/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var AmmoPack = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('ammoPack', { anchorX: 0.5, anchorY: 0.5 }); self.ammoAmount = 10; return self; }); var BigAmmoPack = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('bigAmmoPack', { anchorX: 0.5, anchorY: 0.5 }); self.ammoAmount = 50; return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.speed = 12; self.damage = 1; self.setDirection = function (targetX, targetY) { var dx = targetX - self.x; var dy = targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; } }; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.level = 1; self.health = 1; self.maxHealth = 1; self.speed = 2; self.damage = 1; self.lastAttackTime = 0; self.attackCooldown = 2000; // 2 seconds between attacks self.setLevel = function (level) { self.level = level; if (level <= 9) { self.health = level; self.maxHealth = level; } else { self.health = 15; self.maxHealth = 15; } self.damage = level; self.speed = 2 + level * 0.3; // Visual scaling based on level var scale = 1 + level * 0.1; graphics.scaleX = scale; graphics.scaleY = scale; }; self.takeDamage = function (damage) { damage = damage || 1; self.health -= damage; // Flash white when hit tween(graphics, { tint: 0xFFFFFF }, { duration: 100, onFinish: function onFinish() { tween(graphics, { tint: 0xFFFFFF }, { duration: 100 }); } }); return self.health <= 0; }; self.update = function () { if (!player) return; // Move towards player var dx = player.x - self.x; var dy = player.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; } // Attack player if close enough and cooldown is ready if (distance < 50 && Date.now() - self.lastAttackTime > self.attackCooldown) { player.takeDamage(self.damage); self.lastAttackTime = Date.now(); } }; return self; }); var HealthPack = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('healthPack', { anchorX: 0.5, anchorY: 0.5 }); self.healAmount = 25; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.speed = 8; self.ammo = 30; self.weaponLevel = 1; self.weaponDamage = 1; self.takeDamage = function (damage) { self.health -= damage; if (self.health < 0) self.health = 0; // Flash red when taking damage tween(graphics, { tint: 0xFF0000 }, { duration: 100, onFinish: function onFinish() { tween(graphics, { tint: 0xFFFFFF }, { duration: 100 }); } }); }; self.heal = function (amount) { self.health += amount; if (self.health > self.maxHealth) self.health = self.maxHealth; // Flash green when healing tween(graphics, { tint: 0x00FF00 }, { duration: 200, onFinish: function onFinish() { tween(graphics, { tint: 0xFFFFFF }, { duration: 200 }); } }); }; self.addAmmo = function (amount) { self.ammo += amount; // Flash blue when getting ammo tween(graphics, { tint: 0x0000FF }, { duration: 200, onFinish: function onFinish() { tween(graphics, { tint: 0xFFFFFF }, { duration: 200 }); } }); }; self.upgradeWeapon = function (newLevel) { if (newLevel > self.weaponLevel) { self.weaponLevel = newLevel; self.weaponDamage = newLevel; // Flash gold when upgrading weapon tween(graphics, { tint: 0xFFD700 }, { duration: 300, onFinish: function onFinish() { tween(graphics, { tint: 0xFFFFFF }, { duration: 300 }); } }); } }; return self; }); var WeaponPickup = Container.expand(function () { var self = Container.call(this); self.weaponLevel = 1; self.damage = 1; var graphics; self.setWeaponLevel = function (level) { self.weaponLevel = level; self.damage = level; // Remove old graphics if exists if (graphics) { self.removeChild(graphics); } // Add new graphics based on level var assetName = 'weapon' + level; graphics = self.attachAsset(assetName, { anchorX: 0.5, anchorY: 0.5 }); // Different colors for different levels var colors = [0xFFFFFF, 0x00FF00, 0x0080FF, 0xFF00FF]; graphics.tint = colors[level] || 0xFFFFFF; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2E7D32 }); /**** * Game Code ****/ var player; var enemies = []; var bullets = []; var healthPacks = []; var ammoPacks = []; var bigAmmoPacks = []; var weaponPickups = []; var currentEnemyLevel = 1; var lastEnemySpawn = 0; var enemySpawnRate = 2000; // 2 seconds var lastHealthPackSpawn = 0; var healthPackSpawnRate = 8000; // 8 seconds var lastAmmoPackSpawn = 0; var ammoPackSpawnRate = 6000; // 6 seconds var lastBigAmmoPackSpawn = 0; var bigAmmoPackSpawnRate = 12000; // 12 seconds var lastWeaponSpawn = 0; var weaponSpawnRate = 15000; // 15 seconds for rare weapon spawns var initialWeaponSpawnRate = 5000; // 5 seconds for initial level 1 weapons var moveDirection = { x: 0, y: 0 }; // Create player player = game.addChild(new Player()); player.x = 2048 / 2; player.y = 2732 / 2; // UI Elements var healthText = new Text2('Health: 100', { size: 60, fill: 0xFF4081 }); healthText.anchor.set(0, 0); LK.gui.topLeft.addChild(healthText); healthText.x = 120; // Avoid platform menu var ammoText = new Text2('Ammo: 30', { size: 60, fill: 0x2196F3 }); ammoText.anchor.set(0, 0); LK.gui.topLeft.addChild(ammoText); ammoText.x = 120; // Avoid platform menu ammoText.y = 80; var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFEB3B }); scoreText.anchor.set(1, 0); LK.gui.topRight.addChild(scoreText); var levelText = new Text2('Enemy Level: 1', { size: 60, fill: 0xFF5722 }); levelText.anchor.set(1, 0); LK.gui.topRight.addChild(levelText); levelText.y = 80; var weaponText = new Text2('Weapon: Lv1', { size: 60, fill: 0x9C27B0 }); weaponText.anchor.set(1, 0); LK.gui.topRight.addChild(weaponText); weaponText.y = 160; // Movement controls var moveUpButton = LK.getAsset('upArrow', { anchorX: 0.5, anchorY: 0.5, width: 200, height: 200, alpha: 0.7 }); game.addChild(moveUpButton); moveUpButton.x = 200; moveUpButton.y = 2732 - 400; var moveDownButton = LK.getAsset('downArrow', { anchorX: 0.5, anchorY: 0.5, width: 200, height: 200, alpha: 0.7 }); game.addChild(moveDownButton); moveDownButton.x = 200; moveDownButton.y = 2732 - 200; var moveLeftButton = LK.getAsset('leftArrow', { anchorX: 0.5, anchorY: 0.5, width: 200, height: 200, alpha: 0.7 }); game.addChild(moveLeftButton); moveLeftButton.x = 100; moveLeftButton.y = 2732 - 300; var moveRightButton = LK.getAsset('rightArrow', { anchorX: 0.5, anchorY: 0.5, width: 200, height: 200, alpha: 0.7 }); game.addChild(moveRightButton); moveRightButton.x = 300; moveRightButton.y = 2732 - 300; // Control handlers moveUpButton.down = function () { moveDirection.y = -1; }; moveUpButton.up = function () { moveDirection.y = 0; }; moveDownButton.down = function () { moveDirection.y = 1; }; moveDownButton.up = function () { moveDirection.y = 0; }; moveLeftButton.down = function () { moveDirection.x = -1; }; moveLeftButton.up = function () { moveDirection.x = 0; }; moveRightButton.down = function () { moveDirection.x = 1; }; moveRightButton.up = function () { moveDirection.x = 0; }; // Shooting game.down = function (x, y) { if (player.ammo <= 0) return; // Don't shoot if touching movement controls if (x < 400 && y > 2732 - 500) return; var bullet = new Bullet(); bullet.x = player.x; bullet.y = player.y; bullet.damage = player.weaponDamage; bullet.setDirection(x, y); bullets.push(bullet); game.addChild(bullet); player.ammo--; LK.getSound('shoot').play(); }; function spawnEnemy() { var enemy = new Enemy(); enemy.setLevel(currentEnemyLevel); // Spawn at random edge of screen var side = Math.floor(Math.random() * 4); switch (side) { case 0: // Top enemy.x = Math.random() * 2048; enemy.y = -50; break; case 1: // Right enemy.x = 2048 + 50; enemy.y = Math.random() * 2732; break; case 2: // Bottom enemy.x = Math.random() * 2048; enemy.y = 2732 + 50; break; case 3: // Left enemy.x = -50; enemy.y = Math.random() * 2732; break; } enemies.push(enemy); game.addChild(enemy); } function spawnHealthPack() { var healthPack = new HealthPack(); healthPack.x = Math.random() * (2048 - 100) + 50; healthPack.y = Math.random() * (2732 - 100) + 50; healthPacks.push(healthPack); game.addChild(healthPack); } function spawnAmmoPack() { var ammoPack = new AmmoPack(); ammoPack.x = Math.random() * (2048 - 100) + 50; ammoPack.y = Math.random() * (2732 - 100) + 50; ammoPacks.push(ammoPack); game.addChild(ammoPack); } function spawnBigAmmoPack() { var bigAmmoPack = new BigAmmoPack(); bigAmmoPack.x = Math.random() * (2048 - 100) + 50; bigAmmoPack.y = Math.random() * (2732 - 100) + 50; bigAmmoPacks.push(bigAmmoPack); game.addChild(bigAmmoPack); } function spawnWeapon() { var currentScore = LK.getScore(); var availableWeapons = []; // Level 1 weapons are always available (easier spawn at start) if (player.weaponLevel < 1) { availableWeapons.push(1); } // Level 2 weapons available after 500 points if (currentScore >= 500 && player.weaponLevel < 2) { availableWeapons.push(2); } // Level 3 weapons available after 1000 points if (currentScore >= 1000 && player.weaponLevel < 3) { availableWeapons.push(3); } // If no weapons available to spawn, return if (availableWeapons.length === 0) return; // Select random weapon from available ones var weaponLevel = availableWeapons[Math.floor(Math.random() * availableWeapons.length)]; var weapon = new WeaponPickup(); weapon.setWeaponLevel(weaponLevel); weapon.x = Math.random() * (2048 - 100) + 50; weapon.y = Math.random() * (2732 - 100) + 50; weaponPickups.push(weapon); game.addChild(weapon); } game.update = function () { var now = Date.now(); // Update enemy level based on score var newLevel = Math.floor(LK.getScore() / 100) + 1; if (newLevel > 10) newLevel = 10; if (newLevel !== currentEnemyLevel) { currentEnemyLevel = newLevel; levelText.setText('Enemy Level: ' + currentEnemyLevel); } // Player movement if (moveDirection.x !== 0 || moveDirection.y !== 0) { var newX = player.x + moveDirection.x * player.speed; var newY = player.y + moveDirection.y * player.speed; // Keep player on screen if (newX >= 40 && newX <= 2048 - 40) player.x = newX; if (newY >= 40 && newY <= 2732 - 40) player.y = newY; } // Spawn enemies if (now - lastEnemySpawn > enemySpawnRate) { spawnEnemy(); lastEnemySpawn = now; } // Spawn health packs if (now - lastHealthPackSpawn > healthPackSpawnRate) { spawnHealthPack(); lastHealthPackSpawn = now; } // Spawn ammo packs if (now - lastAmmoPackSpawn > ammoPackSpawnRate) { spawnAmmoPack(); lastAmmoPackSpawn = now; } // Spawn big ammo packs (only after 100 points) if (LK.getScore() >= 100 && now - lastBigAmmoPackSpawn > bigAmmoPackSpawnRate) { spawnBigAmmoPack(); lastBigAmmoPackSpawn = now; } // Spawn weapons (use faster rate for level 1 weapons at start) var currentWeaponSpawnRate = player.weaponLevel === 1 && LK.getScore() < 500 ? initialWeaponSpawnRate : weaponSpawnRate; if (now - lastWeaponSpawn > currentWeaponSpawnRate) { spawnWeapon(); lastWeaponSpawn = now; } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; // Remove off-screen bullets if (bullet.x < -50 || bullet.x > 2048 + 50 || bullet.y < -50 || bullet.y > 2732 + 50) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check bullet-enemy collisions for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { if (enemy.takeDamage(bullet.damage)) { // Enemy destroyed var points = enemy.level * 10; // Points scale with enemy level LK.setScore(LK.getScore() + points); scoreText.setText('Score: ' + LK.getScore()); enemy.destroy(); enemies.splice(j, 1); } LK.getSound('enemyHit').play(); bullet.destroy(); bullets.splice(i, 1); break; } } } // Check player-health pack collisions for (var i = healthPacks.length - 1; i >= 0; i--) { var healthPack = healthPacks[i]; if (player.intersects(healthPack)) { player.heal(healthPack.healAmount); LK.getSound('pickup').play(); healthPack.destroy(); healthPacks.splice(i, 1); } } // Check player-ammo pack collisions for (var i = ammoPacks.length - 1; i >= 0; i--) { var ammoPack = ammoPacks[i]; if (player.intersects(ammoPack)) { player.addAmmo(ammoPack.ammoAmount); LK.getSound('pickup').play(); ammoPack.destroy(); ammoPacks.splice(i, 1); } } // Check player-big ammo pack collisions for (var i = bigAmmoPacks.length - 1; i >= 0; i--) { var bigAmmoPack = bigAmmoPacks[i]; if (player.intersects(bigAmmoPack)) { player.addAmmo(bigAmmoPack.ammoAmount); LK.getSound('pickup').play(); bigAmmoPack.destroy(); bigAmmoPacks.splice(i, 1); } } // Check player-weapon pickup collisions for (var i = weaponPickups.length - 1; i >= 0; i--) { var weaponPickup = weaponPickups[i]; if (player.intersects(weaponPickup)) { player.upgradeWeapon(weaponPickup.weaponLevel); LK.getSound('pickup').play(); weaponPickup.destroy(); weaponPickups.splice(i, 1); } } // Update UI healthText.setText('Health: ' + player.health); ammoText.setText('Ammo: ' + player.ammo); weaponText.setText('Weapon: Lv' + player.weaponLevel); // Check game over if (player.health <= 0) { LK.showGameOver(); } };