/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { highScore: 0 }); /**** * Classes ****/ var Enemy = Container.expand(function () { var self = Container.call(this); var graphic = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 2 + Math.random() * 1.5; self.health = 1; self.points = 10; self.canShoot = Math.random() > 0.7; self.shotDelay = 60 + Math.floor(Math.random() * 120); self.shotTimer = self.shotDelay; self.movePattern = Math.floor(Math.random() * 3); self.amplitude = 30 + Math.random() * 50; self.frequency = 0.01 + Math.random() * 0.02; self.baseX = 0; self.angle = Math.random() * Math.PI * 2; self.init = function (x, y) { self.x = x; self.y = y; self.baseX = x; }; self.hit = function (power) { self.health -= power; // Visual feedback for hit tween(graphic, { alpha: 0.2 }, { duration: 100, easing: tween.linear, onFinish: function onFinish() { tween(graphic, { alpha: 1 }, { duration: 100, easing: tween.linear }); } }); return self.health <= 0; }; self.update = function () { self.y += self.speed; // Different movement patterns if (self.movePattern === 0) { // Sine wave movement self.x = self.baseX + Math.sin(self.angle) * self.amplitude; self.angle += self.frequency; } else if (self.movePattern === 1) { // Zig-zag movement if (Math.abs(self.x - self.baseX) > self.amplitude) { self.frequency = -self.frequency; } self.x += self.frequency * 5; } // Handle shooting if (self.canShoot) { self.shotTimer--; if (self.shotTimer <= 0) { self.shotTimer = self.shotDelay; return true; // Signal to create projectile } } return false; }; return self; }); var BossEnemy = Enemy.expand(function () { var self = Enemy.call(this); // Replace the graphic with boss graphic self.removeChildren(); var graphic = self.attachAsset('enemyBoss', { anchorX: 0.5, anchorY: 0.5 }); self.health = 10; self.points = 100; self.speed = 1; self.canShoot = true; self.shotDelay = 40; self.shotTimer = self.shotDelay; self.movePattern = 0; // Override the update method to add boss-specific behavior var parentUpdate = self.update; self.update = function () { // First few seconds, boss moves down slowly if (self.y < 300) { self.y += self.speed; return false; } // Then use parent update logic for movement and shooting return parentUpdate.call(self); }; return self; }); var EnemyProjectile = Container.expand(function () { var self = Container.call(this); var graphic = self.attachAsset('enemyProjectile', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 6; self.angle = 0; self.init = function (x, y, targetX, targetY) { self.x = x; self.y = y; // Calculate angle to target (usually the player) if (targetX !== undefined && targetY !== undefined) { var dx = targetX - x; var dy = targetY - y; self.angle = Math.atan2(dy, dx); } else { self.angle = Math.PI / 2; // Default: straight down } }; self.update = function () { self.x += Math.cos(self.angle) * self.speed; self.y += Math.sin(self.angle) * self.speed; }; return self; }); var Explosion = Container.expand(function () { var self = Container.call(this); var graphic = self.attachAsset('explosion', { anchorX: 0.5, anchorY: 0.5, alpha: 0.9 }); self.lifetime = 20; self.init = function (x, y, size) { self.x = x; self.y = y; if (size) { graphic.scale.set(size, size); } // Start with small scale and grow quickly graphic.scale.set(0.2, 0.2); tween(graphic.scale, { x: 1, y: 1 }, { duration: 300, easing: tween.easeOut }); // Fade out tween(graphic, { alpha: 0 }, { duration: 500, easing: tween.linear }); }; self.update = function () { self.lifetime--; return self.lifetime <= 0; }; return self; }); var Lightning = Container.expand(function () { var self = Container.call(this); var bolt = self.attachAsset('lightning', { anchorX: 0.5, anchorY: 1.0, alpha: 0.9 }); self.speed = -15; self.power = 1; self.chainLightningEnabled = false; // Branch lightning for power attacks self.createBranches = function (numBranches) { for (var i = 0; i < numBranches; i++) { var branch = self.attachAsset('lightningBranch', { anchorX: 0.5, anchorY: 1.0, alpha: 0.7, rotation: Math.random() * 0.5 - 0.25 + (i % 2 ? 0.3 : -0.3) }); branch.x = Math.random() * 20 - 10; branch.y = bolt.height * (0.3 + Math.random() * 0.4); } }; self.update = function () { self.y += self.speed; // Add flicker effect to lightning bolt.alpha = 0.7 + Math.random() * 0.3; // Add slight random movement for natural feel bolt.rotation = Math.random() * 0.1 - 0.05; }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); var graphic = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3; self.type = Math.floor(Math.random() * 3); // 0: chain lightning, 1: increased power, 2: rapid fire // Set different colors based on powerup type if (self.type === 0) { graphic.tint = 0x00ffff; // Cyan for chain lightning } else if (self.type === 1) { graphic.tint = 0xff00ff; // Purple for increased power } else { graphic.tint = 0xffff00; // Yellow for rapid fire } self.init = function (x, y) { self.x = x; self.y = y; }; self.update = function () { self.y += self.speed; // Pulsate effect var scale = 0.9 + 0.2 * Math.sin(LK.ticks * 0.1); graphic.scale.set(scale, scale); }; return self; }); var Wizard = Container.expand(function () { var self = Container.call(this); // Create wizard body var body = self.attachAsset('wizard', { anchorX: 0.5, anchorY: 0.5 }); // Create wizard hat var hat = self.attachAsset('wizardHat', { anchorX: 0.5, anchorY: 1.0, y: -body.height / 2 }); self.fireCooldown = 0; self.fireRate = 20; // Lower = faster firing self.powerLevel = 1; self.chainLightning = false; self.powerupTimer = 0; self.invulnerable = false; self.invulnerableTimer = 0; self.update = function () { if (self.fireCooldown > 0) { self.fireCooldown--; } if (self.powerupTimer > 0) { self.powerupTimer--; // Visual indicator for active powerup body.alpha = 0.7 + 0.3 * Math.sin(LK.ticks * 0.2); // Reset powerups when timer expires if (self.powerupTimer === 0) { self.powerLevel = 1; self.chainLightning = false; self.fireRate = 20; body.alpha = 1; } } if (self.invulnerable) { self.invulnerableTimer--; if (self.invulnerableTimer <= 0) { self.invulnerable = false; body.alpha = 1; hat.alpha = 1; } else { // Flicker effect for invulnerability body.alpha = hat.alpha = LK.ticks % 4 < 2 ? 0.3 : 0.8; } } }; self.fire = function () { if (self.fireCooldown <= 0) { self.fireCooldown = self.fireRate; return true; } return false; }; self.applyPowerup = function (type) { self.powerupTimer = 600; // 10 seconds at 60fps if (type === 0) { // Chain lightning self.chainLightning = true; } else if (type === 1) { // Increased power self.powerLevel += 1; } else if (type === 2) { // Rapid fire self.fireRate = Math.max(5, self.fireRate - 5); } }; self.hit = function () { if (!self.invulnerable) { self.invulnerable = true; self.invulnerableTimer = 120; // 2 seconds invulnerability return true; } return false; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000022 }); /**** * Game Code ****/ // Game state variables var wizard; var lightnings = []; var enemies = []; var explosions = []; var powerups = []; var enemyProjectiles = []; var lives = 3; var score = 0; var highScore = storage.highScore || 0; var level = 1; var enemiesDefeated = 0; var enemySpawnTimer = 0; var bossActive = false; var levelClearDelay = 0; var gameActive = true; var shakeIntensity = 0; // UI elements var scoreText; var livesText; var levelText; // Game initialization function initGame() { // Add background var background = LK.getAsset('background', { anchorX: 0.5, anchorY: 0.5 }); background.x = 2048 / 2; background.y = 2732 / 2; game.addChild(background); // Initialize wizard wizard = new Wizard(); wizard.fireRate = 30; // Set fireRate to 30 ticks, equivalent to 0.5 seconds at 60 FPS wizard.x = 2048 / 2; wizard.y = 2732 - 200; game.addChild(wizard); // Setup UI scoreText = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreText.anchor.set(0, 0); LK.gui.topRight.addChild(scoreText); livesText = new Text2('Lives: ' + lives, { size: 80, fill: 0xFFFFFF }); livesText.anchor.set(0, 0); LK.gui.top.addChild(livesText); levelText = new Text2('Level: ' + level, { size: 80, fill: 0xFFFFFF }); levelText.anchor.set(1, 0); LK.gui.topLeft.addChild(levelText); levelText.x = 200; // Move away from top-left corner // Start initial enemy spawn enemySpawnTimer = 60; // Start game music LK.playMusic('gameMusic', { fade: { start: 0, end: 0.7, duration: 1000 } }); } function updateScore(points) { score += points; scoreText.setText('Score: ' + score); // Update high score if needed if (score > highScore) { highScore = score; storage.highScore = highScore; } } function spawnEnemy() { // Determine if we should spawn a boss if (enemiesDefeated >= 20 * level && !bossActive) { var boss = new BossEnemy(); boss.init(2048 / 2, -100); enemies.push(boss); game.addChild(boss); bossActive = true; // Screen shake effect for boss entrance shakeIntensity = 10; return; } // Regular enemy spawn var enemy = new Enemy(); var x = 100 + Math.random() * (2048 - 200); var y = -100; enemy.init(x, y); enemies.push(enemy); game.addChild(enemy); } function nextLevel() { level++; levelText.setText('Level: ' + level); // Reset level variables enemiesDefeated = 0; bossActive = false; // Increase difficulty Enemy.prototype.speed += 0.3; // Visual effect for level transition LK.effects.flashScreen(0x0000ff, 500); } function createLightning(x, y) { var lightning = new Lightning(); lightning.x = x; lightning.y = y; lightning.power = wizard.powerLevel; lightning.chainLightningEnabled = wizard.chainLightning; // Add branches for higher power levels if (wizard.powerLevel > 1) { lightning.createBranches(wizard.powerLevel - 1); } lightnings.push(lightning); game.addChild(lightning); // Play lightning sound LK.getSound('lightning').play(); } function createExplosion(x, y, size) { var explosion = new Explosion(); explosion.init(x, y, size); explosions.push(explosion); game.addChild(explosion); // Play explosion sound LK.getSound('explosion').play(); } // Initialize the game initGame(); // Touch/mouse handlers var dragging = false; var lastX = null; game.down = function (x, y) { dragging = true; lastX = x; }; game.move = function (x, y) { if (dragging) { var deltaX = x - lastX; wizard.x += deltaX; // Keep wizard within bounds wizard.x = Math.max(50, Math.min(2048 - 50, wizard.x)); lastX = x; } }; game.up = function () { dragging = false; lastX = null; }; // Main game update game.update = function () { if (!gameActive) { return; } // Screen shake effect if (shakeIntensity > 0) { game.x = (Math.random() * 2 - 1) * shakeIntensity; game.y = (Math.random() * 2 - 1) * shakeIntensity; shakeIntensity *= 0.9; if (shakeIntensity < 0.5) { shakeIntensity = 0; game.x = 0; game.y = 0; } } // Update wizard wizard.update(); // Auto-fire if (wizard.fire()) { createLightning(wizard.x, wizard.y - 50); } // Level transition if (levelClearDelay > 0) { levelClearDelay--; if (levelClearDelay === 0) { nextLevel(); } return; // Pause other updates during level transition } // Enemy spawn logic if (enemySpawnTimer > 0) { enemySpawnTimer--; } else { spawnEnemy(); // Adjust spawn rate based on level enemySpawnTimer = bossActive ? 120 : Math.max(20, 60 - level * 5); } // Update lightnings for (var i = lightnings.length - 1; i >= 0; i--) { var lightning = lightnings[i]; lightning.update(); // Remove lightning if off screen if (lightning.y < -100) { lightning.destroy(); lightnings.splice(i, 1); continue; } // Check for hits with enemies var hitEnemy = false; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (lightning.intersects(enemy)) { hitEnemy = true; // Enemy takes damage if (enemy.hit(lightning.power)) { // Enemy defeated createExplosion(enemy.x, enemy.y, enemy instanceof BossEnemy ? 2 : 1); updateScore(enemy.points); enemiesDefeated++; // Check if boss was defeated if (enemy instanceof BossEnemy) { bossActive = false; levelClearDelay = 120; // 2 second delay before next level LK.effects.flashScreen(0xffffff, 300); } // Chance to drop power-up if (Math.random() < 0.2) { var powerup = new PowerUp(); powerup.init(enemy.x, enemy.y); powerups.push(powerup); game.addChild(powerup); } enemy.destroy(); enemies.splice(j, 1); } else { // Enemy hit but not defeated LK.getSound('enemyHit').play(); } // Remove lightning unless it has chain lightning if (!lightning.chainLightningEnabled) { lightning.destroy(); lightnings.splice(i, 1); continue; // Use continue to check other enemies } } } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; var shouldShoot = enemy.update(); // Check if enemy has moved off screen if (enemy.y > 2732 + 100) { enemy.destroy(); enemies.splice(i, 1); continue; } // Enemy shoots projectile if (shouldShoot) { var projectile = new EnemyProjectile(); projectile.init(enemy.x, enemy.y, wizard.x, wizard.y); enemyProjectiles.push(projectile); game.addChild(projectile); } } // Update enemy projectiles for (var i = enemyProjectiles.length - 1; i >= 0; i--) { var projectile = enemyProjectiles[i]; projectile.update(); // Check if projectile is off screen if (projectile.y > 2732 + 20 || projectile.y < -20 || projectile.x > 2048 + 20 || projectile.x < -20) { projectile.destroy(); enemyProjectiles.splice(i, 1); continue; } // Check for collision with wizard if (projectile.intersects(wizard)) { if (wizard.hit()) { // Player was hit LK.getSound('playerHit').play(); lives--; livesText.setText('Lives: ' + lives); // Create explosion effect createExplosion(projectile.x, projectile.y, 0.5); // Screen shake shakeIntensity = 5; // Check for game over if (lives <= 0) { gameActive = false; LK.effects.flashScreen(0xff0000, 1000); LK.setTimeout(function () { LK.showGameOver(); }, 1500); } } // Remove projectile projectile.destroy(); enemyProjectiles.splice(i, 1); } } // Update powerups for (var i = powerups.length - 1; i >= 0; i--) { var powerup = powerups[i]; powerup.update(); // Check if powerup is off screen if (powerup.y > 2732 + 30) { powerup.destroy(); powerups.splice(i, 1); continue; } // Check for collision with wizard if (powerup.intersects(wizard)) { // Apply powerup effect wizard.applyPowerup(powerup.type); // Play sound LK.getSound('powerupCollect').play(); // Visual feedback LK.effects.flashObject(wizard, 0x00ffff, 500); // Remove powerup powerup.destroy(); powerups.splice(i, 1); } } // Update explosions for (var i = explosions.length - 1; i >= 0; i--) { if (explosions[i].update()) { explosions[i].destroy(); explosions.splice(i, 1); } } };