; var angle2 = Math.PI / 2 + Math.PI / 9; // 110deg b2.speedY = Math.sin(angle2) * 14; b2.speedX = Math.cos(angle2) * 14; alienBullets.push(b2); game.addChild(b2); LK.getSound('alienShoot').play(); } else { // Default: single bullet straight down var b = new AlienBullet(); b.x = alien.x; b.y = alien.y + alien.height / 2 + 10; alienBullets.push(b); game.addChild(b); LK.getSound('alienShoot').play(); } } // Move handler (drag hero) function handleMove(x, y, obj) { if (dragNode) { // Clamp to game area, avoid top 100px (menu) var nx = Math.max(hero.width / 2, Math.min(GAME_WIDTH - hero.width / 2, x)); var ny = Math.max(GAME_HEIGHT - 600, Math.min(GAME_HEIGHT - hero.height / 2, y)); dragNode.x = nx; dragNode.y = ny; } } game.move = handleMove; game.down = function (x, y, obj) { // Only drag if touch is on hero var local = hero.toLocal(game.toGlobal({ x: x, y: y })); if (local.x > -hero.width / 2 && local.x < hero.width / 2 && local.y > -hero.height / 2 && local.y < hero.height / 2) { dragNode = hero; handleMove(x, y, obj); } }; game.up = function (x, y, obj) { dragNode = null; }; // Tap to shoot game.tap = function (x, y, obj) { fireHeroBullets(); }; // Main update game.update = function () { // Hide score and wave indicator in menu and instructions if (isInMenu || isInInstructions) { scoreTxt.visible = false; waveTxt.visible = false; updateStarfield(); return; } else { // Show score and wave indicator during gameplay scoreTxt.visible = true; waveTxt.visible = true; updateStarfield(); // Update starfield during gameplay too } // Hero update hero.update(); // Fire hero bullets automatically if holding if (dragNode === hero && LK.ticks % 6 === 0) { fireHeroBullets(); } // Update hero bullets for (var i = heroBullets.length - 1; i >= 0; i--) { var b = heroBullets[i]; b.update(); // Off screen if (b.y < -b.height) { b.destroy(); heroBullets.splice(i, 1); continue; } // Hit alien for (var j = aliens.length - 1; j >= 0; j--) { var a = aliens[j]; if (a.alive && b.intersects(a)) { a.flash(); a.hp -= 1; b.destroy(); heroBullets.splice(i, 1); if (a.hp <= 0) { a.alive = false; a.destroy(); aliens.splice(j, 1); if (a instanceof Boss) { score += 5000; // Award additional 7500 score if boss is defeated within 45 seconds after wave 10 starts if (typeof game._bossSpawnTime !== "undefined" && typeof game._bossBonusGiven !== "undefined" && !game._bossBonusGiven && Date.now() - game._bossSpawnTime <= 45000) { score += 7500; game._bossBonusGiven = true; // Optionally, you can show a popup or effect here if desired } } else if (a instanceof Alien3) { score += Math.floor(100 * 1.2 * 2); } else if (a instanceof Alien2) { score += Math.floor(100 * 1.2); } else { score += 100; } scoreTxt.setText(score); maybeSpawnPowerup(a.x, a.y); maybeSpawnCoin(a.x, a.y); // If this is the boss, play bossexplosion sounds in sequence if (a instanceof Boss) { LK.getSound('bossexplosion').play(); LK.setTimeout(function () { LK.getSound('bossexplosion2').play(); }, 300); LK.setTimeout(function () { LK.getSound('bossexplosion3').play(); }, 600); LK.setTimeout(function () { LK.getSound('bossexplosion4').play(); }, 900); } else { LK.getSound('alienexplosion').play(); } } break; } } } // Update alien bullets for (var i = alienBullets.length - 1; i >= 0; i--) { var b = alienBullets[i]; b.update(); if (b.y > GAME_HEIGHT + b.height) { b.destroy(); alienBullets.splice(i, 1); continue; } // Hit hero if (!hero.invincible && b.intersects(hero)) { hero.flash(); hero.setInvincible(60); b.destroy(); alienBullets.splice(i, 1); // Explosion effect at hero ship position LK.effects.flashObject(hero, 0xffe066, 700); LK.effects.flashScreen(0xff0000, 400); // Play explosion sound when hero ship dies var explosionSound = LK.getSound('explosion'); explosionSound.play(); // Remove hero ship from game immediately if (hero.parent) { hero.parent.removeChild(hero); } // Mark hero as dead to prevent further shooting heroDead = true; // Wait for explosion sound to finish before game over LK.setTimeout(function () { LK.showGameOver(); }, Math.max(100, Math.floor((explosionSound.duration || 1) * 1000))); return; } } // Update aliens for (var i = aliens.length - 1; i >= 0; i--) { var a = aliens[i]; a.update(); // Game over if alien touches hero ship if (a.alive && !hero.invincible && a.intersects(hero)) { hero.flash(); // Explosion effect at hero ship position LK.effects.flashObject(hero, 0xffe066, 700); LK.effects.flashScreen(0xff0000, 800); // Play explosion sound when hero ship dies var explosionSound = LK.getSound('explosion'); explosionSound.play(); // Remove hero ship from game immediately if (hero.parent) { hero.parent.removeChild(hero); } // Mark hero as dead to prevent further shooting heroDead = true; // Wait for explosion sound to finish before game over LK.setTimeout(function () { LK.showGameOver(); }, Math.max(100, Math.floor((explosionSound.duration || 1) * 1000))); return; } // Fire bullet // Reduce firing frequency: lower probability and increase cooldown if (a.shootCooldown <= 0) { if (a instanceof Alien3) { // Alien3: much lower probability and higher cooldown if (Math.random() < 0.002 + 0.0005 * wave) { fireAlienBullet(a); a.shootCooldown = 220 + Math.floor(Math.random() * 100); } } else { if (Math.random() < 0.006 + 0.001 * wave) { fireAlienBullet(a); a.shootCooldown = 120 + Math.floor(Math.random() * 80); } } } // Off screen (bottom) or reached hero moving zone if (a.y > GAME_HEIGHT - 600) { // If any alien reaches hero moving zone, set flag to disable bonus for this wave game._alienReachedHeroZone = true; } if (a.y > GAME_HEIGHT - 200) { LK.effects.flashScreen(0xff0000, 800); LK.showGameOver(); return; } // Bounce alien off left/right borders if (a.x - a.width / 2 <= 0 && a.speedX < 0) { a.x = a.width / 2; a.speedX = -a.speedX; } if (a.x + a.width / 2 >= GAME_WIDTH && a.speedX > 0) { a.x = GAME_WIDTH - a.width / 2; a.speedX = -a.speedX; } // Remove alien if it goes off screen at the top if (a.y < -a.height) { a.destroy(); aliens.splice(i, 1); continue; } } // Update powerups for (var i = powerups.length - 1; i >= 0; i--) { var p = powerups[i]; p.update(); if (p.y > GAME_HEIGHT + p.height) { p.destroy(); powerups.splice(i, 1); continue; } // Collect if (p.intersects(hero)) { if (hero.powerLevel < 3) { hero.upgrade(); } else { // Already at max power, give bonus score instead score += 1000; scoreTxt.setText(score); } // Play powerup sound when collecting a powerup LK.getSound('powerup').play(); p.destroy(); powerups.splice(i, 1); } } // Update coins for (var i = coins.length - 1; i >= 0; i--) { var c = coins[i]; c.update(); if (c.y > GAME_HEIGHT + c.height) { c.destroy(); coins.splice(i, 1); continue; } // Collect coin if (c.intersects(hero)) { score += 500; // Give additional score for collecting coin scoreTxt.setText(score); LK.getSound('coinsound').play(); c.destroy(); coins.splice(i, 1); // Optionally play a sound here if desired } } // --- Wave bonus logic variables --- if (typeof game._waveStartTime === "undefined") { game._waveStartTime = Date.now(); } if (typeof game._alienReachedHeroZone === "undefined") { game._alienReachedHeroZone = false; } // Next wave if (aliens.length === 0 && !game._wavePopupActive) { // Calculate and award wave finish bonus if no alien reached hero zone var bonusScore = 0; var waveFinishTime = Date.now(); if (!game._alienReachedHeroZone) { // Bonus: 5000 - 1000 * (seconds taken, min 0), min 1000, max 5000 var elapsedSec = Math.floor((waveFinishTime - game._waveStartTime) / 1000); bonusScore = Math.max(1000, 5000 - 1000 * elapsedSec); score += bonusScore; scoreTxt.setText(score); } game._wavePopupActive = true; // Create popup if (!game._wavePopup) { game._wavePopup = new Text2("Congratulations\nGet ready for the next wave", { size: 120, fill: 0xFFFF99, align: "center" }); game._wavePopup.anchor.set(0.5, 0.5); } if (wave >= 10) { game._wavePopup.setText("Congratulations!\nYou completed all 10 waves!" + (bonusScore > 0 ? "\nWave Bonus: +" + bonusScore : "")); } else { if (bonusScore > 0) { game._wavePopup.setText("Congratulations\nGet ready for the next wave\nWave Bonus: +" + bonusScore); } else if (game._alienReachedHeroZone) { game._wavePopup.setText("Congratulations\nGet ready for the next wave\n(No bonus: Aliens reached your zone!)"); } else { game._wavePopup.setText("Congratulations\nGet ready for the next wave"); } } game._wavePopup.x = GAME_WIDTH / 2; game._wavePopup.y = GAME_HEIGHT / 2; if (!game._wavePopup.parent) { game.addChild(game._wavePopup); } // Play wavepass sound LK.getSound('wavepass').play(); // Hold for 2 seconds, then start next wave or finish LK.setTimeout(function () { if (game._wavePopup && game._wavePopup.parent) { game._wavePopup.parent.removeChild(game._wavePopup); } if (wave >= 10) { LK.showYouWin(); } else { wave += 1; spawnWave(wave); // Reset wave timer and alien zone flag game._waveStartTime = Date.now(); game._alienReachedHeroZone = false; game._wavePopupActive = false; } }, 2000); } }; // --- Create buttons (not added to display until game starts) --- // Start with main menu createMainMenu();