/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { highScore: 0, level: 1 }); /**** * Classes ****/ var CounterRocket = Container.expand(function () { var self = Container.call(this); var rocketGraphic = self.attachAsset('counter_rocket', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 12; self.active = true; self.blastRadius = 100; self.init = function (startX, startY, targetX, targetY) { self.x = startX; self.y = startY; self.targetX = targetX; self.targetY = targetY; // Calculate direction vector var dx = targetX - startX; var dy = targetY - startY; var dist = Math.sqrt(dx * dx + dy * dy); self.vx = dx / dist * self.speed; self.vy = dy / dist * self.speed; // Set rotation self.rotation = Math.atan2(dx, -dy); }; self.update = function () { if (!self.active) { return; } // Move along trajectory self.x += self.vx; self.y += self.vy; // Check if reached target area var distToTarget = Math.sqrt(Math.pow(self.x - self.targetX, 2) + Math.pow(self.y - self.targetY, 2)); if (distToTarget < 10) { self.explode(); } // Check for missile hits if (self.active) { // Track if we hit any missiles directly var hitMissile = false; // Check all missiles for direct hits for (var i = 0; i < missiles.length; i++) { var missile = missiles[i]; if (missile.active) { var dist = Math.sqrt(Math.pow(self.x - missile.x, 2) + Math.pow(self.y - missile.y, 2)); // Direct hit if within 30px if (dist < 30) { missile.explode(); self.explode(); hitMissile = true; // Award points and increase combo score += 20 * (1 + level * 0.1); comboCount++; if (comboCount > 1) { // Bonus points for combos score += 5 * comboCount; } updateUI(); break; } } } // Check if level should advance if (score >= level * 1000) { advanceLevel(); } } // Check if off screen if (self.y < -100 || self.y > 2832 || self.x < -100 || self.x > 2148) { self.destroy(); // Remove from counter rockets array var index = counterRockets.indexOf(self); if (index !== -1) { counterRockets.splice(index, 1); } } }; self.explode = function () { self.active = false; // Create explosion var explosion = new Explosion(); explosion.x = self.x; explosion.y = self.y; explosion.init(self.blastRadius); game.addChild(explosion); // Check for missile hits game.checkMissileHits(self.x, self.y, self.blastRadius); // Play sound LK.getSound('explosion_sound').play(); // Remove rocket self.destroy(); // Remove from counter rockets array var index = counterRockets.indexOf(self); if (index !== -1) { counterRockets.splice(index, 1); } }; return self; }); var DefenseStation = Container.expand(function () { var self = Container.call(this); var stationGraphic = self.attachAsset('defense_station', { anchorX: 0.5, anchorY: 0.5 }); var aimLine = self.attachAsset('aim_line', { anchorX: 0.5, anchorY: 1, alpha: 0.7 }); self.init = function () { self.x = 2048 / 2; self.y = 2732 - 60 - 100; // Just above ground aimLine.visible = false; aimLine.rotation = -Math.PI / 2; // Pointing upward }; self.startAiming = function (x, y) { aimLine.visible = true; self.updateAimLine(x, y); }; self.updateAimLine = function (x, y) { if (!aimLine.visible) { return; } // Calculate angle for aim line var dx = x - self.x; var dy = y - self.y; var angle = Math.atan2(dx, -dy); // Negative dy because y is inverted // Restrict angle (can't aim below horizon) if (angle > Math.PI / 2) { angle = Math.PI / 2; } if (angle < -Math.PI / 2) { angle = -Math.PI / 2; } aimLine.rotation = angle; }; self.stopAiming = function () { aimLine.visible = false; }; self.fire = function (x, y) { // Calculate direction and target position var dx = x - self.x; var dy = y - self.y; var angle = Math.atan2(dx, -dy); // Restrict angle (can't fire below horizon) if (angle > Math.PI / 2) { angle = Math.PI / 2; } if (angle < -Math.PI / 2) { angle = -Math.PI / 2; } // Calculate target point var reach = 2000; var targetX = self.x + Math.sin(angle) * reach; var targetY = self.y - Math.cos(angle) * reach; // Fire main rocket var rocket = new CounterRocket(); rocket.init(self.x, self.y, targetX, targetY); counterRockets.push(rocket); game.addChild(rocket); // Fire additional rockets if multishot is active if (game.multishotActive) { var spread = Math.PI / 12; // 15 degrees // Left rocket var leftRocket = new CounterRocket(); var leftAngle = angle - spread; var leftTargetX = self.x + Math.sin(leftAngle) * reach; var leftTargetY = self.y - Math.cos(leftAngle) * reach; leftRocket.init(self.x, self.y, leftTargetX, leftTargetY); counterRockets.push(leftRocket); game.addChild(leftRocket); // Right rocket var rightRocket = new CounterRocket(); var rightAngle = angle + spread; var rightTargetX = self.x + Math.sin(rightAngle) * reach; var rightTargetY = self.y - Math.cos(rightAngle) * reach; rightRocket.init(self.x, self.y, rightTargetX, rightTargetY); counterRockets.push(rightRocket); game.addChild(rightRocket); } // Play sound LK.getSound('rocket_launch').play(); }; return self; }); var Explosion = Container.expand(function () { var self = Container.call(this); var explosionGraphic = self.attachAsset('explosion', { anchorX: 0.5, anchorY: 0.5, alpha: 0.9 }); self.init = function (radius) { self.radius = radius || 75; explosionGraphic.width = self.radius * 2; explosionGraphic.height = self.radius * 2; // Start animation explosionGraphic.alpha = 0.9; tween(explosionGraphic, { alpha: 0, width: self.radius * 3, height: self.radius * 3 }, { duration: 600, onFinish: function onFinish() { self.destroy(); } }); }; return self; }); var Missile = Container.expand(function () { var self = Container.call(this); var missileGraphic = self.attachAsset('missile', { anchorX: 0.5, anchorY: 0.5 }); // Default properties self.speed = 3; self.targetX = 0; self.active = true; self.init = function (startX, speed, targetX) { self.x = startX; self.y = -100; self.speed = speed || 3; self.targetX = targetX || self.x; // Calculate angle based on trajectory var dx = self.targetX - self.x; var dy = 2732 - self.y; self.rotation = Math.atan2(dx, dy); }; self.update = function () { if (!self.active) { return; } // Move towards target var dx = self.targetX - self.x; var groundY = 2732 - 60; // Ground level var percentComplete = self.y / groundY; self.x += dx * 0.005; self.y += self.speed; // Check if hit ground if (self.y >= groundY - 40) { self.explode(); game.missileHitGround(self.x); } }; self.explode = function () { self.active = false; // Create explosion var explosion = new Explosion(); explosion.x = self.x; explosion.y = self.y; explosion.init(75); game.addChild(explosion); // Play sound LK.getSound('explosion_sound').play(); // Remove missile self.destroy(); // Remove from missiles array var index = missiles.indexOf(self); if (index !== -1) { missiles.splice(index, 1); } }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); var powerUpGraphic = self.attachAsset('power_up', { anchorX: 0.5, anchorY: 0.5 }); self.type = "multishot"; self.fallSpeed = 2; self.active = true; self.init = function (type) { self.type = type || (Math.random() < 0.5 ? "multishot" : "nuke"); // Set color based on type if (self.type === "multishot") { powerUpGraphic.tint = 0x9b59b6; // Purple } else { powerUpGraphic.tint = 0xe74c3c; // Red } // Position self.x = 100 + Math.random() * (2048 - 200); self.y = -100; // Animation tween(self, { rotation: Math.PI * 2 }, { duration: 3000, onFinish: function onFinish() { if (self.active) { self.rotation = 0; tween(self, { rotation: Math.PI * 2 }, { duration: 3000 }); } } }); }; self.update = function () { if (!self.active) { return; } // Fall down self.y += self.fallSpeed; // Check if hit ground if (self.y >= 2732 - 60 - 40) { self.destroy(); var index = powerUps.indexOf(self); if (index !== -1) { powerUps.splice(index, 1); } } // Check if near defense station var distToStation = Math.sqrt(Math.pow(self.x - defenseStation.x, 2) + Math.pow(self.y - defenseStation.y, 2)); if (distToStation < 150) { self.collect(); } }; self.collect = function () { self.active = false; // Apply power up effect if (self.type === "multishot") { game.activateMultishot(); } else { game.activateNuke(); } // Play sound LK.getSound('power_up_collect').play(); // Remove power up self.destroy(); // Remove from powerUps array var index = powerUps.indexOf(self); if (index !== -1) { powerUps.splice(index, 1); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x121f2a }); /**** * Game Code ****/ // Game variables var score = 0; var level = 1; var lives = 3; var isAiming = false; var aimStartX = 0; var aimStartY = 0; var missiles = []; var counterRockets = []; var powerUps = []; var defenseStation; var ground; var gameActive = true; var missileSpawnRate = 3000; // Time in ms between missile spawns var missileSpawnTimer = null; var powerUpSpawnTimer = null; var multishotTimeoutId = null; var comboCount = 0; var comboTimer = null; // UI elements var scoreTxt; var livesTxt; var levelTxt; var comboTxt; // Initialize game objects function initGame() { // Set background game.setBackgroundColor(0x121f2a); // Play background music LK.playMusic('game_music'); // Create ground ground = LK.getAsset('ground', { anchorX: 0.5, anchorY: 0.5 }); ground.x = 2048 / 2; ground.y = 2732 - 30; // Bottom of screen game.addChild(ground); // Create defense station defenseStation = new DefenseStation(); defenseStation.init(); game.addChild(defenseStation); // Setup UI setupUI(); // Start missile spawning startMissileSpawner(); // Start power-up spawning startPowerUpSpawner(); // Reset game state score = 0; level = storage.level || 1; lives = 3; gameActive = true; game.multishotActive = false; comboCount = 0; // Update UI updateUI(); } function setupUI() { // Glaud inscription var glaudTxt = new Text2('Glaud', { size: 40, fill: 0xFF8C00 }); glaudTxt.anchor.set(1, 0); LK.gui.topRight.addChild(glaudTxt); glaudTxt.x = -20; glaudTxt.y = 80; // Score text scoreTxt = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); LK.gui.topRight.addChild(scoreTxt); scoreTxt.x = -280; scoreTxt.y = 20; // Lives text livesTxt = new Text2('Lives: 3', { size: 60, fill: 0xFFFFFF }); livesTxt.anchor.set(0, 0); LK.gui.top.addChild(livesTxt); livesTxt.y = 20; // Level text levelTxt = new Text2('Level: 1', { size: 60, fill: 0xFFFFFF }); levelTxt.anchor.set(0, 0); LK.gui.topLeft.addChild(levelTxt); levelTxt.x = 120; // Avoid the top-left 100x100 reserved area levelTxt.y = 20; // Combo text comboTxt = new Text2('', { size: 80, fill: 0xF1C40F }); comboTxt.anchor.set(0.5, 0.5); LK.gui.center.addChild(comboTxt); comboTxt.visible = false; } function updateUI() { scoreTxt.setText('Score: ' + score); livesTxt.setText('Lives: ' + lives); levelTxt.setText('Level: ' + level); if (comboCount > 1) { comboTxt.setText('COMBO x' + comboCount + '!'); comboTxt.visible = true; // Reset combo timer if (comboTimer) { LK.clearTimeout(comboTimer); } comboTimer = LK.setTimeout(function () { comboTxt.visible = false; comboCount = 0; }, 2000); } } function startMissileSpawner() { // Clear any existing timer if (missileSpawnTimer) { LK.clearInterval(missileSpawnTimer); } // Calculate spawn rate based on level var rate = Math.max(3000 - level * 200, 500); missileSpawnTimer = LK.setInterval(function () { if (!gameActive) { return; } spawnMissile(); }, rate); } function spawnMissile() { // Create a new missile var missile = new Missile(); // Randomize starting position var startX = Math.random() * 2048; // Randomize target position var targetX = Math.random() * 2048; // Calculate speed based on level var speed = 3 + level * 0.5; // Initialize missile missile.init(startX, speed, targetX); // Add to game missiles.push(missile); game.addChild(missile); } function startPowerUpSpawner() { // Clear any existing timer if (powerUpSpawnTimer) { LK.clearInterval(powerUpSpawnTimer); } powerUpSpawnTimer = LK.setInterval(function () { if (!gameActive) { return; } // 10% chance to spawn a power-up if (Math.random() < 0.1) { spawnPowerUp(); } }, 5000); } function spawnPowerUp() { // Create a new power-up var powerUp = new PowerUp(); // Initialize power-up powerUp.init(); // Add to game powerUps.push(powerUp); game.addChild(powerUp); } // Game mechanics game.checkMissileHits = function (x, y, radius) { var hitCount = 0; // Check all missiles for (var i = missiles.length - 1; i >= 0; i--) { var missile = missiles[i]; if (!missile.active) { continue; } // Calculate distance var dist = Math.sqrt(Math.pow(missile.x - x, 2) + Math.pow(missile.y - y, 2)); // If missile is within blast radius if (dist <= radius) { missile.explode(); hitCount++; // Award points score += 10 * (1 + level * 0.1); // Increment combo comboCount++; if (comboCount > 1) { // Bonus points for combos score += 5 * comboCount; } } } // Check if level should advance if (score >= level * 1000) { advanceLevel(); } // Update UI updateUI(); return hitCount; }; game.missileHitGround = function (x) { // Visual effect var groundExplosion = new Explosion(); groundExplosion.x = x; groundExplosion.y = 2732 - 60; groundExplosion.init(100); game.addChild(groundExplosion); // Reduce lives lives--; // Reset combo comboCount = 0; if (comboTimer) { LK.clearTimeout(comboTimer); } comboTxt.visible = false; // Update UI updateUI(); // Check for game over if (lives <= 0) { gameOver(); } }; function gameOver() { gameActive = false; // Stop spawners if (missileSpawnTimer) { LK.clearInterval(missileSpawnTimer); } if (powerUpSpawnTimer) { LK.clearInterval(powerUpSpawnTimer); } // Update high score if (score > storage.highScore) { storage.highScore = score; } // Set final score LK.setScore(score); // Show game over screen LK.showGameOver(); } function advanceLevel() { level++; storage.level = level; // Update UI updateUI(); // Flash level indicator tween(levelTxt, { alpha: 0 }, { duration: 200, onFinish: function onFinish() { tween(levelTxt, { alpha: 1 }, { duration: 200 }); } }); // Restart missile spawner with new rate startMissileSpawner(); } game.activateMultishot = function () { game.multishotActive = true; // Create visual indicator defenseStation.attachAsset('power_up', { anchorX: 0.5, anchorY: 0.5, x: 0, y: -50, tint: 0x9b59b6, alpha: 0.7, scale: 0.5 }); // Clear previous timeout if exists if (multishotTimeoutId) { LK.clearTimeout(multishotTimeoutId); } // Set timeout to disable multishot multishotTimeoutId = LK.setTimeout(function () { game.multishotActive = false; // Remove all power-up indicators from defense station for (var i = 0; i < defenseStation.children.length; i++) { var child = defenseStation.children[i]; if (child.color && child.color === 0x9b59b6) { defenseStation.removeChild(child); child.destroy(); } } }, 10000); // 10 seconds }; game.activateNuke = function () { // Create large explosion at center var nukeExplosion = new Explosion(); nukeExplosion.x = 2048 / 2; nukeExplosion.y = 2732 / 2; nukeExplosion.init(1500); // Large radius game.addChild(nukeExplosion); // Destroy all missiles var destroyedCount = 0; for (var i = missiles.length - 1; i >= 0; i--) { var missile = missiles[i]; if (missile.active) { missile.explode(); destroyedCount++; } } // Award points if (destroyedCount > 0) { score += destroyedCount * 15; updateUI(); } }; // Input handling game.down = function (x, y, obj) { if (!gameActive) { return; } isAiming = true; aimStartX = x; aimStartY = y; // Start aiming defenseStation.startAiming(x, y); }; game.move = function (x, y, obj) { if (!isAiming || !gameActive) { return; } // Update aim line defenseStation.updateAimLine(x, y); }; game.up = function (x, y, obj) { if (!isAiming || !gameActive) { return; } // Fire rocket defenseStation.fire(x, y); // Reset aiming isAiming = false; defenseStation.stopAiming(); }; // Game loop game.update = function () { if (!gameActive) { return; } // Update missiles for (var i = missiles.length - 1; i >= 0; i--) { missiles[i].update(); } // Update counter rockets for (var i = counterRockets.length - 1; i >= 0; i--) { counterRockets[i].update(); } // Update power-ups for (var i = powerUps.length - 1; i >= 0; i--) { powerUps[i].update(); } }; // Initialize the game initGame();