/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ // Drone class var Drone = Container.expand(function (player) { var self = Container.call(this); var droneSprite = self.attachAsset('drone', { anchorX: 0.5, anchorY: 0.5 }); self.radius = droneSprite.width / 2; self.player = player; self.shootInterval = 30; self.lastShotTick = 0; self.target = null; self.speed = 10 + Math.random() * 3; self._pickNewTarget = function () { // Pick a random enemy as target, or move to a random point if no enemies if (enemies.length > 0) { var idx = Math.floor(Math.random() * enemies.length); self.target = enemies[idx]; } else { // Move to a random point on the screen self.target = { x: 200 + Math.random() * (2048 - 400), y: 200 + Math.random() * (2732 - 400) }; } }; self._pickNewTarget(); self.x = player.x + (Math.random() - 0.5) * 400; self.y = player.y + (Math.random() - 0.5) * 400; self.update = function () { // If target is gone or destroyed, pick a new one if (!self.target || self.target.destroyed === true) { self._pickNewTarget(); } // Move toward target if (self.target) { var dx = self.target.x - self.x; var dy = self.target.y - self.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 10) { self.x += dx / dist * self.speed; self.y += dy / dist * self.speed; } else { // Arrived at target, pick a new one self._pickNewTarget(); } } }; return self; }); // Drone bullet class var DroneBullet = Container.expand(function () { var self = Container.call(this); var bulletSprite = self.attachAsset('drone_bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletSprite.width / 2; self.speed = 14; self.damage = 1; self.dirX = 0; self.dirY = -1; self.update = function () { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; }; return self; }); // Enemy class var Enemy = Container.expand(function () { var self = Container.call(this); self.type = 'normal'; // 'normal', 'fast', 'tank' self.speed = 6; self.health = 2; self.radius = 50; self.reward = 1; self.target = null; self.init = function (type) { self.type = type; if (type === 'normal') { self.attachAsset('enemy_normal', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.13, scaleY: 1.13 }); self.speed = 3 + Math.random() * 1; // normal enemy slower self.health = 2; self.radius = 102; // updated for new size (slightly larger) self.reward = 1; } else if (type === 'fast') { self.attachAsset('enemy_fast', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.13, scaleY: 1.13 }); self.speed = 4.7 + Math.random() * 0.8; // fast enemy slightly slower self.health = 1; self.radius = 81; // updated for new size (slightly larger) self.reward = 2; } else if (type === 'tank') { self.attachAsset('enemy_tank', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 1.5 + Math.random() * 0.7; // tank enemy slower self.health = 6; self.radius = 130; // updated for new size self.reward = 4; } }; self.takeDamage = function (amount) { self.health -= amount; LK.getSound('enemy_hit').play(); LK.effects.flashObject(self, 0xffffff, 200); if (self.health <= 0) { self.destroyed = true; } }; self.update = function () { if (!self.target) return; var dx = self.target.x - self.x; var dy = self.target.y - self.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 0) { self.x += dx / dist * self.speed; self.y += dy / dist * self.speed; } }; return self; }); // Player class var Player = Container.expand(function () { var self = Container.call(this); var playerSprite = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5, scaleX: 2.0, scaleY: 2.0 }); self.radius = playerSprite.width * 2.0 / 2; self.speed = 9; self.maxHealth = 8; self.health = self.maxHealth; self.shield = 0; self.dualShot = false; self.enhanced = false; self.hasDrone = false; // Remove single drone reference, use drones array // self.drone = null; self.lastShotTick = 0; self.shootInterval = 18; // frames self.invulnTicks = 0; // For powerup timers self.dualShotTicks = 0; self.enhancedTicks = 0; self.shieldTicks = 0; // For touch drag self.isDragging = false; // Damage method self.takeDamage = function (amount) { if (self.invulnTicks > 0) return; if (self.shield > 0) { self.shield = 0; self.shieldTicks = 0; LK.effects.flashObject(self, 0x00e6e6, 400); return; } // On taking damage, clear all powerups except health and shield self.dualShot = false; self.dualShotTicks = 0; self.enhanced = false; self.enhancedTicks = 0; // Destroy all drones and clear stack if (self.hasDrone && drones.length > 0) { for (var i = 0; i < drones.length; i++) { if (drones[i]) drones[i].destroy(); } drones = []; } self.hasDrone = false; self.health -= amount; self.invulnTicks = 30; LK.effects.flashObject(self, 0xff0000, 400); LK.getSound('player_hit').play(); if (self.health <= 0) { LK.showGameOver(); } }; // Powerup methods self.applyPowerup = function (type) { if (type === 'shield') { self.shield = 1; self.shieldTicks = 600; } else if (type === 'health') { self.health = Math.min(self.maxHealth, self.health + 3); } else if (type === 'dual') { self.dualShot = true; self.dualShotTicks = 0; // not used anymore } else if (type === 'enhanced') { self.enhanced = true; self.enhancedTicks = 0; // not used anymore } else if (type === 'drone') { // Only allow 1 drone at a time if (drones.length < 1) { self.hasDrone = true; var newDrone = new Drone(self); newDrone.angle = 0; game.addChild(newDrone); drones.push(newDrone); } } else if (type === 'turret') { // Allow up to 2 turrets at a time if (remoteTurrets.length < 2) { var turret = new Turret(self); game.addChild(turret); remoteTurrets.push(turret); } } }; // Update powerup timers self.updatePowerups = function () { if (self.shield > 0) { self.shieldTicks--; if (self.shieldTicks <= 0) self.shield = 0; } // dualShot, enhanced, and drone are now cleared only on damage, not by timer }; // Update method self.update = function () { if (self.invulnTicks > 0) self.invulnTicks--; self.updatePowerups(); // Keep player inside bounds if (self.x < self.radius) self.x = self.radius; if (self.x > 2048 - self.radius) self.x = 2048 - self.radius; if (self.y < self.radius) self.y = self.radius; if (self.y > 2732 - self.radius) self.y = 2732 - self.radius; }; return self; }); // Player bullet class var PlayerBullet = Container.expand(function () { var self = Container.call(this); var bulletSprite = self.attachAsset('player_bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletSprite.width / 2; self.speed = 16; self.damage = 1; self.dirX = 0; self.dirY = -1; self.fromDrone = false; self.update = function () { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; }; return self; }); // Powerup class var Powerup = Container.expand(function () { var self = Container.call(this); self.type = 'shield'; self.radius = 40; self.init = function (type) { self.type = type; if (type === 'shield') { self.attachAsset('powerup_shield', { anchorX: 0.5, anchorY: 0.5 }); } else if (type === 'health') { self.attachAsset('powerup_health', { anchorX: 0.5, anchorY: 0.5 }); } else if (type === 'dual') { self.attachAsset('powerup_dual', { anchorX: 0.5, anchorY: 0.5 }); } else if (type === 'enhanced') { self.attachAsset('powerup_enhanced', { anchorX: 0.5, anchorY: 0.5 }); } else if (type === 'drone') { self.attachAsset('powerup_drone', { anchorX: 0.5, anchorY: 0.5 }); } else if (type === 'turret') { // Use TurretPowerup class for turret powerup var turretPowerup = new TurretPowerup(); turretPowerup.init(); self.addChild(turretPowerup); } }; self.update = function () { // Float up and down self.y += Math.sin(LK.ticks / 20 + self._floatPhase) * 1.2; }; self._floatPhase = Math.random() * Math.PI * 2; return self; }); // RemoteTurretBullet class var RemoteTurretBullet = Container.expand(function () { var self = Container.call(this); var bulletSprite = self.attachAsset('drone_bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletSprite.width / 2; self.speed = 18; self.damage = 1; self.dirX = 0; self.dirY = -1; self.update = function () { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; }; return self; }); // Turret class (actual spawned turret) var Turret = Container.expand(function (player) { var self = Container.call(this); var turretSprite = self.attachAsset('turret', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.3, scaleY: 1.3 }); self.radius = turretSprite.width * 1.3 / 2; self.player = player; self.shootInterval = 18; self.lastShotTick = 0; self.lifetime = 900; // 15 seconds at 60fps self.ticks = 0; // Place turret near player, but not on top self.x = player.x + (Math.random() - 0.5) * 400; self.y = player.y - 300 + (Math.random() - 0.5) * 100; self.update = function () { self.ticks++; // Fire at nearest enemy if (LK.ticks - self.lastShotTick >= self.shootInterval) { var nearest = null; var minDist = 999999; for (var i = 0; i < enemies.length; i++) { var dx = enemies[i].x - self.x; var dy = enemies[i].y - self.y; var d = dx * dx + dy * dy; if (d < minDist) { minDist = d; nearest = enemies[i]; } } if (nearest) { var dx = nearest.x - self.x; var dy = nearest.y - self.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 0) { var bullet = new TurretBullet(); bullet.x = self.x + dx / dist * (self.radius + 20); bullet.y = self.y + dy / dist * (self.radius + 20); bullet.dirX = dx / dist; bullet.dirY = dy / dist; remoteTurretBullets.push(bullet); game.addChild(bullet); LK.getSound('drone_shoot').play(); } self.lastShotTick = LK.ticks; } } // Remove after lifetime if (self.ticks > self.lifetime) { self.destroy(); var idx = remoteTurrets.indexOf(self); if (idx !== -1) remoteTurrets.splice(idx, 1); } }; return self; }); // TurretBullet class (spawned by Turret) var TurretBullet = Container.expand(function () { var self = Container.call(this); var bulletSprite = self.attachAsset('drone_bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletSprite.width / 2; self.speed = 18; self.damage = 1; self.dirX = 0; self.dirY = -1; self.update = function () { self.x += self.dirX * self.speed; self.y += self.dirY * self.speed; }; return self; }); // TurretPowerup class (for the powerup pickup) var TurretPowerup = Container.expand(function () { var self = Container.call(this); self.type = 'turret'; self.radius = 40; self.init = function () { self.attachAsset('powerup_remote_shooter_drone', { anchorX: 0.5, anchorY: 0.5 }); }; self.update = function () { self.y += Math.sin(LK.ticks / 20 + self._floatPhase) * 1.2; }; self._floatPhase = Math.random() * Math.PI * 2; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x181c24 }); /**** * Game Code ****/ // Add background shape to the game scene var backgroundShape = LK.getAsset('background', { anchorX: 0, anchorY: 0, x: 0, y: 0, width: 2048, height: 2732, color: 0x23283a // dark blueish background, adjust as desired }); game.addChild(backgroundShape); // Music // Sounds // Drone // Powerups // Bullets // Enemy types // Player // Game state variables var player; var enemies = []; var bullets = []; var droneBullets = []; var remoteTurrets = []; var remoteTurretBullets = []; var powerups = []; var wave = 1; var waveTicks = 0; var spawnTick = 0; var nextPowerupTick = 0; var dragging = false; var dragOffsetX = 0; var dragOffsetY = 0; var score = 0; var healthBar; var shieldBar; var waveText; var scoreText; var lastTouchX = 0; var lastTouchY = 0; // Track up to 3 drones var drones = []; // GUI function createGUI() { // Health bar healthBar = new Text2('', { size: 80, fill: 0xFF3A3A }); healthBar.anchor.set(0.5, 1); LK.gui.bottom.addChild(healthBar); // Shield bar shieldBar = new Text2('', { size: 60, fill: 0x00E6E6 }); shieldBar.anchor.set(0.5, 1); LK.gui.bottom.addChild(shieldBar); // Score scoreText = new Text2('Score: 0', { size: 80, fill: "#fff" }); scoreText.anchor.set(1, 0); LK.gui.topRight.addChild(scoreText); // Wave waveText = new Text2('Wave 1', { size: 70, fill: 0xFFE066 }); waveText.anchor.set(0.5, 0); LK.gui.top.addChild(waveText); // Position GUI // Bottom left, stacked vertically (health at bottom, shield above) healthBar.x = 180; healthBar.y = -40; shieldBar.x = 180; shieldBar.y = -130; scoreText.x = -40; scoreText.y = 20; waveText.x = 1024; waveText.y = 20; } function updateGUI() { var hearts = ''; for (var i = 0; i < player.maxHealth; i++) { hearts += i < player.health ? '♥ ' : '♡ '; } healthBar.setText('HP: ' + hearts.trim()); shieldBar.setText(player.shield > 0 ? 'Shield: ON' : ''); scoreText.setText('Score: ' + score); waveText.setText('Wave ' + wave); } // Spawn player function spawnPlayer() { player = new Player(); player.x = 2048 / 2; player.y = 2732 * 0.7; game.addChild(player); } // Spawn enemies for current wave function spawnEnemies() { // No boss waves, only normal enemy waves // Normal enemy waves // Reduce spawn count in early waves for all enemy types var num; if (wave === 1) { num = 3; } else if (wave === 2) { num = 4; } else if (wave === 3) { num = 5; } else if (wave === 4) { num = 6; } else { // Increase enemy count more slowly for higher waves num = 6 + Math.floor((wave - 4) * 1.2); } for (var i = 0; i < num; i++) { var type; if (wave >= 5 && Math.random() < 0.2) { type = 'tank'; } else if (Math.random() < 0.3 + wave * 0.02) { type = 'fast'; } else { type = 'normal'; } var enemy = new Enemy(); enemy.init(type); // Spawn outside screen var edge = Math.floor(Math.random() * 4); var ex, ey; if (edge === 0) { // top ex = Math.random() * 2048; ey = -enemy.radius - 20; } else if (edge === 1) { // right ex = 2048 + enemy.radius + 20; ey = Math.random() * 2732; } else if (edge === 2) { // bottom ex = Math.random() * 2048; ey = 2732 + enemy.radius + 20; } else { // left ex = -enemy.radius - 20; ey = Math.random() * 2732; } enemy.x = ex; enemy.y = ey; enemy.target = player; enemies.push(enemy); game.addChild(enemy); } } // Spawn a powerup at random location function spawnPowerup() { // Increase the chance for 'drone' and 'turret' powerups by duplicating them in the pool var types = ['shield', 'health', 'dual', 'enhanced', 'drone', 'drone', 'drone', // 3x more likely 'turret', 'turret', 'turret' // 3x more likely ]; var type = types[Math.floor(Math.random() * types.length)]; var powerup = new Powerup(); powerup.init(type); powerup.x = 200 + Math.random() * (2048 - 400); powerup.y = 400 + Math.random() * (2732 - 800); powerups.push(powerup); game.addChild(powerup); } // Fire player bullets function firePlayerBullets() { if (LK.ticks - player.lastShotTick < player.shootInterval) return; player.lastShotTick = LK.ticks; // Find nearest enemy var nearest = null; var minDist = 999999; for (var i = 0; i < enemies.length; i++) { var dx = enemies[i].x - player.x; var dy = enemies[i].y - player.y; var d = dx * dx + dy * dy; if (d < minDist) { minDist = d; nearest = enemies[i]; } } if (!nearest) return; // Don't shoot if no enemies // Calculate angle toward nearest enemy var dx = nearest.x - player.x; var dy = nearest.y - player.y; var angle = Math.atan2(dy, dx); var num = player.dualShot ? 2 : 1; for (var i = 0; i < num; i++) { var bullet = new PlayerBullet(); bullet.damage = player.enhanced ? 2 : 1; // For dual shot, both bullets go straight (no spread), but offset horizontally var offset = 0; if (num === 2) { // Perpendicular to shooting direction var perpX = -Math.sin(angle); var perpY = Math.cos(angle); offset = (i === 0 ? -1 : 1) * 32; // 32px left/right bullet.x = player.x + Math.cos(angle) * (player.radius + 30) + perpX * offset; bullet.y = player.y + Math.sin(angle) * (player.radius + 30) + perpY * offset; } else { bullet.x = player.x + Math.cos(angle) * (player.radius + 30); bullet.y = player.y + Math.sin(angle) * (player.radius + 30); } bullet.dirX = Math.cos(angle); bullet.dirY = Math.sin(angle); bullets.push(bullet); game.addChild(bullet); } LK.getSound('shoot').play(); } // Fire drone bullets function fireDroneBullets() { if (!player.hasDrone || !player.drone) return; if (LK.ticks - player.drone.lastShotTick < player.drone.shootInterval) return; player.drone.lastShotTick = LK.ticks; // Find nearest enemy var nearest = null; var minDist = 99999; for (var i = 0; i < enemies.length; i++) { var dx = enemies[i].x - player.drone.x; var dy = enemies[i].y - player.drone.y; var d = dx * dx + dy * dy; if (d < minDist) { minDist = d; nearest = enemies[i]; } } if (!nearest) return; var dx = nearest.x - player.drone.x; var dy = nearest.y - player.drone.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist === 0) return; var bullet = new DroneBullet(); bullet.dirX = dx / dist; bullet.dirY = dy / dist; bullet.x = player.drone.x + bullet.dirX * (player.drone.radius + 20); bullet.y = player.drone.y + bullet.dirY * (player.drone.radius + 20); droneBullets.push(bullet); game.addChild(bullet); LK.getSound('drone_shoot').play(); } // Handle dragging function handleMove(x, y, obj) { if (!dragging) return; // Clamp to bounds var nx = x - dragOffsetX; var ny = y - dragOffsetY; var r = player.radius; if (nx < r) nx = r; if (nx > 2048 - r) nx = 2048 - r; if (ny < r) ny = r; if (ny > 2732 - r) ny = 2732 - r; player.x = nx; player.y = ny; lastTouchX = x; lastTouchY = y; } // Touch events game.down = function (x, y, obj) { // Don't allow drag from top left 100x100 if (x < 100 && y < 100) return; var dx = x - player.x; var dy = y - player.y; if (dx * dx + dy * dy < player.radius * player.radius * 2.5) { dragging = true; dragOffsetX = x - player.x; dragOffsetY = y - player.y; lastTouchX = x; lastTouchY = y; } }; game.move = function (x, y, obj) { handleMove(x, y, obj); }; game.up = function (x, y, obj) { dragging = false; }; // Main update loop game.update = function () { // Player update player.update(); // Player auto-fire firePlayerBullets(); // Drone update and contact attack only (no bullet firing) // Remove drone if it has lasted 3 waves if (player.hasDrone && drones.length > 0) { // Track the wave when the drone was spawned if (typeof drones[0]._spawnWave === "undefined") { drones[0]._spawnWave = wave; } // Remove drone if more than 3 waves have passed since spawn if (wave - drones[0]._spawnWave >= 3) { for (var d = 0; d < drones.length; d++) { if (drones[d]) drones[d].destroy(); } drones = []; player.hasDrone = false; } else { for (var d = 0; d < drones.length; d++) { var drone = drones[d]; drone.update(); // Drone contact damage to enemies for (var i = enemies.length - 1; i >= 0; i--) { var e = enemies[i]; var dx = e.x - drone.x; var dy = e.y - drone.y; var dist = Math.sqrt(dx * dx + dy * dy); // Use a unique contact key per drone var contactKey = "_lastDroneContact" + d; if (dist < e.radius + drone.radius - 10) { if (!e[contactKey] || LK.ticks - e[contactKey] > 10) { e.takeDamage(1); e[contactKey] = LK.ticks; } } else { e[contactKey] = null; } } } } } // Remote turrets update for (var t = remoteTurrets.length - 1; t >= 0; t--) { var turret = remoteTurrets[t]; // Track the wave when the turret was spawned if (typeof turret._spawnWave === "undefined") { turret._spawnWave = wave; } // Remove turret if more than 3 waves have passed since spawn if (wave - turret._spawnWave >= 3) { turret.destroy(); remoteTurrets.splice(t, 1); continue; } turret.update(); } // Ensure player is always rendered above turrets if (remoteTurrets.length > 0 && player && game.children) { // Remove player from children if present var idx = -1; for (var i = 0; i < game.children.length; i++) { if (game.children[i] === player) { idx = i; break; } } if (idx !== -1) { game.children.splice(idx, 1); game.children.push(player); } } // Enemies update for (var i = enemies.length - 1; i >= 0; i--) { var e = enemies[i]; e.update(); // Check collision with player var dx = e.x - player.x; var dy = e.y - player.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < e.radius + player.radius - 10) { player.takeDamage(e.type === 'tank' ? 3 : 1); e.destroyed = true; } // Remove if offscreen if (e.x < -200 || e.x > 2248 || e.y < -200 || e.y > 2932) { e.destroyed = true; } // Remove if destroyed if (e.destroyed) { e.destroy(); enemies.splice(i, 1); score += e.reward; LK.setScore(score); } } // Bullets update for (var i = bullets.length - 1; i >= 0; i--) { var b = bullets[i]; b.update(); var hit = false; for (var j = enemies.length - 1; j >= 0; j--) { var e = enemies[j]; var dx = e.x - b.x; var dy = e.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < e.radius + b.radius - 10) { e.takeDamage(b.damage); hit = true; break; } } // Remove if hit or offscreen if (hit || b.x < -100 || b.x > 2148 || b.y < -100 || b.y > 2832) { b.destroy(); bullets.splice(i, 1); } } // Drone bullets update for (var i = droneBullets.length - 1; i >= 0; i--) { var b = droneBullets[i]; b.update(); var hit = false; for (var j = enemies.length - 1; j >= 0; j--) { var e = enemies[j]; var dx = e.x - b.x; var dy = e.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < e.radius + b.radius - 10) { e.takeDamage(1); hit = true; break; } } if (hit || b.x < -100 || b.x > 2148 || b.y < -100 || b.y > 2832) { b.destroy(); droneBullets.splice(i, 1); } } // Remote turret bullets update for (var i = remoteTurretBullets.length - 1; i >= 0; i--) { var b = remoteTurretBullets[i]; b.update(); var hit = false; for (var j = enemies.length - 1; j >= 0; j--) { var e = enemies[j]; var dx = e.x - b.x; var dy = e.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < e.radius + b.radius - 10) { e.takeDamage(1); hit = true; break; } } if (hit || b.x < -100 || b.x > 2148 || b.y < -100 || b.y > 2832) { b.destroy(); remoteTurretBullets.splice(i, 1); } } // Powerups update for (var i = powerups.length - 1; i >= 0; i--) { var p = powerups[i]; p.update(); var dx = p.x - player.x; var dy = p.y - player.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < p.radius + player.radius + 10) { player.applyPowerup(p.type); LK.getSound('powerup').play(); p.destroy(); powerups.splice(i, 1); } } // Wave logic waveTicks++; if (enemies.length === 0 && waveTicks > 60) { wave++; waveTicks = 0; spawnEnemies(); LK.effects.flashScreen(0x00ffcc, 400); } // Powerup spawn logic if (LK.ticks > nextPowerupTick && wave % 3 !== 0) { spawnPowerup(); nextPowerupTick = LK.ticks + 600 + Math.floor(Math.random() * 600); } // Update GUI updateGUI(); }; // Game start function startGame() { createGUI(); spawnPlayer(); spawnEnemies(); nextPowerupTick = LK.ticks + 300; score = 0; LK.setScore(0); LK.playMusic('bgmusic', { fade: { start: 0, end: 1, duration: 1200 } }); } startGame();