/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bullet = Container.expand(function () { var self = Container.call(this); self.speed = 12; self.damage = 1; self.directionX = 0; self.directionY = 0; var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x += self.directionX * self.speed; self.y += self.directionY * self.speed; }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); self.health = 2; self.speed = 2; self.fireRate = 60; // Fire every 60 ticks (faster shooting) self.lastFire = 0; self.damage = 10; var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xFFFFFF, 100); if (self.health <= 0) { return true; // Enemy died } return false; }; self.canFire = function () { return LK.ticks - self.lastFire >= self.fireRate; }; self.fire = function () { if (self.canFire()) { self.lastFire = LK.ticks; return true; } return false; }; self.update = function () { if (warrior) { // Move towards warrior var dx = warrior.x - self.x; var dy = warrior.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; } } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); self.speed = 12; self.damage = 15; self.directionX = 0; self.directionY = 0; var bulletGraphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x += self.directionX * self.speed; self.y += self.directionY * self.speed; }; return self; }); var Meteor = Container.expand(function () { var self = Container.call(this); self.speed = 8; self.damage = 20; self.rotationSpeed = 0.1; var meteorGraphics = self.attachAsset('meteor', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.y += self.speed; self.rotation += self.rotationSpeed; }; return self; }); var Warrior = Container.expand(function () { var self = Container.call(this); self.maxHealth = 100; self.health = self.maxHealth; self.fireRate = 30; // Fire every 30 ticks self.lastFire = 0; self.speed = 8; var warriorGraphics = self.attachAsset('warrior', { anchorX: 0.5, anchorY: 0.5 }); self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; LK.effects.flashObject(self, 0xFF0000, 500); } else { LK.effects.flashObject(self, 0xFF0000, 200); } updateHealthBar(); }; self.canFire = function () { return LK.ticks - self.lastFire >= self.fireRate; }; self.fire = function () { if (self.canFire()) { self.lastFire = LK.ticks; return true; } return false; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1A1A1A }); /**** * Game Code ****/ var warrior; var enemies = []; var bullets = []; var enemyBullets = []; var arenaRadius = 700; var arenaCenter = { x: 2048 / 2, y: 2732 / 2 }; var waveNumber = 1; var enemiesPerWave = 3; var nextWaveTimer = 0; var waveSpawnTimer = 0; var arenaShrintTimer = 0; var minArenaRadius = 200; var dragNode = null; var currentLevel = 1; var maxLevel = 100; var pointsPerLevel = 200; var meteors = []; var meteorSpawnTimer = 0; var meteorSpawnRate = 180; // Spawn meteor every 3 seconds initially // Create arena background var arenaBackground = game.addChild(LK.getAsset('arenaBackground', { anchorX: 0.5, anchorY: 0.5, x: arenaCenter.x, y: arenaCenter.y })); // Create arena var arena = game.addChild(LK.getAsset('arena', { anchorX: 0.5, anchorY: 0.5, x: arenaCenter.x, y: arenaCenter.y })); // Create warrior warrior = game.addChild(new Warrior()); warrior.x = arenaCenter.x; warrior.y = arenaCenter.y; // UI Elements var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(0, 0); scoreText.x = 120; scoreText.y = 50; LK.gui.topLeft.addChild(scoreText); var waveText = new Text2('Wave: 1', { size: 50, fill: 0xFFFFFF }); waveText.anchor.set(0.5, 0); LK.gui.top.addChild(waveText); var levelText = new Text2('Level: 1', { size: 55, fill: 0xFFD700 }); levelText.anchor.set(1, 0); levelText.x = -120; levelText.y = 50; LK.gui.topRight.addChild(levelText); var healthBar = new Text2('Health: 100', { size: 40, fill: 0x00FF00 }); healthBar.anchor.set(0.5, 1); LK.gui.bottom.addChild(healthBar); function updateHealthBar() { healthBar.setText('Health: ' + warrior.health); if (warrior.health <= 30) { healthBar.fill = "#FF0000"; } else if (warrior.health <= 60) { healthBar.fill = "#FFFF00"; } else { healthBar.fill = "#00FF00"; } } function checkLevelUp() { var newLevel = Math.min(Math.floor(LK.getScore() / pointsPerLevel) + 1, maxLevel); if (newLevel > currentLevel) { currentLevel = newLevel; levelText.setText('Level: ' + currentLevel); LK.effects.flashScreen(0x00FF00, 800); // Check if player reached max level if (currentLevel >= maxLevel) { LK.showYouWin(); return; } } } function isInsideArena(x, y) { var dx = x - arenaCenter.x; var dy = y - arenaCenter.y; return Math.sqrt(dx * dx + dy * dy) <= arenaRadius; } function constrainToArena(obj) { var dx = obj.x - arenaCenter.x; var dy = obj.y - arenaCenter.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > arenaRadius) { obj.x = arenaCenter.x + dx / distance * arenaRadius; obj.y = arenaCenter.y + dy / distance * arenaRadius; } } function spawnEnemy() { var enemy = new Enemy(); // Spawn at random position on arena edge var angle = Math.random() * Math.PI * 2; var spawnRadius = arenaRadius + 100; enemy.x = arenaCenter.x + Math.cos(angle) * spawnRadius; enemy.y = arenaCenter.y + Math.sin(angle) * spawnRadius; enemies.push(enemy); game.addChild(enemy); } function fireBullet(fromX, fromY, toX, toY, isEnemy) { var bullet = isEnemy ? new EnemyBullet() : new Bullet(); bullet.x = fromX; bullet.y = fromY; var dx = toX - fromX; var dy = toY - fromY; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { bullet.directionX = dx / distance; bullet.directionY = dy / distance; } if (isEnemy) { enemyBullets.push(bullet); } else { bullets.push(bullet); LK.getSound('shoot').play(); } game.addChild(bullet); } function spawnMeteor() { var meteor = new Meteor(); // Spawn meteor from random position above the screen, but within arena bounds var arenaLeftBound = arenaCenter.x - arenaRadius; var arenaRightBound = arenaCenter.x + arenaRadius; meteor.x = arenaLeftBound + Math.random() * (arenaRightBound - arenaLeftBound); meteor.y = -100; meteors.push(meteor); game.addChild(meteor); } function findNearestEnemy(x, y) { var nearest = null; var minDistance = Infinity; for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var dx = enemy.x - x; var dy = enemy.y - y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < minDistance) { minDistance = distance; nearest = enemy; } } return nearest; } function handleMove(x, y, obj) { if (dragNode) { dragNode.x = x; dragNode.y = y; constrainToArena(dragNode); } } game.move = handleMove; game.down = function (x, y, obj) { dragNode = warrior; handleMove(x, y, obj); }; game.up = function (x, y, obj) { dragNode = null; }; game.update = function () { // Check if warrior is dead if (warrior.health <= 0) { LK.showGameOver(); return; } // Spawn enemies for current wave if (waveSpawnTimer <= 0) { if (enemies.length < enemiesPerWave) { spawnEnemy(); waveSpawnTimer = 60; // Spawn every 60 ticks } } else { waveSpawnTimer--; } // Start next wave if (enemies.length === 0 && nextWaveTimer <= 0) { waveNumber++; enemiesPerWave = Math.min(waveNumber * 2 + 1, 15); nextWaveTimer = 180; // 3 seconds between waves waveText.setText('Wave: ' + waveNumber); } else if (nextWaveTimer > 0) { nextWaveTimer--; } // Shrink arena every 10 waves if (waveNumber % 10 === 0 && arenaShrintTimer <= 0 && arenaRadius > minArenaRadius) { arenaRadius -= 50; arena.width = arenaRadius * 2; arena.height = arenaRadius * 2; arenaShrintTimer = 600; // 10 seconds LK.effects.flashScreen(0xFF0000, 500); } else if (arenaShrintTimer > 0) { arenaShrintTimer--; } // Spawn meteors if (meteorSpawnTimer <= 0) { spawnMeteor(); // Increase meteor spawn rate based on current level meteorSpawnRate = Math.max(60, 180 - currentLevel * 15); meteorSpawnTimer = meteorSpawnRate; } else { meteorSpawnTimer--; } // Update meteors for (var i = meteors.length - 1; i >= 0; i--) { var meteor = meteors[i]; // Remove meteors that have fallen off screen if (meteor.y > 2832) { meteor.destroy(); meteors.splice(i, 1); continue; } // Check collision with warrior if (meteor.intersects(warrior)) { warrior.takeDamage(meteor.damage); LK.getSound('hit').play(); meteor.destroy(); meteors.splice(i, 1); } } // Warrior auto-fire if (warrior.canFire()) { var target = findNearestEnemy(warrior.x, warrior.y); if (target) { var dx = target.x - warrior.x; var dy = target.y - warrior.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 400) { // Only fire if enemy is close enough warrior.fire(); fireBullet(warrior.x, warrior.y, target.x, target.y, false); } } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; // Constrain enemy to arena constrainToArena(enemy); // Enemy firing if (enemy.canFire()) { var dx = warrior.x - enemy.x; var dy = warrior.y - enemy.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 300) { // Only fire if warrior is close enough enemy.fire(); fireBullet(enemy.x, enemy.y, warrior.x, warrior.y, true); } } // Check collision with warrior if (enemy.intersects(warrior)) { warrior.takeDamage(enemy.damage); LK.getSound('hit').play(); enemy.destroy(); enemies.splice(i, 1); } } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; // Remove bullets outside arena if (!isInsideArena(bullet.x, bullet.y)) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check collision with enemies for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { var enemyDied = enemy.takeDamage(bullet.damage); if (enemyDied) { LK.setScore(LK.getScore() + 10); scoreText.setText('Score: ' + LK.getScore()); checkLevelUp(); LK.getSound('enemyHit').play(); enemy.destroy(); enemies.splice(j, 1); } bullet.destroy(); bullets.splice(i, 1); break; } } } // Update enemy bullets for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; // Remove bullets outside arena if (!isInsideArena(bullet.x, bullet.y)) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } // Check collision with warrior if (bullet.intersects(warrior)) { warrior.takeDamage(bullet.damage); LK.getSound('hit').play(); bullet.destroy(); enemyBullets.splice(i, 1); } } // Constrain warrior to arena constrainToArena(warrior); };