/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Boss = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('tankZombie', { anchorX: 0.5, anchorY: 0.5 }); bossGraphics.scaleX = 2.0; // Much bigger than regular zombies bossGraphics.scaleY = 2.0; bossGraphics.tint = 0xFF0000; // Red tint to distinguish from regular tanks self.speed = 1.5; // Slower but more menacing self.health = 300; // Much more health self.maxHealth = self.health; self.damage = 75; // Much more damage self.isBoss = true; self.armor = 10; // Boss has armor reducing incoming damage self.moveDirection = 1; // For side-to-side movement self.moveTimer = 0; self.update = function () { // Boss moves side to side while advancing self.moveTimer++; if (self.moveTimer >= 60) { // Change direction every second self.moveDirection *= -1; self.moveTimer = 0; } // Side to side movement self.x += self.moveDirection * 3; // Keep boss on screen if (self.x < 200) { self.x = 200; self.moveDirection = 1; } else if (self.x > 1848) { self.x = 1848; self.moveDirection = -1; } // Move downward from the front self.y += self.speed + roadSpeed; // Remove if off screen if (self.y > 2732 + 50) { self.destroy(); for (var i = bosses.length - 1; i >= 0; i--) { if (bosses[i] === self) { bosses.splice(i, 1); break; } } } // Check collision with car if (self.intersects(car)) { car.takeDamage(self.damage); self.destroy(); for (var i = bosses.length - 1; i >= 0; i--) { if (bosses[i] === self) { bosses.splice(i, 1); break; } } } }; self.takeDamage = function (damage) { // Boss armor reduces damage var actualDamage = Math.max(1, damage - self.armor); self.health -= actualDamage; LK.effects.flashObject(self, 0xFFFF00, 200); // Yellow flash for boss if (self.health <= 0) { LK.setScore(LK.getScore() + 100); // Big bonus points for killing boss // Boss death explosion effect LK.effects.flashScreen(0xFFFF00, 800); self.destroy(); for (var i = bosses.length - 1; i >= 0; i--) { if (bosses[i] === self) { bosses.splice(i, 1); break; } } } }; return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 15; self.damage = car.damage; self.update = function () { self.y -= self.speed; // Remove if off screen if (self.y < -50) { self.destroy(); for (var i = bullets.length - 1; i >= 0; i--) { if (bullets[i] === self) { bullets.splice(i, 1); break; } } } // Check collision with zombies for (var i = zombies.length - 1; i >= 0; i--) { var zombie = zombies[i]; if (self.intersects(zombie)) { zombie.takeDamage(self.damage); self.destroy(); for (var j = bullets.length - 1; j >= 0; j--) { if (bullets[j] === self) { bullets.splice(j, 1); break; } } break; } } // Check collision with bosses separately for (var i = bosses.length - 1; i >= 0; i--) { var boss = bosses[i]; if (self.intersects(boss)) { boss.takeDamage(self.damage); self.destroy(); for (var j = bullets.length - 1; j >= 0; j--) { if (bullets[j] === self) { bullets.splice(j, 1); break; } } break; } } }; return self; }); var Car = Container.expand(function () { var self = Container.call(this); var carGraphics = self.attachAsset('car', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.maxHealth = 100; self.health = self.maxHealth; self.armor = 0; self.damage = 20; self.fireRate = 30; self.fireTimer = 0; self.moveSpeed = 12; self.update = function () { if (self.fireTimer > 0) { self.fireTimer--; } // Auto-fire bullets if (self.fireTimer <= 0) { self.fireBullet(); self.fireTimer = self.fireRate; } }; self.fireBullet = function () { var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y - 100; bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); }; self.takeDamage = function (damage) { var actualDamage = Math.max(1, damage - self.armor); self.health -= actualDamage; LK.effects.flashObject(self, 0xff0000, 300); LK.getSound('hit').play(); if (self.health <= 0) { LK.showGameOver(); } }; return self; }); var Obstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('debris', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.y += roadSpeed; // Remove if off screen if (self.y > 2732 + 50) { self.destroy(); for (var i = obstacles.length - 1; i >= 0; i--) { if (obstacles[i] === self) { obstacles.splice(i, 1); break; } } } // Check collision with car if (self.intersects(car)) { car.takeDamage(15); self.destroy(); for (var i = obstacles.length - 1; i >= 0; i--) { if (obstacles[i] === self) { obstacles.splice(i, 1); break; } } } }; return self; }); var Pickup = Container.expand(function (type) { var self = Container.call(this); self.pickupType = type || 'scrap'; var assetName = 'scrapMetal'; if (self.pickupType === 'armor') { assetName = 'armorPlate'; } else if (self.pickupType === 'weapon') { assetName = 'weaponPart'; } var pickupGraphics = self.attachAsset(assetName, { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.y += roadSpeed; // Remove if off screen if (self.y > 2732 + 50) { self.destroy(); for (var i = pickups.length - 1; i >= 0; i--) { if (pickups[i] === self) { pickups.splice(i, 1); break; } } } // Check collision with car if (self.intersects(car)) { self.collect(); } }; self.collect = function () { LK.getSound('collect').play(); if (self.pickupType === 'scrap') { scrapCount++; car.speed += 0.1; // Heal the car when collecting scrap car.health = Math.min(car.maxHealth, car.health + 15); // Increase damage when collecting scrap car.damage += 2; } else if (self.pickupType === 'armor') { armorCount++; car.armor += 2; } else if (self.pickupType === 'weapon') { weaponCount++; car.damage += 3; car.fireRate = Math.max(10, car.fireRate - 1); } updateUpgradeDisplay(); self.destroy(); for (var i = pickups.length - 1; i >= 0; i--) { if (pickups[i] === self) { pickups.splice(i, 1); break; } } }; return self; }); var Zombie = Container.expand(function (type) { var self = Container.call(this); self.zombieType = type || 'normal'; var assetName = 'zombie'; if (self.zombieType === 'fast') { assetName = 'fastZombie'; self.speed = 6; self.health = 15; self.damage = 15; } else if (self.zombieType === 'tank') { assetName = 'tankZombie'; self.speed = 3; self.health = 50; self.damage = 30; } else { self.speed = 4; self.health = 20; self.damage = 20; } var zombieGraphics = self.attachAsset(assetName, { anchorX: 0.5, anchorY: 0.5 }); self.maxHealth = self.health; self.update = function () { // Move downward from the front self.y += self.speed + roadSpeed; // Remove if off screen if (self.y > 2732 + 50) { self.destroy(); for (var i = zombies.length - 1; i >= 0; i--) { if (zombies[i] === self) { zombies.splice(i, 1); break; } } } // Check collision with car if (self.intersects(car)) { car.takeDamage(self.damage); self.destroy(); for (var i = zombies.length - 1; i >= 0; i--) { if (zombies[i] === self) { zombies.splice(i, 1); break; } } } }; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xff0000, 200); if (self.health <= 0) { LK.setScore(LK.getScore() + 10); self.destroy(); for (var i = zombies.length - 1; i >= 0; i--) { if (zombies[i] === self) { zombies.splice(i, 1); break; } } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a5a1a }); /**** * Game Code ****/ // Game variables var car; var zombies = []; var bosses = []; // Separate array for boss zombies var bullets = []; var pickups = []; var obstacles = []; var roadSegments = []; var roadLines = []; var roadSpeed = 8; var spawnTimer = 0; var pickupTimer = 0; var obstacleTimer = 0; var difficultyTimer = 0; var scrapCount = 0; var armorCount = 0; var weaponCount = 0; var dragActive = false; var lastBossScore = 0; // Create road background for (var i = 0; i < 10; i++) { var roadSegment = LK.getAsset('road', { anchorX: 0.5, anchorY: 0 }); roadSegment.x = 1024; roadSegment.y = i * 400 - 400; roadSegments.push(roadSegment); game.addChild(roadSegment); } // Create road lines for (var i = 0; i < 30; i++) { var roadLine = LK.getAsset('roadLine', { anchorX: 0.5, anchorY: 0 }); roadLine.x = 1024; roadLine.y = i * 150 - 300; roadLines.push(roadLine); game.addChild(roadLine); } // Create car car = game.addChild(new Car()); car.x = 1024; car.y = 2200; // UI Elements var healthBar = new Text2('Health: 100', { size: 60, fill: 0xFF4444 }); healthBar.anchor.set(0, 0); LK.gui.topLeft.addChild(healthBar); healthBar.x = 120; healthBar.y = 20; var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); var upgradeText = new Text2('Scrap:0 Armor:0 Weapons:0', { size: 50, fill: 0x00FF00 }); upgradeText.anchor.set(1, 0); LK.gui.topRight.addChild(upgradeText); upgradeText.x = -20; upgradeText.y = 20; function updateUpgradeDisplay() { upgradeText.setText('Scrap:' + scrapCount + ' Armor:' + armorCount + ' Weapons:' + weaponCount); } function spawnZombie() { var zombieType = 'normal'; var rand = Math.random(); if (LK.ticks > 1800) { // After 30 seconds if (rand < 0.2) zombieType = 'fast';else if (rand < 0.35) zombieType = 'tank'; } var zombie = new Zombie(zombieType); zombie.x = Math.random() * 1800 + 124; zombie.y = -50; zombies.push(zombie); game.addChild(zombie); } function spawnPickup() { var pickupTypes = ['scrap', 'armor', 'weapon']; var pickupType = pickupTypes[Math.floor(Math.random() * pickupTypes.length)]; var pickup = new Pickup(pickupType); pickup.x = Math.random() * 1800 + 124; pickup.y = -50; pickups.push(pickup); game.addChild(pickup); } function spawnObstacle() { var obstacle = new Obstacle(); obstacle.x = Math.random() * 1800 + 124; obstacle.y = -50; obstacles.push(obstacle); game.addChild(obstacle); } function spawnBoss() { var boss = new Boss(); boss.x = 1024; // Center of screen boss.y = -100; bosses.push(boss); // Add to separate bosses array game.addChild(boss); LK.effects.flashScreen(0xFF0000, 500); // Red screen flash when boss spawns } // Touch controls game.down = function (x, y, obj) { dragActive = true; }; game.move = function (x, y, obj) { if (dragActive) { car.x = Math.max(124, Math.min(1924, x)); } }; game.up = function (x, y, obj) { dragActive = false; }; game.update = function () { // Update road movement for (var i = 0; i < roadSegments.length; i++) { roadSegments[i].y += roadSpeed; if (roadSegments[i].y > 2732) { roadSegments[i].y -= 4000; } } for (var i = 0; i < roadLines.length; i++) { roadLines[i].y += roadSpeed; if (roadLines[i].y > 2732) { roadLines[i].y -= 4500; } } // Spawn zombies spawnTimer++; var spawnRate = Math.max(30, 120 - Math.floor(LK.ticks / 600) * 10); if (spawnTimer >= spawnRate) { spawnZombie(); spawnTimer = 0; } // Spawn pickups pickupTimer++; if (pickupTimer >= 180) { spawnPickup(); pickupTimer = 0; } // Spawn obstacles obstacleTimer++; if (obstacleTimer >= 240) { spawnObstacle(); obstacleTimer = 0; } // Increase difficulty over time difficultyTimer++; if (difficultyTimer >= 600) { // Every 10 seconds roadSpeed += 0.2; difficultyTimer = 0; } // Update score based on survival time if (LK.ticks % 60 === 0) { LK.setScore(LK.getScore() + 1); } // Spawn boss every 100 points var currentScore = LK.getScore(); if (currentScore >= lastBossScore + 100 && currentScore > 0) { spawnBoss(); lastBossScore = Math.floor(currentScore / 100) * 100; } // Update UI healthBar.setText('Health: ' + Math.max(0, car.health)); scoreText.setText('Score: ' + LK.getScore()); }; // Start background music LK.playMusic('bgmusic');