/**** * Classes ****/ // Bullet class var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5, scaleX: 0.75, scaleY: 0.75 }); self.speed = -10; self.speedX = 0; self.speedY = self.speed; self.update = function () { self.x += self.speedX; self.y += self.speedY; }; }); // Enemy class var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5, scaleX: 2.0, scaleY: 2.0 }); self.speed = 2; self.update = function () { // Mimic player movement logic for enemy self.x += Math.sin(self.y / 50) * self.speed * 2; // Zigzag horizontal movement self.y += self.speed; // Continue downward movement }; }); // The assets will be automatically created and loaded by the LK engine // Player class var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5, scaleX: 2.0, scaleY: 2.0 }); self.speed = 5; self.update = function () { // Player movement logic goes here }; }); // PowerUp class var PowerUp = Container.expand(function () { var self = Container.call(this); var powerUpGraphics = self.attachAsset('powerUp', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.0, scaleY: 1.0 }); self.speed = 3; self.update = function () { self.y += self.speed; }; }); // Rubbish class var Rubbish = Container.expand(function () { var self = Container.call(this); var rubbishGraphics = self.attachAsset('rubbish', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.0, scaleY: 1.0 }); self.speed = 3; self.update = function () { self.y += self.speed; }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Initialize player, bullets and enemies var player = game.addChild(new Player()); player.x = 2048 / 2; player.y = 2732 - 100; var bullets = []; var enemies = []; var score = 0; var lives = 5; var scoreText = new Text2('Score: 0', { size: 100, fill: "#ffffff" }); scoreText.x = 2048 - 500; // Move score display further to the left scoreText.y = 50; // Slightly lower from the top game.addChild(scoreText); var hearts = []; for (var i = 0; i < lives; i++) { var heart = LK.getAsset('heart', { anchorX: 0.5, anchorY: 0.5, scaleX: 0.5, scaleY: 0.5, x: 40 + i * 60, y: 80 }); hearts.push(heart); game.addChild(heart); } // Game update function game.update = function () { // Player movement logic game.move = function (x, y, obj) { player.x = x; player.y = y; }; // Shooting logic if (LK.ticks % 10 == 0) { // Fire a bullet every 10 ticks var bullet = new Bullet(); bullet.x = player.x; bullet.y = player.y; bullets.push(bullet); game.addChild(bullet); } // Enemy, power-up, and rubbish spawning logic if (LK.ticks % Math.max(60, 120 - Math.floor(score / 10)) == 0) { for (var i = 0; i < Math.min(5, 1 + Math.floor(score / 50)); i++) { var enemy = new Enemy(); enemy.x = Math.random() * 2048; enemy.y = 0; enemies.push(enemy); game.addChild(enemy); } // Randomly throw power-ups if (Math.random() < 0.3) { // 30% chance to throw a power-up var powerUp = new PowerUp(); powerUp.x = enemy.x; powerUp.y = enemy.y; // Ensure power-up does not overlap with rubbish var overlap = false; for (var i = 0; i < game.children.length; i++) { if (game.children[i] instanceof Rubbish && powerUp.intersects(game.children[i])) { overlap = true; break; } } if (!overlap) { game.addChild(powerUp); } } // Randomly throw rubbish if (Math.random() < 0.5) { // 50% chance to throw rubbish var rubbish = new Rubbish(); rubbish.x = enemy.x; rubbish.y = enemy.y; // Ensure rubbish does not overlap with power-ups var overlap = false; for (var i = 0; i < game.children.length; i++) { if (game.children[i] instanceof PowerUp && rubbish.intersects(game.children[i])) { overlap = true; break; } } if (!overlap) { game.addChild(rubbish); } } } // Bullet and enemy update logic for (var i = bullets.length - 1; i >= 0; i--) { if (bullets[i].y < 0) { bullets[i].destroy(); bullets.splice(i, 1); } } for (var i = enemies.length - 1; i >= 0; i--) { if (enemies[i].y > 2732) { enemies[i].destroy(); enemies.splice(i, 1); } } // Collision detection for (var i = bullets.length - 1; i >= 0; i--) { for (var j = enemies.length - 1; j >= 0; j--) { if (bullets[i].intersects(enemies[j])) { bullets[i].destroy(); bullets.splice(i, 1); enemies[j].destroy(); enemies.splice(j, 1); score += 10; scoreText.setText('Score: ' + score); break; } } } // Check for collision between player and enemies for (var j = enemies.length - 1; j >= 0; j--) { if (player.intersects(enemies[j])) { enemies[j].destroy(); enemies.splice(j, 1); lives -= 1; if (hearts.length > lives) { var heartToRemove = hearts.pop(); heartToRemove.destroy(); } if (lives <= 0) { // Show game over LK.showGameOver(); } } } // Power-up collection and rubbish collision for (var i = 0; i < game.children.length; i++) { var child = game.children[i]; if (child instanceof PowerUp && player.intersects(child)) { child.destroy(); // Implement power-up effect: scatter bullets for (var angle = 0; angle < 360; angle += 45) { var scatterBullet = new Bullet(); scatterBullet.x = player.x; scatterBullet.y = player.y; scatterBullet.speedX = Math.cos(angle * Math.PI / 180) * 10; scatterBullet.speedY = Math.sin(angle * Math.PI / 180) * 10; scatterBullet.update = function () { this.x += this.speedX; this.y += this.speedY; }; bullets.push(scatterBullet); game.addChild(scatterBullet); } } else if (child instanceof Rubbish && player.intersects(child)) { child.destroy(); // Decrease life by 1 lives -= 1; if (hearts.length > lives) { var heartToRemove = hearts.pop(); heartToRemove.destroy(); } if (lives <= 0) { // Show game over LK.showGameOver(); } } } // Increase enemy speed after score reaches 100 if (score >= 100) { for (var i = 0; i < enemies.length; i++) { enemies[i].speed += 0.01; // Gradually increase speed } } };