/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var BossJet = Container.expand(function () { var self = Container.call(this); var jetGraphics = self.attachAsset('bossJet', { anchorX: 0.5, anchorY: 0.5 }); self.health = 500; self.maxHealth = 500; self.damage = 25; self.speed = 2; self.shootTimer = 0; self.shootDelay = 180; self.moveTimer = 0; self.phase = 1; self.missileTimer = 0; self.missileDelay = 200; self.laserTimer = 0; self.laserDelay = 280; self.update = function () { self.moveTimer++; if (self.y < 300) { self.y += self.speed; } else { // Enhanced movement pattern with more variation var movementIntensity = 3 + (self.phase - 1) * 2; var movementSpeed = 0.05 + (self.phase - 1) * 0.02; self.x += Math.sin(self.moveTimer * movementSpeed) * movementIntensity; // Add occasional position changes for more unpredictable movement if (self.moveTimer % 180 === 0) { var targetX = 400 + Math.random() * 1248; var deltaX = targetX - self.x; self.x += deltaX * 0.1; } if (self.x < 200) self.x = 200; if (self.x > 1848) self.x = 1848; } if (self.shootTimer > 0) { self.shootTimer--; } else { self.shoot(); } if (self.missileTimer > 0) { self.missileTimer--; } else if (self.phase >= 1) { self.shootMissile(); } if (self.laserTimer > 0) { self.laserTimer--; } else if (self.phase >= 2) { self.shootLaser(); } if (self.health < self.maxHealth * 0.5 && self.phase === 1) { self.phase = 2; self.shootDelay = 85; self.missileDelay = 100; jetGraphics.tint = 0xFF6B6B; } }; self.shoot = function () { for (var i = -1; i <= 1; i++) { var bullet = new EnemyBullet(); bullet.x = self.x + i * 40; bullet.y = self.y + 60; bullet.damage = self.damage; enemyBullets.push(bullet); game.addChild(bullet); } LK.getSound('shoot').play(); self.shootTimer = self.shootDelay; }; self.shootMissile = function () { var missile = new BossMissile(); missile.x = self.x; missile.y = self.y + 60; missile.targetPlayer = player; missile.damage = 30; bossMissiles.push(missile); game.addChild(missile); self.missileTimer = self.missileDelay; }; self.shootLaser = function () { var laser = new BossLaser(); laser.x = player.x; laser.y = -200; laser.moveDown = true; bossLasers.push(laser); game.addChild(laser); self.laserTimer = self.laserDelay; }; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xFFFFFF, 200); if (self.health <= 0) { LK.getSound('enemyHit').play(); var bossDropPowerUp = new PowerUpBoss(); bossDropPowerUp.x = self.x; bossDropPowerUp.y = self.y; powerUps.push(bossDropPowerUp); game.addChild(bossDropPowerUp); self.destroy(); bossDefeated = true; LK.setScore(LK.getScore() + 1000); scoreText.setText('Score: ' + LK.getScore()); } }; return self; }); var BossLaser = Container.expand(function () { var self = Container.call(this); var laserGraphics = self.attachAsset('bossLaser', { anchorX: 0.5, anchorY: 0 }); self.damage = 50; self.duration = 120; self.timer = 0; self.warningTimer = 60; self.active = false; self.moveDown = false; laserGraphics.alpha = 0; self.update = function () { self.timer++; if (self.moveDown) { self.y += 5; } if (self.timer < self.warningTimer) { // Warning phase - red tint and flashing laserGraphics.alpha = 0.3 + Math.sin(self.timer * 0.3) * 0.2; laserGraphics.tint = 0xff0000; } else if (self.timer < self.duration) { // Active laser phase if (!self.active) { self.active = true; laserGraphics.tint = 0x00ff00; laserGraphics.alpha = 0.8; } } else { self.destroy(); } }; return self; }); var BossMissile = Container.expand(function () { var self = Container.call(this); var missileGraphics = self.attachAsset('bossMissile', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 6.5; self.damage = 30; self.turnSpeed = 0.05; self.targetPlayer = null; self.update = function () { if (self.targetPlayer) { var dx = self.targetPlayer.x - self.x; var dy = self.targetPlayer.y - self.y; var targetAngle = Math.atan2(dy, dx); var currentAngle = self.rotation; var angleDiff = targetAngle - currentAngle; while (angleDiff > Math.PI) angleDiff -= Math.PI * 2; while (angleDiff < -Math.PI) angleDiff += Math.PI * 2; self.rotation += angleDiff * self.turnSpeed; self.x += Math.cos(self.rotation) * self.speed; self.y += Math.sin(self.rotation) * self.speed; } else { self.y += self.speed; } }; 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 = 7; self.damage = 15; self.update = function () { self.y += self.speed; }; return self; }); var EnemyJet = Container.expand(function () { var self = Container.call(this); var jetGraphics = self.attachAsset('enemyJet', { anchorX: 0.5, anchorY: 0.5 }); self.health = 40; self.damage = 15; self.speed = 1.2; self.shootTimer = 0; self.shootDelay = 75; self.movePattern = 'straight'; self.moveTimer = 0; self.update = function () { self.moveTimer++; if (self.movePattern === 'straight') { self.y += self.speed; // Keep enemy within screen bounds if (self.y > 2600) { self.y = 2600; self.speed = -Math.abs(self.speed); // Reverse direction } else if (self.y < 100) { self.y = 100; self.speed = Math.abs(self.speed); // Move down again } } else if (self.movePattern === 'zigzag') { self.y += self.speed; self.x += Math.sin(self.moveTimer * 0.1) * 2; // Keep enemy within screen bounds if (self.y > 2600) { self.y = 2600; self.speed = -Math.abs(self.speed); // Reverse direction } else if (self.y < 100) { self.y = 100; self.speed = Math.abs(self.speed); // Move down again } // Keep X position within bounds for zigzag pattern if (self.x < 100) self.x = 100; if (self.x > 1948) self.x = 1948; } if (self.shootTimer > 0) { self.shootTimer--; } else if (self.y > 200 && self.y < 2000) { self.shoot(); } }; self.shoot = function () { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y + 40; bullet.damage = self.damage; enemyBullets.push(bullet); game.addChild(bullet); self.shootTimer = self.shootDelay; }; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xFFFFFF, 200); if (self.health <= 0) { LK.getSound('enemyHit').play(); self.destroy(); enemiesKilled++; LK.setScore(LK.getScore() + 100); scoreText.setText('Score: ' + LK.getScore()); if (Math.random() < 0.15) { spawnPowerUp(self.x, self.y); } } }; 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 = -10; self.damage = 20; self.update = function () { self.y += self.speed; }; return self; }); var PlayerJet = Container.expand(function () { var self = Container.call(this); var jetGraphics = self.attachAsset('playerJet', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.damage = 20; self.speed = 8; self.shootTimer = 0; self.shootDelay = 25; self.shieldActive = false; self.shieldTimer = 0; self.damageBoostActive = false; self.damageBoostTimer = 0; self.specialWeaponActive = false; self.specialWeaponTimer = 0; self.update = function () { if (self.shootTimer > 0) self.shootTimer--; if (self.shieldActive) { self.shieldTimer--; if (self.shieldTimer <= 0) { self.shieldActive = false; jetGraphics.tint = 0xFFFFFF; } } if (self.damageBoostActive) { self.damageBoostTimer--; if (self.damageBoostTimer <= 0) { self.damageBoostActive = false; jetGraphics.tint = self.shieldActive ? 0x3498DB : 0xFFFFFF; } } if (self.specialWeaponActive) { self.specialWeaponTimer--; if (self.specialWeaponTimer <= 0) { self.specialWeaponActive = false; } } }; self.shoot = function () { if (self.shootTimer > 0) return; var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y - 50; bullet.damage = self.damageBoostActive ? self.damage * 2 : self.damage; playerBullets.push(bullet); game.addChild(bullet); if (self.specialWeaponActive) { var leftBullet = new PlayerBullet(); leftBullet.x = self.x - 30; leftBullet.y = self.y - 40; leftBullet.damage = bullet.damage; playerBullets.push(leftBullet); game.addChild(leftBullet); var rightBullet = new PlayerBullet(); rightBullet.x = self.x + 30; rightBullet.y = self.y - 40; rightBullet.damage = bullet.damage; playerBullets.push(rightBullet); game.addChild(rightBullet); } if (self.specialWeaponActive) { self.shootTimer = Math.ceil(self.shootDelay * 2); } else { self.shootTimer = self.shootDelay; } LK.getSound('shoot').play(); }; self.takeDamage = function (damage) { if (self.shieldActive) return; self.health -= damage; LK.effects.flashObject(self, 0xFF0000, 300); LK.getSound('playerHit').play(); if (self.health <= 0) { LK.showGameOver(); } }; self.activateShield = function () { self.shieldActive = true; self.shieldTimer = 300; jetGraphics.tint = 0x3498DB; }; self.activateDamageBoost = function () { self.damageBoostActive = true; self.damageBoostTimer = 300; jetGraphics.tint = self.shieldActive ? 0x9B59B6 : 0x27AE60; }; self.activateSpecialWeapon = function () { self.specialWeaponActive = true; self.specialWeaponTimer = 300; }; self.upgrade = function () { self.maxHealth += 20; self.health = self.maxHealth; self.damage += 5; self.speed += 0.5; if (self.shootDelay > 5) self.shootDelay -= 1; }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); self.type = 'damage'; self.speed = 2; self.bobTimer = 0; self.setType = function (type) { self.type = type; var assetId = 'powerUpDamage'; if (type === 'shield') assetId = 'powerUpShield';else if (type === 'special') assetId = 'powerUpSpecial'; var graphics = self.attachAsset(assetId, { anchorX: 0.5, anchorY: 0.5 }); }; self.update = function () { self.y += self.speed; self.bobTimer++; self.scaleX = 1 + Math.sin(self.bobTimer * 0.2) * 0.1; self.scaleY = 1 + Math.sin(self.bobTimer * 0.2) * 0.1; }; return self; }); var PowerUpBoss = Container.expand(function () { var self = Container.call(this); self.type = 'boss'; self.speed = 2; self.bobTimer = 0; var graphics = self.attachAsset('powerUpSpecial', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.y += self.speed; self.bobTimer++; self.scaleX = 1 + Math.sin(self.bobTimer * 0.15) * 0.15; self.scaleY = 1 + Math.sin(self.bobTimer * 0.15) * 0.15; }; return self; }); var Star = Container.expand(function () { var self = Container.call(this); var starGraphics = self.attachAsset('star', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 1 + Math.random() * 2; self.twinkleTimer = Math.random() * 120; self.update = function () { self.y += self.speed; self.twinkleTimer++; // Twinkling effect starGraphics.alpha = 0.3 + Math.sin(self.twinkleTimer * 0.05) * 0.3; // Reset position when off screen if (self.y > 2800) { self.y = -20; self.x = Math.random() * 2048; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000511 }); /**** * Game Code ****/ var player = game.addChild(new PlayerJet()); player.x = 1024; player.y = 2400; var enemies = []; var playerBullets = []; var enemyBullets = []; var bossMissiles = []; var bossLasers = []; var powerUps = []; var stars = []; var starSpawnTimer = 0; var currentWave = 1; var maxWaves = 20; var waveInProgress = false; var enemiesInWave = 0; var enemiesKilled = 0; var enemiesOffScreen = 0; var bossWave = false; var bossDefeated = false; var waveStartTimer = 0; var gameWon = false; var dragActive = false; var scoreText = new Text2('Score: 0', { size: 80, fill: '#ffffff' }); scoreText.anchor.set(0, 0); scoreText.x = 120; scoreText.y = 50; LK.gui.topLeft.addChild(scoreText); var waveText = new Text2('Wave 1', { size: 100, fill: '#FFD700' }); waveText.anchor.set(0.5, 0); LK.gui.top.addChild(waveText); var healthText = new Text2('Health: 100', { size: 80, fill: '#E74C3C' }); healthText.anchor.set(1, 0); healthText.x = -50; healthText.y = 50; LK.gui.topRight.addChild(healthText); function spawnWave() { if (currentWave > maxWaves) { if (!gameWon) { gameWon = true; LK.showYouWin(); } return; } waveInProgress = true; bossWave = currentWave % 2 === 0; enemiesKilled = 0; bossDefeated = false; waveText.setText('Wave ' + currentWave); if (bossWave) { enemiesInWave = 1; var boss = new BossJet(); boss.x = 300 + Math.random() * 1448; // Random X position within safe bounds boss.y = -100; boss.health = 700 + (currentWave - 2) * 200; boss.maxHealth = boss.health; enemies.push(boss); game.addChild(boss); } else { enemiesInWave = Math.min(3 + currentWave, 8); for (var i = 0; i < enemiesInWave; i++) { LK.setTimeout(function () { var enemy = new EnemyJet(); enemy.x = 300 + Math.random() * 1448; enemy.y = -100 - Math.random() * 300; enemy.health = 40 + currentWave * 20; enemy.speed += currentWave * 0.3; enemy.shootDelay = Math.max(80, 140 - currentWave * 3); if (currentWave >= 3 && Math.random() < 0.4) { enemy.movePattern = 'zigzag'; } enemies.push(enemy); game.addChild(enemy); }, i * 800); } } } function spawnPowerUp(x, y) { var powerUp = new PowerUp(); var types = ['damage', 'shield', 'special']; var randomType = types[Math.floor(Math.random() * types.length)]; powerUp.setType(randomType); powerUp.x = x; powerUp.y = y; powerUps.push(powerUp); game.addChild(powerUp); } function checkWaveComplete() { if (!waveInProgress) return; var allEnemiesDefeated = false; if (bossWave) { allEnemiesDefeated = bossDefeated; } else { allEnemiesDefeated = enemiesKilled + enemiesOffScreen >= enemiesInWave; } if (allEnemiesDefeated) { waveInProgress = false; currentWave++; enemiesOffScreen = 0; // Reset off-screen counter if (currentWave <= maxWaves) { player.upgrade(); LK.getSound('waveComplete').play(); LK.effects.flashScreen(0x27AE60, 1000); waveStartTimer = 180; } } } game.down = function (x, y, obj) { dragActive = true; player.x = x; player.y = y; }; game.move = function (x, y, obj) { if (dragActive) { player.x = Math.max(60, Math.min(1988, x)); player.y = Math.max(200, Math.min(2600, y)); } }; game.up = function (x, y, obj) { dragActive = false; }; game.update = function () { if (waveStartTimer > 0) { waveStartTimer--; if (waveStartTimer === 0) { spawnWave(); } } else if (!waveInProgress && currentWave <= maxWaves) { spawnWave(); } player.shoot(); healthText.setText('Health: ' + Math.max(0, player.health)); for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; if (bullet.y < -50) { bullet.destroy(); playerBullets.splice(i, 1); continue; } if (i < 0 || i >= playerBullets.length) continue; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { enemy.takeDamage(bullet.damage); bullet.destroy(); playerBullets.splice(i, 1); if (enemy.health <= 0) { enemies.splice(j, 1); } break; } } if (i < 0 || i >= playerBullets.length) continue; for (var j = bossMissiles.length - 1; j >= 0; j--) { var missile = bossMissiles[j]; if (bullet.intersects(missile)) { missile.destroy(); bossMissiles.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.y > 2800) { bullet.destroy(); enemyBullets.splice(i, 1); continue; } if (bullet.intersects(player)) { player.takeDamage(bullet.damage); bullet.destroy(); enemyBullets.splice(i, 1); } } for (var i = bossMissiles.length - 1; i >= 0; i--) { var missile = bossMissiles[i]; if (missile.y > 2800 || missile.x < -100 || missile.x > 2148) { missile.destroy(); bossMissiles.splice(i, 1); continue; } if (missile.intersects(player)) { player.takeDamage(missile.damage); missile.destroy(); bossMissiles.splice(i, 1); } } for (var i = bossLasers.length - 1; i >= 0; i--) { var laser = bossLasers[i]; if (laser.timer >= laser.duration) { bossLasers.splice(i, 1); continue; } if (laser.active && laser.intersects(player)) { player.takeDamage(laser.damage); laser.destroy(); bossLasers.splice(i, 1); } } for (var i = powerUps.length - 1; i >= 0; i--) { var powerUp = powerUps[i]; if (powerUp.y > 2800) { powerUp.destroy(); powerUps.splice(i, 1); continue; } if (powerUp.intersects(player)) { LK.getSound('powerUp').play(); if (powerUp.type === 'damage') { player.activateDamageBoost(); } else if (powerUp.type === 'shield') { player.activateShield(); } else if (powerUp.type === 'special') { player.activateSpecialWeapon(); } else if (powerUp.type === 'boss') { player.activateSpecialWeapon(); } powerUp.destroy(); powerUps.splice(i, 1); } } // Check for enemies that went off screen for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.y > 2800 || enemy.y < -200 || enemy.x < -200 || enemy.x > 2248) { if (!bossWave) { // Don't count boss as off-screen enemiesOffScreen++; } enemy.destroy(); enemies.splice(i, 1); } } // Spawn stars for background starSpawnTimer++; if (starSpawnTimer > 20) { starSpawnTimer = 0; if (stars.length < 50) { var star = new Star(); star.x = Math.random() * 2048; star.y = -20; stars.push(star); game.addChild(star); } } // Update and cleanup stars for (var i = stars.length - 1; i >= 0; i--) { var star = stars[i]; if (star.y > 2800) { star.destroy(); stars.splice(i, 1); } } checkWaveComplete(); }; LK.playMusic('combat');