/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var BossShip = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('enemyShip', { anchorX: 0.5, anchorY: 0.5 }); shipGraphics.scaleX = 5; shipGraphics.scaleY = 5; shipGraphics.tint = 0xFF0000; self.health = 10; self.maxHealth = 10; self.shootCooldown = 0; self.attackPattern = 0; self.update = function () { // Boss stays stationary - no movement // New attack pattern - orange and cyan attacks if (self.shootCooldown <= 0) { if (self.attackPattern % 2 === 0) { // Orange attack pattern - 3 orange attacks tracking player var playerDx = player.x - self.x; var playerDy = player.y - self.y; var playerDistance = Math.sqrt(playerDx * playerDx + playerDy * playerDy); var playerDirX = playerDx / playerDistance; var playerDirY = playerDy / playerDistance; for (var i = 0; i < 3; i++) { var orangeAttack = new OrangeAttack(); orangeAttack.x = self.x + (i - 1) * 120; // Spread attacks orangeAttack.y = self.y + 100; // Set tracking direction with spread var spreadAngle = (i - 1) * 0.2; orangeAttack.dirX = playerDirX * Math.cos(spreadAngle) - playerDirY * Math.sin(spreadAngle); orangeAttack.dirY = playerDirX * Math.sin(spreadAngle) + playerDirY * Math.cos(spreadAngle); game.addChild(orangeAttack); orangeAttacks.push(orangeAttack); } self.shootCooldown = 80; } else { // Cyan attack pattern - 2 cyan attacks tracking player var playerDx = player.x - self.x; var playerDy = player.y - self.y; var playerDistance = Math.sqrt(playerDx * playerDx + playerDy * playerDy); var playerDirX = playerDx / playerDistance; var playerDirY = playerDy / playerDistance; for (var i = 0; i < 2; i++) { var cyanAttack = new CyanAttack(); cyanAttack.x = self.x + (i === 0 ? -100 : 100); cyanAttack.y = self.y + 100; // Set tracking direction cyanAttack.dirX = playerDirX; cyanAttack.dirY = playerDirY; game.addChild(cyanAttack); cyanAttacks.push(cyanAttack); } self.shootCooldown = 90; } self.attackPattern++; } if (self.shootCooldown > 0) { self.shootCooldown--; } // Pulsing effect based on health var healthRatio = self.health / self.maxHealth; var pulseScale = 5 + Math.sin(LK.ticks * 0.1) * 0.5 * (1 - healthRatio); shipGraphics.scaleX = pulseScale; shipGraphics.scaleY = pulseScale; }; self.takeDamage = function (damage, isChargedAttack) { // Boss is immune to charged attacks if (isChargedAttack) { return; } self.health -= damage; LK.effects.flashObject(self, 0xFFFFFF, 200); if (self.health <= 0) { LK.setScore(LK.getScore() + 10); LK.getSound('enemyDestroy').play(); self.destroy(); bossActive = false; boss = null; gameLevel++; // Increment level when boss is defeated levelResetFlag = true; // Flag to show level indicator LK.showGameOver(); } }; return self; }); var BossWideLaser = Container.expand(function () { var self = Container.call(this); var laserGraphics = self.attachAsset('bossWideLaser', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.damage = 3; self.update = function () { // Move towards player if direction is set, otherwise move straight down if (self.dirX !== undefined && self.dirY !== undefined) { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; } else { self.y += self.speed; } }; return self; }); var ChargedPlayerLaser = Container.expand(function () { var self = Container.call(this); var laserGraphics = self.attachAsset('chargedPlayerLaser', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -10; self.damage = 3; self.update = function () { self.y += self.speed; }; return self; }); var CyanAttack = Container.expand(function () { var self = Container.call(this); var attackGraphics = self.attachAsset('cyanAttack', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.damage = 2; self.checkTimer = 0; self.update = function () { // Move towards player if direction is set, otherwise move straight down if (self.dirX !== undefined && self.dirY !== undefined) { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; } else { self.y += self.speed; } // Add pulsing cyan effect var pulse = 1 + Math.sin(LK.ticks * 0.2) * 0.3; attackGraphics.scaleX = pulse; attackGraphics.scaleY = pulse; }; return self; }); var EnemyProjectile = Container.expand(function () { var self = Container.call(this); var projectileGraphics = self.attachAsset('enemyProjectile', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 6; self.update = function () { self.y += self.speed; }; return self; }); var EnemyShip = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('enemyShip', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.health = 3; self.shootCooldown = Math.random() * 60 + 30; // Random initial cooldown self.update = function () { self.y += self.speed; // Enemy shooting if (self.shootCooldown <= 0) { var projectile = new EnemyProjectile(); projectile.x = self.x; projectile.y = self.y + 40; game.addChild(projectile); enemyProjectiles.push(projectile); self.shootCooldown = Math.random() * 90 + 60; // Random cooldown between shots } if (self.shootCooldown > 0) { self.shootCooldown--; } }; return self; }); var Level2EnemyShip = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('enemyShip', { anchorX: 0.5, anchorY: 0.5 }); // Level 2 enemies are larger and have different color shipGraphics.scaleX = 1.5; shipGraphics.scaleY = 1.5; shipGraphics.tint = 0xFF6600; // Orange tint for level 2 self.speed = 10; // Faster than regular enemies self.health = 5; // More health than regular enemies self.shootCooldown = Math.random() * 40 + 20; // Shoots more frequently self.zigzagTimer = 0; self.zigzagDirection = Math.random() > 0.5 ? 1 : -1; self.update = function () { self.y += self.speed; // Zigzag movement pattern self.zigzagTimer++; if (self.zigzagTimer % 30 === 0) { self.zigzagDirection *= -1; } self.x += self.zigzagDirection * 3; // Keep within screen bounds if (self.x < 100) { self.x = 100; self.zigzagDirection = 1; } if (self.x > 1948) { self.x = 1948; self.zigzagDirection = -1; } // Enhanced shooting - shoots 2 projectiles if (self.shootCooldown <= 0) { for (var i = 0; i < 2; i++) { var projectile = new EnemyProjectile(); projectile.x = self.x + (i === 0 ? -20 : 20); projectile.y = self.y + 40; projectile.speed = 8; // Faster projectiles game.addChild(projectile); enemyProjectiles.push(projectile); } self.shootCooldown = Math.random() * 60 + 40; } if (self.shootCooldown > 0) { self.shootCooldown--; } }; return self; }); var OrangeAttack = Container.expand(function () { var self = Container.call(this); var attackGraphics = self.attachAsset('orangeAttack', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.damage = 2; self.checkTimer = 0; self.update = function () { // Move towards player if direction is set, otherwise move straight down if (self.dirX !== undefined && self.dirY !== undefined) { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; } else { self.y += self.speed; } // Add pulsing orange effect var pulse = 1 + Math.sin(LK.ticks * 0.2) * 0.3; attackGraphics.scaleX = pulse; attackGraphics.scaleY = pulse; }; return self; }); var PlayerLaser = Container.expand(function () { var self = Container.call(this); var laserGraphics = self.attachAsset('playerLaser', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -8; 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 }); var chargeIndicator = self.attachAsset('chargeIndicator', { anchorX: 0.5, anchorY: 0.5 }); chargeIndicator.x = 0; chargeIndicator.y = -80; chargeIndicator.visible = false; self.health = 3; self.shootCooldown = 0; self.chargeAttackTime = 0; self.isCharging = false; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } if (self.isCharging) { self.chargeAttackTime++; // Create pulsing animation while charging var pulseIntensity = Math.min(self.chargeAttackTime / 60, 1); // 0 to 1 var pulseScale = 1 + Math.sin(LK.ticks * 0.3) * 0.15 * pulseIntensity; self.scaleX = pulseScale; self.scaleY = pulseScale; // Add color tint that gets stronger as charge builds var tintIntensity = Math.floor(pulseIntensity * 100); self.tint = 0xFFFFFF + (tintIntensity << 8); // Add green tint // When fully charged, show green square indicator if (self.chargeAttackTime >= 60) { var readyPulse = 1.2 + Math.sin(LK.ticks * 0.5) * 0.3; self.scaleX = readyPulse; self.scaleY = readyPulse; self.tint = 0x00FF00; // Bright green when ready chargeIndicator.visible = true; } } else { // Reset scale and tint when not charging self.scaleX = 1; self.scaleY = 1; self.tint = 0xFFFFFF; chargeIndicator.visible = false; } }; self.shoot = function () { if (self.shootCooldown <= 0) { var laser; // Create charged laser if charge time is sufficient if (self.chargeAttackTime >= 60) { laser = new ChargedPlayerLaser(); // Add spawn animation for charged laser laser.scaleX = 0.3; laser.scaleY = 0.3; tween(laser, { scaleX: 1, scaleY: 1 }, { duration: 200, easing: tween.easeOut }); // Add tint effect laser.tint = 0x00FF00; tween(laser, { tint: 0xFFFFFF }, { duration: 300 }); } else { laser = new PlayerLaser(); } laser.x = self.x; laser.y = self.y - 60; game.addChild(laser); playerLasers.push(laser); self.shootCooldown = 10; LK.getSound('shoot').play(); } }; self.takeDamage = function () { self.health--; LK.getSound('playerHit').play(); LK.effects.flashObject(self, 0xff0000, 500); if (self.health <= 0) { LK.showGameOver(); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000011 }); /**** * Game Code ****/ var player = new PlayerShip(); player.x = 2048 / 2; player.y = 2732 - 200; game.addChild(player); var enemies = []; var playerLasers = []; var enemyProjectiles = []; var spawnTimer = 0; var gameSpeed = 1; var playerShootCooldown = 0; var isFireButtonPressed = false; var bossActive = false; var boss = null; var bossProjectiles = []; var bossLasers = []; var bossWideLasers = []; var orangeAttacks = []; var cyanAttacks = []; var playerLastX = 0; var playerLastY = 0; var playerIsMoving = false; var gameLevel = 1; var levelResetFlag = false; 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: 3', { size: 60, fill: 0xFF4444 }); healthTxt.anchor.set(0, 0); healthTxt.x = 150; healthTxt.y = 50; LK.gui.topLeft.addChild(healthTxt); var fireButton = new Text2('FIRE', { size: 120, fill: 0x00FF00 }); fireButton.anchor.set(1, 0); LK.gui.topRight.addChild(fireButton); var levelTxt = new Text2('Level: 1', { size: 60, fill: 0xFFFF00 }); levelTxt.anchor.set(0.5, 0); levelTxt.x = 0; levelTxt.y = 150; LK.gui.top.addChild(levelTxt); var dragNode = null; fireButton.down = function (x, y, obj) { isFireButtonPressed = true; player.isCharging = true; player.chargeAttackTime = 0; if (playerShootCooldown <= 0) { player.shoot(); playerShootCooldown = 20; } }; fireButton.up = function (x, y, obj) { isFireButtonPressed = false; // Shoot charged laser if player was charging if (player.isCharging && player.chargeAttackTime >= 60) { if (playerShootCooldown <= 0) { player.shoot(); playerShootCooldown = 20; } } player.isCharging = false; player.chargeAttackTime = 0; }; game.down = function (x, y, obj) { dragNode = player; player.isCharging = true; player.chargeAttackTime = 0; if (playerShootCooldown <= 0) { player.shoot(); playerShootCooldown = 20; } }; game.move = function (x, y, obj) { if (dragNode) { dragNode.x = Math.max(100, Math.min(1948, x)); } }; game.up = function (x, y, obj) { dragNode = null; // Shoot charged laser if player was charging if (player.isCharging && player.chargeAttackTime >= 60) { if (playerShootCooldown <= 0) { player.shoot(); playerShootCooldown = 20; } } player.isCharging = false; player.chargeAttackTime = 0; }; game.update = function () { // Update cooldown if (playerShootCooldown > 0) { playerShootCooldown--; } // Track player movement var currentPlayerMoving = Math.abs(player.x - playerLastX) > 1 || Math.abs(player.y - playerLastY) > 1; playerIsMoving = currentPlayerMoving; playerLastX = player.x; playerLastY = player.y; // Update UI scoreTxt.setText('Score: ' + LK.getScore()); healthTxt.setText('Health: ' + player.health); levelTxt.setText('Level: ' + gameLevel); // Show level indicator when level changes if (levelResetFlag) { LK.effects.flashScreen(0x00FF00, 800); // Green flash for level up levelResetFlag = false; } // Boss spawn when player reaches score threshold based on level var bossSpawnThreshold = 100 * gameLevel; if (LK.getScore() >= bossSpawnThreshold && !bossActive) { boss = new BossShip(); boss.x = 2048 / 2; boss.y = 200; // Scale boss health with level boss.health = 10 + (gameLevel - 1) * 5; boss.maxHealth = boss.health; game.addChild(boss); bossActive = true; } // Spawn regular enemies (only when boss is not active) if (!bossActive) { spawnTimer++; var spawnRate = Math.max(120 - Math.floor(LK.getScore() / 10) * 10, 60); if (spawnTimer >= spawnRate) { var enemy; // Spawn level 2 enemies if we're on level 2 or higher if (gameLevel >= 2) { // Mix of regular and level 2 enemies, with more level 2 enemies on higher levels if (Math.random() < 0.7) { enemy = new Level2EnemyShip(); } else { enemy = new EnemyShip(); } } else { enemy = new EnemyShip(); } enemy.x = Math.random() * 1848 + 100; enemy.y = -50; if (enemy.speed === undefined) { enemy.speed = 6 + Math.floor(LK.getScore() / 15) * 1.5; } enemies.push(enemy); game.addChild(enemy); spawnTimer = 0; } } // Update and check player lasers for (var i = playerLasers.length - 1; i >= 0; i--) { var laser = playerLasers[i]; if (laser.lastY === undefined) laser.lastY = laser.y; // Remove lasers that go off screen if (laser.lastY >= -50 && laser.y < -50) { laser.destroy(); playerLasers.splice(i, 1); continue; } // Check collision with enemies var hitEnemy = false; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (laser.intersects(enemy)) { enemy.health -= laser.damage; laser.destroy(); playerLasers.splice(i, 1); hitEnemy = true; if (enemy.health <= 0) { LK.setScore(LK.getScore() + 10); LK.getSound('enemyDestroy').play(); enemy.destroy(); enemies.splice(j, 1); } break; } } // Check collision with boss if (bossActive && boss && laser.intersects(boss)) { var isChargedAttack = laser.damage > 1; boss.takeDamage(laser.damage, isChargedAttack); laser.destroy(); playerLasers.splice(i, 1); hitEnemy = true; } if (!hitEnemy) { laser.lastY = laser.y; } } // Update and check enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.lastY === undefined) enemy.lastY = enemy.y; // Remove enemies that reach bottom if (enemy.lastY <= 2732 && enemy.y > 2732) { enemy.destroy(); enemies.splice(i, 1); continue; } // Check collision with player if (enemy.intersects(player)) { enemy.destroy(); enemies.splice(i, 1); player.takeDamage(); continue; } enemy.lastY = enemy.y; } // Check boss collision with player if (bossActive && boss && boss.intersects(player)) { player.takeDamage(); player.takeDamage(); // Boss does double damage } // Update and check enemy projectiles for (var i = enemyProjectiles.length - 1; i >= 0; i--) { var projectile = enemyProjectiles[i]; if (projectile.lastY === undefined) projectile.lastY = projectile.y; // Remove projectiles that go off screen if (projectile.lastY <= 2732 && projectile.y > 2732) { projectile.destroy(); enemyProjectiles.splice(i, 1); continue; } // Check collision with player if (projectile.intersects(player)) { projectile.destroy(); enemyProjectiles.splice(i, 1); // Enemy projectiles no longer cause damage - just destroy on contact // Enhanced damage for boss projectiles if (projectile.damage && projectile.damage > 1) { // player.takeDamage(); // player.takeDamage(); } else { // player.takeDamage(); } continue; } projectile.lastY = projectile.y; } // Update and check boss projectiles for (var i = bossProjectiles.length - 1; i >= 0; i--) { var projectile = bossProjectiles[i]; // Remove projectiles if boss is dead or projectiles go too far var shouldRemove = false; if (!boss) { shouldRemove = true; } else { var distanceFromBoss = Math.sqrt(Math.pow(projectile.x - boss.x, 2) + Math.pow(projectile.y - boss.y, 2)); shouldRemove = distanceFromBoss > 800; } if (shouldRemove || projectile.y > 2732 || projectile.y < -100 || projectile.x < -100 || projectile.x > 2148) { projectile.destroy(); bossProjectiles.splice(i, 1); continue; } // Check collision with player if (projectile.intersects(player)) { projectile.destroy(); bossProjectiles.splice(i, 1); // Giant projectiles do massive damage player.takeDamage(); player.takeDamage(); player.takeDamage(); continue; } } // Update and check boss lasers for (var i = bossLasers.length - 1; i >= 0; i--) { var laser = bossLasers[i]; if (laser.lastY === undefined) laser.lastY = laser.y; // Remove lasers that go off screen if (laser.lastY <= 2732 && laser.y > 2732) { laser.destroy(); bossLasers.splice(i, 1); continue; } // Check collision with player if (laser.intersects(player)) { laser.destroy(); bossLasers.splice(i, 1); player.takeDamage(); player.takeDamage(); // Boss lasers do double damage continue; } laser.lastY = laser.y; } // Update and check boss wide lasers for (var i = bossWideLasers.length - 1; i >= 0; i--) { var laser = bossWideLasers[i]; if (laser.lastY === undefined) laser.lastY = laser.y; // Remove lasers that go off screen if (laser.lastY <= 2732 && laser.y > 2732) { laser.destroy(); bossWideLasers.splice(i, 1); continue; } // Check collision with player if (laser.intersects(player)) { laser.destroy(); bossWideLasers.splice(i, 1); // Wide lasers do massive damage player.takeDamage(); player.takeDamage(); player.takeDamage(); continue; } laser.lastY = laser.y; } // Update and check orange attacks for (var i = orangeAttacks.length - 1; i >= 0; i--) { var attack = orangeAttacks[i]; if (attack.lastY === undefined) attack.lastY = attack.y; // Remove attacks that go off screen if (attack.lastY <= 2732 && attack.y > 2732) { attack.destroy(); orangeAttacks.splice(i, 1); continue; } // Check collision with player - damage only when player is NOT moving if (attack.intersects(player)) { attack.destroy(); orangeAttacks.splice(i, 1); // Orange attacks damage player when NOT moving if (!playerIsMoving) { player.takeDamage(); } continue; } attack.lastY = attack.y; } // Update and check cyan attacks for (var i = cyanAttacks.length - 1; i >= 0; i--) { var attack = cyanAttacks[i]; if (attack.lastY === undefined) attack.lastY = attack.y; // Remove attacks that go off screen if (attack.lastY <= 2732 && attack.y > 2732) { attack.destroy(); cyanAttacks.splice(i, 1); continue; } // Check collision with player - damage only when player IS moving if (attack.intersects(player)) { attack.destroy(); cyanAttacks.splice(i, 1); // Cyan attacks damage player when moving if (playerIsMoving) { player.takeDamage(); } continue; } attack.lastY = attack.y; } };