/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bomb = Container.expand(function () { var self = Container.call(this); var bombGraphics = self.attachAsset('bomb', { anchorX: 0.5, anchorY: 0.5 }); bombGraphics.tint = 0xFF4500; // Orange tint for bombs self.speed = 6; self.dirX = 0; self.dirY = 1; self.update = function () { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; }; self.explode = function () { // Create explosion effect tween(self, { scaleX: 3, scaleY: 3, alpha: 0 }, { duration: 300, onFinish: function onFinish() { self.destroy(); } }); LK.effects.flashScreen(0xFF4500, 300); LK.getSound('explosion').play(); }; return self; }); var Enemy = Container.expand(function (enemyType) { var self = Container.call(this); self.enemyType = enemyType || 1; var assetName = self.enemyType === 1 ? 'enemy1' : self.enemyType === 2 ? 'enemy2' : 'enemy3'; var enemyGraphics = self.attachAsset(assetName, { anchorX: 0.5, anchorY: 0.5 }); self.speed = self.enemyType === 1 ? 4 : self.enemyType === 2 ? 8 : 2; self.moveSpeed = self.enemyType === 1 ? 1.5 : self.enemyType === 2 ? 3 : 1; self.direction = 1; self.points = self.enemyType === 1 ? 10 : self.enemyType === 2 ? 20 : 100; self.maxHealth = self.enemyType === 1 ? 3 : self.enemyType === 2 ? 5 : 50; self.health = self.maxHealth; self.shootTimer = Math.random() * 120 + 60; self.diving = false; self.diveSpeed = 0; self.zigzagTimer = 0; self.zigzagDirection = 1; self.shootsBeforeDive = 0; self.maxShootsBeforeDive = 2 + Math.floor(Math.random() * 3); self.hasReachedMiddle = false; self.bombTimer = self.enemyType === 3 ? Math.random() * 180 + 120 : 0; self.omnishootTimer = self.enemyType === 3 ? Math.random() * 240 + 180 : 0; self.takeDamage = function () { self.health--; // Flash red damage effect tween.stop(enemyGraphics, { tint: true }); enemyGraphics.tint = 0xff0000; tween(enemyGraphics, { tint: 0xffffff }, { duration: 200 }); return self.health <= 0; }; self.update = function () { if (self.diving) { self.y += self.diveSpeed; self.diveSpeed += 0.4; } else { // Move down until reaching middle of screen if (!self.hasReachedMiddle) { self.y += self.speed; if (self.y >= 2732 / 3) { self.hasReachedMiddle = true; } } else { // Zigzag movement once in middle self.zigzagTimer++; if (self.zigzagTimer > 120) { self.zigzagDirection *= -1; self.zigzagTimer = 0; } self.x += self.zigzagDirection * self.moveSpeed; self.y += self.speed * 0.2; } } self.shootTimer--; if (self.shootTimer <= 0 && !self.diving && self.hasReachedMiddle) { self.shootTimer = Math.random() * 100 + 80; if (self.enemyType === 3) { // Boss enemy shoots bullets in all directions for (var angle = 0; angle < 360; angle += 45) { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y; var rad = angle * Math.PI / 180; bullet.dirX = Math.cos(rad); bullet.dirY = Math.sin(rad); bullet.speed = 12; enemyBullets.push(bullet); game.addChild(bullet); } } else if (self.enemyType === 2) { // Enemy type 2 shoots 5 bullets in a spread pattern for (var i = 0; i < 5; i++) { var bullet = new EnemyBullet(); bullet.x = self.x + (i - 2) * 30; // Spread bullets horizontally bullet.y = self.y + 40; bullet.speed = 16; // Double speed for type 2 bullets enemyBullets.push(bullet); game.addChild(bullet); } } else { // Enemy type 1 shoots single bullet var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y + 40; enemyBullets.push(bullet); game.addChild(bullet); } self.shootsBeforeDive++; } // Boss bomb shooting if (self.enemyType === 3) { self.bombTimer--; if (self.bombTimer <= 0) { self.bombTimer = Math.random() * 300 + 200; var bomb = new Bomb(); bomb.x = self.x; bomb.y = self.y + 50; bomb.dirX = (player.x - self.x) / 300; // Aim towards player bomb.dirY = Math.abs(bomb.dirX) + 0.5; bombs.push(bomb); game.addChild(bomb); } } if (self.shootsBeforeDive >= self.maxShootsBeforeDive && Math.random() < 0.003 && !self.diving && self.hasReachedMiddle) { self.diving = true; self.diveSpeed = 2; } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.dirX = 0; self.dirY = 1; self.update = function () { if (self.dirX !== 0 || self.dirY !== 1) { // Directional movement for boss bullets self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; } else { // Default downward movement self.y += self.speed; } }; return self; }); var HealthOrb = Container.expand(function () { var self = Container.call(this); var orbGraphics = self.attachAsset('healthOrb', { anchorX: 0.5, anchorY: 0.5 }); orbGraphics.tint = 0x00ff00; // Green tint for health self.update = function () { // Pulse effect self.rotation += 0.05; var scale = 1 + Math.sin(LK.ticks * 0.15) * 0.3; self.scaleX = scale; self.scaleY = scale; }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('playerShip', { anchorX: 0.5, anchorY: 0.5 }); self.shootCooldown = 0; self.lives = 3; self.maxHealth = 100; self.health = self.maxHealth; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } }; self.shoot = function () { if (self.shootCooldown <= 0) { if (tripleShot) { // Triple shot var bullet1 = new PlayerBullet(); bullet1.x = self.x - 30; bullet1.y = self.y - 50; playerBullets.push(bullet1); game.addChild(bullet1); var bullet2 = new PlayerBullet(); bullet2.x = self.x; bullet2.y = self.y - 50; playerBullets.push(bullet2); game.addChild(bullet2); var bullet3 = new PlayerBullet(); bullet3.x = self.x + 30; bullet3.y = self.y - 50; playerBullets.push(bullet3); game.addChild(bullet3); } else { // Single shot var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y - 50; playerBullets.push(bullet); game.addChild(bullet); } LK.getSound('shoot').play(); self.shootCooldown = 10; } }; return self; }); var PlayerBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('playerBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -18; self.update = function () { self.y += self.speed; }; return self; }); var PowerOrb = Container.expand(function () { var self = Container.call(this); var orbGraphics = self.attachAsset('powerOrb', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { // Pulse effect self.rotation += 0.1; var scale = 1 + Math.sin(LK.ticks * 0.1) * 0.2; self.scaleX = scale; self.scaleY = scale; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000033 }); /**** * Game Code ****/ var player = game.addChild(new Player()); player.x = 2048 / 2; player.y = 2732 - 150; var playerBullets = []; var enemyBullets = []; var enemies = []; var wave = 1; var enemiesPerWave = 8; var waveSpawnTimer = 0; var enemiesSpawned = 0; var gameStarted = false; var scoreTxt = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); scoreTxt.x = 150; scoreTxt.y = 50; LK.gui.addChild(scoreTxt); var waveTxt = new Text2('Wave: 1', { size: 60, fill: 0xFFFFFF }); waveTxt.anchor.set(1, 0); waveTxt.x = -150; waveTxt.y = 50; LK.gui.topRight.addChild(waveTxt); var healthTxt = new Text2('Health: 100', { size: 60, fill: 0x00ff00 }); healthTxt.anchor.set(0.5, 0); healthTxt.x = 0; healthTxt.y = 50; LK.gui.top.addChild(healthTxt); var dragTarget = null; var powerOrb = null; var tripleShot = false; var tripleShotTimer = 0; var orbSpawned = false; var healthOrbs = []; var lastHealthBelowFifty = false; var bombs = []; var bossActive = false; function spawnEnemyWave() { // Check if boss should spawn (every 5th wave) if (wave % 5 === 0 && !bossActive && enemies.length === 0) { var boss = new Enemy(3); boss.x = 2048 / 2; boss.y = -200; enemies.push(boss); game.addChild(boss); bossActive = true; enemiesSpawned = enemiesPerWave; // Prevent other spawns return; } // Don't spawn regular enemies if boss is active if (bossActive) { return; } if (enemiesSpawned < enemiesPerWave) { if (waveSpawnTimer <= 0) { var enemyType = Math.random() < 0.7 ? 1 : 2; var enemy = new Enemy(enemyType); enemy.x = 200 + enemiesSpawned * 200; enemy.y = -100; enemies.push(enemy); game.addChild(enemy); enemiesSpawned++; waveSpawnTimer = 30; } else { waveSpawnTimer--; } } } function checkCollisions() { // Player bullets vs enemies for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { LK.getSound('enemyHit').play(); bullet.destroy(); playerBullets.splice(i, 1); var enemyDestroyed = enemy.takeDamage(); if (enemyDestroyed) { LK.setScore(LK.getScore() + enemy.points); scoreTxt.setText('Score: ' + LK.getScore()); enemy.destroy(); enemies.splice(j, 1); } break; } } } // Enemy bullets vs player for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.intersects(player)) { player.health -= 20; healthTxt.setText('Health: ' + player.health); if (player.health <= 0) { healthTxt.tint = 0xff0000; } else if (player.health <= 30) { healthTxt.tint = 0xff6600; } else { healthTxt.tint = 0x00ff00; } LK.effects.flashScreen(0xff0000, 500); bullet.destroy(); enemyBullets.splice(i, 1); LK.getSound('explosion').play(); if (player.health <= 0) { LK.showGameOver(); return; } } } // Enemies vs player for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.intersects(player)) { player.health -= 30; healthTxt.setText('Health: ' + player.health); if (player.health <= 0) { healthTxt.tint = 0xff0000; } else if (player.health <= 30) { healthTxt.tint = 0xff6600; } else { healthTxt.tint = 0x00ff00; } LK.effects.flashScreen(0xff0000, 500); enemy.destroy(); enemies.splice(i, 1); LK.getSound('explosion').play(); if (player.health <= 0) { LK.showGameOver(); return; } } } // Player bullets vs bombs for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; for (var b = bombs.length - 1; b >= 0; b--) { var bomb = bombs[b]; if (bullet.intersects(bomb)) { bullet.destroy(); playerBullets.splice(i, 1); bomb.explode(); bombs.splice(b, 1); break; } } } // Bombs vs player for (var b = bombs.length - 1; b >= 0; b--) { var bomb = bombs[b]; if (bomb.intersects(player)) { player.health -= 40; healthTxt.setText('Health: ' + player.health); if (player.health <= 0) { healthTxt.tint = 0xff0000; } else if (player.health <= 30) { healthTxt.tint = 0xff6600; } else { healthTxt.tint = 0x00ff00; } bomb.explode(); bombs.splice(b, 1); if (player.health <= 0) { LK.showGameOver(); return; } } } } function updateBullets() { // Clean up player bullets for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.y < -50) { bullet.destroy(); playerBullets.splice(i, 1); } } // Clean up enemy bullets and award dodge points for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.y > 2732 + 50) { // Award points for dodging bullet LK.setScore(LK.getScore() + 5); scoreTxt.setText('Score: ' + LK.getScore()); bullet.destroy(); enemyBullets.splice(i, 1); } } // Check power orb collision if (powerOrb) { for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.intersects(powerOrb)) { // Activate triple shot tripleShot = true; tripleShotTimer = 600; // 10 seconds at 60fps // Remove orb and bullet powerOrb.destroy(); powerOrb = null; bullet.destroy(); playerBullets.splice(i, 1); // Flash screen blue LK.effects.flashScreen(0x00ffff, 500); break; } } } // Check health orb collisions for (var h = healthOrbs.length - 1; h >= 0; h--) { var healthOrb = healthOrbs[h]; for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.intersects(healthOrb)) { // Restore health player.health = Math.min(player.maxHealth, player.health + 25); healthTxt.setText('Health: ' + player.health); if (player.health <= 30) { healthTxt.tint = 0xff6600; } else { healthTxt.tint = 0x00ff00; } // Remove orb and bullet healthOrb.destroy(); healthOrbs.splice(h, 1); bullet.destroy(); playerBullets.splice(i, 1); // Flash screen green LK.effects.flashScreen(0x00ff00, 500); break; } } } // Clean up bombs that go off screen for (var b = bombs.length - 1; b >= 0; b--) { var bomb = bombs[b]; if (bomb.y > 2732 + 100 || bomb.y < -100 || bomb.x < -100 || bomb.x > 2148) { bomb.destroy(); bombs.splice(b, 1); } } } function updateEnemies() { // Clean up enemies that went off screen for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.y > 2732 + 100) { enemy.destroy(); enemies.splice(i, 1); } // Reverse direction if hitting screen edges if (enemy.x <= 50 || enemy.x >= 1998) { enemy.direction *= -1; } } } function checkWaveComplete() { if (enemies.length === 0 && enemiesSpawned >= enemiesPerWave) { if (bossActive) { bossActive = false; // Extra bonus for defeating boss LK.setScore(LK.getScore() + 500); scoreTxt.setText('Score: ' + LK.getScore()); } wave++; enemiesPerWave += 2; enemiesSpawned = 0; waveSpawnTimer = 0; waveTxt.setText('Wave: ' + wave); // Bonus points for completing wave LK.setScore(LK.getScore() + wave * 50); scoreTxt.setText('Score: ' + LK.getScore()); } } game.down = function (x, y, obj) { dragTarget = player; player.x = x; player.y = Math.max(100, Math.min(2632, y)); player.shoot(); }; game.move = function (x, y, obj) { if (dragTarget) { dragTarget.x = Math.max(40, Math.min(2008, x)); dragTarget.y = Math.max(100, Math.min(2632, y)); } }; game.up = function (x, y, obj) { dragTarget = null; }; game.update = function () { if (!gameStarted) { gameStarted = true; } spawnEnemyWave(); updateBullets(); updateEnemies(); checkCollisions(); checkWaveComplete(); // Spawn power orb when score reaches 100 if (LK.getScore() >= 100 && !powerOrb && !orbSpawned) { powerOrb = new PowerOrb(); powerOrb.x = 2048 / 2; powerOrb.y = 2732 / 2; game.addChild(powerOrb); orbSpawned = true; } // Spawn health orbs when health drops below 50 var currentHealthBelowFifty = player.health < 50; if (!lastHealthBelowFifty && currentHealthBelowFifty && healthOrbs.length === 0) { // Spawn 2-3 health orbs var numOrbs = 2 + Math.floor(Math.random() * 2); for (var o = 0; o < numOrbs; o++) { var healthOrb = new HealthOrb(); healthOrb.x = 300 + o * 400 + Math.random() * 200; healthOrb.y = 500 + Math.random() * 1000; healthOrbs.push(healthOrb); game.addChild(healthOrb); } } lastHealthBelowFifty = currentHealthBelowFifty; // Clean up health orbs that go off screen for (var h = healthOrbs.length - 1; h >= 0; h--) { var healthOrb = healthOrbs[h]; if (healthOrb.y > 2732 + 100 || healthOrb.y < -100 || healthOrb.x < -100 || healthOrb.x > 2148) { healthOrb.destroy(); healthOrbs.splice(h, 1); } } // Manage triple shot timer if (tripleShot) { tripleShotTimer--; if (tripleShotTimer <= 0) { tripleShot = false; } } // Auto-shoot for continuous fire if (LK.ticks % 8 === 0) { player.shoot(); } };