/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Boss = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('boss', { anchorX: 0.5, anchorY: 0.5 }); self.health = 5; self.speed = 2; self.moveDirection = 1; self.update = function () { self.x += self.speed * self.moveDirection; if (self.x <= 60 || self.x >= 2048 - 60) { self.moveDirection *= -1; } }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3; self.update = function () { self.y += self.speed; }; return self; }); var Enemy2 = Container.expand(function () { var self = Container.call(this); var enemy2Graphics = self.attachAsset('enemy2', { anchorX: 0.5, anchorY: 0.5 }); self.health = 2; self.speed = 2; self.sideSpeed = 1.5; self.moveDirection = 1; self.update = function () { self.y += self.speed; self.x += self.sideSpeed * self.moveDirection; if (self.x <= 60 || self.x >= 2048 - 60) { self.moveDirection *= -1; } }; return self; }); var Fireball = Container.expand(function () { var self = Container.call(this); var fireballGraphics = self.attachAsset('fireball', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -15; self.update = function () { self.y += self.speed; }; return self; }); var Star = Container.expand(function () { var self = Container.call(this); var starGraphics = self.attachAsset('star', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 1; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.y = -10; self.x = Math.random() * 2048; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000011 }); /**** * Game Code ****/ var player; var fireballs = []; var enemies = []; var enemies2 = []; var stars = []; var boss = null; var lives = 3; var enemiesDefeated = 0; var gameStarted = true; var bossSpawned = false; var dragNode = null; var livesText = new Text2('Lives: 3', { size: 80, fill: 0xFFFFFF }); livesText.anchor.set(1, 0); livesText.x = -20; livesText.y = 20; LK.gui.topRight.addChild(livesText); var scoreText = new Text2('Enemies: 0/50', { size: 80, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); function createPlayer() { player = game.addChild(new Container()); var playerGraphics = player.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); player.x = 2048 / 2; player.y = 2732 - 120; } function createStarfield() { for (var i = 0; i < 50; i++) { var star = game.addChild(new Star()); star.x = Math.random() * 2048; star.y = Math.random() * 2732; stars.push(star); } } function spawnEnemy() { if (!bossSpawned && enemiesDefeated < 49) { var enemyType = Math.random() > 0.6 ? 2 : 1; if (enemyType === 2) { var enemy2 = game.addChild(new Enemy2()); enemy2.x = Math.random() * (2048 - 100) + 50; enemy2.y = -60; enemy2.lastY = enemy2.y; enemy2.lastIntersecting = false; enemies2.push(enemy2); } else { var enemy = game.addChild(new Enemy()); enemy.x = Math.random() * (2048 - 100) + 50; enemy.y = -60; enemy.lastY = enemy.y; enemy.lastIntersecting = false; enemies.push(enemy); } } } function spawnBoss() { if (!bossSpawned && enemiesDefeated >= 45) { boss = game.addChild(new Boss()); boss.x = 2048 / 2; boss.y = 200; boss.lastIntersecting = false; bossSpawned = true; LK.playMusic('bossMusic', { loop: true }); } } function fireFireball() { var fireball = game.addChild(new Fireball()); fireball.x = player.x; fireball.y = player.y - 50; fireball.lastY = fireball.y; fireballs.push(fireball); LK.getSound('shoot').play(); } createPlayer(); createStarfield(); LK.playMusic('spaceMusic', { loop: true }); var spawnTimer = LK.setInterval(function () { spawnEnemy(); }, 800); var fireTimer = LK.setInterval(function () { if (gameStarted) { fireFireball(); } }, 400); game.move = function (x, y, obj) { if (gameStarted) { player.x = x; player.y = y; } }; game.down = function (x, y, obj) { dragNode = player; if (gameStarted) { player.x = x; player.y = y; } }; game.up = function (x, y, obj) { dragNode = null; }; game.update = function () { for (var s = stars.length - 1; s >= 0; s--) { stars[s].update(); } for (var f = fireballs.length - 1; f >= 0; f--) { var fireball = fireballs[f]; fireball.update(); if (fireball.lastY === undefined) { fireball.lastY = fireball.y; } if (fireball.lastY >= -50 && fireball.y < -50) { fireball.destroy(); fireballs.splice(f, 1); continue; } for (var e = enemies.length - 1; e >= 0; e--) { var enemy = enemies[e]; if (fireball.intersects(enemy)) { LK.getSound('explosion').play(); fireball.destroy(); fireballs.splice(f, 1); enemy.destroy(); enemies.splice(e, 1); enemiesDefeated++; scoreText.setText('Enemies: ' + enemiesDefeated + '/50'); break; } } for (var e2 = enemies2.length - 1; e2 >= 0; e2--) { var enemy2 = enemies2[e2]; if (fireball.intersects(enemy2)) { LK.getSound('explosion').play(); fireball.destroy(); fireballs.splice(f, 1); enemy2.health--; if (enemy2.health <= 0) { enemy2.destroy(); enemies2.splice(e2, 1); enemiesDefeated++; scoreText.setText('Enemies: ' + enemiesDefeated + '/50'); } break; } } if (boss && fireball.intersects(boss)) { LK.getSound('explosion').play(); fireball.destroy(); fireballs.splice(f, 1); boss.health--; if (boss.health <= 0) { boss.destroy(); LK.effects.flashScreen(0x00ff00, 1000); LK.showYouWin(); } break; } fireball.lastY = fireball.y; } for (var e = enemies.length - 1; e >= 0; e--) { var enemy = enemies[e]; enemy.update(); if (enemy.lastY === undefined) { enemy.lastY = enemy.y; } if (enemy.lastY >= -50 && enemy.y < -50) { enemy.destroy(); enemies.splice(e, 1); continue; } if (enemy.y > 2732) { enemy.destroy(); enemies.splice(e, 1); continue; } var currentIntersecting = enemy.intersects(player); if (!enemy.lastIntersecting && currentIntersecting) { LK.getSound('hit').play(); LK.effects.flashScreen(0xff0000, 500); lives--; livesText.setText('Lives: ' + lives); enemy.destroy(); enemies.splice(e, 1); if (lives <= 0) { gameStarted = false; LK.clearInterval(spawnTimer); LK.clearInterval(fireTimer); LK.effects.flashScreen(0xff0000, 1000); LK.stopMusic(); LK.playMusic('gameOverMusic', { loop: false }); LK.showGameOver(); } continue; } enemy.lastIntersecting = currentIntersecting; enemy.lastY = enemy.y; } for (var e2 = enemies2.length - 1; e2 >= 0; e2--) { var enemy2 = enemies2[e2]; enemy2.update(); if (enemy2.lastY === undefined) { enemy2.lastY = enemy2.y; } if (enemy2.lastY >= -50 && enemy2.y < -50) { enemy2.destroy(); enemies2.splice(e2, 1); continue; } if (enemy2.y > 2732) { enemy2.destroy(); enemies2.splice(e2, 1); continue; } var currentIntersecting2 = enemy2.intersects(player); if (!enemy2.lastIntersecting && currentIntersecting2) { LK.getSound('hit').play(); LK.effects.flashScreen(0xff0000, 500); lives--; livesText.setText('Lives: ' + lives); enemy2.destroy(); enemies2.splice(e2, 1); if (lives <= 0) { gameStarted = false; LK.clearInterval(spawnTimer); LK.clearInterval(fireTimer); LK.effects.flashScreen(0xff0000, 1000); LK.stopMusic(); LK.playMusic('gameOverMusic', { loop: false }); LK.showGameOver(); } continue; } enemy2.lastIntersecting = currentIntersecting2; enemy2.lastY = enemy2.y; } if (boss) { boss.update(); if (boss.lastIntersecting === undefined) { boss.lastIntersecting = false; } var currentBossIntersecting = boss.intersects(player); if (!boss.lastIntersecting && currentBossIntersecting) { LK.getSound('hit').play(); LK.effects.flashScreen(0xff0000, 500); lives--; livesText.setText('Lives: ' + lives); if (lives <= 0) { gameStarted = false; LK.clearInterval(spawnTimer); LK.clearInterval(fireTimer); LK.effects.flashScreen(0xff0000, 1000); LK.stopMusic(); LK.playMusic('gameOverMusic', { loop: false }); LK.showGameOver(); } } boss.lastIntersecting = currentBossIntersecting; } if (enemiesDefeated >= 49 && !bossSpawned) { spawnBoss(); } };