/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Building = Container.expand(function () { var self = Container.call(this); var buildingGraphics = self.attachAsset('building', { anchorX: 0.5, anchorY: 0.5 }); self.health = 200; self.maxHealth = 200; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; } LK.effects.flashObject(self, 0xFF0000, 500); return false; }; 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 = 8; self.targetX = 0; self.targetY = 0; self.damage = 25; self.setTarget = function (x, y) { self.targetX = x; self.targetY = y; var dx = x - self.x; var dy = y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); 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 enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.speed = 1.5; self.coinValue = 10; self.targetX = 1024; self.targetY = 1366; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; } return false; }; self.update = function () { 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; }); var Tower = Container.expand(function () { var self = Container.call(this); self.range = 200; self.damage = 80; self.fireRate = 50; self.lastFired = 0; self.cost = 50; self.towerType = 'basic'; var towerGraphics = self.attachAsset('basicTower', { anchorX: 0.5, anchorY: 0.5 }); self.canFire = function () { var adjustedFireRate = Math.max(10, self.fireRate - (level - 1) * 5); return LK.ticks - self.lastFired >= adjustedFireRate; }; self.findTarget = function () { var closestEnemy = null; var closestDistance = self.range; for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var dx = enemy.x - self.x; var dy = enemy.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < closestDistance) { closestDistance = distance; closestEnemy = enemy; } } return closestEnemy; }; self.fire = function (target) { if (!self.canFire()) return; var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; bullet.damage = self.damage; bullet.setTarget(target.x, target.y); bullets.push(bullet); game.addChild(bullet); self.lastFired = LK.ticks; LK.getSound('shoot').play(); }; self.update = function () { var target = self.findTarget(); if (target) { self.fire(target); } }; return self; }); var RapidTower = Tower.expand(function () { var self = Tower.call(this); self.removeChild(self.children[0]); var rapidGraphics = self.attachAsset('rapidTower', { anchorX: 0.5, anchorY: 0.5 }); self.range = 150; self.damage = 40; self.fireRate = 15; self.cost = 75; self.towerType = 'rapid'; self.canFire = function () { var adjustedFireRate = Math.max(5, self.fireRate - (level - 1) * 2); return LK.ticks - self.lastFired >= adjustedFireRate; }; self.fire = function (target) { if (!self.canFire()) return; var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; bullet.damage = self.damage; bullet.setTarget(target.x, target.y); bullets.push(bullet); game.addChild(bullet); self.lastFired = LK.ticks; LK.getSound('shoot').play(); }; self.findTarget = function () { var closestEnemy = null; var closestDistance = self.range; for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var dx = enemy.x - self.x; var dy = enemy.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < closestDistance) { closestDistance = distance; closestEnemy = enemy; } } return closestEnemy; }; self.update = function () { var target = self.findTarget(); if (target) { self.fire(target); } }; return self; }); var HeavyTower = Tower.expand(function () { var self = Tower.call(this); self.removeChild(self.children[0]); var heavyGraphics = self.attachAsset('heavyTower', { anchorX: 0.5, anchorY: 0.5 }); self.range = 350; self.damage = 200; self.fireRate = 120; self.cost = 100; self.towerType = 'heavy'; self.canFire = function () { var adjustedFireRate = Math.max(20, self.fireRate - (level - 1) * 10); return LK.ticks - self.lastFired >= adjustedFireRate; }; self.fire = function (target) { if (!self.canFire()) return; var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; bullet.damage = self.damage; bullet.setTarget(target.x, target.y); bullets.push(bullet); game.addChild(bullet); self.lastFired = LK.ticks; LK.getSound('shoot').play(); }; self.findTarget = function () { var closestEnemy = null; var closestDistance = self.range; for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var dx = enemy.x - self.x; var dy = enemy.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < closestDistance) { closestDistance = distance; closestEnemy = enemy; } } return closestEnemy; }; self.update = function () { var target = self.findTarget(); if (target) { self.fire(target); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2F4F2F }); /**** * Game Code ****/ var building; var towers = []; var enemies = []; var bullets = []; var coins = 500; var wave = 1; var enemiesInWave = 5; var enemiesSpawned = 0; var waveActive = false; var spawnTimer = 0; var selectedTowerType = 'basic'; var showingRange = false; var rangeIndicator = null; var lives = 3; var level = 1; // Initialize building at center building = game.addChild(new Building()); building.x = 1024; building.y = 1366; // UI Elements var coinsText = new Text2('Gold: ' + coins, { size: 60, fill: 0xFFD700 }); coinsText.anchor.set(1, 0); coinsText.x = -20; coinsText.y = 120; LK.gui.topRight.addChild(coinsText); var waveText = new Text2('Wave: ' + wave, { size: 60, fill: 0xFFFFFF }); waveText.anchor.set(0.5, 0); LK.gui.top.addChild(waveText); var healthText = new Text2('Health: ' + building.health, { size: 60, fill: 0xFF0000 }); healthText.anchor.set(0, 0); LK.gui.bottomLeft.addChild(healthText); var livesText = new Text2('Lives: ' + lives, { size: 60, fill: 0xFF6347 }); livesText.anchor.set(0, 0); livesText.y = 80; LK.gui.bottomLeft.addChild(livesText); var levelText = new Text2('Level: ' + level, { size: 60, fill: 0x00FFFF }); levelText.anchor.set(0, 0); levelText.y = 160; LK.gui.bottomLeft.addChild(levelText); // Tower selection buttons var basicButton = new Text2('Basic (50)', { size: 40, fill: 0x00FF00 }); basicButton.anchor.set(0.5, 1); LK.gui.bottom.addChild(basicButton); var heavyButton = new Text2('Heavy (100)', { size: 40, fill: 0x0000FF }); heavyButton.anchor.set(0.5, 1); heavyButton.y = -80; LK.gui.bottom.addChild(heavyButton); var rapidButton = new Text2('Rapid (75)', { size: 40, fill: 0xFFFF00 }); rapidButton.anchor.set(0.5, 1); rapidButton.y = -160; LK.gui.bottom.addChild(rapidButton); // Button interactions basicButton.down = function () { selectedTowerType = 'basic'; updateButtonColors(); }; heavyButton.down = function () { selectedTowerType = 'heavy'; updateButtonColors(); }; rapidButton.down = function () { selectedTowerType = 'rapid'; updateButtonColors(); }; function updateButtonColors() { basicButton.tint = selectedTowerType === 'basic' ? 0xFFFFFF : 0x888888; heavyButton.tint = selectedTowerType === 'heavy' ? 0xFFFFFF : 0x888888; rapidButton.tint = selectedTowerType === 'rapid' ? 0xFFFFFF : 0x888888; } updateButtonColors(); function spawnEnemy() { var enemy = new Enemy(); // Spawn from random edge var side = Math.floor(Math.random() * 4); switch (side) { case 0: // Top enemy.x = Math.random() * 2048; enemy.y = -30; break; case 1: // Right enemy.x = 2078; enemy.y = Math.random() * 2732; break; case 2: // Bottom enemy.x = Math.random() * 2048; enemy.y = 2762; break; case 3: // Left enemy.x = -30; enemy.y = Math.random() * 2732; break; } enemy.targetX = building.x; enemy.targetY = building.y; enemy.health = 50 + wave * 40 + level * 50; enemy.maxHealth = enemy.health; enemy.speed = 1.5 + level * 0.5; enemy.coinValue = 10; enemies.push(enemy); game.addChild(enemy); } function startWave() { if (!waveActive) { waveActive = true; enemiesSpawned = 0; enemiesInWave = 5 + wave * 3 + level * 2; spawnTimer = 0; } } function canPlaceTower(x, y) { // Check if position is too close to building var dx = x - building.x; var dy = y - building.y; if (Math.sqrt(dx * dx + dy * dy) < 150) { return false; } // Check if position overlaps with existing towers for (var i = 0; i < towers.length; i++) { var tower = towers[i]; var tdx = x - tower.x; var tdy = y - tower.y; if (Math.sqrt(tdx * tdx + tdy * tdy) < 100) { return false; } } return true; } function getTowerCost(type) { switch (type) { case 'basic': return 50; case 'heavy': return 100; case 'rapid': return 75; default: return 50; } } function placeTower(x, y, type) { var cost = getTowerCost(type); if (coins < cost) return false; if (!canPlaceTower(x, y)) return false; var tower; switch (type) { case 'heavy': tower = new HeavyTower(); break; case 'rapid': tower = new RapidTower(); break; default: tower = new Tower(); break; } tower.x = x; tower.y = y; towers.push(tower); game.addChild(tower); coins -= cost; coinsText.setText('Gold: ' + coins); return true; } // Game input handling game.down = function (x, y, obj) { placeTower(x, y, selectedTowerType); }; // Start first wave startWave(); game.update = function () { // Wave spawning if (waveActive && enemiesSpawned < enemiesInWave) { spawnTimer++; if (spawnTimer >= 90) { // Spawn every 1.5 seconds spawnEnemy(); enemiesSpawned++; spawnTimer = 0; } } // Check if wave is complete if (waveActive && enemiesSpawned >= enemiesInWave && enemies.length === 0) { waveActive = false; wave++; level++; waveText.setText('Wave: ' + wave); levelText.setText('Level: ' + level); // Start next wave after delay LK.setTimeout(function () { startWave(); }, 3000); } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; // Check if bullet is off screen if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check bullet-enemy collisions var hit = false; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { var killed = enemy.takeDamage(bullet.damage); if (killed) { coins += enemy.coinValue; coinsText.setText('Gold: ' + coins); enemy.destroy(); enemies.splice(j, 1); LK.getSound('enemyHit').play(); } bullet.destroy(); bullets.splice(i, 1); hit = true; break; } } } // Update enemies for (var k = enemies.length - 1; k >= 0; k--) { var enemy = enemies[k]; // Check if enemy reached building if (enemy.intersects(building)) { lives--; livesText.setText('Lives: ' + lives); enemy.destroy(); enemies.splice(k, 1); LK.getSound('buildingHit').play(); LK.effects.flashObject(building, 0xFF0000, 500); if (lives <= 0) { LK.showGameOver(); return; } } } // Check victory condition (survived 10 waves) if (wave > 10 && !waveActive && enemies.length === 0) { LK.showYouWin(); } };