/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy1', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3; self.health = 1; self.shootTimer = 0; self.shootDelay = Math.random() * 120 + 60; self.update = function () { self.y += self.speed; self.shootTimer++; if (self.shootTimer >= self.shootDelay) { self.shootTimer = 0; self.shootDelay = Math.random() * 120 + 60; var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y + 30; bullet.lastY = bullet.y; enemyBullets.push(bullet); game.addChild(bullet); } }; 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.update = function () { self.y += self.speed; }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('playerShip', { anchorX: 0.5, anchorY: 0.5 }); self.fireRate = 15; self.fireTimer = 0; self.rapidFire = false; self.rapidFireTimer = 0; self.multiBullet = false; self.multiBulletTimer = 0; self.update = function () { self.fireTimer++; var currentFireRate = self.rapidFire ? 5 : self.fireRate; if (self.fireTimer >= currentFireRate) { self.fireTimer = 0; if (self.multiBullet) { // Fire 3 bullets in spread pattern var bullet1 = new PlayerBullet(); bullet1.x = self.x - 30; bullet1.y = self.y - 50; bullet1.lastY = bullet1.y; playerBullets.push(bullet1); game.addChild(bullet1); var bullet2 = new PlayerBullet(); bullet2.x = self.x; bullet2.y = self.y - 50; bullet2.lastY = bullet2.y; playerBullets.push(bullet2); game.addChild(bullet2); var bullet3 = new PlayerBullet(); bullet3.x = self.x + 30; bullet3.y = self.y - 50; bullet3.lastY = bullet3.y; playerBullets.push(bullet3); game.addChild(bullet3); } else { // Fire single bullet var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y - 50; bullet.lastY = bullet.y; playerBullets.push(bullet); game.addChild(bullet); } LK.getSound('shoot').play(); } if (self.rapidFire) { self.rapidFireTimer--; if (self.rapidFireTimer <= 0) { self.rapidFire = false; } } if (self.multiBullet) { self.multiBulletTimer--; if (self.multiBulletTimer <= 0) { self.multiBullet = false; } } }; self.activateRapidFire = function () { self.rapidFire = true; self.rapidFireTimer = 300; }; self.activateMultiBullet = function () { self.multiBullet = true; self.multiBulletTimer = 300; }; 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 = -12; self.update = function () { self.y += self.speed; }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); var powerupGraphics = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 2; // Randomly choose between rapidFire and multiBullet self.type = Math.random() < 0.5 ? 'rapidFire' : 'multiBullet'; // Set different colors based on type if (self.type === 'rapidFire') { powerupGraphics.tint = 0x00ffff; // Cyan for rapid fire } else { powerupGraphics.tint = 0xff00ff; // Magenta for multi-bullet } self.update = function () { self.y += self.speed; self.rotation += 0.1; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000011 }); /**** * Game Code ****/ var player; var playerBullets = []; var enemies = []; var enemyBullets = []; var powerups = []; var waveTimer = 0; var difficultyLevel = 1; var enemySpawnRate = 180; var lives = 3; var scoreTxt = new Text2('0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var levelTxt = new Text2('Wave 1', { size: 40, fill: 0x00FF00 }); levelTxt.anchor.set(0, 0); levelTxt.x = 20; levelTxt.y = 20; LK.gui.topLeft.addChild(levelTxt); var livesTxt = new Text2('Lives: 3', { size: 40, fill: 0xFFFFFF }); livesTxt.anchor.set(1, 0); LK.gui.topRight.addChild(livesTxt); player = game.addChild(new Player()); player.x = 1024; player.y = 2500; var dragNode = null; function handleMove(x, y, obj) { if (dragNode) { dragNode.x = Math.max(40, Math.min(2008, x)); dragNode.y = Math.max(100, Math.min(2632, y)); } } game.move = handleMove; game.down = function (x, y, obj) { dragNode = player; handleMove(x, y, obj); }; game.up = function (x, y, obj) { dragNode = null; }; function spawnEnemy() { var enemy = new Enemy(); enemy.x = Math.random() * 1800 + 124; enemy.y = -30; enemy.lastY = enemy.y; enemy.lastIntersecting = false; enemies.push(enemy); game.addChild(enemy); } function spawnPowerUp(x, y) { if (Math.random() < 0.3) { var powerup = new PowerUp(); powerup.x = x; powerup.y = y; powerup.lastY = powerup.y; powerup.lastIntersecting = false; powerups.push(powerup); game.addChild(powerup); } } game.update = function () { waveTimer++; if (waveTimer % 1800 === 0) { difficultyLevel++; enemySpawnRate = Math.max(60, enemySpawnRate - 20); levelTxt.setText('Wave ' + difficultyLevel); LK.effects.flashScreen(0x0000ff, 500); // Check win condition after 3 waves if (difficultyLevel > 3) { LK.showYouWin(); return; } } if (waveTimer % enemySpawnRate === 0) { spawnEnemy(); } for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.lastY === undefined) bullet.lastY = bullet.y; if (bullet.lastY >= -10 && bullet.y < -10) { bullet.destroy(); playerBullets.splice(i, 1); continue; } for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { enemy.health--; if (enemy.health <= 0) { LK.setScore(LK.getScore() + 100); scoreTxt.setText(LK.getScore()); LK.getSound('enemyHit').play(); spawnPowerUp(enemy.x, enemy.y); enemy.destroy(); enemies.splice(j, 1); } bullet.destroy(); playerBullets.splice(i, 1); break; } } bullet.lastY = bullet.y; } for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.lastY === undefined) bullet.lastY = bullet.y; if (bullet.lastY <= 2742 && bullet.y > 2742) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } if (bullet.intersects(player)) { lives--; livesTxt.setText('Lives: ' + lives); LK.effects.flashScreen(0xff0000, 1000); LK.getSound('playerHit').play(); bullet.destroy(); enemyBullets.splice(i, 1); if (lives <= 0) { LK.showGameOver(); return; } } bullet.lastY = bullet.y; } for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.lastY === undefined) enemy.lastY = enemy.y; if (enemy.lastY <= 2742 && enemy.y > 2742) { enemy.destroy(); enemies.splice(i, 1); continue; } if (enemy.intersects(player)) { lives--; livesTxt.setText('Lives: ' + lives); LK.effects.flashScreen(0xff0000, 1000); LK.getSound('playerHit').play(); enemy.destroy(); enemies.splice(i, 1); if (lives <= 0) { LK.showGameOver(); return; } } enemy.lastY = enemy.y; } for (var i = powerups.length - 1; i >= 0; i--) { var powerup = powerups[i]; if (powerup.lastY === undefined) powerup.lastY = powerup.y; if (powerup.lastIntersecting === undefined) powerup.lastIntersecting = false; if (powerup.lastY <= 2742 && powerup.y > 2742) { powerup.destroy(); powerups.splice(i, 1); continue; } var currentIntersecting = powerup.intersects(player); if (!powerup.lastIntersecting && currentIntersecting) { if (powerup.type === 'rapidFire') { player.activateRapidFire(); LK.effects.flashObject(player, 0x00ffff, 500); } else if (powerup.type === 'multiBullet') { player.activateMultiBullet(); LK.effects.flashObject(player, 0xff00ff, 500); } LK.getSound('powerupCollect').play(); powerup.destroy(); powerups.splice(i, 1); continue; } powerup.lastY = powerup.y; powerup.lastIntersecting = currentIntersecting; } };