/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bomb = Container.expand(function () { var self = Container.call(this); var bombGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5, tint: 0x444444, scaleX: 2, scaleY: 2 }); self.speed = 4; self.damage = 2; self.update = function () { self.y += self.speed; }; return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -12; self.damage = 1; self.update = function () { self.y += self.speed; }; return self; }); var Cloud = Container.expand(function () { var self = Container.call(this); var cloudType = ['cloud1', 'cloud2', 'cloud3'][Math.floor(Math.random() * 3)]; var cloudGraphics = self.attachAsset(cloudType, { anchorX: 0.5, anchorY: 0.5 }); cloudGraphics.alpha = 0.7; self.speed = Math.random() * 2 + 1; self.update = function () { self.y += self.speed; }; return self; }); // Game variables var Enemy1 = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy1', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3; self.health = 1; self.scoreValue = 10; self.enemyType = 1; self.update = function () { self.y += self.speed; }; return self; }); var Enemy2 = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy2', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 4; self.health = 2; self.scoreValue = 20; self.enemyType = 2; self.nextBombTime = 0; self.bombInterval = Math.random() * 1500 + 3000; // Random between 3-4.5 seconds self.update = function () { self.y += self.speed; // Zigzag movement self.x += Math.sin(LK.ticks * 0.1) * 2; // Drop bombs every 3-4.5 seconds if (LK.ticks * 16.67 >= self.nextBombTime) { // Convert ticks to milliseconds (60fps = 16.67ms per tick) var bomb = new Bomb(); bomb.x = self.x; bomb.y = self.y + 40; bombs.push(bomb); game.addChild(bomb); // Set next bomb time (3-4.5 seconds from now) self.bombInterval = Math.random() * 1500 + 3000; self.nextBombTime = LK.ticks * 16.67 + self.bombInterval; } // Shoot bullets every 60 ticks if (LK.ticks % 60 === 0) { var enemyBullet = new EnemyBullet(); enemyBullet.x = self.x; enemyBullet.y = self.y + 40; enemyBullets.push(enemyBullet); game.addChild(enemyBullet); } }; return self; }); var Enemy3 = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy3', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.health = 1; self.scoreValue = 15; self.enemyType = 3; self.hasSpottedPlayer = false; // Track if this Enemy3 has already spotted the player self.update = function () { self.y += self.speed; // Scout behavior - scan for player when in range var distanceToPlayer = Math.abs(self.x - player.x); var verticalDistance = Math.abs(self.y - player.y); // If Enemy3 is close enough to "spot" the player (within scanning range) if (distanceToPlayer < 300 && verticalDistance < 400 && !self.hasSpottedPlayer) { self.hasSpottedPlayer = true; // Show warning text warningTxt.alpha = 1; tween(warningTxt, { alpha: 0 }, { duration: 3000 }); // Fade out warning over 3 seconds // Trigger Enemy2 spawn after warning LK.setTimeout(function () { var enemy2 = new Enemy2(); enemy2.x = Math.random() * 1900 + 100; enemy2.y = -50; enemy2.speed += Math.floor(currentWave / 3); enemies.push(enemy2); game.addChild(enemy2); }, 1000); // Spawn Enemy2 1 second after warning appears } }; return self; }); var Enemy4 = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy1', { anchorX: 0.5, anchorY: 0.5, tint: 0x800080 }); self.speed = 2; self.health = 3; self.scoreValue = 30; self.enemyType = 4; self.direction = 1; // 1 for right, -1 for left self.verticalMoveTimer = 0; self.update = function () { // Horizontal movement back and forth self.x += self.direction * 3; // Change direction when reaching screen edges if (self.x <= 100 || self.x >= 1948) { self.direction *= -1; self.y += 50; // Move down when changing direction } // Slow vertical movement self.verticalMoveTimer++; if (self.verticalMoveTimer > 30) { self.y += self.speed; self.verticalMoveTimer = 0; } // Shoot triple bullets every 90 ticks if (LK.ticks % 90 === 0) { // Center bullet var centerBullet = new EnemyBullet(); centerBullet.x = self.x; centerBullet.y = self.y + 40; enemyBullets.push(centerBullet); game.addChild(centerBullet); // Left bullet var leftBullet = new EnemyBullet(); leftBullet.x = self.x - 30; leftBullet.y = self.y + 40; enemyBullets.push(leftBullet); game.addChild(leftBullet); // Right bullet var rightBullet = new EnemyBullet(); rightBullet.x = self.x + 30; rightBullet.y = self.y + 40; enemyBullets.push(rightBullet); game.addChild(rightBullet); } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5, tint: 0xff0000 }); self.speed = 8; self.damage = 1; self.update = function () { self.y += self.speed; }; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.health = 3; self.update = function () { // Keep player in bounds - only allow movement along bottom edge if (self.x < 40) self.x = 40; if (self.x > 2008) self.x = 2008; // Force player to stay at bottom of screen self.y = 2400; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB }); /**** * Game Code ****/ // Game variables var player; var enemies = []; var bullets = []; var enemyBullets = []; var bombs = []; var clouds = []; var score = 0; var totalKills = 0; var enemySpawnTimer = 0; var cloudSpawnTimer = 0; var currentWave = 1; var enemiesSpawnedThisWave = 0; var enemiesKilledThisWave = 0; var enemiesPerWave = 5; var waveInProgress = false; var waveStartDelay = 0; var maxEnemySpawnRate = 60; // Initialize background clouds for (var i = 0; i < 8; i++) { var cloud = new Cloud(); cloud.x = Math.random() * 2048; cloud.y = Math.random() * 2732; clouds.push(cloud); game.addChild(cloud); } // Create player player = game.addChild(new Player()); player.x = 1024; player.y = 2400; // Score display var scoreTxt = new Text2('Score: ' + score, { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); LK.gui.topLeft.addChild(scoreTxt); scoreTxt.x = 120; scoreTxt.y = 20; // Wave display var waveTxt = new Text2('Wave: ' + currentWave, { size: 60, fill: 0xFFFF00 }); waveTxt.anchor.set(0.5, 0); LK.gui.top.addChild(waveTxt); waveTxt.y = 20; // Health display var healthTxt = new Text2('Health: ' + player.health, { size: 60, fill: 0xFF0000 }); healthTxt.anchor.set(1, 0); LK.gui.topRight.addChild(healthTxt); healthTxt.x = -20; healthTxt.y = 20; // Kills counter display var killsTxt = new Text2('Kills: ' + totalKills, { size: 60, fill: 0x00FF00 }); killsTxt.anchor.set(1, 0); LK.gui.topRight.addChild(killsTxt); killsTxt.x = -20; killsTxt.y = 90; // Warning text (initially hidden) var warningTxt = new Text2('WARNING', { size: 120, fill: 0xFF0000 }); warningTxt.anchor.set(0.5, 0.5); LK.gui.center.addChild(warningTxt); warningTxt.alpha = 0; // Initially hidden // Touch input handling for player movement game.down = function (x, y, obj) { // Move player to touch x position, keeping y at bottom player.x = x; }; game.move = function (x, y, obj) { // Move player to touch x position while dragging player.x = x; }; // Main game loop game.update = function () { // Spawn new clouds cloudSpawnTimer++; if (cloudSpawnTimer > 120) { var cloud = new Cloud(); cloud.x = Math.random() * 2048; cloud.y = -100; clouds.push(cloud); game.addChild(cloud); cloudSpawnTimer = 0; } // Update clouds for (var i = clouds.length - 1; i >= 0; i--) { var cloud = clouds[i]; if (cloud.y > 2800) { cloud.destroy(); clouds.splice(i, 1); } } // Continuous shooting every 10 ticks - bullets spawn from player position if (LK.ticks % 10 === 0) { var bullet = new Bullet(); bullet.x = player.x; // Spawn bullet at player's exact x position bullet.y = player.y - 60; // Spawn bullet slightly above player bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); } // Wave system - spawn enemies based on current wave if (!waveInProgress && waveStartDelay <= 0) { // Start new wave waveInProgress = true; enemiesSpawnedThisWave = 0; enemiesKilledThisWave = 0; enemiesPerWave = Math.min(5 + currentWave * 2, 20); // Increase enemies per wave, cap at 20 maxEnemySpawnRate = Math.max(30, 60 - currentWave * 3); // Faster spawning each wave, minimum 30 ticks waveTxt.setText('Wave: ' + currentWave); } if (waveInProgress && enemiesSpawnedThisWave < enemiesPerWave) { enemySpawnTimer++; if (enemySpawnTimer > maxEnemySpawnRate) { // Randomly choose enemy type var enemyType = Math.floor(Math.random() * 3) + 1; var enemy; if (enemyType === 1) { enemy = new Enemy1(); } else if (enemyType === 2) { enemy = new Enemy2(); } else { enemy = new Enemy3(); } enemy.x = Math.random() * 1900 + 100; enemy.y = -50; // Make enemies faster in later waves enemy.speed += Math.floor(currentWave / 3); enemies.push(enemy); game.addChild(enemy); enemySpawnTimer = 0; enemiesSpawnedThisWave++; } } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; // Remove bullets that are off screen if (bullet.y < -50) { bullet.destroy(); bullets.splice(i, 1); continue; } // Check bullet-enemy collisions for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { // Damage enemy enemy.health -= bullet.damage; bullet.destroy(); bullets.splice(i, 1); // Check if enemy is destroyed if (enemy.health <= 0) { LK.getSound('explosion').play(); // Create explosion visual at enemy position var explosion = LK.getAsset('Bomm', { anchorX: 0.5, anchorY: 0.5 }); explosion.x = enemy.x; explosion.y = enemy.y; game.addChild(explosion); // Animate explosion - scale up and fade out tween(explosion, { scaleX: 3, scaleY: 3, alpha: 0 }, { duration: 800, easing: tween.easeOut, onFinish: function onFinish() { explosion.destroy(); } }); enemy.destroy(); enemies.splice(j, 1); // Update score based on enemy type and wave score += enemy.scoreValue * currentWave; LK.setScore(score); scoreTxt.setText('Score: ' + score); // Update kills counter totalKills++; killsTxt.setText('Kills: ' + totalKills); enemiesKilledThisWave++; // Check if wave is complete if (waveInProgress && enemiesKilledThisWave >= enemiesPerWave) { waveInProgress = false; currentWave++; waveStartDelay = 120; // 2 second delay between waves LK.effects.flashScreen(0x00ff00, 500); // Green flash for wave complete } } else { // Enemy damaged but not destroyed - flash red LK.effects.flashObject(enemy, 0xff0000, 200); } break; } } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; // Remove enemies that are off screen if (enemy.y > 2800) { enemy.destroy(); enemies.splice(i, 1); continue; } // Check enemy-player collision if (enemy.intersects(player)) { player.health--; healthTxt.setText('Health: ' + player.health); if (player.health <= 0) { LK.showGameOver(); } else { LK.effects.flashObject(player, 0xff0000, 500); } enemy.destroy(); enemies.splice(i, 1); } } // Update enemy bullets for (var i = enemyBullets.length - 1; i >= 0; i--) { var enemyBullet = enemyBullets[i]; // Remove bullets that are off screen if (enemyBullet.y > 2800) { enemyBullet.destroy(); enemyBullets.splice(i, 1); continue; } // Check enemy bullet-player collision if (enemyBullet.intersects(player)) { player.health--; healthTxt.setText('Health: ' + player.health); enemyBullet.destroy(); enemyBullets.splice(i, 1); if (player.health <= 0) { LK.showGameOver(); } else { LK.effects.flashObject(player, 0xff0000, 500); } } } // Update bombs for (var i = bombs.length - 1; i >= 0; i--) { var bomb = bombs[i]; // Remove bombs that are off screen if (bomb.y > 2800) { bomb.destroy(); bombs.splice(i, 1); continue; } // Check bomb-player collision if (bomb.intersects(player)) { player.health -= bomb.damage; healthTxt.setText('Health: ' + player.health); bomb.destroy(); bombs.splice(i, 1); if (player.health <= 0) { LK.showGameOver(); } else { LK.effects.flashObject(player, 0xff0000, 500); } } } // Handle wave start delay if (waveStartDelay > 0) { waveStartDelay--; } // Check if player failed to eliminate all enemies (game over condition) // If enemies reach the bottom of the screen without being destroyed, it's game over for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; if (enemy.y > 2600) { // Enemy reached near bottom of screen LK.showGameOver(); break; } } };