/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.directionX = 0; self.directionY = 0; self.isDestroyed = false; self.update = function () { if (self.isDestroyed) return; self.x += self.directionX * self.speed; self.y += self.directionY * self.speed; // Remove if off screen if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) { self.isDestroyed = true; self.shouldRemove = true; } }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); // Add weapon visual var weapon = self.attachAsset('gun', { anchorX: 0.5, anchorY: 1, scaleX: 1, scaleY: 1, y: -25 }); self.aimAtPoint = function (targetX, targetY) { var dx = targetX - self.x; var dy = targetY - self.y; var angle = Math.atan2(dy, dx) - Math.PI / 2; weapon.rotation = angle; }; return self; }); var Zombie = Container.expand(function () { var self = Container.call(this); // Choose random zombie type var zombieTypes = ['zombie1', 'zombie2', 'zombie3', 'zombie4']; var zombieType = zombieTypes[Math.floor(Math.random() * zombieTypes.length)]; var zombieGraphics = self.attachAsset(zombieType, { anchorX: 0.5, anchorY: 0.5 }); // Varying speeds based on zombie type var speedVariations = [1.5, 1.2, 1.8, 1.1]; var typeIndex = zombieTypes.indexOf(zombieType); self.speed = speedVariations[typeIndex] + (Math.random() * 0.4 - 0.2); // Add small random variation self.targetX = 1024; self.targetY = 1366; self.isDestroyed = false; self.update = function () { if (self.isDestroyed) return; // Move toward center var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 5) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2F4F4F }); /**** * Game Code ****/ // Create bright blue sky var sky = game.addChild(LK.getAsset('sky', { anchorX: 0, anchorY: 0, x: 0, y: 0, tint: 0x87CEEB })); // Add sun var sun = game.addChild(LK.getAsset('leaves', { anchorX: 0.5, anchorY: 0.5, x: 1700, y: 250, scaleX: 1.5, scaleY: 1.5, tint: 0xFFD700 })); // Add ground layer var ground = game.addChild(LK.getAsset('ground', { anchorX: 0, anchorY: 0, x: 0, y: 1366, tint: 0x8B4513 })); // Add grass layer var grass = game.addChild(LK.getAsset('grass', { anchorX: 0, anchorY: 0, x: 0, y: 1166, tint: 0x228B22 })); // Add forest trees var treePositions = [150, 350, 550, 750, 950, 1150, 1350, 1550, 1750, 1950]; for (var t = 0; t < treePositions.length; t++) { var treeX = treePositions[t]; var treeHeight = 180 + Math.random() * 80; var tree = game.addChild(LK.getAsset('tree', { anchorX: 0.5, anchorY: 1, x: treeX, y: 1366, scaleX: 1.2 + Math.random() * 0.8, scaleY: treeHeight / 200, tint: 0x8B4513 })); // Add green leaves to trees var leaves = game.addChild(LK.getAsset('leaves', { anchorX: 0.5, anchorY: 0.5, x: treeX, y: 1366 - treeHeight + 60, scaleX: 1.3 + Math.random() * 0.5, scaleY: 1.3 + Math.random() * 0.5, tint: 0x228B22 })); } // Game variables var zombies = []; var bullets = []; var player; var scoreTxt; var highScoreTxt; var bulletCountTxt; var bulletCount = 3; // Start with 3 bullets var highScore = storage.highScore || 0; var zombieSpawnRate = 120; // Spawn every 2 seconds initially var zombieSpeed = 1.5; var lastZombieSpawn = 0; var lastShot = 0; var shootCooldown = 15; // 15 frames between shots (4 shots per second) var lastSpeedIncrease = 0; var speedIncreaseInterval = 60; // 1 second at 60fps // Create player at center player = game.addChild(new Player()); player.x = 1024; player.y = 1366; // Create score display scoreTxt = new Text2('0', { size: 100, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); scoreTxt.y = 100; // Create high score display highScoreTxt = new Text2('Best Point: ' + highScore, { size: 60, fill: 0xFFD700 }); highScoreTxt.anchor.set(1, 0); LK.gui.topRight.addChild(highScoreTxt); highScoreTxt.x = -120; highScoreTxt.y = 50; // Create bullet count display bulletCountTxt = new Text2('Bullets: ' + bulletCount, { size: 60, fill: 0xFFFFFF }); bulletCountTxt.anchor.set(0, 0); LK.gui.topLeft.addChild(bulletCountTxt); bulletCountTxt.x = 120; bulletCountTxt.y = 50; // Shooting function function shootBullet(targetX, targetY) { if (LK.ticks - lastShot < shootCooldown) return; if (bulletCount <= 0) return; // Can't shoot if no bullets left var bullet = new Bullet(); bullet.x = player.x; bullet.y = player.y; // Calculate direction var dx = targetX - player.x; var dy = targetY - player.y; var distance = Math.sqrt(dx * dx + dy * dy); bullet.directionX = dx / distance; bullet.directionY = dy / distance; bullets.push(bullet); game.addChild(bullet); LK.getSound('gunShot').play(); lastShot = LK.ticks; bulletCount--; // Decrease bullet count bulletCountTxt.setText('Bullets: ' + bulletCount); // Update display } // Touch/click controls game.down = function (x, y, obj) { player.aimAtPoint(x, y); shootBullet(x, y); }; function spawnZombie() { var zombie = new Zombie(); // Spawn only from bottom of the map zombie.x = Math.random() * 2048; zombie.y = 2772; zombie.speed = zombieSpeed; zombies.push(zombie); game.addChild(zombie); LK.getSound('zombieSpawn').play(); } function checkBulletCollisions() { for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; if (bullet.isDestroyed) continue; for (var j = 0; j < zombies.length; j++) { var zombie = zombies[j]; if (zombie.isDestroyed) continue; var dx = bullet.x - zombie.x; var dy = bullet.y - zombie.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 75) { // Hit zombie bullet.isDestroyed = true; bullet.shouldRemove = true; zombie.isDestroyed = true; LK.getSound('zombieHit').play(); // Add random coin reward between 52-56 var coinReward = Math.floor(Math.random() * 5) + 52; // Random between 52-56 LK.setScore(LK.getScore() + coinReward); scoreTxt.setText(LK.getScore()); // Add 1 bullet reward bulletCount += 1; bulletCountTxt.setText('Bullets: ' + bulletCount); // Update high score if current score is higher if (LK.getScore() > highScore) { highScore = LK.getScore(); storage.highScore = highScore; highScoreTxt.setText('Best Point: ' + highScore); } // Create explosion effect var explosion = game.addChild(LK.getAsset('explosion', { anchorX: 0.5, anchorY: 0.5, x: zombie.x, y: zombie.y, scaleX: 0.1, scaleY: 0.1 })); // Animate explosion tween(explosion, { scaleX: 2, scaleY: 2, alpha: 0 }, { duration: 300, easing: tween.easeOut, onFinish: function onFinish() { explosion.destroy(); } }); // Mark zombie for removal for (var k = 0; k < zombies.length; k++) { if (zombies[k] === zombie) { zombies[k].shouldRemove = true; break; } } break; } } } } function checkGameOver() { for (var i = 0; i < zombies.length; i++) { var zombie = zombies[i]; if (zombie.isDestroyed) continue; var dx = zombie.x - player.x; var dy = zombie.y - player.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 50) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } } } game.update = function () { // Increase zombie speed every 1 second and spawn more zombies if (LK.ticks - lastSpeedIncrease > speedIncreaseInterval) { zombieSpeed += 0.1; // Increase speed by 0.1 // Decrease spawn rate to spawn zombies more frequently (lower value = more frequent spawning) if (zombieSpawnRate > 30) { // Don't go below 30 frames (0.5 seconds) zombieSpawnRate -= 5; // Spawn zombies 5 frames sooner each time } // Update existing zombies' speed for (var i = 0; i < zombies.length; i++) { if (!zombies[i].isDestroyed) { zombies[i].speed = zombieSpeed + (Math.random() * 0.4 - 0.2); } } lastSpeedIncrease = LK.ticks; } // Spawn zombies if (LK.ticks - lastZombieSpawn > zombieSpawnRate) { spawnZombie(); lastZombieSpawn = LK.ticks; } // Clean up destroyed bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; if (bullet.shouldRemove) { bullet.destroy(); bullets.splice(i, 1); } } // Clean up destroyed zombies for (var i = zombies.length - 1; i >= 0; i--) { var zombie = zombies[i]; if (zombie.shouldRemove) { zombie.destroy(); zombies.splice(i, 1); } } // Check bullet collisions checkBulletCollisions(); // Check for game over checkGameOver(); };