/**** * Classes ****/ // Boss class // Boss class var Boss = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('boss', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.5, scaleY: 1.5 }); self.speed = 2; self.horizontalSpeed = 2; self.health = 100; // Define shootDeathLaser function here self.shotCount = 0; // Initialize shot counter self.shootDeathLaser = function () { // Shake effect for 2 seconds var shakeDuration = 120; // 2 seconds at 60 FPS var shakeIntensity = 10; var shakeCount = 0; var originalX = self.x; var originalY = self.y; var shakeInterval = LK.setInterval(function () { if (shakeCount < shakeDuration) { self.x = originalX + (Math.random() - 0.5) * shakeIntensity; self.y = originalY + (Math.random() - 0.5) * shakeIntensity; shakeCount++; } else { LK.clearInterval(shakeInterval); self.x = originalX; self.y = originalY; // Shoot death lasers after shaking var deathLaser1 = new DeathLaser(self.x - bossGraphics.width * 0.2, self.y + bossGraphics.height * 0.75); var deathLaser2 = new DeathLaser(self.x + bossGraphics.width * 0.2, self.y + bossGraphics.height * 0.75); game.addChild(deathLaser1); game.addChild(deathLaser2); enemyLasers.push(deathLaser1); enemyLasers.push(deathLaser2); // Increment shot counter self.shotCount++; // Relocate boss after 6 shots if (self.shotCount >= 6) { self.shotCount = 0; // Reset shot counter self.x = Math.random() * (2048 - bossGraphics.width * 1.5) + bossGraphics.width * 0.75; self.y = Math.random() * (2732 / 3 - bossGraphics.height * 1.5) + bossGraphics.height * 0.75; } // Resume spawning enemies self.resumeEnemySpawning(); } }, 1000 / 60); // 60 FPS }; self.update = function () { if (self.y < 2732 / 3 - bossGraphics.height / 4) { self.y += self.speed; } else { self.x += self.horizontalSpeed; if (self.x > 2048 - bossGraphics.width * 0.75 || self.x < bossGraphics.width * 0.75) { self.horizontalSpeed = -self.horizontalSpeed; } // Boss shoots death laser if health is <= 5 if (self.health <= 50 && LK.ticks % 30 == 0) { self.shootDeathLaser(); } } }; self.shoot = function () { if (self.health <= 50) { return; // Stop shooting normal lasers if health is 5 or less } // Center laser var centerLaser = new EnemyLaser(self.x, self.y + bossGraphics.height * 0.75); game.addChild(centerLaser); enemyLasers.push(centerLaser); // Right side laser var rightLaser = new EnemyLaser(self.x + bossGraphics.width * 0.3, self.y + bossGraphics.height * 0.75); game.addChild(rightLaser); enemyLasers.push(rightLaser); // Left side laser var leftLaser = new EnemyLaser(self.x - bossGraphics.width * 0.3, self.y + bossGraphics.height * 0.75); game.addChild(leftLaser); enemyLasers.push(leftLaser); }; }); var DeathLaser = Container.expand(function (x, y) { var self = Container.call(this); var deathLaserGraphics = self.attachAsset('deathlaser', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.5, scaleY: 1.5 }); self.x = x; self.y = y; self.speed = 20; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.destroy(); } }; }); // EnemyLaser class var EnemyLaser = Container.expand(function (x, y) { var self = Container.call(this); var enemyLaserGraphics = self.attachAsset('enemylaser', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.5, scaleY: 1.5 }); self.x = x; self.y = y; self.speed = 10; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.destroy(); } }; }); // EnemyShip class var EnemyShip = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemyship', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.destroy(); } }; self.shoot = function () { var enemyLaser = new EnemyLaser(self.x, self.y + enemyGraphics.height / 2); game.addChild(enemyLaser); enemyLasers.push(enemyLaser); }; }); // Laser class var Laser = Container.expand(function (x, y) { var self = Container.call(this); var laserGraphics = self.attachAsset('laser', { anchorX: 0.5, anchorY: 0.5 }); self.x = x; self.y = y; self.speed = -15; self.update = function () { self.y += self.speed; if (self.y < 0) { self.destroy(); } }; }); // // SpaceShip class var SpaceShip = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('spaceship', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.update = function () { self.y = 2732 - 200; }; self.shoot = function () { var laser = new Laser(self.x, self.y - shipGraphics.height / 2); game.addChild(laser); lasers.push(laser); LK.getSound('new_laser_sound_id').play(); }; }); // Star class var Star = Container.expand(function () { var self = Container.call(this); var starGraphics = self.attachAsset('star', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 2; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.y = -starGraphics.height; self.x = Math.random() * 2048; } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Play background music LK.playMusic('space'); // Removed incorrect sound play call // Initialize arrays and variables var spaceship; var enemies = []; var lasers = []; var enemyLasers = []; var stars = []; var score = 0; var scoreTxt = new Text2('0', { size: 150, fill: "#ffffff" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var boss = null; // Create spaceship spaceship = new SpaceShip(); spaceship.x = 2048 / 2; spaceship.y = 2732 - 200; game.addChild(spaceship); // Create and add stars for (var i = 0; i < 50; i++) { var star = new Star(); star.x = Math.random() * 2048; star.y = Math.random() * 2732; stars.push(star); game.addChild(star); } // Spawn enemies function spawnEnemy() { var enemy = new EnemyShip(); enemy.x = Math.random() * 2048; enemy.y = -100; enemies.push(enemy); game.addChild(enemy); } // Handle game updates game.update = function () { // Update spaceship spaceship.update(); // Update stars for (var i = stars.length - 1; i >= 0; i--) { stars[i].update(); } // Update lasers for (var i = lasers.length - 1; i >= 0; i--) { lasers[i].update(); if (lasers[i].y < 0) { lasers[i].destroy(); lasers.splice(i, 1); } } // Update enemy lasers for (var i = enemyLasers.length - 1; i >= 0; i--) { enemyLasers[i].update(); if (enemyLasers[i].y > 2732) { enemyLasers[i].destroy(); enemyLasers.splice(i, 1); } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { enemies[i].update(); if (enemies[i].y > 2732) { enemies[i].destroy(); enemies.splice(i, 1); } } // Check for collisions for (var i = lasers.length - 1; i >= 0; i--) { for (var j = enemies.length - 1; j >= 0; j--) { if (lasers[i].intersects(enemies[j])) { lasers[i].destroy(); var destroyEffect = LK.getAsset('destroy', { anchorX: 0.5, anchorY: 0.5, x: enemies[j].x, y: enemies[j].y }); game.addChild(destroyEffect); LK.setTimeout(function () { destroyEffect.destroy(); }, 200); LK.getSound('explosion').play(); enemies[j].destroy(); lasers.splice(i, 1); enemies.splice(j, 1); score++; scoreTxt.setText(score); if (score === 100 && !boss) { boss = new Boss(); boss.x = 2048 / 2; boss.y = -boss.height; game.addChild(boss); } break; } } if (boss && boss.intersects && lasers[i] && lasers[i].intersects(boss)) { lasers[i].destroy(); var destroyEffect = LK.getAsset('destroy', { anchorX: 0.5, anchorY: 0.5, scaleX: 2, scaleY: 2, x: boss.x, y: boss.y }); game.addChild(destroyEffect); LK.setTimeout(function () { destroyEffect.destroy(); }, 200); LK.getSound('explosion').play(); boss.health--; if (boss.health <= 0) { var kabomEffects = []; for (var i = 0; i < 3; i++) { var kabomEffect = LK.getAsset('kabom', { anchorX: 0.5, anchorY: 0.5, scaleX: boss.width / 400, scaleY: boss.height / 400, x: boss.x + (Math.random() - 0.5) * boss.width / 2, y: boss.y + (Math.random() - 0.5) * boss.height / 2 }); game.addChild(kabomEffect); kabomEffects.push(kabomEffect); } LK.setTimeout(function () { for (var i = 0; i < kabomEffects.length; i++) { kabomEffects[i].destroy(); } }, 200); LK.getSound('kabom').play(); boss.destroy(); boss = null; } lasers.splice(i, 1); score++; scoreTxt.setText(score); break; } } for (var i = enemyLasers.length - 1; i >= 0; i--) { if (enemyLasers[i].intersects(spaceship)) { enemyLasers[i].destroy(); enemyLasers.splice(i, 1); // Flash screen red for 1 second (1000ms) to show we are dead. LK.effects.flashScreen(0xff0000, 1000); // Show game over. The game will be automatically paused while game over is showing. LK.showGameOver(); // Calling this will destroy the 'Game' and reset entire game state. break; } } // Spawn enemies periodically if boss is not present if (LK.ticks % 60 == 0) { spawnEnemy(); } // Enemies shoot periodically if boss is not present if (LK.ticks % 120 == 0) { for (var i = 0; i < enemies.length; i++) { enemies[i].shoot(); } } if (boss) { boss.update(); if (boss.health > 5 && LK.ticks % 60 == 0) { boss.shoot(); } } }; // Handle touch events game.down = function (x, y, obj) { spaceship.shoot(); }; game.move = function (x, y, obj) { spaceship.x = x; }; game.up = function (x, y, obj) { // No action needed on touch up }; // Add method to resume enemy spawning Boss.prototype.resumeEnemySpawning = function () { // Spawn enemies periodically if (LK.ticks % 60 == 0 && !boss) { spawnEnemy(); } // Enemies shoot periodically if (LK.ticks % 120 == 0 && !boss) { for (var i = 0; i < enemies.length; i++) { enemies[i].shoot(); } } };