var BombCountdown = Container.expand(function (initialTime) { var self = Container.call(this); self.timeRemaining = initialTime; self.countdownText = new Text2(self.timeRemaining.toString(), { size: 100, fill: '#ffffff' }); self.countdownText.anchor.set(0.5); self.addChild(self.countdownText); self.update = function (delta) { self.timeRemaining -= delta; if (self.timeRemaining < 0) self.timeRemaining = 0; self.countdownText.setText('Next bomb in: ' + Math.ceil(self.timeRemaining).toString()); }; }); var BombPickup = Container.expand(function () { var self = Container.call(this); self.bombGraphics = self.createAsset('bombPickup', 'Bomb Pickup', 0.5, 0.5); self.bombGraphics.scale.set(1.3); }); var Star = Container.expand(function (speed) { var self = Container.call(this); self.starGraphics = self.createAsset('star', 'White Round Star', 0.5, 0.5); self.speed = speed; self.move = function () { self.y += self.speed; if (self.y > 2732) { self.y = -self.starGraphics.height; self.x = Math.random() * 2048; } }; }); var HealthPickup = Container.expand(function () { var self = Container.call(this); self.pickupGraphics = self.createAsset('healthPickup', 'Health Pickup', 0.5, 0.5); self.pickupGraphics.scale.set(1.3); }); var HealthBar = Container.expand(function (maxHealth, currentHealth) { var self = Container.call(this); self.maxHealth = maxHealth; self.currentHealth = currentHealth; self.background = self.createAsset('healthBarBackground', 'Health Bar Background', 0, 0.5); self.background.scale.set(2, 0.125); self.foreground = self.createAsset('healthBarForeground', 'Health Bar Foreground', 0, 0.5); self.foreground.scale.set(2, 0.125); self.updateHealth = function (newHealth) { self.currentHealth = newHealth; self.foreground.scale.x = self.currentHealth / self.maxHealth; }; }); var Bullet = Container.expand(function () { var self = Container.call(this); self.bulletGraphics = self.createAsset('bullet', 'Bullet Graphics', .5, .5); self.bulletGraphics.scale.set(0.2); var speed = 20; self.direction = 0; self.move = function () { self.x += Math.cos(self.direction) * speed; self.y += Math.sin(self.direction) * speed; if (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) { if (self.parent && self.parent.bullets && self.parent.bullets.includes(self)) { self.parent.bullets.splice(self.parent.bullets.indexOf(self), 1); self.destroy(); } } }; self.hit = function (enemy) { if (self.parent && self.parent.enemies && self.parent.enemies.includes(enemy)) { enemy.enemyGraphics.scale.x /= 1.2; enemy.enemyGraphics.scale.y /= 1.2; if (enemy.enemyGraphics.scale.x < 0.8 || enemy.enemyGraphics.scale.y < 0.8) { self.parent.enemies.splice(self.parent.enemies.indexOf(enemy), 1); self.parent.score += 10; self.parent.scoreText.setText('Score: ' + self.parent.score.toString()); enemy.destroy(); if (self.parent) { self.parent.score += 10; self.parent.scoreText.setText('Score: ' + self.parent.score.toString()); } if (self.parent && self.parent.bullets && self.parent.bullets.includes(self)) { self.parent.bullets.splice(self.parent.bullets.indexOf(self), 1); self.destroy(); } } } }; }); var Hero = Container.expand(function () { var self = Container.call(this); self.health = 100; var heroGraphics = self.createAsset('hero', 'Hero character', .5, .5); heroGraphics.scale.set(1); heroGraphics.rotation = Math.PI / 2; self.bullets = []; self.move = function () { for (var i = 0; i < self.bullets.length; i++) { self.bullets[i].move(); } }; self.lastDamageTime = 0; self.reduceHealth = function (amount) { var currentTime = LK.ticks; if (currentTime - self.lastDamageTime >= 15) { self.health -= amount * 2; if (self.health < 0) self.health = 0; self.healthBar.updateHealth(self.health); self.lastDamageTime = currentTime; } }; self.lastShootTime = 0; self.shoot = function () { var currentTime = LK.ticks; if (currentTime - self.lastShootTime >= 6) { var nearestEnemy = self.parent.findNearestEnemy(self.x, self.y); if (nearestEnemy) { var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; bullet.direction = Math.atan2(nearestEnemy.y - self.y, nearestEnemy.x - self.x); self.rotation = bullet.direction; self.bullets.push(bullet); self.parent.addChild(bullet); bullet.move(); self.lastShootTime = currentTime; } } }; self.trackMovement = function (event) { var pos = event.getLocalPosition(self.parent); self.x = pos.x; self.y = pos.y; self.healthBar.x = self.x - self.healthBar.width / 2; self.healthBar.y = self.y - heroGraphics.height / 2 - 10; }; }); var YellowEnemy = Container.expand(function () { var self = Container.call(this); self.enemyGraphics = self.createAsset('yellowEnemy', 'Yellow Enemy character', .5, .5); var direction = Math.random() * Math.PI * 2; var speed = 2 * (0.8 + Math.random() * 1); self.move = function () { if (self.parent && self.parent.hero && self.parent.hero.x === self.parent.hero.lastX && self.parent.hero.y === self.parent.hero.lastY) { direction = Math.atan2(self.parent.hero.y - self.y, self.parent.hero.x - self.x); } if (direction < 0) direction += 2 * Math.PI; if (direction > 2 * Math.PI) direction -= 2 * Math.PI; self.x += Math.cos(direction) * speed; self.y += Math.sin(direction) * speed; direction += (Math.random() - 0.5) * 0.1; self.enemyGraphics.rotation = direction; var margin = 100; if (self.x < margin) { self.x = margin; direction = 0; } else if (self.x > 2048 - margin) { self.x = 2048 - margin; direction = Math.PI; } if (self.y < margin) { self.y = margin; direction = Math.PI / 2; } else if (self.y > 2732 - margin) { self.y = 2732 - margin; direction = 3 * Math.PI / 2; } if (self.enemyGraphics.scale.x < 0.8 || self.enemyGraphics.scale.y < 0.8) { self.destroy(); } }; self.grow = function () { if (self.enemyGraphics.scale.x < 5 && self.enemyGraphics.scale.y < 5) { self.enemyGraphics.scale.x *= 1.2; self.enemyGraphics.scale.y *= 1.2; } }; LK.setInterval(self.grow, 1500); }); var Game = Container.expand(function () { var self = Container.call(this); self.spawnBombPickup = function () { var bombPickup = new BombPickup(); bombPickup.x = Math.random() * (2048 - bombPickup.bombGraphics.width) + bombPickup.bombGraphics.width / 2; bombPickup.y = Math.random() * (2732 - bombPickup.bombGraphics.height) + bombPickup.bombGraphics.height / 2; self.bombPickups.push(bombPickup); self.addChild(bombPickup); }; self.bombCountdown = new BombCountdown(30); self.bombCountdown.x = 2048 / 2 - 100 - 400 - 200 + 100; self.bombCountdown.y = 50; self.bombCountdown.countdownText.anchor.set(0.5, 0); self.addChild(self.bombCountdown); LK.setInterval(self.spawnBombPickup, 30000); self.checkForBombPickup = function (hero, bombPickups) { for (var i = bombPickups.length - 1; i >= 0; i--) { var pickup = bombPickups[i]; if (hero.intersects(pickup)) { while (self.enemies.length > 0) { var enemy = self.enemies.pop(); self.score += 10; self.scoreText.setText('Score: ' + self.score.toString()); enemy.destroy(); } self.bombCountdown.timeRemaining = 30; self.bombCountdown.update(0); pickup.destroy(); bombPickups.splice(i, 1); } } }; self.checkForHealthPickup = function (hero, healthPickups) { for (var i = healthPickups.length - 1; i >= 0; i--) { var pickup = healthPickups[i]; if (hero.intersects(pickup)) { hero.health = hero.healthBar.maxHealth * 2; hero.healthBar.updateHealth(hero.health); pickup.destroy(); healthPickups.splice(i, 1); } } }; self.spawnHealthPickup = function () { var healthPickup = new HealthPickup(); healthPickup.x = Math.random() * (2048 - healthPickup.pickupGraphics.width) + healthPickup.pickupGraphics.width / 2; healthPickup.y = Math.random() * (2732 - healthPickup.pickupGraphics.height) + healthPickup.pickupGraphics.height / 2; self.healthPickups.push(healthPickup); self.addChild(healthPickup); }; self.findNearestEnemy = function (x, y) { var nearestEnemy = null; var nearestDistance = Infinity; for (var i = 0; i < self.enemies.length; i++) { var dx = x - self.enemies[i].x; var dy = y - self.enemies[i].y; var distanceSquared = dx * dx + dy * dy; if (distanceSquared < nearestDistance * nearestDistance) { nearestDistance = Math.sqrt(distanceSquared); nearestEnemy = self.enemies[i]; } } return nearestEnemy; }; LK.on('tick', function () { self.bombCountdown.update(1 / 60); hero.move(); for (var i = 0; i < self.enemies.length; i++) { self.enemies[i].move(); } for (var i = 0; i < self.enemies.length; i++) { if (hero.intersects(self.enemies[i]) && LK.ticks - hero.lastDamageTime >= 15) { hero.reduceHealth(10); if (hero.health <= 0) { LK.showGameOver(); return; } } } self.checkForHealthPickup(hero, self.healthPickups); self.checkForBombPickup(hero, self.bombPickups); if (hero.health <= hero.healthBar.maxHealth * 0.40 && self.healthPickups.length === 0) { self.spawnHealthPickup(); } hero.shoot(); for (var i = 0; i < hero.bullets.length; i++) { for (var j = 0; j < self.enemies.length; j++) { if (hero.bullets[i] && hero.bullets[i].intersects(self.enemies[j])) { hero.bullets[i].hit(self.enemies[j]); hero.bullets[i].destroy(); hero.bullets.splice(i, 1); i--; } } if (hero.bullets[i] && (hero.bullets[i].x < 0 || hero.bullets[i].x > 2048 || hero.bullets[i].y < 0 || hero.bullets[i].y > 2732)) { hero.bullets[i].destroy(); hero.bullets.splice(i, 1); i--; } } }); self.stars = []; for (var i = 0; i < 100; i++) { var starSpeed = 0.5 + Math.random() * 2; var star = new Star(starSpeed); star.x = Math.random() * 2048; star.y = Math.random() * 2732; self.stars.push(star); self.addChild(star); } var hero = self.addChild(new Hero()); self.score = 0; self.scoreText = new Text2('Score: ' + self.score.toString(), { size: 100, fill: '#ffffff' }); self.scoreText.anchor.set(0.5, 0); self.scoreText.x = 2048 / 2 + 700; self.scoreText.y = 50; self.addChild(self.scoreText); hero.healthBar = self.addChild(new HealthBar(hero.health, hero.health)); self.enemies = []; self.score = 0; self.healthPickups = []; self.bombPickups = []; hero.x = 2048 / 2; hero.y = 2732 / 2; LK.on('tick', function () { for (var i = 0; i < self.stars.length; i++) { self.stars[i].move(); } hero.move(); for (var i = 0; i < self.enemies.length; i++) { self.enemies[i].move(); } }); LK.stage.on('move', function (obj) { hero.trackMovement(obj.event); }); var enemySpawnCounter = 0; var spawnEnemy = LK.setInterval(function () { if (self.enemies.length < 50) { var enemy = new YellowEnemy(); var side = Math.floor(Math.random() * 4); switch (side) { case 0: enemy.x = Math.random() * 2048; enemy.y = -enemy.enemyGraphics.height; break; case 1: enemy.x = 2048 + enemy.enemyGraphics.width; enemy.y = Math.random() * 2732; break; case 2: enemy.x = Math.random() * 2048; enemy.y = 2732 + enemy.enemyGraphics.height; break; case 3: enemy.x = -enemy.enemyGraphics.width; enemy.y = Math.random() * 2732; break; } self.enemies.push(enemy); self.addChild(enemy); enemySpawnCounter++; } }, 325); });

Nightmare in the Amoeba Zone by Ben Cousins

Images