/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Building = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('building', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.takeDamage = function (damage) { self.health -= damage; graphics.alpha = self.health / 100; if (self.health <= 0) { return true; } return false; }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.damage = 20; self.vx = 0; self.vy = 0; self.setDirection = function (angle) { self.vx = Math.cos(angle) * self.speed; self.vy = Math.sin(angle) * self.speed; graphics.rotation = angle + Math.PI / 2; }; self.update = function () { self.x += self.vx; self.y += self.vy; }; return self; }); var EnemyTank = Container.expand(function () { var self = Container.call(this); var body = self.attachAsset('enemyTank', { anchorX: 0.5, anchorY: 0.5 }); var turret = self.attachAsset('enemyTurret', { anchorX: 0.5, anchorY: 0.8 }); self.speed = 2; self.health = 50; self.fireRate = 60; self.fireTimer = 0; self.targetX = 0; self.targetY = 0; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xffffff, 200); if (self.health <= 0) { return true; } return false; }; self.update = function () { if (!playerTank) return; var dx = playerTank.x - self.x; var dy = playerTank.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 300) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; } var angle = Math.atan2(dy, dx); body.rotation = angle + Math.PI / 2; turret.rotation = angle + Math.PI / 2; if (self.fireTimer > 0) self.fireTimer--; if (self.fireTimer <= 0 && distance < 800) { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y; bullet.setDirection(angle); enemyBullets.push(bullet); game.addChild(bullet); self.fireTimer = self.fireRate; } }; return self; }); var ExplosiveBarrel = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('explosiveBarrel', { anchorX: 0.5, anchorY: 0.5 }); self.health = 20; self.exploded = false; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xffff00, 200); if (self.health <= 0 && !self.exploded) { self.explode(); return true; } return false; }; self.explode = function () { self.exploded = true; LK.getSound('explosion').play(); LK.effects.flashScreen(0xff6347, 300); for (var i = enemies.length - 1; i >= 0; 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 < 200) { if (enemy.takeDamage(50)) { enemy.destroy(); enemies.splice(i, 1); score += 100; } } } for (var i = turrets.length - 1; i >= 0; i--) { var turret = turrets[i]; var dx = turret.x - self.x; var dy = turret.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < 200) { if (turret.takeDamage(50)) { turret.destroy(); turrets.splice(i, 1); score += 150; } } } }; return self; }); var PlayerBullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 15; self.damage = 25; self.vx = 0; self.vy = 0; self.setDirection = function (angle) { self.vx = Math.cos(angle) * self.speed; self.vy = Math.sin(angle) * self.speed; graphics.rotation = angle + Math.PI / 2; }; self.update = function () { self.x += self.vx; self.y += self.vy; }; return self; }); var PlayerTank = Container.expand(function () { var self = Container.call(this); var body = self.attachAsset('playerTank', { anchorX: 0.5, anchorY: 0.5 }); var turret = self.attachAsset('tankTurret', { anchorX: 0.5, anchorY: 0.8 }); self.speed = 5; self.health = 100; self.maxHealth = 100; self.fireRate = 20; self.fireTimer = 0; self.rapidFireTimer = 0; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xff0000, 300); if (self.health <= 0) { self.health = 0; return true; } return false; }; self.heal = function (amount) { self.health = Math.min(self.health + amount, self.maxHealth); }; self.enableRapidFire = function () { self.rapidFireTimer = 300; }; self.update = function () { if (self.fireTimer > 0) self.fireTimer--; if (self.rapidFireTimer > 0) self.rapidFireTimer--; var effectiveFireRate = self.rapidFireTimer > 0 ? 5 : self.fireRate; if (self.fireTimer <= 0) { var nearestEnemy = findNearestEnemy(self.x, self.y); if (nearestEnemy) { var angle = Math.atan2(nearestEnemy.y - self.y, nearestEnemy.x - self.x); turret.rotation = angle + Math.PI / 2; var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y; bullet.setDirection(angle); playerBullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); self.fireTimer = effectiveFireRate; } } }; return self; }); var PowerUp = Container.expand(function (type) { var self = Container.call(this); self.type = type; var graphics = self.attachAsset(type === 'health' ? 'powerupHealth' : 'powerupRapidFire', { anchorX: 0.5, anchorY: 0.5 }); self.collected = false; self.lifetime = 600; self.update = function () { self.lifetime--; if (self.lifetime < 120) { graphics.alpha = 0.5 + 0.5 * Math.sin(self.lifetime * 0.2); } }; return self; }); var Turret = Container.expand(function () { var self = Container.call(this); var base = self.attachAsset('turret', { anchorX: 0.5, anchorY: 0.5 }); var barrel = self.attachAsset('enemyTurret', { anchorX: 0.5, anchorY: 0.8 }); self.health = 75; self.fireRate = 90; self.fireTimer = 0; self.range = 600; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xffffff, 200); if (self.health <= 0) { return true; } return false; }; self.update = function () { if (!playerTank) return; var dx = playerTank.x - self.x; var dy = playerTank.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < self.range) { var angle = Math.atan2(dy, dx); barrel.rotation = angle + Math.PI / 2; if (self.fireTimer > 0) self.fireTimer--; if (self.fireTimer <= 0) { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y; bullet.setDirection(angle); enemyBullets.push(bullet); game.addChild(bullet); self.fireTimer = self.fireRate; } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x228B22 }); /**** * Game Code ****/ var playerTank; var enemies = []; var turrets = []; var playerBullets = []; var enemyBullets = []; var powerUps = []; var buildings = []; var barrels = []; var score = 0; var wave = 1; var enemiesPerWave = 3; var enemiesSpawned = 0; var waveTimer = 0; var highScore = storage.highScore || 0; var scoreTxt = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var waveTxt = new Text2('Wave 1', { size: 100, fill: 0xFFFF00 }); waveTxt.anchor.set(0.5, 0); waveTxt.y = 100; LK.gui.top.addChild(waveTxt); var healthBar = new Container(); healthBar.x = 150; healthBar.y = 50; LK.gui.topRight.addChild(healthBar); var healthBarBg = LK.getAsset('building', { width: 200, height: 30, tint: 0x333333 }); healthBar.addChild(healthBarBg); var healthBarFill = LK.getAsset('powerupHealth', { width: 200, height: 30, tint: 0x00ff00 }); healthBar.addChild(healthBarFill); function updateHealthBar() { if (playerTank) { var healthPercent = playerTank.health / playerTank.maxHealth; healthBarFill.width = 200 * healthPercent; if (healthPercent < 0.3) { healthBarFill.tint = 0xff0000; } else if (healthPercent < 0.6) { healthBarFill.tint = 0xffff00; } else { healthBarFill.tint = 0x00ff00; } } } 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; } } for (var i = 0; i < turrets.length; i++) { var turret = turrets[i]; var dx = turret.x - x; var dy = turret.y - y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < minDistance) { minDistance = distance; nearest = turret; } } return nearest; } function spawnEnemy() { var enemy = new EnemyTank(); var side = Math.floor(Math.random() * 4); switch (side) { case 0: enemy.x = Math.random() * 2048; enemy.y = -50; break; case 1: enemy.x = 2098; enemy.y = Math.random() * 2732; break; case 2: enemy.x = Math.random() * 2048; enemy.y = 2782; break; case 3: enemy.x = -50; enemy.y = Math.random() * 2732; break; } enemies.push(enemy); game.addChild(enemy); } function spawnTurret() { var turret = new Turret(); turret.x = 300 + Math.random() * 1448; turret.y = 300 + Math.random() * 2132; turrets.push(turret); game.addChild(turret); } function spawnPowerUp(x, y) { if (Math.random() < 0.3) { var type = Math.random() < 0.6 ? 'health' : 'rapidfire'; var powerUp = new PowerUp(type); powerUp.x = x; powerUp.y = y; powerUps.push(powerUp); game.addChild(powerUp); } } function spawnBuildings() { for (var i = 0; i < 5; i++) { var building = new Building(); building.x = 300 + Math.random() * 1448; building.y = 300 + Math.random() * 2132; buildings.push(building); game.addChild(building); } } function spawnBarrels() { for (var i = 0; i < 3; i++) { var barrel = new ExplosiveBarrel(); barrel.x = 300 + Math.random() * 1448; barrel.y = 300 + Math.random() * 2132; barrels.push(barrel); game.addChild(barrel); } } playerTank = new PlayerTank(); playerTank.x = 1024; playerTank.y = 1366; game.addChild(playerTank); spawnBuildings(); spawnBarrels(); LK.playMusic('battleMusic'); var targetX = playerTank.x; var targetY = playerTank.y; game.down = function (x, y, obj) { targetX = x; targetY = y; }; game.move = function (x, y, obj) { targetX = x; targetY = y; }; game.update = function () { if (playerTank) { var dx = targetX - playerTank.x; var dy = targetY - playerTank.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 10) { var newX = playerTank.x + dx / distance * playerTank.speed; var newY = playerTank.y + dy / distance * playerTank.speed; newX = Math.max(60, Math.min(1988, newX)); newY = Math.max(80, Math.min(2652, newY)); // Check collision with buildings var canMoveX = true; var canMoveY = true; var tempTank = { x: newX, y: playerTank.y, width: playerTank.width, height: playerTank.height, intersects: playerTank.intersects.bind({ x: newX, y: playerTank.y, width: playerTank.width, height: playerTank.height }) }; var tempTankY = { x: playerTank.x, y: newY, width: playerTank.width, height: playerTank.height, intersects: playerTank.intersects.bind({ x: playerTank.x, y: newY, width: playerTank.width, height: playerTank.height }) }; for (var b = 0; b < buildings.length; b++) { var building = buildings[b]; var buildingBounds = { x: building.x - 100, y: building.y - 100, width: 200, height: 200 }; if (newX + 120 > buildingBounds.x && newX - 120 < buildingBounds.x + buildingBounds.width && playerTank.y + 160 > buildingBounds.y && playerTank.y - 160 < buildingBounds.y + buildingBounds.height) { canMoveX = false; } if (playerTank.x + 120 > buildingBounds.x && playerTank.x - 120 < buildingBounds.x + buildingBounds.width && newY + 160 > buildingBounds.y && newY - 160 < buildingBounds.y + buildingBounds.height) { canMoveY = false; } } for (var b = 0; b < barrels.length; b++) { var barrel = barrels[b]; var barrelBounds = { x: barrel.x - 60, y: barrel.y - 75, width: 120, height: 150 }; if (newX + 120 > barrelBounds.x && newX - 120 < barrelBounds.x + barrelBounds.width && playerTank.y + 160 > barrelBounds.y && playerTank.y - 160 < barrelBounds.y + barrelBounds.height) { canMoveX = false; } if (playerTank.x + 120 > barrelBounds.x && playerTank.x - 120 < barrelBounds.x + barrelBounds.width && newY + 160 > barrelBounds.y && newY - 160 < barrelBounds.y + barrelBounds.height) { canMoveY = false; } } if (canMoveX) playerTank.x = newX; if (canMoveY) playerTank.y = newY; } } waveTimer++; if (enemiesSpawned < enemiesPerWave && waveTimer % 120 === 0) { spawnEnemy(); enemiesSpawned++; if (wave > 2 && enemiesSpawned % 2 === 0) { spawnTurret(); } } if (enemies.length === 0 && turrets.length === 0 && enemiesSpawned >= enemiesPerWave) { wave++; enemiesPerWave = Math.min(wave * 2 + 1, 15); enemiesSpawned = 0; waveTimer = 0; waveTxt.setText('Wave ' + wave); tween(waveTxt, { scaleX: 1.5, scaleY: 1.5 }, { duration: 300, onFinish: function onFinish() { tween(waveTxt, { scaleX: 1, scaleY: 1 }, { duration: 300 }); } }); } for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) { bullet.destroy(); playerBullets.splice(i, 1); continue; } for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { if (enemy.takeDamage(bullet.damage)) { spawnPowerUp(enemy.x, enemy.y); enemy.destroy(); enemies.splice(j, 1); score += 100; LK.getSound('explosion').play(); } bullet.destroy(); playerBullets.splice(i, 1); break; } } if (i < 0) continue; for (var j = turrets.length - 1; j >= 0; j--) { var turret = turrets[j]; if (bullet.intersects(turret)) { if (turret.takeDamage(bullet.damage)) { spawnPowerUp(turret.x, turret.y); turret.destroy(); turrets.splice(j, 1); score += 150; LK.getSound('explosion').play(); } bullet.destroy(); playerBullets.splice(i, 1); break; } } if (i < 0) continue; for (var j = buildings.length - 1; j >= 0; j--) { var building = buildings[j]; if (bullet.intersects(building)) { if (building.takeDamage(bullet.damage)) { building.destroy(); buildings.splice(j, 1); } bullet.destroy(); playerBullets.splice(i, 1); break; } } if (i < 0) continue; for (var j = barrels.length - 1; j >= 0; j--) { var barrel = barrels[j]; if (bullet.intersects(barrel)) { if (barrel.takeDamage(bullet.damage)) { barrel.destroy(); barrels.splice(j, 1); } bullet.destroy(); playerBullets.splice(i, 1); break; } } } for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } if (playerTank && bullet.intersects(playerTank)) { if (playerTank.takeDamage(bullet.damage)) { if (score > highScore) { storage.highScore = score; } LK.showGameOver(); } bullet.destroy(); enemyBullets.splice(i, 1); updateHealthBar(); } } for (var i = powerUps.length - 1; i >= 0; i--) { var powerUp = powerUps[i]; if (powerUp.lifetime <= 0) { powerUp.destroy(); powerUps.splice(i, 1); continue; } if (playerTank && !powerUp.collected && powerUp.intersects(playerTank)) { powerUp.collected = true; if (powerUp.type === 'health') { playerTank.heal(30); updateHealthBar(); } else if (powerUp.type === 'rapidfire') { playerTank.enableRapidFire(); } LK.getSound('powerup').play(); tween(powerUp, { scaleX: 0, scaleY: 0, alpha: 0 }, { duration: 300, onFinish: function onFinish() { powerUp.destroy(); } }); powerUps.splice(i, 1); } } scoreTxt.setText('Score: ' + score); updateHealthBar(); };