/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var EnemyBullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 4; self.directionX = 0; self.directionY = 0; self.lifeTime = 0; self.maxLifeTime = 180; // 3 seconds at 60fps self.consumed = false; self.update = function () { if (self.consumed) return; self.x += self.directionX * self.speed; self.y += self.directionY * self.speed; self.lifeTime++; // Remove bullet if it goes out of bounds or expires if (self.x < 0 || self.x > arenaWidth || self.y < 0 || self.y > arenaHeight || self.lifeTime > self.maxLifeTime) { self.consumed = true; } }; return self; }); var EnemyCell = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemyCell', { anchorX: 0.5, anchorY: 0.5 }); self.size = 80; self.speed = 1; self.targetX = self.x; self.targetY = self.y; self.moveTimer = 0; self.consumed = false; self.update = function () { if (self.consumed) return; self.moveTimer++; // Chase the player instead of random movement self.targetX = player.x; self.targetY = player.y; // Move towards player var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); // Only move if not too close (maintain some distance for shooting) if (distance > 120) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; } // Shoot at player every 90 frames (1.5 seconds) if (self.moveTimer % 90 === 0 && distance < 400) { // Create bullet aimed at player var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y; // Calculate direction to player bullet.directionX = dx / distance; bullet.directionY = dy / distance; enemyBullets.push(bullet); game.addChild(bullet); LK.getSound('enemyShoot').play(); } // Check collision with other enemy cells for (var i = 0; i < enemyCells.length; i++) { var otherEnemy = enemyCells[i]; if (otherEnemy === self || otherEnemy.consumed) continue; var dx = self.x - otherEnemy.x; var dy = self.y - otherEnemy.y; var distance = Math.sqrt(dx * dx + dy * dy); var minDistance = (self.size + otherEnemy.size) / 2; // If too close, push them apart if (distance < minDistance && distance > 0) { var pushForce = (minDistance - distance) / 2; var pushX = dx / distance * pushForce; var pushY = dy / distance * pushForce; self.x += pushX; self.y += pushY; otherEnemy.x -= pushX; otherEnemy.y -= pushY; } } // Keep within arena bounds if (self.x < self.size / 2) self.x = self.size / 2; if (self.x > arenaWidth - self.size / 2) self.x = arenaWidth - self.size / 2; if (self.y < self.size / 2) self.y = self.size / 2; if (self.y > arenaHeight - self.size / 2) self.y = arenaHeight - self.size / 2; }; self.teleportToRandomLocation = function () { // Teleport to a random location far from the house var attempts = 0; var maxAttempts = 10; do { self.x = Math.random() * (arenaWidth - 200) + 100; self.y = Math.random() * (arenaHeight - 200) + 100; // Make sure enemy doesn't teleport too close to house var dx = self.x - house.x; var dy = self.y - house.y; var distanceFromHouse = Math.sqrt(dx * dx + dy * dy); attempts++; if (distanceFromHouse > 300 || attempts >= maxAttempts) { break; } } while (true); // Reset target position self.targetX = self.x; self.targetY = self.y; }; return self; }); var FoodParticle = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('foodParticle', { anchorX: 0.5, anchorY: 0.5 }); self.value = 1; self.consumed = false; return self; }); var HealthFood = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('healthFood', { anchorX: 0.5, anchorY: 0.5 }); self.healAmount = 10; self.consumed = false; return self; }); var House = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('house', { anchorX: 0.5, anchorY: 0.5 }); self.size = 150; self.playerInside = false; self.lastPlayerInside = false; self.checkPlayerInside = function (playerX, playerY, playerSize) { var dx = playerX - self.x; var dy = playerY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); return distance < self.size / 2 - playerSize / 2; }; return self; }); var PlayerBullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); // Tint player bullets green to distinguish from enemy bullets graphics.tint = 0x00ff00; self.speed = 6; self.directionX = 0; self.directionY = 0; self.lifeTime = 0; self.maxLifeTime = 120; // 2 seconds at 60fps self.consumed = false; self.update = function () { if (self.consumed) return; self.x += self.directionX * self.speed; self.y += self.directionY * self.speed; self.lifeTime++; // Remove bullet if it goes out of bounds or expires if (self.x < 0 || self.x > arenaWidth || self.y < 0 || self.y > arenaHeight || self.lifeTime > self.maxLifeTime) { self.consumed = true; } }; return self; }); var PlayerCell = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('playerCell', { anchorX: 0.5, anchorY: 0.5 }); self.size = 60; self.maxSpeed = 3; self.targetX = self.x; self.targetY = self.y; self.lastSize = self.size; self.health = 100; self.maxHealth = 100; self.level = 1; self.maxLevel = 100; self.speedBoostActive = false; self.originalMaxSpeed = self.maxSpeed; self.grow = function (amount) { // Don't change size - character stays the same size // Update score by the amount eaten instead of size-based scoring LK.setScore(LK.getScore() + amount); scoreTxt.setText(LK.getScore()); // Update level based on score self.updateLevel(); // Check win condition based on score instead of size if (LK.getScore() >= 500) { LK.showYouWin(); } }; self.heal = function (amount) { self.health = Math.min(self.maxHealth, self.health + amount); healthTxt.setText('Health: ' + self.health); }; self.takeDamage = function (amount) { self.health = Math.max(0, self.health - amount); healthTxt.setText('Health: ' + self.health); if (self.health <= 0) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return true; } return false; }; self.updateLevel = function () { var newLevel = Math.min(self.maxLevel, Math.floor(LK.getScore() / 100) + 1); if (newLevel !== self.level) { self.level = newLevel; levelTxt.setText('Level: ' + self.level); } }; self.activateSpeedBoost = function (boostAmount, duration) { if (!self.speedBoostActive) { self.speedBoostActive = true; self.maxSpeed = self.originalMaxSpeed + boostAmount; // Visual effect - blue tint tween(graphics, { tint: 0x00ffff }, { duration: 200 }); // Remove boost after duration LK.setTimeout(function () { self.speedBoostActive = false; self.maxSpeed = self.originalMaxSpeed; // Remove tint tween(graphics, { tint: 0xffffff }, { duration: 200 }); }, duration); } }; self.getSpeed = function () { // Speed stays constant since size no longer changes return self.maxSpeed; }; self.update = function () { // Move towards target position var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 2) { var speed = self.getSpeed(); self.x += dx / distance * speed; self.y += dy / distance * speed; } // Keep within arena bounds var radius = self.size / 2; if (self.x < radius) self.x = radius; if (self.x > arenaWidth - radius) self.x = arenaWidth - radius; if (self.y < radius) self.y = radius; if (self.y > arenaHeight - radius) self.y = arenaHeight - radius; }; return self; }); var PlayerWeapon = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('weapon', { anchorX: 0.5, anchorY: 0.5 }); self.offsetX = 40; // Distance from player self.offsetY = 0; self.shootTimer = 0; self.shootCooldown = 30; // Shoot every 0.5 seconds at 60fps self.update = function () { // Follow player position with offset self.x = player.x + self.offsetX; self.y = player.y + self.offsetY; // Keep weapon within arena bounds if (self.x < 20) self.x = 20; if (self.x > arenaWidth - 20) self.x = arenaWidth - 20; if (self.y < 20) self.y = 20; if (self.y > arenaHeight - 20) self.y = arenaHeight - 20; // Shooting logic self.shootTimer++; if (self.shootTimer >= self.shootCooldown && enemyCells.length > 0) { // Find closest enemy var closestEnemy = null; var closestDistance = Infinity; for (var i = 0; i < enemyCells.length; i++) { var enemy = enemyCells[i]; if (enemy.consumed) continue; var dx = enemy.x - self.x; var dy = enemy.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < closestDistance && distance < 300) { closestDistance = distance; closestEnemy = enemy; } } // Shoot at closest enemy if found if (closestEnemy) { var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y; // Calculate direction to enemy var dx = closestEnemy.x - self.x; var dy = closestEnemy.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); bullet.directionX = dx / distance; bullet.directionY = dy / distance; playerBullets.push(bullet); game.addChild(bullet); self.shootTimer = 0; } } }; return self; }); var SpeedFood = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('speedFood', { anchorX: 0.5, anchorY: 0.5 }); self.speedBoost = 2; self.boostDuration = 3000; // 3 seconds self.consumed = false; return self; }); var Weapon = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('weapon', { anchorX: 0.5, anchorY: 0.5 }); self.consumed = false; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a1a1a }); /**** * Game Code ****/ var arenaWidth = 2048; var arenaHeight = 2732; // Create score display var scoreTxt = new Text2('0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Create health display var healthTxt = new Text2('Health: 100', { size: 60, fill: 0x00ff00 }); healthTxt.anchor.set(0, 0); healthTxt.x = 120; healthTxt.y = 20; LK.gui.topLeft.addChild(healthTxt); // Create level display var levelTxt = new Text2('Level: 1', { size: 60, fill: 0xffff00 }); levelTxt.anchor.set(1, 0); levelTxt.x = -20; levelTxt.y = 20; LK.gui.topRight.addChild(levelTxt); // Game objects var player; var house; var foodParticles = []; var enemyCells = []; var enemyBullets = []; var healthFoods = []; var speedFoods = []; var maxFoodParticles = 50; var maxEnemyCells = 5; var maxHealthFoods = 8; var maxSpeedFoods = 5; var enemySpawnTimer = 0; var weaponSpawned = false; var weapons = []; var playerHasWeapon = false; var playerWeapon = null; var playerBullets = []; var weaponTimer = 0; var weaponDuration = 300; // 5 seconds at 60fps // Initialize player player = game.addChild(new PlayerCell()); player.x = arenaWidth / 2; player.y = arenaHeight / 2; // Initialize house house = game.addChild(new House()); house.x = arenaWidth / 4; house.y = arenaHeight / 4; // Create initial food particles function createFoodParticle() { var food = new FoodParticle(); food.x = Math.random() * (arenaWidth - 100) + 50; food.y = Math.random() * (arenaHeight - 100) + 50; foodParticles.push(food); game.addChild(food); } // Create health food function createHealthFood() { var healthFood = new HealthFood(); healthFood.x = Math.random() * (arenaWidth - 100) + 50; healthFood.y = Math.random() * (arenaHeight - 100) + 50; healthFoods.push(healthFood); game.addChild(healthFood); } // Create speed food function createSpeedFood() { var speedFood = new SpeedFood(); speedFood.x = Math.random() * (arenaWidth - 100) + 50; speedFood.y = Math.random() * (arenaHeight - 100) + 50; speedFoods.push(speedFood); game.addChild(speedFood); } // Create initial enemy cells function createEnemyCell() { var enemy = new EnemyCell(); enemy.x = Math.random() * (arenaWidth - 200) + 100; enemy.y = Math.random() * (arenaHeight - 200) + 100; // Make sure enemy doesn't spawn too close to player var dx = enemy.x - player.x; var dy = enemy.y - player.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 200) { enemy.x = player.x + dx / distance * 200; enemy.y = player.y + dy / distance * 200; } enemyCells.push(enemy); game.addChild(enemy); } // Spawn initial objects for (var i = 0; i < maxFoodParticles; i++) { createFoodParticle(); } for (var i = 0; i < maxEnemyCells; i++) { createEnemyCell(); } for (var i = 0; i < maxHealthFoods; i++) { createHealthFood(); } for (var i = 0; i < maxSpeedFoods; i++) { createSpeedFood(); } // Touch controls function handleMove(x, y, obj) { player.targetX = x; player.targetY = y; } game.move = handleMove; game.down = function (x, y, obj) { handleMove(x, y, obj); }; // Main game loop game.update = function () { // Check collisions with food particles for (var i = foodParticles.length - 1; i >= 0; i--) { var food = foodParticles[i]; if (food.consumed) continue; var dx = player.x - food.x; var dy = player.y - food.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < player.size / 2 + 10) { // Player ate food food.consumed = true; player.grow(3); food.destroy(); foodParticles.splice(i, 1); LK.getSound('eat').play(); } } // Check collisions with health foods for (var i = healthFoods.length - 1; i >= 0; i--) { var healthFood = healthFoods[i]; if (healthFood.consumed) continue; var dx = player.x - healthFood.x; var dy = player.y - healthFood.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < player.size / 2 + 12) { // Player ate health food healthFood.consumed = true; player.heal(10); healthFood.destroy(); healthFoods.splice(i, 1); LK.getSound('eat').play(); } } // Check collisions with enemy cells for (var i = enemyCells.length - 1; i >= 0; i--) { var enemy = enemyCells[i]; if (enemy.consumed) continue; var dx = player.x - enemy.x; var dy = player.y - enemy.y; var distance = Math.sqrt(dx * dx + dy * dy); var collisionDistance = player.size / 2 + enemy.size / 2 - 10; if (distance < collisionDistance) { if (player.size > enemy.size + 20) { // Player eats enemy enemy.consumed = true; player.grow(15); enemy.destroy(); enemyCells.splice(i, 1); LK.getSound('absorbed').play(); } else if (enemy.size > player.size + 20) { // Enemy eats player - game over LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } } } // Spawn new food particles if (foodParticles.length < maxFoodParticles && LK.ticks % 60 === 0) { createFoodParticle(); } // Check collisions with speed foods for (var i = speedFoods.length - 1; i >= 0; i--) { var speedFood = speedFoods[i]; if (speedFood.consumed) continue; var dx = player.x - speedFood.x; var dy = player.y - speedFood.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < player.size / 2 + 15) { // Player ate speed food speedFood.consumed = true; player.activateSpeedBoost(speedFood.speedBoost, speedFood.boostDuration); speedFood.destroy(); speedFoods.splice(i, 1); LK.getSound('eat').play(); } } // Spawn new health foods if (healthFoods.length < maxHealthFoods && LK.ticks % 180 === 0) { createHealthFood(); } // Spawn new speed foods if (speedFoods.length < maxSpeedFoods && LK.ticks % 240 === 0) { createSpeedFood(); } // Check bullet collisions with player for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.consumed) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } var dx = player.x - bullet.x; var dy = player.y - bullet.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < player.size / 2 + 5) { // Bullet hit player - take damage var isDead = player.takeDamage(5); if (isDead) { return; } bullet.consumed = true; bullet.destroy(); enemyBullets.splice(i, 1); } } // Check player bullet collisions with enemies for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.consumed) { bullet.destroy(); playerBullets.splice(i, 1); continue; } // Check collision with enemies var hitEnemy = false; for (var j = enemyCells.length - 1; j >= 0; j--) { var enemy = enemyCells[j]; if (enemy.consumed) continue; var dx = bullet.x - enemy.x; var dy = bullet.y - enemy.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < enemy.size / 2 + 10) { // Bullet hit enemy enemy.consumed = true; player.grow(10); // Give points for killing enemy enemy.destroy(); enemyCells.splice(j, 1); LK.getSound('absorbed').play(); bullet.consumed = true; hitEnemy = true; break; } } if (hitEnemy) { bullet.destroy(); playerBullets.splice(i, 1); } } // Check if player enters/exits house house.lastPlayerInside = house.playerInside; house.playerInside = house.checkPlayerInside(player.x, player.y, player.size); // If player just entered the house (transition from outside to inside) if (!house.lastPlayerInside && house.playerInside) { // Teleport all enemies to different locations for (var i = 0; i < enemyCells.length; i++) { var enemy = enemyCells[i]; if (!enemy.consumed) { enemy.teleportToRandomLocation(); } } // Visual effect when entering house LK.effects.flashScreen(0x00ff00, 300); } // Enemy spawning system - increase every 10 seconds up to 10 enemies enemySpawnTimer++; if (enemySpawnTimer >= 600) { // 10 seconds at 60fps enemySpawnTimer = 0; if (maxEnemyCells < 10) { maxEnemyCells++; } } // Spawn new enemy cells to reach target amount if (enemyCells.length < maxEnemyCells && LK.ticks % 300 === 0) { createEnemyCell(); } // Spawn weapon when we have 10 enemies and haven't spawned one yet if (maxEnemyCells >= 10 && !weaponSpawned && weapons.length === 0) { var weapon = new Weapon(); weapon.x = Math.random() * (arenaWidth - 200) + 100; weapon.y = Math.random() * (arenaHeight - 200) + 100; weapons.push(weapon); game.addChild(weapon); weaponSpawned = true; } // Check collisions with weapons for (var i = weapons.length - 1; i >= 0; i--) { var weapon = weapons[i]; if (weapon.consumed) continue; var dx = player.x - weapon.x; var dy = player.y - weapon.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < player.size / 2 + 20) { // Player picked up weapon weapon.consumed = true; weapon.destroy(); weapons.splice(i, 1); LK.getSound('weaponPickup').play(); // Equip weapon to player if (!playerHasWeapon) { playerHasWeapon = true; playerWeapon = game.addChild(new PlayerWeapon()); weaponTimer = 0; // Reset weapon timer LK.effects.flashScreen(0xffff00, 500); } } } // Handle weapon timer and automatic removal if (playerHasWeapon && playerWeapon) { weaponTimer++; if (weaponTimer >= weaponDuration) { // Remove weapon after 5 seconds playerHasWeapon = false; playerWeapon.destroy(); playerWeapon = null; weaponTimer = 0; weaponSpawned = false; // Allow new weapon to spawn when we have 10 enemies again // Flash effect to indicate weapon removed LK.effects.flashScreen(0xff0000, 300); } } };