/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.damage = 1; self.range = 400; self.distanceTraveled = 0; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; self.distanceTraveled += Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY); if (self.distanceTraveled > self.range) { self.shouldDestroy = true; } }; return self; }); var Enemy = Container.expand(function (type) { var self = Container.call(this); self.type = type || 'triangle'; self.health = 1; self.maxHealth = 1; self.speed = 1; self.damage = 10; self.points = 10; var assetName = 'triangle'; if (self.type === 'square') { assetName = 'square'; self.health = 2; self.maxHealth = 2; self.points = 20; self.speed = 0.8; } else if (self.type === 'pentagon') { assetName = 'pentagon'; self.health = 3; self.maxHealth = 3; self.points = 30; self.speed = 0.6; } else if (self.type === 'hexagon') { assetName = 'hexagon'; self.health = 5; self.maxHealth = 5; self.points = 50; self.speed = 0.4; } else if (self.type === 'yedigen') { assetName = 'yedigen'; self.health = 7; self.maxHealth = 7; self.points = 70; self.speed = 0.3; } else if (self.type === 'officer') { assetName = 'officer'; self.health = 15; self.maxHealth = 15; self.points = 150; self.speed = 0.2; } else if (self.type === 'rectangle') { assetName = 'rectangle'; self.health = 4; self.maxHealth = 4; self.points = 40; self.speed = 0.5; } var enemyGraphics = self.attachAsset(assetName, { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.lastShot = 0; self.fireRate = 120; // frames between shots self.fireRange = 250; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xffffff, 100); if (self.health <= 0) { self.shouldDestroy = true; LK.setScore(LK.getScore() + self.points); LK.getSound('enemyHit').play(); // Rectangle death behavior - shoot 10 bullets in all directions if (self.type === 'rectangle') { for (var bulletIndex = 0; bulletIndex < 10; bulletIndex++) { var bullet = game.addChild(new Bullet()); bullet.x = self.x; bullet.y = self.y; bullet.damage = 1; bullet.isEnemyBullet = true; var angle = bulletIndex / 10 * Math.PI * 2; var speed = 6; bullet.velocityX = Math.cos(angle) * speed; bullet.velocityY = Math.sin(angle) * speed; bullets.push(bullet); } } } }; self.shootAtTank = function () { var bullet = game.addChild(new Bullet()); bullet.x = self.x; bullet.y = self.y; bullet.damage = 1; bullet.isEnemyBullet = true; var angle = getAngle(self, tank); var speed = 8; bullet.velocityX = Math.cos(angle) * speed; bullet.velocityY = Math.sin(angle) * speed; bullets.push(bullet); }; self.update = function () { // Move towards tank var dx = tank.x - self.x; var dy = tank.y - 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.x += self.velocityX; self.y += self.velocityY; // Yedigen shooting behavior if (self.type === 'yedigen') { var distanceToTank = Math.sqrt(dx * dx + dy * dy); if (distanceToTank <= self.fireRange && gameTime - self.lastShot >= self.fireRate) { self.shootAtTank(); self.lastShot = gameTime; } } // Officer shooting behavior if (self.type === 'officer') { var distanceToTank = Math.sqrt(dx * dx + dy * dy); if (distanceToTank <= self.fireRange && gameTime - self.lastShot >= 60) { // Shoot 2 bullets in spread pattern for (var bulletAngle = -0.2; bulletAngle <= 0.2; bulletAngle += 0.4) { var bullet = game.addChild(new Bullet()); bullet.x = self.x; bullet.y = self.y; bullet.damage = 2; bullet.isEnemyBullet = true; var angle = getAngle(self, tank) + bulletAngle; var speed = 8; bullet.velocityX = Math.cos(angle) * speed; bullet.velocityY = Math.sin(angle) * speed; bullets.push(bullet); } self.lastShot = gameTime; } } }; return self; }); var PowerUp = Container.expand(function (type) { var self = Container.call(this); self.type = type || 'fireRate'; var powerupGraphics = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); // Different colors for different power-up types if (self.type === 'damage') { powerupGraphics.tint = 0xff0000; } else if (self.type === 'speed') { powerupGraphics.tint = 0x0000ff; } else if (self.type === 'health') { powerupGraphics.tint = 0x00ff00; } self.lifeTime = 0; self.maxLifeTime = 600; // 10 seconds at 60fps self.update = function () { self.lifeTime++; if (self.lifeTime > self.maxLifeTime) { self.shouldDestroy = true; } // Pulsing effect var scale = 1 + Math.sin(self.lifeTime * 0.1) * 0.2; powerupGraphics.scaleX = scale; powerupGraphics.scaleY = scale; }; return self; }); var Tank = Container.expand(function () { var self = Container.call(this); var tankGraphics = self.attachAsset('tank', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.fireRate = 30; // frames between shots self.damage = 1; self.speed = 5; self.lastShot = 0; self.fireRange = 300; self.healthRegenRate = 0; self.healthRegenTimer = 0; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } else { LK.effects.flashObject(self, 0xff0000, 200); } }; self.update = function () { if (self.healthRegenRate > 0) { self.healthRegenTimer++; if (self.healthRegenTimer >= 60) { // Every second self.health = Math.min(self.maxHealth, self.health + self.healthRegenRate); self.healthRegenTimer = 0; } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a1a1a }); /**** * Game Code ****/ // Game variables var tank; var bullets = []; var enemies = []; var powerups = []; var arena; var arenaRadius = 600; var gameTime = 0; var waveLevel = 1; var enemySpawnTimer = 0; var powerupSpawnTimer = 0; var dragNode = null; var lastHealthPowerupScore = 0; var lastOfficerSpawnScore = 0; // UI var scoreTxt = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var healthTxt = new Text2('Health: 100', { size: 60, fill: 0xFF0000 }); healthTxt.anchor.set(0, 0); healthTxt.x = 120; healthTxt.y = 120; LK.gui.topLeft.addChild(healthTxt); // Create arena arena = game.addChild(LK.getAsset('arena', { anchorX: 0.5, anchorY: 0.5, x: 1024, y: 1366 })); // Create tank tank = game.addChild(new Tank()); tank.x = 1024; tank.y = 1366; // Utility functions function getDistance(obj1, obj2) { var dx = obj1.x - obj2.x; var dy = obj1.y - obj2.y; return Math.sqrt(dx * dx + dy * dy); } function getAngle(from, to) { return Math.atan2(to.y - from.y, to.x - from.x); } function isInsideArena(obj) { return getDistance(obj, arena) <= arenaRadius; } function spawnEnemy() { var types = ['triangle', 'square', 'pentagon', 'hexagon', 'yedigen', 'rectangle']; var type = types[Math.floor(Math.random() * types.length)]; var enemy = game.addChild(new Enemy(type)); // Spawn at random position on arena edge var angle = Math.random() * Math.PI * 2; enemy.x = arena.x + Math.cos(angle) * (arenaRadius - 50); enemy.y = arena.y + Math.sin(angle) * (arenaRadius - 50); enemies.push(enemy); } function spawnPowerUp() { var types = ['fireRate', 'damage', 'speed', 'health']; var type = types[Math.floor(Math.random() * types.length)]; var powerup = game.addChild(new PowerUp(type)); // Spawn at random position inside arena var angle = Math.random() * Math.PI * 2; var radius = Math.random() * (arenaRadius - 100); powerup.x = arena.x + Math.cos(angle) * radius; powerup.y = arena.y + Math.sin(angle) * radius; powerups.push(powerup); } function fireBullet() { if (gameTime - tank.lastShot < tank.fireRate) return; // Find nearest enemy var nearestEnemy = null; var nearestDistance = tank.fireRange; for (var i = 0; i < enemies.length; i++) { var distance = getDistance(tank, enemies[i]); if (distance < nearestDistance) { nearestDistance = distance; nearestEnemy = enemies[i]; } } if (nearestEnemy) { var bullet = game.addChild(new Bullet()); bullet.x = tank.x; bullet.y = tank.y; bullet.damage = tank.damage; var angle = getAngle(tank, nearestEnemy); var speed = 10; bullet.velocityX = Math.cos(angle) * speed; bullet.velocityY = Math.sin(angle) * speed; bullets.push(bullet); tank.lastShot = gameTime; LK.getSound('shoot').play(); } } function applyPowerUp(type) { if (type === 'fireRate') { tank.fireRate = Math.max(10, tank.fireRate * 0.8); LK.effects.flashObject(tank, 0x00ff00, 300); } else if (type === 'damage') { tank.damage += 1; LK.effects.flashObject(tank, 0xff0000, 300); } else if (type === 'speed') { tank.speed += 1; LK.effects.flashObject(tank, 0x0000ff, 300); } else if (type === 'health') { tank.health = Math.min(tank.maxHealth, tank.health + 20); tank.healthRegenRate = Math.min(5, tank.healthRegenRate + 1); LK.effects.flashObject(tank, 0x00ff00, 500); } LK.getSound('powerup').play(); } // Event handlers game.down = function (x, y, obj) { dragNode = tank; tank.x = x; tank.y = y; // Keep tank inside arena var distanceFromCenter = getDistance(tank, arena); if (distanceFromCenter > arenaRadius - 60) { var angle = getAngle(arena, tank); tank.x = arena.x + Math.cos(angle) * (arenaRadius - 60); tank.y = arena.y + Math.sin(angle) * (arenaRadius - 60); } }; game.move = function (x, y, obj) { if (dragNode) { tank.x = x; tank.y = y; // Keep tank inside arena var distanceFromCenter = getDistance(tank, arena); if (distanceFromCenter > arenaRadius - 60) { var angle = getAngle(arena, tank); tank.x = arena.x + Math.cos(angle) * (arenaRadius - 60); tank.y = arena.y + Math.sin(angle) * (arenaRadius - 60); } } }; game.up = function (x, y, obj) { dragNode = null; }; // Main game loop game.update = function () { gameTime++; // Update score display scoreTxt.setText('Score: ' + LK.getScore()); healthTxt.setText('Health: ' + tank.health); // Fire bullets fireBullet(); // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; if (bullet.shouldDestroy || !isInsideArena(bullet)) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check bullet-enemy collisions (only for tank bullets) if (!bullet.isEnemyBullet) { for (var j = enemies.length - 1; j >= 0; j--) { if (bullet.intersects(enemies[j])) { enemies[j].takeDamage(bullet.damage); bullet.shouldDestroy = true; break; } } } else { // Check enemy bullet-tank collision if (bullet.intersects(tank)) { tank.takeDamage(bullet.damage); bullet.shouldDestroy = true; } } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.shouldDestroy) { enemy.destroy(); enemies.splice(i, 1); continue; } // Check tank-enemy collision if (enemy.intersects(tank)) { tank.takeDamage(enemy.damage); enemy.shouldDestroy = true; } } // Update powerups for (var i = powerups.length - 1; i >= 0; i--) { var powerup = powerups[i]; if (powerup.shouldDestroy) { powerup.destroy(); powerups.splice(i, 1); continue; } // Check tank-powerup collision if (powerup.intersects(tank)) { applyPowerUp(powerup.type); powerup.destroy(); powerups.splice(i, 1); } } // Spawn enemies enemySpawnTimer++; var spawnRate = Math.max(60, 180 - Math.floor(gameTime / 600) * 20); if (enemySpawnTimer >= spawnRate) { spawnEnemy(); enemySpawnTimer = 0; } // Spawn powerups powerupSpawnTimer++; if (powerupSpawnTimer >= 900) { // Every 15 seconds spawnPowerUp(); powerupSpawnTimer = 0; } // Spawn health power-up every 500 points var currentScore = LK.getScore(); if (currentScore >= lastHealthPowerupScore + 500 && currentScore > 0) { var healthPowerup = game.addChild(new PowerUp('health')); // Spawn at random position inside arena var angle = Math.random() * Math.PI * 2; var radius = Math.random() * (arenaRadius - 100); healthPowerup.x = arena.x + Math.cos(angle) * radius; healthPowerup.y = arena.y + Math.sin(angle) * radius; powerups.push(healthPowerup); lastHealthPowerupScore = Math.floor(currentScore / 500) * 500; } // Spawn officer after reaching 1000 points if (currentScore >= 1000 && currentScore >= lastOfficerSpawnScore + 1000) { var officer = game.addChild(new Enemy('officer')); var angle = Math.random() * Math.PI * 2; officer.x = arena.x + Math.cos(angle) * (arenaRadius - 50); officer.y = arena.y + Math.sin(angle) * (arenaRadius - 50); enemies.push(officer); lastOfficerSpawnScore = Math.floor(currentScore / 1000) * 1000; LK.effects.flashScreen(0xff0000, 500); } // Increase difficulty over time if (gameTime % 1800 === 0) { // Every 30 seconds waveLevel++; } };