/**** * Classes ****/ // Bullet class 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.update = function () { self.y += self.speed; }; }); // Enemy1 class var Enemy1 = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speedX = Math.min((Math.random() - 0.5) * 2 * enemySpeed, maxEnemySpeed); self.speedY = Math.min((Math.random() - 0.5) * 2 * enemySpeed, maxEnemySpeed); self.update = function () { self.x += self.speedX; self.y += self.speedY; // If enemy reaches the edge of the screen, change direction if (self.x < 0 || self.x > 2048) { self.speedX = -self.speedX; } if (self.y < 0 || self.y > 2732) { self.speedY = -self.speedY; } }; }); // Enemy2 class var Enemy2 = Container.expand(function () { var self = Container.call(this); var enemy2Graphics = self.attachAsset('enemy2', { anchorX: 0.5, anchorY: 0.5 }); self.speedX = (Math.random() - 0.5) * 2 * enemySpeed; self.speedY = (Math.random() - 0.5) * 2 * enemySpeed; self.health = 5; // Initialize health to 5 self.update = function () { // Calculate the direction vector from enemy2 to the hero var directionX = hero.x - self.x; var directionY = hero.y - self.y; // Normalize the direction vector var length = Math.sqrt(directionX * directionX + directionY * directionY); directionX /= length; directionY /= length; // Move enemy2 towards the hero with a speed of 5 self.x += directionX * 5; self.y += directionY * 5; }; }); // Enemy4 class var Enemy4 = Container.expand(function () { var self = Container.call(this); var enemy4Graphics = self.attachAsset('Rusher', { anchorX: 0.5, anchorY: 0.5 }); self.speedX = 0; // No horizontal movement self.speedY = 20; // Set vertical movement speed self.health = 3; // Initialize health to 3 self.update = function () { self.y += self.speedY; // Move Enemy4 straight downwards if (self.y > 2732) { // Check if Enemy4 is out of the screen self.destroy(); enemy4Count--; } }; }); // EnemyBullet class var EnemyBullet = Container.expand(function () { var self = Container.call(this); var enemyBulletGraphics = self.attachAsset('Enemybullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 20; // Set speed for EnemyBullet self.update = function () { self.x += self.speedX; // Move EnemyBullet in X direction self.y += self.speedY; // Move EnemyBullet in Y direction }; }); // // // Hero class var Hero = Container.expand(function () { var self = Container.call(this); var heroGraphics = self.attachAsset('hero', { anchorX: 0.5, anchorY: 0.5 }); self.immune = false; // Initialize immunity status self.speed = 10; self.fireRate = 1; // Initialize fire rate self.lives = 2; // Initialize hero with 2 lives self.update = function () { // Update logic for hero if (self.immune) { // Make hero asset blink by toggling visibility heroGraphics.visible = LK.ticks % 20 < 10; // Display Immunity asset on top of the hero if (!self.immunityAsset) { self.immunityAsset = self.attachAsset('Immunity', { anchorX: 0.5, anchorY: 0.5 }); } self.immunityAsset.visible = true; } else { // Ensure hero is visible when not immune heroGraphics.visible = true; // Hide Immunity asset when not immune if (self.immunityAsset) { self.immunityAsset.visible = false; } } }; }); // LargeEnemy class var LargeEnemy = Container.expand(function () { var self = Container.call(this); var largeEnemyGraphics = self.attachAsset('Largeenemy', { anchorX: 0.5, anchorY: 0.5 }); self.speedX = 2 * (Math.random() < 0.5 ? -1 : 1); // Set speedX to 2 in a random direction self.speedY = 2 * (Math.random() < 0.5 ? -1 : 1); // Set speedY to 2 in a random direction self.health = 20; // Initialize health to 20 self.update = function () { self.x += self.speedX; self.y += self.speedY; // If large enemy reaches the edge of the screen, change direction if (self.x < 0 || self.x > 2048) { self.speedX = -self.speedX; } if (self.y < 0 || self.y > 2732) { self.speedY = -self.speedY; } }; }); // Shield class var Shield = Container.expand(function () { var self = Container.call(this); var shieldGraphics = self.attachAsset('Shield', { anchorX: 0.5, anchorY: 0.5 }); self.speedY = 5; // Set vertical movement speed self.update = function () { self.y += self.speedY; // Move Shield straight downwards if (self.y > 2732) { // Destroy shield if it moves out of the screen self.destroy(); } }; }); // Star class var Star = Container.expand(function () { var self = Container.call(this); var starSize = Math.random() * 65 + 5; var starGraphics = self.attachAsset('star', { anchorX: 0.5, anchorY: 0.5, width: starSize, height: starSize }); self.speed = starSize / 20; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.y = -100; self.x = Math.random() * 2048; } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Set interval to spawn Shield between 10 and 15 seconds LK.setInterval(function () { spawnShield(); LK.setTimeout(spawnShield, Math.random() * (15000 - 10000) + 10000); }, Math.random() * (15000 - 10000) + 10000); function spawnShield() { // Check if hero is not immune before spawning a new shield if (!hero.immune && !game.children.some(function (child) { return child instanceof Shield; })) { var shield = new Shield(); shield.x = Math.random() * 2048; // Random x position at the top shield.y = 0; // Spawn at the top of the screen game.addChild(shield); } } function spawnEnemy4() { var enemy4 = new Enemy4(); enemy4.x = Math.random() * 2048; // Random x position at the top enemy4.y = 0; // Spawn at the top of the screen enemies.push(enemy4); game.addChild(enemy4); enemy4Count++; } function spawnLargeEnemy() { // Check if a LargeEnemy already exists if (!enemies.some(function (e) { return e instanceof LargeEnemy; })) { LK.setTimeout(function () { var largeEnemy = new LargeEnemy(); largeEnemy.x = Math.random() * 2048; largeEnemy.y = 0; // Spawn at the top of the screen enemies.push(largeEnemy); game.addChild(largeEnemy); // Set a timer to respawn LargeEnemy every 20 seconds LK.setTimeout(spawnLargeEnemy, 20000); }, 3000); // Initial spawn 3 seconds after 20 Enemy2 are destroyed } } // Initialize EnemyBullet spawning from LargeEnemy function spawnEnemyBullet() { // Find the LargeEnemy instance var largeEnemy = enemies.find(function (e) { return e instanceof LargeEnemy; }); if (largeEnemy) { // Calculate direction towards the hero var directionX = hero.x - largeEnemy.x; var directionY = hero.y - largeEnemy.y; var length = Math.sqrt(directionX * directionX + directionY * directionY); directionX /= length; directionY /= length; // Create a new EnemyBullet var enemyBullet = new EnemyBullet(); enemyBullet.x = largeEnemy.x; enemyBullet.y = largeEnemy.y; enemyBullet.speedX = directionX * 8; enemyBullet.speedY = directionY * 8; enemies.push(enemyBullet); game.addChild(enemyBullet); } } // Set interval to spawn EnemyBullet every 2 seconds LK.setInterval(spawnEnemyBullet, 2000); // Start playing music 'Epic' at the start of the game and repeat it every time it ends LK.playMusic('Epic', { loop: true }); // Initialize stars // Enemy class var enemySpeed = 2; var maxEnemySpeed = 10; // Set max speed for enemy1 var 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); } // Initialize hero var hero = game.addChild(new Hero()); hero.x = 2048 / 2; hero.y = 2732 - 200; // Initialize lives display using lives asset var livesDisplay = []; for (var i = 0; i < hero.lives; i++) { var lifeIcon = LK.getAsset('Lives', { anchorX: 0.5, anchorY: 0.5 }); lifeIcon.x = 50 + i * 60; // Position each life icon with some spacing from the left lifeIcon.y = 2732 - 100; // Position at the bottom of the screen game.addChild(lifeIcon); livesDisplay.push(lifeIcon); } // Initialize fire rate display var fireRateDisplay = new Text2('Fire Rate: ' + hero.fireRate, { size: 56, fill: 0xFFFFFF, fontWeight: 'bold' }); fireRateDisplay.anchor.set(0.5, 0.5); fireRateDisplay.x = 180; // Move fire rate display slightly to the right fireRateDisplay.y = 2732 - 200; // Move slightly higher on the screen game.addChild(fireRateDisplay); // Initialize points display var pointsDisplay = new Text2('Points: 0', { size: 100, fill: 0xFFFFFF, fontWeight: 'bolder' }); pointsDisplay.anchor.set(0.5, 0.5); pointsDisplay.x = 2048 / 2; // Center the points display horizontally pointsDisplay.y = 100; // Move points display slightly further down from the top of the screen game.addChild(pointsDisplay); // Function to update points display function updatePointsDisplay(points) { pointsDisplay.setText('Points: ' + points); // Check if points have reached a multiple of 1000 if (points % 1000 === 0 && points !== 0) { // Increase hero lives by 1 hero.lives += 1; // Update lives display // Clear existing lives display while (livesDisplay.length > 0) { var lifeIcon = livesDisplay.pop(); game.removeChild(lifeIcon); } // Recreate lives display based on current lives for (var i = 0; i < hero.lives; i++) { var lifeIcon = LK.getAsset('Lives', { anchorX: 0.5, anchorY: 0.5 }); lifeIcon.x = 50 + i * 60; // Position each life icon with some spacing from the left lifeIcon.y = 2732 - 100; // Position at the bottom of the screen game.addChild(lifeIcon); livesDisplay.push(lifeIcon); } } } // Initialize enemy1 and enemy2 spawn and destroy count var enemy1DestroyCount = 0; // Track the number of times Enemy1 is destroyed var enemy2SpawnCount = 0; var enemy2DestroyCount = 0; // Track the number of times Enemy2 is destroyed var enemy4Spawned = false; // Track if Enemy4 has been spawned var enemy4Count = 0; // Track the number of Enemy4 currently in the game var enemy4RespawnTimer = null; // Timer for Enemy4 respawn // Initialize three enemies at the start of the game in a radial formation var enemies = []; var radius = 500; // radius of the circle var centerX = 2048 / 2; // center of the circle (X coordinate) var centerY = 2732 / 2; // center of the circle (Y coordinate) for (var i = 0; i < 3; i++) { var enemy = new Enemy1(); var angle = 2 * Math.PI * i / 3; // angle for each enemy enemy.x = centerX + radius * Math.cos(angle); enemy.y = centerY + radius * Math.sin(angle); enemies.push(enemy); game.addChild(enemy); } // Initialize bullets var bullets = []; // Handle game move events game.move = function (x, y, obj) { hero.x = Math.max(0, Math.min(2048, x)); hero.y = Math.max(0, Math.min(2632, y)); }; // Handle game update game.update = function () { // Update stars for (var i = 0; i < stars.length; i++) { stars[i].update(); } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; bullet.update(); if (bullet.y < -50) { bullet.destroy(); bullets.splice(i, 1); } } // Initialize fire rate and maximum fire rate var fireRate = 20; var maxFireRate = 6; // Fire bullets if (LK.ticks % Math.floor(60 / hero.fireRate) == 0) { var newBullet = new Bullet(); newBullet.x = hero.x; newBullet.y = hero.y; bullets.push(newBullet); game.addChild(newBullet); // Play Bullet sound var bulletSound = LK.getSound('Bullet'); if (bulletSound) { bulletSound.play(); } } // Check if 50 Enemy1 units have been destroyed to spawn Enemy4 if (enemy1DestroyCount >= 50 && enemy4Count < 3) { if (!enemy4Spawned) { spawnEnemy4(); enemy4Spawned = true; } else if (!enemy4RespawnTimer) { enemy4RespawnTimer = LK.setInterval(function () { spawnEnemy4(); }, Math.random() * (10000 - 5000) + 5000); } } // Check for collisions for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; for (var j = bullets.length - 1; j >= 0; j--) { var bullet = bullets[j]; if (bullet.intersects(enemy) && !(bullet instanceof EnemyBullet) && !(enemy instanceof EnemyBullet)) { if (enemy instanceof Enemy2 || enemy instanceof LargeEnemy || enemy instanceof Enemy4) { enemy.health -= 1; // Decrease health by 1 if (enemy.health <= 0) { enemy.destroy(); enemies.splice(i, 1); // Update points display updatePointsDisplay(LK.getScore()); // Add explosion effect at the enemy's position var explosion = LK.getAsset('Explosion', { anchorX: 0.5, anchorY: 0.5 }); explosion.x = enemy.x; explosion.y = enemy.y; game.addChild(explosion); // Play explosion sound var explosionSound = LK.getSound('Explosion'); if (explosionSound) { explosionSound.play(); } // Remove explosion after 0.3 seconds LK.setTimeout(function () { game.removeChild(explosion); }, 300); if (enemy instanceof Enemy2) { enemy2DestroyCount++; LK.setScore(LK.getScore() + 20); // Increase points by 20 updatePointsDisplay(LK.getScore()); // Update points display if (enemy2DestroyCount === 20) { spawnLargeEnemy(); } } else if (enemy instanceof Enemy4) { LK.setScore(LK.getScore() + 30); // Increase points by 30 updatePointsDisplay(LK.getScore()); // Update points display } else if (enemy instanceof LargeEnemy) { LK.setScore(LK.getScore() + 50); // Increase points by 50 updatePointsDisplay(LK.getScore()); // Update points display } } } else { enemy.destroy(); enemies.splice(i, 1); if (enemy instanceof Enemy4) { enemy4Count--; } if (enemy instanceof Enemy1) { enemy1DestroyCount++; LK.setScore(LK.getScore() + 10); // Increase points by 10 updatePointsDisplay(LK.getScore()); // Update points display } // Add explosion effect at the enemy's position var explosion = LK.getAsset('Explosion', { anchorX: 0.5, anchorY: 0.5 }); explosion.x = enemy.x; explosion.y = enemy.y; game.addChild(explosion); // Play explosion sound var explosionSound = LK.getSound('Explosion'); if (explosionSound) { explosionSound.play(); } // Remove explosion after 0.3 seconds LK.setTimeout(function () { game.removeChild(explosion); }, 300); // Increase enemy1 speed by 0.25 each time an enemy is destroyed, maximum speed of 8 enemySpeed = Math.min(enemySpeed + 0.25, 8); // Increase hero's fire rate by 0.1 each time an enemy is destroyed, maximum fire rate of 6 hero.fireRate = Math.min(hero.fireRate + 0.1, 6); fireRateDisplay.setText('Fire Rate: ' + hero.fireRate.toFixed(1)); } bullet.destroy(); bullets.splice(j, 1); // Create new enemies only if there are less than 8 Enemy1 units if (enemies.filter(function (e) { return e instanceof Enemy1; }).length < 8) { for (var k = 0; k < 2; k++) { var newEnemy = new Enemy1(); newEnemy.x = Math.random() * 2048; newEnemy.y = 0; enemies.push(newEnemy); game.addChild(newEnemy); // Removed speed increase system for enemies if (enemySpeed >= 8) { // Spawn enemy2 in a triangular formation var enemy2Count = 0; for (var i = 0; i < enemies.length; i++) { if (enemies[i] instanceof Enemy2) { enemy2Count++; } } if (enemy2Count == 0 && enemies.filter(function (e) { return e instanceof Enemy2; }).length < 5) { enemy2SpawnCount++; // Removed LargeEnemy spawn logic if (!game.enemy2RespawnTimer) { game.enemy2RespawnTimer = LK.setTimeout(function () { for (var i = 0; i < 5; i++) { var enemy2 = new Enemy2(); enemy2.x = Math.random() * 2048; // Random x position enemy2.y = Math.random() * (2732 / 2); // Random y position in the top half of the screen enemies.push(enemy2); game.addChild(enemy2); } game.enemy2RespawnTimer = null; }, Math.random() * (10000 - 5000) + 5000); } } } } } break; } } } // Check for collisions between hero and enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (hero.intersects(enemy)) { if (!hero.immune) { // Check if hero is not immune hero.lives -= 1; // Decrease hero lives by 1 // Update lives display // Clear existing lives display while (livesDisplay.length > 0) { var lifeIcon = livesDisplay.pop(); game.removeChild(lifeIcon); } // Recreate lives display based on current lives for (var i = 0; i < hero.lives; i++) { var lifeIcon = LK.getAsset('Lives', { anchorX: 0.5, anchorY: 0.5 }); lifeIcon.x = 50 + i * 60; // Position each life icon with some spacing from the left lifeIcon.y = 2732 - 100; // Position at the bottom of the screen game.addChild(lifeIcon); livesDisplay.push(lifeIcon); } hero.immune = true; // Set hero to immune LK.setTimeout(function () { hero.immune = false; // Remove immunity after 3 seconds }, 3000); } LK.effects.flashScreen(0xff0000, 1000); // Flash screen red for 1 second to indicate collision if (hero.lives <= 0) { // Play pexplosion sound var pexplosionSound = LK.getSound('Pexplosion'); if (pexplosionSound) { pexplosionSound.play(); } // Replace hero asset with Playerexplosion var playerExplosion = LK.getAsset('Playerexplosion', { anchorX: 0.5, anchorY: 0.5 }); playerExplosion.x = hero.x; playerExplosion.y = hero.y; game.addChild(playerExplosion); // Remove Playerexplosion after 0.5 seconds LK.setTimeout(function () { game.removeChild(playerExplosion); }, 500); LK.showGameOver(); // Show game over if lives reach zero } break; } } // Check for collisions between hero and shields for (var i = game.children.length - 1; i >= 0; i--) { var child = game.children[i]; if (child instanceof Shield && hero.intersects(child)) { hero.immune = true; // Grant immunity to hero child.destroy(); // Destroy the shield LK.setTimeout(function () { hero.immune = false; // Remove immunity after 5 seconds }, 5000); break; } } // Check win condition if (enemies.length === 0) { LK.showYouWin(); } };