/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Dragon = Container.expand(function () { var self = Container.call(this); var dragonFrames = ['dragon1', 'dragon2', 'dragon3']; var currentFrame = 0; var animationSpeed = 0.1; var frameCount = 0; var dragonGraphics = self.attachAsset('dragon2', { anchorX: 0.5, anchorY: 0.5 }); self.direction = 1; self.speed = 3; self.width = dragonGraphics.width; self.height = dragonGraphics.height; self.fireballCooldown = 0; self.health = 200; self.maxHealth = 200; // Method to update dragon animation self.updateAnimation = function () { frameCount += animationSpeed; if (frameCount >= 1) { frameCount = 0; currentFrame = (currentFrame + 1) % dragonFrames.length; // Replace current graphics with next frame dragonGraphics.destroy(); dragonGraphics = self.attachAsset(dragonFrames[currentFrame], { anchorX: 0.5, anchorY: 0.5, tint: 0xFFFFFF }); } }; self.update = function () { // Decrease fireball cooldown if (self.fireballCooldown > 0) { self.fireballCooldown--; } // Move dragon at normal speed self.x += self.speed * self.direction; // Check if we need to change direction if (self.x + self.width / 2 > 2048 || self.x - self.width / 2 < 0) { self.direction *= -1; // Change dragon scale to flip horizontally when changing direction dragonGraphics.scale.x = self.direction > 0 ? 1 : -1; // Increase animation speed temporarily when changing direction var originalAnimationSpeed = animationSpeed; animationSpeed = 0.2; LK.setTimeout(function () { animationSpeed = originalAnimationSpeed; }, 500); } // Update animation self.updateAnimation(); }; self.takeDamage = function (damage) { self.health -= damage; if (self.health < 0) { self.health = 0; } // Flash red when hit LK.effects.flashObject(self, 0xFF0000, 500); LK.getSound('dragonHit').play(); // Dragon remains calm when hit - no animation speed increase }; return self; }); var Fireball = Container.expand(function () { var self = Container.call(this); var fireballGraphics = self.attachAsset('fireball', { anchorX: 0.5, anchorY: 0.5 }); self.speedY = 7; self.speedX = 0; self.fromDragon = true; self.width = fireballGraphics.width; self.height = fireballGraphics.height; self.update = function () { self.y += self.speedY; self.x += self.speedX; // No fireball rotation animation }; self.slow = function () { self.speedY = self.speedY * 0.5; fireballGraphics.tint = 0x33CCFF; // Blue tint for slowed fireballs }; self.bounce = function () { self.speedY *= -1; self.fromDragon = false; // Add some random X velocity when bouncing self.speedX = (Math.random() - 0.5) * 5; // Change fireball to blue light ball after bounce self.children[0].destroy(); var blueballGraphics = self.attachAsset('bluelightball', { anchorX: 0.5, anchorY: 0.5, tint: 0x33CCFF // Keep blue tint for extra effect }); }; return self; }); var HealthBar = Container.expand(function (maxHealth, color) { var self = Container.call(this); self.maxWidth = 300; self.maxHealth = maxHealth || 100; self.currentHealth = self.maxHealth; var barBackground = self.attachAsset('healthBar', { anchorX: 0, anchorY: 0, tint: 0x333333 }); var healthFill = self.attachAsset(color === 'dragon' ? 'dragonHealthBar' : 'healthBar', { anchorX: 0, anchorY: 0 }); self.updateHealth = function (health) { self.currentHealth = health; var healthPercentage = self.currentHealth / self.maxHealth; healthFill.width = self.maxWidth * healthPercentage; }; return self; }); var Paddle = Container.expand(function () { var self = Container.call(this); var paddleGraphics = self.attachAsset('paddle', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 20; self.width = paddleGraphics.width; self.height = paddleGraphics.height; self.shield = null; self.activateShield = function () { if (self.shield) { return; } self.shield = self.attachAsset('shield', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); LK.setTimeout(function () { if (self.shield) { self.shield.destroy(); self.shield = null; } }, 5000); }; self.grow = function () { tween(paddleGraphics, { width: paddleGraphics.width * 1.5 }, { duration: 300, onFinish: function onFinish() { self.width = paddleGraphics.width; LK.setTimeout(function () { tween(paddleGraphics, { width: paddleGraphics.width / 1.5 }, { duration: 300, onFinish: function onFinish() { self.width = paddleGraphics.width; } }); }, 5000); } }); }; return self; }); var PowerUp = Container.expand(function (type) { var self = Container.call(this); self.type = type || 'shield'; // Default to shield type var color; switch (self.type) { case 'grow': color = 0x00FF00; // Green break; case 'slow': color = 0x0000FF; // Blue break; case 'shield': default: color = 0xFFCC00; // Gold break; } var powerUpGraphics = self.attachAsset('powerUp', { anchorX: 0.5, anchorY: 0.5, tint: color }); self.speedY = 2; self.width = powerUpGraphics.width; self.height = powerUpGraphics.height; self.update = function () { self.y += self.speedY; // Make it pulse slightly var scale = 1 + 0.1 * Math.sin(LK.ticks * 0.1); powerUpGraphics.scale.set(scale, scale); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x222244 }); /**** * Game Code ****/ // Game state variables var paddle; var dragon; var fireballs = []; var powerUps = []; var playerHealth = 100; var playerHealthBar; var dragonHealthBar; var gameOver = false; var score = 0; var scoreText; var powerUpTypes = ['shield', 'grow', 'slow']; var difficulty = 1; var powerUpChance = 0.01; // 1% chance per frame var difficultyIncreaseTimer; var playerIsAlive = true; function initGame() { // Add background var background = LK.getAsset('background', { anchorX: 0, anchorY: 0, width: 2048, height: 2732 }); game.addChild(background); // Create player paddle paddle = new Paddle(); paddle.x = 2048 / 2; paddle.y = 2732 - 150; game.addChild(paddle); // Create dragon dragon = new Dragon(); dragon.x = 2048 / 2; dragon.y = 200; game.addChild(dragon); // Dragon moves at normal speed now, no tween needed // Create health bars playerHealthBar = new HealthBar(100); playerHealthBar.x = 50; playerHealthBar.y = 2732 - 50; game.addChild(playerHealthBar); dragonHealthBar = new HealthBar(200, 'dragon'); dragonHealthBar.x = 2048 - 350; dragonHealthBar.y = 50; game.addChild(dragonHealthBar); // Create score display scoreText = new Text2('Score: 0', { size: 50, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); // Reset game variables fireballs = []; powerUps = []; playerHealth = 100; dragon.health = 200; gameOver = false; score = 0; LK.setScore(0); playerIsAlive = true; difficulty = 1; updateHealthBars(); updateScoreDisplay(); // Start difficulty increase timer difficultyIncreaseTimer = LK.setInterval(increaseDifficulty, 20000); // Every 20 seconds // Play background music LK.playMusic('gameMusic'); } function increaseDifficulty() { difficulty += 0.5; dragon.speed = Math.min(6, 3 + (difficulty - 1)); powerUpChance = Math.max(0.005, 0.01 - (difficulty - 1) * 0.001); } function updateHealthBars() { playerHealthBar.updateHealth(playerHealth); dragonHealthBar.updateHealth(dragon.health); } function updateScoreDisplay() { scoreText.setText('Score: ' + score); } function createFireball() { if (dragon.fireballCooldown <= 0 && !gameOver && playerIsAlive) { var fireball = new Fireball(); fireball.x = dragon.x; fireball.y = dragon.y + dragon.height / 2; fireballs.push(fireball); game.addChild(fireball); // Set cooldown to 2 seconds (120 frames at 60 FPS) dragon.fireballCooldown = 120; } } function createPowerUp() { if (Math.random() < powerUpChance && !gameOver && playerIsAlive) { var type = powerUpTypes[Math.floor(Math.random() * powerUpTypes.length)]; var powerUp = new PowerUp(type); powerUp.x = Math.random() * (2048 - 100) + 50; powerUp.y = 0; powerUps.push(powerUp); game.addChild(powerUp); } } function handleFireballCollisions() { for (var i = fireballs.length - 1; i >= 0; i--) { var fireball = fireballs[i]; // Check for collision with paddle if (fireball.fromDragon && fireball.intersects(paddle)) { if (paddle.shield) { // Shield absorbs the fireball fireball.destroy(); fireballs.splice(i, 1); // Destroy shield after absorbing paddle.shield.destroy(); paddle.shield = null; } else { // Bounce the fireball fireball.bounce(); LK.getSound('hit').play(); // Add points for successful deflection score += 10; LK.setScore(score); updateScoreDisplay(); } continue; } // Check for collision with dragon if (!fireball.fromDragon && fireball.intersects(dragon)) { dragon.takeDamage(10); updateHealthBars(); // Remove the fireball fireball.destroy(); fireballs.splice(i, 1); // Add points for hitting the dragon score += 50; LK.setScore(score); updateScoreDisplay(); // Check for win condition if (dragon.health <= 0) { gameOver = true; playerIsAlive = false; LK.showYouWin(); } continue; } // Check if fireball is off-screen if (fireball.y > 2732 + fireball.height) { // Player missed a fireball if (fireball.fromDragon) { playerHealth -= 10; updateHealthBars(); LK.getSound('playerDamage').play(); // Flash screen red to indicate damage LK.effects.flashScreen(0xFF0000, 300); // Check for lose condition if (playerHealth <= 0) { gameOver = true; playerIsAlive = false; LK.showGameOver(); } } // Remove the fireball fireball.destroy(); fireballs.splice(i, 1); } else if (fireball.y < -fireball.height) { // Fireball went off the top of the screen fireball.destroy(); fireballs.splice(i, 1); } else if (fireball.x < -fireball.width || fireball.x > 2048 + fireball.width) { // Fireball went off the sides of the screen fireball.destroy(); fireballs.splice(i, 1); } } } function handlePowerUpCollisions() { for (var i = powerUps.length - 1; i >= 0; i--) { var powerUp = powerUps[i]; // Check for collision with paddle if (powerUp.intersects(paddle)) { // Apply power-up effect switch (powerUp.type) { case 'grow': paddle.grow(); break; case 'slow': // Slow all current fireballs fireballs.forEach(function (fireball) { if (fireball.fromDragon) { fireball.slow(); } }); break; case 'shield': paddle.activateShield(); break; } // Play power-up sound LK.getSound('powerUpCollect').play(); // Remove the power-up powerUp.destroy(); powerUps.splice(i, 1); // Add points score += 20; LK.setScore(score); updateScoreDisplay(); continue; } // Check if power-up is off-screen if (powerUp.y > 2732 + powerUp.height) { powerUp.destroy(); powerUps.splice(i, 1); } } } // Handle movement for paddle var isDragging = false; game.down = function (x, y, obj) { isDragging = true; paddle.x = x; }; game.move = function (x, y, obj) { if (isDragging) { // Convert event coordinates to game coordinates if needed var targetX = x; // Directly set the paddle position for more responsive control paddle.x = targetX; // Keep paddle within screen bounds if (paddle.x < paddle.width / 2) { paddle.x = paddle.width / 2; } else if (paddle.x > 2048 - paddle.width / 2) { paddle.x = 2048 - paddle.width / 2; } } }; game.up = function (x, y, obj) { isDragging = false; }; // Game update loop game.update = function () { if (gameOver) { return; } // Update dragon dragon.update(); // Create new fireballs createFireball(); // Create power-ups createPowerUp(); // Update all fireballs for (var i = 0; i < fireballs.length; i++) { fireballs[i].update(); } // Update all power-ups for (var i = 0; i < powerUps.length; i++) { powerUps[i].update(); } // Check for collisions handleFireballCollisions(); handlePowerUpCollisions(); }; // Initialize the game initGame();