/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Boss1Ship = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('bossShip', { anchorX: 0.5, anchorY: 0.5 }); self.health = 500; self.maxHealth = 500; self.speed = 2; self.shootCooldown = 0; self.shootRate = 60; self.moveDirection = 1; self.moveTimer = 0; self.moveInterval = 120; self.bossNumber = 1; self.startX = 1024; self.attackPhaseTimer = 0; self.isAttackPhase = true; self.update = function () { self.attackPhaseTimer++; if (self.isAttackPhase && self.attackPhaseTimer <= 600) { self.moveTimer++; var circleX = Math.cos(self.moveTimer / 30) * 150; var circleY = Math.sin(self.moveTimer / 60) * 100; var movePattern = Math.sin(self.moveTimer / 20) * 600; self.x = self.startX + movePattern + circleX; self.y = 300 + circleY; if (self.x < 50 || self.x > 1998) { self.x = self.startX; self.moveTimer = 0; } self.y = Math.max(100, Math.min(800, self.y)); self.shootCooldown--; } else if (self.isAttackPhase && self.attackPhaseTimer > 600) { self.isAttackPhase = false; self.attackPhaseTimer = 0; } if (!self.isAttackPhase) { self.shootCooldown = 1000; if (self.attackPhaseTimer >= 300) { self.isAttackPhase = true; self.attackPhaseTimer = 0; self.shootCooldown = 0; } self.attackPhaseTimer++; } }; return self; }); var Boss2Ship = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('bossShip', { anchorX: 0.5, anchorY: 0.5 }); self.health = 700; self.maxHealth = 700; self.speed = 5; self.shootCooldown = 0; self.shootRate = 45; self.moveDirection = 1; self.moveTimer = 0; self.moveInterval = 120; self.bossNumber = 2; self.startX = 1024; self.attackPhaseTimer = 0; self.isAttackPhase = true; self.velocityX = 5; //{Boss2-velX} self.velocityY = 4; //{Boss2-velY} self.lastContactWithPlayer = false; //{Boss2-lastContact} self.update = function () { self.attackPhaseTimer++; if (self.isAttackPhase && self.attackPhaseTimer <= 600) { self.x += self.velocityX; self.y += self.velocityY; if (self.x < 100 || self.x > 1948) { self.velocityX *= -1; } //{Boss2-bounceX} if (self.y < 150 || self.y > 800) { self.velocityY *= -1; } //{Boss2-bounceY} self.shootCooldown--; } else if (self.isAttackPhase && self.attackPhaseTimer > 600) { self.isAttackPhase = false; self.attackPhaseTimer = 0; } if (!self.isAttackPhase) { self.shootCooldown = 1000; self.velocityX = 0; self.velocityY = 0; if (self.attackPhaseTimer >= 300) { self.isAttackPhase = true; self.attackPhaseTimer = 0; self.shootCooldown = 0; self.velocityX = Math.random() * 6 - 3; self.velocityY = Math.random() * 6 - 3; } } }; return self; }); var Boss3Ship = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('bossShip', { anchorX: 0.5, anchorY: 0.5 }); self.health = 900; self.maxHealth = 900; self.speed = 4; self.shootCooldown = 0; self.shootRate = 30; self.moveDirection = 1; self.moveTimer = 0; self.moveInterval = 120; self.bossNumber = 3; self.startX = 1024; self.attackPhaseTimer = 0; self.isAttackPhase = true; self.update = function () { self.attackPhaseTimer++; if (self.isAttackPhase && self.attackPhaseTimer <= 400) { self.moveTimer++; var circleX = Math.cos(self.moveTimer / 20) * 250; var circleY = Math.sin(self.moveTimer / 40) * 200; var movePattern = Math.sin(self.moveTimer / 10) * 800; self.x = self.startX + movePattern + circleX; self.y = 200 + circleY; if (self.x < 50 || self.x > 1998) { self.x = self.startX; self.moveTimer = 0; } self.y = Math.max(100, Math.min(800, self.y)); self.shootCooldown--; } else if (self.isAttackPhase && self.attackPhaseTimer > 400) { self.isAttackPhase = false; self.attackPhaseTimer = 0; } if (!self.isAttackPhase) { self.shootCooldown = 600; if (self.attackPhaseTimer >= 200) { self.isAttackPhase = true; self.attackPhaseTimer = 0; self.shootCooldown = 0; } self.attackPhaseTimer++; } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.damage = 1; self.update = function () { self.y += self.speed; }; return self; }); var EnemyShip = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemyShip', { anchorX: 0.5, anchorY: 0.5 }); self.health = 1; self.maxHealth = 1; self.speed = 3; self.shootCooldown = 0; self.shootRate = 60; self.waveNumber = 1; self.update = function () { self.y += self.speed; self.shootCooldown--; }; return self; }); var PlayerBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('playerBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -15; self.damage = 1; self.update = function () { self.y += self.speed; }; return self; }); var PlayerShip = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('playerShip', { anchorX: 0.5, anchorY: 0.5 }); self.health = 25; self.maxHealth = 25; self.speed = 6; self.shootCooldown = 0; self.shootRate = 15; self.firepower = 1; self.armor = 1; self.upgradePoints = 0; self.down = function (x, y, obj) { //Placeholder for future touch interactions }; self.up = function (x, y, obj) { //Placeholder for future touch interactions }; self.move = function (x, y, obj) { //Handled by game.move }; self.update = function () { self.shootCooldown--; }; return self; }); var UpgradePickup = Container.expand(function () { var self = Container.call(this); var pickupGraphics = self.attachAsset('upgradePickup', { anchorX: 0.5, anchorY: 0.5 }); self.upgradeType = 'firepower'; self.worldType = 1; self.floatSpeed = 2; self.floatDirection = -1; self.originalY = 0; self.setWorldType = function (worldNum) { self.worldType = worldNum; if (worldNum === 2) { pickupGraphics.tint = 0x00ffff; } else if (worldNum === 3) { pickupGraphics.tint = 0xff00ff; } }; self.update = function () { self.y += self.floatSpeed * self.floatDirection; if (self.y < self.originalY - 40 || self.y > self.originalY + 40) { self.floatDirection *= -1; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x001a4d }); /**** * Game Code ****/ //Game state variables var playerShip = null; var enemyBullets = []; var playerBullets = []; var enemies = []; var bosses = []; var upgradePickups = []; var waveNumber = 1; var bossNumber = 1; var waveEnemyCount = 0; var waveEnemiesDefeated = 0; var isBossWave = false; var gameState = 'playing'; var moveDirection = 0; var touchX = 1024; //UI Elements var healthText = new Text2('Health: 25/25', { size: 80, fill: '#ffffff' }); healthText.anchor.set(0, 0); LK.gui.topRight.addChild(healthText); var playerHealthBarBg = LK.getAsset('starfield', { width: 300, height: 25, color: 0x333333, shape: 'box' }); playerHealthBarBg.anchor.set(0, 0.5); LK.gui.topRight.addChild(playerHealthBarBg); var playerHealthBar = LK.getAsset('starfield', { width: 280, height: 15, color: 0x00ff00, shape: 'box' }); playerHealthBar.anchor.set(0, 0.5); LK.gui.topRight.addChild(playerHealthBar); var upgradeText = new Text2('Upgrades: 0', { size: 80, fill: '#ffff00' }); upgradeText.anchor.set(0, 0); LK.gui.top.addChild(upgradeText); var waveText = new Text2('Wave: 1', { size: 80, fill: '#00ff00' }); waveText.anchor.set(1, 0); LK.gui.topRight.addChild(waveText); var bossHealthBarBg = LK.getAsset('starfield', { width: 400, height: 30, color: 0x333333, shape: 'box' }); bossHealthBarBg.anchor.set(0.5, 0.5); bossHealthBarBg.visible = false; LK.gui.top.addChild(bossHealthBarBg); var bossHealthBar = LK.getAsset('starfield', { width: 380, height: 20, color: 0xff0000, shape: 'box' }); bossHealthBar.anchor.set(0, 0.5); bossHealthBar.visible = false; LK.gui.top.addChild(bossHealthBar); var bossHealthText = new Text2('Boss Health', { size: 60, fill: '#ff0000' }); bossHealthText.anchor.set(0.5, 0.5); bossHealthText.visible = false; LK.gui.top.addChild(bossHealthText); var world2Button = LK.getAsset('starfield', { width: 300, height: 100, color: 0x00ffff, shape: 'box' }); //{3a-world2} world2Button.anchor.set(0.5, 0.5); world2Button.interactive = true; world2Button.visible = false; LK.gui.bottomRight.addChild(world2Button); var world2ButtonText = new Text2('World 2', { size: 60, fill: '#000000' }); //{3b-world2} world2ButtonText.anchor.set(0.5, 0.5); world2Button.addChild(world2ButtonText); world2Button.down = function (x, y, obj) { if (waveNumber === 1 && bosses.length === 0 && enemies.length === 0) { waveNumber = 2; bossNumber = 2; world2Button.visible = false; world3Button.visible = true; spawnBoss(); } }; //{3c-world2} var world3Button = LK.getAsset('starfield', { width: 300, //{3c-world3} height: 100, color: 0xff00ff, shape: 'box' //{3d-world3} }); //{3a-world3} world3Button.anchor.set(0.5, 0.5); world3Button.interactive = true; world3Button.visible = false; LK.gui.bottomLeft.addChild(world3Button); var world3ButtonText = new Text2('World 3', { size: 60, //{3e-world3} fill: '#000000' }); //{3b-world3} world3ButtonText.anchor.set(0.5, 0.5); world3Button.addChild(world3ButtonText); world3Button.down = function (x, y, obj) { if (waveNumber === 2 && bosses.length === 0 && enemies.length === 0) { waveNumber = 3; bossNumber = 3; world3Button.visible = false; playerShip.health = 1000; playerShip.maxHealth = 1000; healthText.setText('Health: 1000/1000'); spawnBoss(); } //{3g-world3} }; //{3c-world3} var pauseMenuBg = LK.getAsset('starfield', { width: 1024, height: 800, color: 0x000000, shape: 'box' }); pauseMenuBg.alpha = 0.9; pauseMenuBg.visible = false; LK.gui.center.addChild(pauseMenuBg); var pauseTitle = new Text2('PAUSED', { size: 150, fill: '#ffff00' }); pauseTitle.anchor.set(0.5, 0.5); pauseTitle.visible = false; LK.gui.center.addChild(pauseTitle); var pauseInfo = new Text2('Tap to Resume', { size: 100, fill: '#ffffff' }); pauseInfo.anchor.set(0.5, 0.5); pauseInfo.visible = false; LK.gui.center.addChild(pauseInfo); //Add starfield background var starfield = game.addChild(LK.getAsset('starfield', { anchorX: 0, anchorY: 0 })); starfield.x = 0; starfield.y = 0; //Add pixel art stars to background for (var s = 0; s < 200; s++) { var star = game.addChild(LK.getAsset('pixelStar', { anchorX: 0.5, anchorY: 0.5 })); star.x = Math.random() * 2048; star.y = Math.random() * 2732; } //Add pixel art planets to background var planet1 = game.addChild(LK.getAsset('pixelPlanet1', { anchorX: 0.5, anchorY: 0.5 })); planet1.x = 300; planet1.y = 400; planet1.alpha = 0.6; var planet2 = game.addChild(LK.getAsset('pixelPlanet2', { anchorX: 0.5, anchorY: 0.5 })); planet2.x = 1800; planet2.y = 1200; planet2.alpha = 0.5; var planet3 = game.addChild(LK.getAsset('pixelPlanet3', { anchorX: 0.5, anchorY: 0.5 })); planet3.x = 500; planet3.y = 2200; planet3.alpha = 0.7; //Initialize player ship playerShip = game.addChild(new PlayerShip()); playerShip.x = 1024; playerShip.y = 2400; //Start music LK.playMusic('spaceMusic', { loop: true }); //Function to get world-specific upgrade pool function getWorldUpgrades() { if (waveNumber === 1) { return ['firepower', 'armor', 'speed']; } else if (waveNumber === 2) { return ['firepower', 'armor', 'speed', 'rapidFire', 'shield']; } else if (waveNumber === 3) { return ['firepower', 'armor', 'speed', 'rapidFire', 'shield', 'laser', 'multishot']; } return ['firepower', 'armor', 'speed']; } //Function to calculate enemy wave count function calculateWaveSize() { return 8 + Math.floor(waveNumber / 2); } //Function to spawn enemy wave function spawnEnemyWave() { if (waveNumber === 3) { waveEnemyCount = 0; waveEnemiesDefeated = 0; isBossWave = false; LK.setTimeout(function () { if (enemies.length === 0 && bosses.length === 0) { spawnBoss(); } }, 1000); return; } waveEnemyCount = 9; waveEnemiesDefeated = 0; isBossWave = false; for (var wave = 0; wave < 3; wave++) { LK.setTimeout(function (w) { return function () { for (var i = 0; i < 3; i++) { var enemy = game.addChild(new EnemyShip()); enemy.x = 100 + Math.random() * 1848; enemy.y = -100 - i * 150; enemy.speed = 2 + waveNumber * 0.3; enemy.shootRate = 60; enemy.waveNumber = waveNumber; enemy.lastBulletIntersecting = false; enemies.push(enemy); } }; }(wave), wave * 15000); } } //Function to spawn boss wave function spawnBoss() { isBossWave = true; waveEnemiesDefeated = 0; var boss; if (bossNumber === 1) { boss = game.addChild(new Boss1Ship()); } else if (bossNumber === 2) { boss = game.addChild(new Boss2Ship()); } else if (bossNumber === 3) { boss = game.addChild(new Boss3Ship()); } else { boss = game.addChild(new Boss3Ship()); } boss.x = 1024; boss.startX = 1024; boss.y = 300; boss.shootRate = Math.max(35, 60 - bossNumber * 3); bossHealthBarBg.visible = true; bossHealthBar.visible = true; bossHealthText.visible = true; bosses.push(boss); } //Initialize first wave spawnEnemyWave(); //Handle game movement game.move = function (x, y, obj) { touchX = x; playerShip.x = Math.max(30, Math.min(2018, x)); playerShip.y = Math.max(100, Math.min(2650, y)); }; //Main game update loop game.update = function () { if (gameState !== 'playing') { return; } //Update player ship playerShip.update(); playerShip.shootCooldown--; //Player shooting if (playerShip.shootCooldown <= 0) { for (var i = 0; i < playerShip.firepower; i++) { var offset = (playerShip.firepower - 1) * -15 + i * 30; var bullet = game.addChild(new PlayerBullet()); bullet.x = playerShip.x + offset; bullet.y = playerShip.y - 40; bullet.damage = playerShip.firepower; playerBullets.push(bullet); LK.getSound('playerShoot').play(); } playerShip.shootCooldown = playerShip.shootRate; } //Update player bullets for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; bullet.update(); if (bullet.y < -50) { bullet.destroy(); playerBullets.splice(i, 1); continue; } } //Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (!enemy) { continue; } enemy.update(); //Enemy shooting enemy.shootCooldown--; if (enemy.shootCooldown <= 0) { var eBullet = game.addChild(new EnemyBullet()); eBullet.x = enemy.x; eBullet.y = enemy.y + 30; enemyBullets.push(eBullet); LK.getSound('enemyShoot').play(); enemy.shootCooldown = enemy.shootRate; } //Check enemy off-screen if (enemy.y > 2800) { enemy.destroy(); enemies.splice(i, 1); continue; } //Check bullet collisions with enemies for (var j = playerBullets.length - 1; j >= 0; j--) { var bullet = playerBullets[j]; if (bullet && enemy && bullet.intersects(enemy) && !enemy.lastBulletIntersecting) { enemy.health -= bullet.damage; enemy.lastBulletIntersecting = true; bullet.destroy(); playerBullets.splice(j, 1); if (enemy.health <= 0) { LK.getSound('explosion').play(); LK.effects.flashObject(enemy, 0xff0000, 200); LK.setScore(LK.getScore() + 100); waveEnemiesDefeated++; //Drop upgrade pickup chance if (Math.random() < 0.3) { var pickup = game.addChild(new UpgradePickup()); pickup.x = enemy.x; pickup.y = enemy.y; pickup.originalY = enemy.y; var worldUpgrades = getWorldUpgrades(); pickup.upgradeType = worldUpgrades[Math.floor(Math.random() * worldUpgrades.length)]; pickup.setWorldType(waveNumber); upgradePickups.push(pickup); } enemy.destroy(); enemies.splice(i, 1); } break; } } } //Update bosses for (var i = bosses.length - 1; i >= 0; i--) { var boss = bosses[i]; if (!boss) { continue; } boss.update(); //Check Boss2 contact damage with player if (boss.bossNumber === 2 && boss.isAttackPhase) { if (boss.intersects(playerShip) && !boss.lastContactWithPlayer) { boss.lastContactWithPlayer = true; playerShip.health -= 1; LK.effects.flashObject(playerShip, 0xff0000, 200); if (playerShip.health <= 0) { gameState = 'gameover'; LK.showGameOver(); } //{Boss2-contactDamage} } else if (!boss.intersects(playerShip)) { boss.lastContactWithPlayer = false; } } //{Boss2-contactDamageEnd} //Boss shooting (multiple bullets) boss.shootCooldown--; if (boss.shootCooldown <= 0) { for (var b = 0; b < 2; b++) { var eBullet = game.addChild(new EnemyBullet()); eBullet.x = boss.x + (b - 1) * 30; eBullet.y = boss.y + 60; enemyBullets.push(eBullet); } LK.getSound('enemyShoot').play(); boss.shootCooldown = boss.shootRate; } //Check bullet collisions with boss for (var j = playerBullets.length - 1; j >= 0; j--) { var bullet = playerBullets[j]; if (bullet && boss && bullet.intersects(boss)) { boss.health -= 1; bullet.destroy(); playerBullets.splice(j, 1); LK.effects.flashObject(boss, 0xff00ff, 150); if (boss.health <= 0) { LK.getSound('explosion').play(); LK.effects.flashScreen(0xffff00, 500); LK.setScore(LK.getScore() + 1000); //Grant boss defeat upgrade playerShip.upgradePoints += 3; playerShip.firepower += 1; playerShip.armor += 1; playerShip.health = playerShip.maxHealth; boss.destroy(); bosses.splice(i, 1); bossNumber++; waveNumber++; //Spawn next wave after delay LK.setTimeout(function () { spawnEnemyWave(); }, 1000); } break; } } } //Update enemy bullets for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; bullet.update(); if (bullet.y > 2800) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } //Check collision with player if (bullet.intersects(playerShip) && !bullet.lastPlayerIntersecting) { bullet.lastPlayerIntersecting = true; playerShip.health -= Math.max(1, bullet.damage - (playerShip.armor - 1)); bullet.destroy(); enemyBullets.splice(i, 1); LK.effects.flashObject(playerShip, 0xff0000, 200); if (playerShip.health <= 0) { gameState = 'gameover'; LK.showGameOver(); } continue; } } //Update upgrade pickups for (var i = upgradePickups.length - 1; i >= 0; i--) { var pickup = upgradePickups[i]; pickup.update(); //Check collision with player if (pickup.intersects(playerShip) && !pickup.lastPlayerIntersecting) { pickup.lastPlayerIntersecting = true; LK.getSound('upgrade').play(); if (pickup.upgradeType === 'firepower') { playerShip.firepower++; } else if (pickup.upgradeType === 'armor') { playerShip.armor++; playerShip.health = playerShip.maxHealth; } else if (pickup.upgradeType === 'speed') { playerShip.shootRate = Math.max(5, playerShip.shootRate - 2); } else if (pickup.upgradeType === 'rapidFire') { playerShip.shootRate = Math.max(5, playerShip.shootRate - 3); } else if (pickup.upgradeType === 'shield') { playerShip.armor += 2; playerShip.health = playerShip.maxHealth; } else if (pickup.upgradeType === 'laser') { playerShip.firepower += 2; } else if (pickup.upgradeType === 'multishot') { playerShip.firepower += 1; playerShip.shootRate = Math.max(5, playerShip.shootRate - 1); } playerShip.upgradePoints++; LK.effects.flashObject(playerShip, 0x00ff00, 300); pickup.destroy(); upgradePickups.splice(i, 1); continue; } //Remove off-screen pickups if (pickup.y > 2800) { pickup.destroy(); upgradePickups.splice(i, 1); } } //Check if wave is complete and spawn boss if (enemies.length === 0 && !isBossWave && bosses.length === 0 && waveEnemiesDefeated === waveEnemyCount && waveEnemyCount > 0) { waveEnemyCount = 0; LK.setTimeout(function () { if (enemies.length === 0 && bosses.length === 0) { spawnBoss(); } }, 1500); } //Update boss health bar if (bosses.length > 0) { var boss = bosses[0]; var healthPercentage = Math.max(0, boss.health / boss.maxHealth); bossHealthBar.scaleX = healthPercentage; bossHealthBarBg.x = 1024; bossHealthBarBg.y = 60; bossHealthBar.x = 1024 - 190; bossHealthBar.y = 60; bossHealthText.setText('Boss ' + boss.bossNumber + ' HP: ' + Math.max(0, boss.health) + '/' + boss.maxHealth); } else { bossHealthBarBg.visible = false; bossHealthBar.visible = false; bossHealthText.visible = false; } //Update UI healthText.setText('Health: ' + Math.max(0, playerShip.health) + '/' + playerShip.maxHealth); var healthPercentage = Math.max(0, playerShip.health / playerShip.maxHealth); playerHealthBar.scaleX = healthPercentage; if (healthPercentage > 0.5) { playerHealthBar.tint = 0x00ff00; } else if (healthPercentage > 0.25) { playerHealthBar.tint = 0xffff00; } else { playerHealthBar.tint = 0xff0000; } upgradeText.setText('Upgrades: ' + playerShip.upgradePoints); waveText.setText('Wave: ' + waveNumber + ' | Boss: ' + bossNumber); };