var Hero = Container.expand(function () { var self = Container.call(this); var heroGraphics = self.createAsset('hero', 'Hero character', .5, .5); self.speed = 20; self.jump = function () {}; self.shoot = function () {}; self.moveLeft = function () { self.x -= self.speed; }; self.moveRight = function () { self.x += self.speed; }; self.healthBar = self.createAsset('highQualityHealthBar', 'High Quality Health Bar', 0, 0); self.healthBar.width = 200; self.healthBar.height = 20; self.healthBar.x = 0; self.healthBar.y = -self.height / 2 - self.healthBar.height / 2; self.health = 100; self.update = function (mouseX) { if (self.x < mouseX) { self.moveRight(); } else if (self.x > mouseX) { self.moveLeft(); } }; }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.createAsset('enemy', 'Enemy character', .5, .5); self.speed = 3; self.health = 100; self.move = function (targetX, targetY) { if (self.x < targetX) { self.x += self.speed; } else if (self.x > targetX) { self.x -= self.speed; } if (self.y < targetY) { self.y += self.speed; } else if (self.y > targetY) { self.y -= self.speed; } }; self.attack = function () {}; }); var HeroBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.createAsset('heroBullet', 'Hero Bullet', .5, .5); self.speed = 10; self.target = null; LK.setTimeout(function () { self.destroy(); }, 5000); self.move = function () { if (self.target) { var dx = self.target.x - self.x; var dy = self.target.y - self.y; var angle = Math.atan2(dy, dx); self.x += Math.cos(angle) * self.speed; self.y += Math.sin(angle) * self.speed; bulletGraphics.rotation = angle; } else { self.x += self.speed; } }; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.createAsset('enemyBullet', 'Enemy Bullet', .5, .5); self.speed = 7; self.move = function () {}; }); var Game = Container.expand(function () { var self = Container.call(this); var background = self.createAsset('epicBackground', 'Epic Background', 0, 0); background.width = 2048; background.height = 2732; self.on('move', function (obj) { var event = obj.event; var pos = event.getLocalPosition(self); hero.x = pos.x; hero.y = pos.y; }); var bulletSpawnInterval = LK.setInterval(function () { var nearestEnemy = enemies.length > 0 ? enemies.reduce((prev, curr) => { var d1 = Math.hypot(hero.x - prev.x, hero.y - prev.y); var d2 = Math.hypot(hero.x - curr.x, hero.y - curr.y); return d1 < d2 ? prev : curr; }) : null; var bullet = new HeroBullet(); bullet.x = hero.x; bullet.y = hero.y; bullet.target = nearestEnemy; heroBullets.push(bullet); self.addChild(bullet); }, 1000); var hero = self.addChild(new Hero()); var enemies = []; var enemySpawnInterval = LK.setInterval(function () { for (var i = 0; i < 5; i++) { var enemy = new Enemy(); enemy.x = Math.random() * 2048; enemy.y = Math.random() * 2732; enemies.push(enemy); self.addChild(enemy); } }, 10000); var heroBullets = []; var enemyBullets = []; hero.x = 724; hero.y = 1366; LK.on('tick', function () { hero.update(); for (var i = 0; i < enemies.length; i++) { enemies[i].move(hero.x, hero.y); if (enemies[i].intersects(hero)) { LK.setTimeout(function () { hero.health -= 10; hero.healthBar.width = hero.health; if (hero.health <= 0) { LK.showGameOver(); } }, 1000); } for (var j = 0; j < heroBullets.length; j++) { if (enemies[i] && heroBullets[j] && enemies[i].intersects(heroBullets[j])) { enemies[i].health -= 10; heroBullets[j].destroy(); if (enemies[i].health <= 0) { enemies[i].destroy(); enemies.splice(i, 1); } else { enemies[i].tint = 0xFF0000 + 0x00FF00 * (enemies[i].health / 100); } } } } for (var i = 0; i < heroBullets.length; i++) { heroBullets[i].move(); } for (var i = 0; i < enemyBullets.length; i++) { enemyBullets[i].update(); } }); LK.on('keydown', function (event) { switch (event.key) { case 'ArrowLeft': hero.moveLeft(); break; case 'ArrowRight': hero.moveRight(); break; case 'Space': hero.jump(); break; case 'Control': hero.shoot(); break; } }); });