/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { highScore: 0, upgradePoints: 0 }); /**** * Classes ****/ var Asteroid = Container.expand(function () { var self = Container.call(this); var size = 0.5 + Math.random() * 1.5; var asteroidGraphics = self.attachAsset('asteroid', { anchorX: 0.5, anchorY: 0.5, scaleX: size, scaleY: size }); self.width = asteroidGraphics.width * size; self.height = asteroidGraphics.height * size; self.fallSpeed = 2 + Math.random() * 4; self.rotationSpeed = (Math.random() - 0.5) * 0.1; self.health = Math.ceil(size * 2); self.damage = 1; self.hit = function (damage) { self.health -= damage; if (self.health <= 0) { createExplosion(self.x, self.y, size); self.destroy(); return true; } // Flash when hit but not destroyed LK.effects.flashObject(self, 0xffffff, 200); return false; }; self.update = function () { self.y += self.fallSpeed; self.rotation += self.rotationSpeed; }; return self; }); var Boss = Container.expand(function () { var self = Container.call(this); // Replace the enemy graphics with boss graphics self.removeChild(self.children[0]); var bossGraphics = self.attachAsset('boss', { anchorX: 0.5, anchorY: 0.5 }); self.width = bossGraphics.width; self.height = bossGraphics.height; self.health = 20; self.speed = 1; self.scoreValue = 100; self.fireRate = 40; self.movementPattern = "boss"; self.phase = 0; self.dropRate = 1; // Boss always drops a crystal self.shoot = function () { // Boss shoots multiple bullets in patterns var pattern = Math.floor(self.phase / 3) % 3; if (pattern === 0) { // Shoot 3 bullets in a spread for (var i = -1; i <= 1; i++) { var bullet = new EnemyBullet(); bullet.x = self.x + i * 50; bullet.y = self.y + 60; game.enemyBullets.push(bullet); game.addChild(bullet); } } else if (pattern === 1) { // Shoot 5 bullets in a wider spread for (var i = -2; i <= 2; i++) { var bullet = new EnemyBullet(); bullet.x = self.x + i * 40; bullet.y = self.y + 60; game.enemyBullets.push(bullet); game.addChild(bullet); } } else { // Shoot bullets in all directions for (var i = 0; i < 8; i++) { var angle = i / 8 * Math.PI * 2; var bullet = new EnemyBullet(); bullet.x = self.x + Math.cos(angle) * 60; bullet.y = self.y + Math.sin(angle) * 60; game.enemyBullets.push(bullet); game.addChild(bullet); } } LK.getSound('boss').play(); }; self.update = function () { self.phase++; // Boss moves back and forth across the top of the screen if (self.phase < 60) { self.y += self.speed; } else { self.x = 2048 / 2 + Math.sin(self.phase * 0.02) * 800; } // Shooting logic if (self.cooldown <= 0) { self.shoot(); self.cooldown = self.fireRate; } else { self.cooldown--; } }; return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -15; self.damage = 1; self.isPlayerBullet = true; self.update = function () { self.y += self.speed; }; return self; }); var Crystal = Container.expand(function () { var self = Container.call(this); var crystalGraphics = self.attachAsset('crystal', { anchorX: 0.5, anchorY: 0.5 }); self.fallSpeed = 3 + Math.random() * 2; self.rotationSpeed = 0.05 + Math.random() * 0.05; self.upgradeValue = 1; self.update = function () { self.y += self.fallSpeed; self.rotation += self.rotationSpeed; }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.width = enemyGraphics.width; self.height = enemyGraphics.height; self.health = 2; self.speed = 3; self.scoreValue = 10; self.fireRate = 120; self.cooldown = Math.floor(Math.random() * 60); self.movementPattern = "straight"; self.originalX = 0; self.amplitude = 100 + Math.random() * 100; self.frequency = 0.02 + Math.random() * 0.03; self.phase = Math.random() * Math.PI * 2; self.dropRate = 0.3; // 30% chance to drop a crystal self.hit = function (damage) { self.health -= damage; if (self.health <= 0) { // Add to score LK.setScore(LK.getScore() + self.scoreValue); // Create explosion createExplosion(self.x, self.y, 1); // Chance to drop a crystal if (Math.random() < self.dropRate) { var crystal = new Crystal(); crystal.x = self.x; crystal.y = self.y; game.crystals.push(crystal); game.addChild(crystal); } // Remove from game self.destroy(); return true; } // Flash when hit but not destroyed LK.effects.flashObject(self, 0xffffff, 200); return false; }; self.shoot = function () { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y + 40; game.enemyBullets.push(bullet); game.addChild(bullet); }; self.update = function () { // Handle different movement patterns if (self.movementPattern === "straight") { self.y += self.speed; } else if (self.movementPattern === "sine") { self.y += self.speed; self.x = self.originalX + Math.sin(self.y * self.frequency + self.phase) * self.amplitude; } else if (self.movementPattern === "zigzag") { self.y += self.speed; if (Math.floor(self.y / 100) % 2 === 0) { self.x += 2; } else { self.x -= 2; } } // Shooting logic if (self.cooldown <= 0) { self.shoot(); self.cooldown = self.fireRate; } else { self.cooldown--; } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); bulletGraphics.tint = 0xff0000; self.speed = 10; self.isPlayerBullet = false; self.update = function () { // Add update function self.y += self.speed; }; return self; }); var HealthDisplay = Container.expand(function () { var self = Container.call(this); var hearts = []; self.updateHealth = function (health, maxHealth) { // Clear existing hearts for (var i = 0; i < hearts.length; i++) { self.removeChild(hearts[i]); } hearts = []; // Create new hearts for (var i = 0; i < maxHealth; i++) { var heart = LK.getAsset('player', { anchorX: 0.5, anchorY: 0.5, scaleX: 0.3, scaleY: 0.3, x: i * 40, y: 0 }); if (i >= health) { heart.alpha = 0.3; } self.addChild(heart); hearts.push(heart); } }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('spaceship', { anchorX: 0.5, anchorY: 0.5 }); var shieldGraphics = self.attachAsset('playerShield', { anchorX: 0.5, anchorY: 0.5, alpha: 0 }); self.width = playerGraphics.width; self.height = playerGraphics.height; self.fireRate = 15; self.cooldown = 0; self.health = 3; self.maxHealth = 3; self.shield = 0; self.maxShield = 2; self.speed = 1; self.weaponLevel = 1; self.invulnerable = false; self.activateShield = function () { if (self.shield > 0) { shieldGraphics.alpha = 0.7; self.shield--; self.invulnerable = true; LK.setTimeout(function () { shieldGraphics.alpha = 0; self.invulnerable = false; }, 3000); } }; self.hit = function () { if (self.invulnerable) { return; } LK.getSound('hit').play(); self.health--; if (self.health <= 0) { createExplosion(self.x, self.y, 1.5); self.destroy(); LK.showGameOver(); } else { // Flash player on hit to show damage LK.effects.flashObject(self, 0xff0000, 500); // Brief invulnerability after hit self.invulnerable = true; LK.setTimeout(function () { self.invulnerable = false; }, 1500); } }; self.shoot = function () { if (self.cooldown > 0) { return; } LK.getSound('shoot').play(); // Create center bullet var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y - 40; game.bullets.push(bullet); game.addChild(bullet); // Create side bullets based on weapon level if (self.weaponLevel >= 2) { var bulletLeft = new Bullet(); bulletLeft.x = self.x - 30; bulletLeft.y = self.y - 20; game.bullets.push(bulletLeft); game.addChild(bulletLeft); var bulletRight = new Bullet(); bulletRight.x = self.x + 30; bulletRight.y = self.y - 20; game.bullets.push(bulletRight); game.addChild(bulletRight); } // Create diagonal bullets at level 3 if (self.weaponLevel >= 3) { var bulletDiagLeft = new Bullet(); bulletDiagLeft.x = self.x - 40; bulletDiagLeft.y = self.y; bulletDiagLeft.rotation = -0.3; game.bullets.push(bulletDiagLeft); game.addChild(bulletDiagLeft); var bulletDiagRight = new Bullet(); bulletDiagRight.x = self.x + 40; bulletDiagRight.y = self.y; bulletDiagRight.rotation = 0.3; game.bullets.push(bulletDiagRight); game.addChild(bulletDiagRight); } self.cooldown = self.fireRate; }; self.down = function (x, y, obj) { // Handle player touch/click events if needed }; self.update = function () { if (self.cooldown > 0) { self.cooldown--; } }; return self; }); var StarField = Container.expand(function () { var self = Container.call(this); var stars = []; for (var i = 0; i < 100; i++) { var size = 0.3 + Math.random() * 0.7; var star = self.attachAsset('starfield', { anchorX: 0.5, anchorY: 0.5, scaleX: size, scaleY: size, alpha: 0.3 + Math.random() * 0.7, x: Math.random() * 2048, y: Math.random() * 2732 }); star.speed = 0.5 + Math.random() * 2; stars.push(star); } self.update = function () { for (var i = 0; i < stars.length; i++) { var star = stars[i]; star.y += star.speed; if (star.y > 2732) { star.y = -10; star.x = Math.random() * 2048; } } }; return self; }); var UpgradeButton = Container.expand(function (type, icon, description) { var self = Container.call(this); var buttonGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5, width: 180, height: 80, tint: 0x3498db }); var labelText = new Text2(description, { size: 30, fill: 0xFFFFFF }); labelText.anchor.set(0.5, 0.5); labelText.y = 0; self.addChild(labelText); self.type = type; self.down = function (x, y, obj) { buttonGraphics.tint = 0x2980b9; }; self.up = function (x, y, obj) { buttonGraphics.tint = 0x3498db; if (game.upgradePoints > 0) { game.applyUpgrade(self.type); game.upgradePoints--; game.updateUpgradeDisplay(); if (game.upgradePoints <= 0) { game.hideUpgradeMenu(); } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ // Game properties game.gameSpeed = 1; game.level = 1; game.enemySpawnRate = 120; game.enemySpawnTimer = 60; game.asteroidSpawnRate = 180; game.asteroidSpawnTimer = 90; game.bossSpawnLevel = 5; game.bossActive = false; // Removed upgrade points and upgrade menu visibility // Game arrays game.bullets = []; game.enemyBullets = []; game.enemies = []; game.asteroids = []; game.crystals = []; game.explosions = []; // Create starfield background var starField = new StarField(); game.addChild(starField); // Create player var player = new Player(); player.x = 2048 / 2; player.y = 2732 - 300; game.addChild(player); // Create UI elements var scoreTxt = new Text2('Score: 0', { size: 50, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); LK.gui.topRight.addChild(scoreTxt); scoreTxt.x = -300; scoreTxt.y = 50; var levelTxt = new Text2('Level: 1', { size: 50, fill: 0xFFFFFF }); levelTxt.anchor.set(0, 0); LK.gui.topRight.addChild(levelTxt); levelTxt.x = -300; levelTxt.y = 110; var upgradeTxt = new Text2('Upgrade Points: 0', { size: 50, fill: 0xFFFFFF }); upgradeTxt.anchor.set(0, 0); LK.gui.top.addChild(upgradeTxt); upgradeTxt.y = 50; upgradeTxt.visible = false; // Create health display var healthDisplay = new HealthDisplay(); LK.gui.topLeft.addChild(healthDisplay); healthDisplay.x = 150; healthDisplay.y = 50; healthDisplay.updateHealth(player.health, player.maxHealth); // Removed upgrade menu creation // Helper functions function createExplosion(x, y, scale) { var explosion = LK.getAsset('explosion', { anchorX: 0.5, anchorY: 0.5, x: x, y: y, scaleX: scale || 1, scaleY: scale || 1, alpha: 0.8 }); game.addChild(explosion); game.explosions.push(explosion); LK.getSound('explosion').play(); // Animate explosion then remove tween(explosion, { alpha: 0, scaleX: scale * 2, scaleY: scale * 2 }, { duration: 500, onFinish: function onFinish() { var index = game.explosions.indexOf(explosion); if (index !== -1) { game.explosions.splice(index, 1); } explosion.destroy(); } }); } function spawnEnemy() { var enemy = new Enemy(); // Set random position at top of screen enemy.x = 100 + Math.random() * (2048 - 200); enemy.y = -100; // Save original X for sine movement enemy.originalX = enemy.x; // Scale difficulty based on level enemy.health = 1 + Math.floor(game.level / 2); enemy.speed = 2 + Math.random() * game.level; enemy.scoreValue = 10 * game.level; // Choose random movement pattern var patterns = ["straight", "sine", "zigzag"]; var patternIndex = Math.floor(Math.random() * patterns.length); enemy.movementPattern = patterns[patternIndex]; // Add to game game.enemies.push(enemy); game.addChild(enemy); } function spawnBoss() { var boss = new Boss(); // Position boss at top center boss.x = 2048 / 2; boss.y = -200; // Scale difficulty based on level boss.health = 15 + game.level * 5; boss.scoreValue = 100 * game.level; // Add to game game.enemies.push(boss); game.addChild(boss); // Set boss as active game.bossActive = true; } function spawnAsteroid() { var asteroid = new Asteroid(); // Set random position at top of screen asteroid.x = Math.random() * 2048; asteroid.y = -100; // Add to game game.asteroids.push(asteroid); game.addChild(asteroid); } // Removed upgrade-related functions game.checkBossDefeat = function () { if (game.bossActive && game.enemies.length === 0) { game.bossActive = false; game.level++; levelTxt.setText('Level: ' + game.level); // Increase difficulty game.gameSpeed += 0.1; game.enemySpawnRate = Math.max(30, game.enemySpawnRate - 10); game.asteroidSpawnRate = Math.max(60, game.asteroidSpawnRate - 10); } }; // Dragging logic var isDragging = false; game.down = function (x, y, obj) { isDragging = true; // Move player to touch position with some smoothing tween(player, { x: x, y: y }, { duration: 200 }); }; game.up = function (x, y, obj) { isDragging = false; }; game.move = function (x, y, obj) { if (isDragging) { // Move player to touch position with some smoothing tween(player, { x: x, y: Math.min(y, 2732 - 200) // Don't go too far down }, { duration: 200 * (1 / player.speed) }); } }; // Play background music LK.playMusic('gameMusic', { fade: { start: 0, end: 0.7, duration: 1000 } }); // Main game loop game.update = function () { // Update starfield starField.update(); // Don't process game logic when upgrade menu is open if (game.showingUpgradeMenu) { return; } // Spawn enemies if (!game.bossActive) { game.enemySpawnTimer--; if (game.enemySpawnTimer <= 0) { spawnEnemy(); game.enemySpawnTimer = game.enemySpawnRate; } } // Spawn boss at certain levels if (!game.bossActive && game.level % game.bossSpawnLevel === 0 && game.enemies.length === 0) { spawnBoss(); } // Spawn asteroids game.asteroidSpawnTimer--; if (game.asteroidSpawnTimer <= 0) { spawnAsteroid(); game.asteroidSpawnTimer = game.asteroidSpawnRate; } // Auto-fire if (LK.ticks % 10 === 0) { player.shoot(); } // Update player player.update(); // Update all enemies for (var i = game.enemies.length - 1; i >= 0; i--) { var enemy = game.enemies[i]; enemy.update(); // Remove enemies that go off screen if (enemy.y > 2732 + 100) { enemy.destroy(); game.enemies.splice(i, 1); } } // Update all player bullets for (var i = game.bullets.length - 1; i >= 0; i--) { var bullet = game.bullets[i]; bullet.update(); // Remove bullets that go off screen if (bullet.y < -50) { bullet.destroy(); game.bullets.splice(i, 1); continue; } // Check for collisions with enemies var hitEnemy = false; for (var j = game.enemies.length - 1; j >= 0; j--) { var enemy = game.enemies[j]; if (bullet.intersects(enemy)) { if (enemy.hit(bullet.damage)) { game.enemies.splice(j, 1); } hitEnemy = true; break; } } if (hitEnemy) { bullet.destroy(); game.bullets.splice(i, 1); continue; } // Check for collisions with asteroids for (var j = game.asteroids.length - 1; j >= 0; j--) { var asteroid = game.asteroids[j]; if (bullet.intersects(asteroid)) { if (asteroid.hit(bullet.damage)) { game.asteroids.splice(j, 1); } bullet.destroy(); game.bullets.splice(i, 1); break; } } } // Update all enemy bullets for (var i = game.enemyBullets.length - 1; i >= 0; i--) { var bullet = game.enemyBullets[i]; bullet.update(); // Remove bullets that go off screen if (bullet.y > 2732 + 50) { bullet.destroy(); game.enemyBullets.splice(i, 1); continue; } // Check for collision with player if (player && bullet.intersects(player)) { player.hit(); bullet.destroy(); game.enemyBullets.splice(i, 1); } } // Update all asteroids for (var i = game.asteroids.length - 1; i >= 0; i--) { var asteroid = game.asteroids[i]; asteroid.update(); // Remove asteroids that go off screen if (asteroid.y > 2732 + 100) { asteroid.destroy(); game.asteroids.splice(i, 1); continue; } // Check for collision with player if (player && asteroid.intersects(player)) { player.hit(); asteroid.hit(1); if (asteroid.health <= 0) { game.asteroids.splice(i, 1); } } } // Update all crystals for (var i = game.crystals.length - 1; i >= 0; i--) { var crystal = game.crystals[i]; crystal.update(); // Remove crystals that go off screen if (crystal.y > 2732 + 50) { crystal.destroy(); game.crystals.splice(i, 1); continue; } // Check for collision with player if (player && crystal.intersects(player)) { // Play pickup sound LK.getSound('pickup').play(); crystal.destroy(); game.crystals.splice(i, 1); } } // Update score display scoreTxt.setText('Score: ' + LK.getScore()); // Check for boss defeat if (game.bossActive) { game.checkBossDefeat(); } // Update health display if (player) { healthDisplay.updateHealth(player.health, player.maxHealth); } };

Cosmic Guardian: Deep Space Defense by Iriii

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