/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Boss = Container.expand(function () { var self = Container.call(this); var bossGraphics = self.attachAsset('boss', { anchorX: 0.5, anchorY: 0.5 }); self.maxHealth = 1000; self.health = self.maxHealth; self.shootCooldown = 60; self.shootPattern = 0; self.patternTime = 0; self.moveDirection = 1; self.moveSpeed = 3; self.phaseThresholds = [0.7, 0.4, 0.1]; self.currentPhase = 0; self.takeDamage = function (amount) { self.health -= amount; self.health = Math.max(0, self.health); LK.getSound('hit').play(); LK.effects.flashObject(self, 0xffffff, 200); updateHealthBars(); // Check for phase transitions var healthPercentage = self.health / self.maxHealth; if (self.currentPhase < self.phaseThresholds.length && healthPercentage <= self.phaseThresholds[self.currentPhase]) { self.transitionPhase(); } if (self.health <= 0) { var explodeBoss = function explodeBoss() { // Create multiple explosion particles for (var i = 0; i < 20; i++) { var particle = new Container(); var size = 30 + Math.random() * 70; var explosionGraphic = particle.attachAsset('bossBullet', { anchorX: 0.5, anchorY: 0.5 }); // Randomize size and position explosionGraphic.width = explosionGraphic.height = size; explosionGraphic.tint = 0xFF4500; // Orange-red color // Position particles randomly around boss center particle.x = self.x + (Math.random() - 0.5) * 200; particle.y = self.y + (Math.random() - 0.5) * 200; game.addChild(particle); // Animate expansion and fade out tween(explosionGraphic, { alpha: 0, width: size * 3, height: size * 3 }, { duration: 800 + Math.random() * 700, easing: tween.easeOut, onFinish: function onFinish() { particle.destroy(); } }); } // Hide the boss graphic self.alpha = 0; // Show win screen after explosion animation LK.setTimeout(function () { LK.effects.flashScreen(0xffffff, 1000); LK.showYouWin(); }, 1200); }; LK.getSound('bossDeath').play(); // Create explosion animation on boss explodeBoss(); } }; self.transitionPhase = function () { self.currentPhase++; self.moveSpeed += 1; self.patternTime = 0; // Increase shoot cooldown with each phase to reduce bullet frequency self.shootCooldown = 120; // Give player a breather when phase changes // Flash the boss to indicate phase change LK.effects.flashObject(self, 0xff00ff, 500); if (self.currentPhase === 1) { // Phase 2: Boss moves faster and changes shoot pattern self.shootPattern = 1; } else if (self.currentPhase === 2) { // Phase 3: Boss moves even faster and uses spiral pattern self.shootPattern = 2; } else if (self.currentPhase === 3) { // Final phase: Boss goes berserk with all patterns self.shootPattern = 3; } }; self.shootBullet = function (angle) { var bullet = new BossBullet(); bullet.x = self.x; bullet.y = self.y + 100; // Reduce bullet speed to give player more time to dodge bullet.init(3 + self.currentPhase, angle); game.addChild(bullet); bossBullets.push(bullet); }; self.update = function () { // Movement patterns self.patternTime++; // Basic side-to-side movement self.x += self.moveSpeed * self.moveDirection; // Change direction when hitting screen bounds if (self.x > 1800) { self.moveDirection = -1; } else if (self.x < 248) { self.moveDirection = 1; } // Additional vertical movement in later phases if (self.currentPhase >= 1) { self.y += Math.sin(self.patternTime * 0.02) * 2; } // Shooting logic self.shootCooldown--; if (self.shootCooldown <= 0) { LK.getSound('bossShoot').play(); // Different shooting patterns based on current phase - simplified to reduce bullet count switch (self.shootPattern) { case 0: // Basic straight shots - unchanged self.shootBullet(0); self.shootCooldown = 90; //{y} // Increased cooldown break; case 1: // Reduced three-way to two-way spread self.shootBullet(-0.2); self.shootBullet(0.2); self.shootCooldown = 80; //{B} // Increased cooldown break; case 2: // Reduced spiral pattern from 5 to 3 bullets var angleOffset = self.patternTime * 0.1 % (Math.PI * 2); for (var i = 0; i < 3; i++) { // Reduced from 5 to 3 var angle = angleOffset + i * Math.PI * 2 / 3; // Adjusted spacing self.shootBullet(angle); } self.shootCooldown = 100; //{G} // Increased cooldown break; case 3: // Simplified berserk mode if (self.patternTime % 180 < 90) { // Single straight shot instead of triple self.shootBullet(0); self.shootCooldown = 40; // Increased cooldown } else { // Reduced spiral pattern var angleOffset = self.patternTime * 0.15 % (Math.PI * 2); for (var i = 0; i < 4; i++) { // Reduced from 8 to 4 var angle = angleOffset + i * Math.PI * 2 / 4; // Adjusted spacing self.shootBullet(angle); } self.shootCooldown = 90; //{M} // Increased cooldown } break; } } }; return self; }); var BossBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bossBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.angle = 0; self.speedX = 0; self.init = function (speed, angle) { self.speed = speed || 8; self.angle = angle || 0; self.speedX = Math.sin(self.angle) * self.speed; self.speedY = Math.cos(self.angle) * self.speed; }; self.update = function () { self.y += self.speedY; self.x += self.speedX; }; return self; }); var HealthBar = Container.expand(function () { var self = Container.call(this); var background = self.attachAsset('healthBarBg', { anchorX: 0, anchorY: 0 }); var bar = self.attachAsset('healthBar', { anchorX: 0, anchorY: 0 }); self.setPercentage = function (percentage) { bar.scale.x = Math.max(0, Math.min(1, percentage)); }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var shipGraphics = self.attachAsset('playerShip', { anchorX: 0.5, anchorY: 0.5 }); self.maxHealth = 100; self.health = self.maxHealth; self.shootCooldown = 0; self.shootCooldownMax = 15; self.invulnerable = false; self.invulnerableTime = 0; self.shoot = function () { if (self.shootCooldown <= 0) { var bullet = new PlayerBullet(); bullet.x = self.x; bullet.y = self.y - 60; game.addChild(bullet); playerBullets.push(bullet); self.shootCooldown = self.shootCooldownMax; LK.getSound('playerShoot').play(); } }; self.takeDamage = function (amount) { if (!self.invulnerable) { self.health -= amount; self.health = Math.max(0, self.health); LK.getSound('playerHit').play(); LK.effects.flashObject(self, 0xff0000, 500); updateHealthBars(); self.invulnerable = true; self.invulnerableTime = 60; if (self.health <= 0) { LK.showGameOver(); } } }; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } if (self.invulnerable) { self.invulnerableTime--; shipGraphics.alpha = Math.sin(LK.ticks * 0.5) * 0.5 + 0.5; if (self.invulnerableTime <= 0) { self.invulnerable = false; shipGraphics.alpha = 1; } } }; 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 = 10; self.update = function () { self.y += self.speed; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000022 }); /**** * Game Code ****/ // Game variables var player; var boss; var playerBullets = []; var bossBullets = []; var playerHealthBar; var bossHealthBar; var scoreText; var score = 0; var isShooting = false; var dragTarget = null; var background; var background2; // Initialize the game function initializeGame() { // Add background var background = game.addChild(LK.getAsset('background', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 })); // Create a second background for seamless scrolling var background2 = game.addChild(LK.getAsset('background', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 - 2732 // Position it above the first background })); // Setup player player = new Player(); player.x = 2048 / 2; player.y = 2732 - 200; game.addChild(player); // Setup boss boss = new Boss(); boss.x = 2048 / 2; boss.y = 400; game.addChild(boss); // Initialize bullet arrays playerBullets = []; bossBullets = []; // Setup UI setupUI(); // Play background music LK.playMusic('battleMusic'); // Reset score score = 0; LK.setScore(score); updateScoreText(); } function setupUI() { // Player health bar (bottom left) playerHealthBar = new HealthBar(); playerHealthBar.x = 50; playerHealthBar.y = 2732 - 80; LK.gui.addChild(playerHealthBar); // Boss health bar (top center) bossHealthBar = new HealthBar(); bossHealthBar.x = (2048 - 400) / 2; bossHealthBar.y = 50; LK.gui.addChild(bossHealthBar); // Score text scoreText = new Text2('Score: 0', { size: 50, fill: 0xFFFFFF }); scoreText.anchor.set(1, 0); scoreText.x = 2048 - 50; scoreText.y = 50; LK.gui.addChild(scoreText); updateHealthBars(); } function updateHealthBars() { if (player && playerHealthBar) { playerHealthBar.setPercentage(player.health / player.maxHealth); } if (boss && bossHealthBar) { bossHealthBar.setPercentage(boss.health / boss.maxHealth); } } function updateScoreText() { if (scoreText) { scoreText.setText('Score: ' + score); } } function addScore(points) { score += points; LK.setScore(score); updateScoreText(); } // Game events game.down = function (x, y, obj) { isShooting = true; dragTarget = player; handleMove(x, y, obj); }; game.up = function (x, y, obj) { isShooting = false; dragTarget = null; }; function handleMove(x, y, obj) { if (dragTarget === player) { // Keep player within screen bounds, but fixed at bottom player.x = Math.max(50, Math.min(2048 - 50, x)); player.y = 2732 - 200; // Fixed position at bottom of screen } } game.move = handleMove; // Main game update loop game.update = function () { // Animate background scrolling if (background && background2) { // Move backgrounds down background.y += 1; background2.y += 1; // Reset position when background goes off screen if (background.y - background.height / 2 > 2732) { background.y = background2.y - background.height; } if (background2.y - background2.height / 2 > 2732) { background2.y = background.y - background2.height; } } // Update player if (player) { player.update(); // Auto shooting if (isShooting) { player.shoot(); } } // Update boss if (boss) { boss.update(); } // Update player bullets for (var i = playerBullets.length - 1; i >= 0; i--) { var bullet = playerBullets[i]; // Check if bullet is offscreen if (bullet.y < -50) { bullet.destroy(); playerBullets.splice(i, 1); continue; } // Check for collision with boss if (boss && bullet.intersects(boss)) { boss.takeDamage(bullet.damage); addScore(10); bullet.destroy(); playerBullets.splice(i, 1); } } // Update boss bullets for (var j = bossBullets.length - 1; j >= 0; j--) { var bossBullet = bossBullets[j]; // Check if bullet is offscreen if (bossBullet.y > 2732 + 50 || bossBullet.x < -50 || bossBullet.x > 2048 + 50) { bossBullet.destroy(); bossBullets.splice(j, 1); continue; } // Check for collision with player if (player && !player.invulnerable && bossBullet.intersects(player)) { player.takeDamage(10); bossBullet.destroy(); bossBullets.splice(j, 1); } } }; // Initialize the game initializeGame();