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:quality(85)/https://cdn.frvr.ai/682b617d2344658edb69527e.png)
:quality(85)/https://cdn.frvr.ai/682b61802344658edb695280.png)
#arcade
#survival
#aliens
#powerups
#endlesswaves
Creation History
User prompt
Reduce the boss's health by half
User prompt
My player keeps firing
User prompt
After each wave, the boss comes
User prompt
Let the game continue normally and the boss come after each wave.
User prompt
High score should not be reset
User prompt
high score keep the last highest score
User prompt
add high score in the top right corner
User prompt
add game boss
User prompt
Continue the game as normal and the boss will appear at the end of each wave.
User prompt
fix all bugs and optimize the game
User prompt
remove boss from game
User prompt
At the end of each wave there will be a boss
User prompt
A boss comes in every wave
User prompt
Reduce the boss's health to half
User prompt
the next wave is not coming fix it
User prompt
detect and fix bugs in the game
User prompt
Reduce the boss's health a little bit
User prompt
bullets pass through the boot fix that
User prompt
My character does not fire when the boss comes, fix it
User prompt
Please fix the bug: 'ReferenceError: Boss is not defined' in or related to this line: 'boss = new Boss();' Line Number: 525
User prompt
At the end of each wave there will be a boss
User prompt
Fix background stars change color every 2 waves code
User prompt
Increase firing speed by 0.15 times with each wave
User prompt
Increase fire rate by 0.20x every 2 waves
User prompt
Increase fire rate by 0.15x every 2 waves
/****
* Plugins
****/
var tween = LK.import("@upit/tween.v1");
/****
* Classes
****/
// Alien class
var Alien = Container.expand(function () {
var self = Container.call(this);
// Attach a default sprite, but allow it to be replaced after construction
var alienSprite = self.attachAsset('alien', {
anchorX: 0.5,
anchorY: 0.5
});
self.width = alienSprite.width;
self.height = alienSprite.height;
self.speed = 2.5;
self.hp = 1;
self.wave = 1;
self.lastX = self.x;
self.lastY = self.y;
self.lastIntersecting = false;
self.isDead = false;
self.update = function () {
self.lastY = self.y;
self.y += self.speed;
};
return self;
});
// Bonus box class
var BonusBox = Container.expand(function () {
var self = Container.call(this);
var bonusSprite = self.attachAsset('bonus', {
anchorX: 0.5,
anchorY: 0.5
});
self.width = bonusSprite.width;
self.height = bonusSprite.height;
self.lastY = self.y;
self.lastIntersecting = false;
self.type = null; // Set on spawn
self.fallSpeed = 10; // Speed at which the bonus moves toward the player
self.update = function () {
// Move toward the player's current position
if (typeof player !== "undefined" && player !== null) {
var dx = player.x - self.x;
var dy = player.y - self.y;
var dist = Math.sqrt(dx * dx + dy * dy);
if (dist > 2) {
// Normalize and move toward player
self.x += dx / dist * self.fallSpeed;
self.y += dy / dist * self.fallSpeed;
}
}
};
return self;
});
// Crystal class
var Crystal = Container.expand(function () {
var self = Container.call(this);
var crystalSprite = self.attachAsset('crystal', {
anchorX: 0.5,
anchorY: 0.5
});
self.width = crystalSprite.width;
self.height = crystalSprite.height;
self.lastY = self.y;
self.lastIntersecting = false;
self.fallSpeed = 12; // Speed at which the crystal falls toward the player
self.update = function () {
// Move toward the player's current position
if (typeof player !== "undefined" && player !== null) {
var dx = player.x - self.x;
var dy = player.y - self.y;
var dist = Math.sqrt(dx * dx + dy * dy);
if (dist > 2) {
// Normalize and move toward player
self.x += dx / dist * self.fallSpeed;
self.y += dy / dist * self.fallSpeed;
}
}
};
return self;
});
// Laser class
var Laser = Container.expand(function () {
var self = Container.call(this);
var laserSprite = self.attachAsset('laser', {
anchorX: 0.5,
anchorY: 1
});
self.width = laserSprite.width;
self.height = laserSprite.height;
self.speed = 32;
self.pierce = false;
self.lastY = self.y;
self.lastIntersecting = false;
self.update = function () {
self.y -= 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
});
self.width = playerSprite.width;
self.height = playerSprite.height;
self.shootCooldown = 0;
self.moveSpeed = 32; // px per tick when dragged
self.leftLimit = 0 + self.width / 2 + 40;
self.rightLimit = 2048 - self.width / 2 - 40;
self.powered = false;
self.powerTimer = 0;
self.powerType = null;
// For powerup visuals
self.setPower = function (type, duration) {
self.powered = true;
self.powerType = type;
self.powerTimer = duration;
if (type === 'rapid') {
playerSprite.tint = 0xffe100;
} else if (type === 'pierce') {
playerSprite.tint = 0x00ffb0;
} else if (type === 'shield') {
playerSprite.tint = 0x00eaff;
}
};
self.clearPower = function () {
self.powered = false;
self.powerType = null;
self.powerTimer = 0;
playerSprite.tint = 0xffffff;
};
self.update = function () {
if (self.powered) {
self.powerTimer--;
if (self.powerTimer <= 0) {
self.clearPower();
}
}
};
return self;
});
// Star class for background stars
var Star = Container.expand(function () {
var self = Container.call(this);
// Use a white ellipse as a star, randomize size (doubled)
var size = randInt(4, 12);
var starSprite = self.attachAsset('centerCircle', {
anchorX: 0.5,
anchorY: 0.5,
scaleX: size / 100,
scaleY: size / 100,
tint: 0xffffff
});
self.starSprite = starSprite; // Store for tinting
self.width = size;
self.height = size;
// Double the speed range
self.speed = randInt(1, 4) * 0.4; // doubled speed for parallax
self.alpha = Math.random() * 0.5 + 0.5;
self.setColor = function (color) {
if (self.starSprite) self.starSprite.tint = color;
};
self.update = function () {
self.y += self.speed;
if (self.y > GAME_HEIGHT + self.height) {
self.y = -self.height;
self.x = randInt(0, GAME_WIDTH);
}
};
return self;
});
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0x000000
});
/****
* Game Code
****/
// Music
// Sound effects
// Bonus box
// Crystal (collectible)
// Player bullet (laser)
// Alien (enemy)
// Player
// Game constants
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
// --- Starfield background ---
// Star color palette (cycle every 2 waves)
var STAR_COLORS = [0xffffff,
// white
0xffe100,
// yellow
0x00eaff,
// cyan
0xff00cc,
// magenta
0x00ffb0,
// green
0xffa500,
// orange
0xAAFFFF,
// light blue
0xff0000 // red
];
function getStarColorForWave(wave) {
var idx = Math.floor((wave - 1) / 2) % STAR_COLORS.length;
return STAR_COLORS[idx];
}
var NUM_STARS = 160;
var stars = [];
for (var i = 0; i < NUM_STARS; i++) {
var star = new Star();
star.x = randInt(0, GAME_WIDTH);
star.y = randInt(0, GAME_HEIGHT);
stars.push(star);
game.addChild(star);
}
var GROUND_Y = GAME_HEIGHT - 220;
var PLAYER_START_X = GAME_WIDTH / 2;
var PLAYER_START_Y = GROUND_Y;
var PLAYER_MIN_X = 160 + 40;
var PLAYER_MAX_X = GAME_WIDTH - 160 - 40;
var ENEMY_START_X_MIN = 160;
var ENEMY_START_X_MAX = GAME_WIDTH - 160;
// Define Y spawn range for enemies (top margin to bottom margin for bonus box spawn)
var ENEMY_START_Y_MIN = 0;
var ENEMY_START_Y_MAX = GAME_HEIGHT - 400;
// Define 3 fixed road X positions for aliens to spawn and move along (top to bottom)
var ROAD_X_POSITIONS = [ENEMY_START_X_MIN + Math.floor((ENEMY_START_X_MAX - ENEMY_START_X_MIN) * 0.2), ENEMY_START_X_MIN + Math.floor((ENEMY_START_X_MAX - ENEMY_START_X_MIN) * 0.5), ENEMY_START_X_MIN + Math.floor((ENEMY_START_X_MAX - ENEMY_START_X_MIN) * 0.8)];
var LASER_COOLDOWN = 18; // ticks
var LASER_COOLDOWN_RAPID = 6;
// Track current firing cooldown, increases as waves progress
var currentLaserCooldown = LASER_COOLDOWN;
var currentLaserCooldownRapid = LASER_COOLDOWN_RAPID;
var CRYSTAL_COLLECT_DIST = 120;
var BONUS_COLLECT_DIST = 120;
var CRYSTAL_MOVE_STEP = 180; // How much movement area expands per crystal
var MAX_CRYSTALS = 8;
var WAVE_ENEMY_BASE = 10;
var WAVE_ENEMY_INC = 5; // Increase by 5 each wave
var WAVE_SPEED_INC = 0.10;
var WAVE_HP_INC = 1;
var BONUS_WAVE_INTERVAL = 3;
var POWERUP_DURATION = 360; // 6 seconds at 60fps
// Game state
var player = null;
var aliens = [];
var lasers = [];
var crystals = [];
var bonuses = [];
var boss = null;
var bossActive = false;
var bossDefeated = false;
var dragNode = null;
var dragOffsetX = 0;
var dragOffsetY = 0;
var lastMoveX = 0;
var lastMoveY = 0;
var lastAlienSpawnTick = 0;
var wave = 1;
var enemiesLeft = 0;
var enemiesToSpawn = 0;
var enemiesKilled = 0;
var aliensKilledThisWave = 0; // Track aliens killed in current wave
var crystalsCollected = 0;
var leftLimit = PLAYER_MIN_X;
var rightLimit = PLAYER_MAX_X;
var bonusActive = false;
var bonusType = null;
// Double shot state for player bonus
var doubleShotActive = false;
var doubleShotTimer = 0;
// Removed score and scoreTxt, replaced by crystalTxt
var waveTxt = null;
var powerupTxt = null;
var gameOver = false;
var youWin = false;
// GUI
// Crystal icon in upper left (avoid top left 100x100 for menu)
// Crystal icon and count, aligned and sized together
var crystalIcon = LK.getAsset('crystal', {
anchorX: 0,
anchorY: 0.5
});
crystalIcon.x = 20;
crystalIcon.y = 160 + 40; // center of 80px icon at 160+40=200
crystalIcon.width = 100;
crystalIcon.height = 100;
LK.gui.topLeft.addChild(crystalIcon);
// Crystal count text, vertically centered with icon, same height
var crystalTxt = new Text2('0', {
size: 100,
fill: 0x00eaff
});
crystalTxt.anchor.set(0, 0.5);
crystalTxt.x = crystalIcon.x + crystalIcon.width + 24;
crystalTxt.y = crystalIcon.y;
LK.gui.topLeft.addChild(crystalTxt);
waveTxt = new Text2('Wave 1', {
size: 80,
fill: 0xAAFFFF
});
waveTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(waveTxt);
waveTxt.y = 120;
powerupTxt = new Text2('', {
size: 70,
fill: 0xFFE100
});
powerupTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(powerupTxt);
powerupTxt.y = 220;
// Start music
LK.playMusic('bgmusic');
// Spawn player
player = new Player();
player.x = PLAYER_START_X;
player.y = PLAYER_START_Y;
game.addChild(player);
// Set initial movement limits
leftLimit = player.leftLimit;
rightLimit = player.rightLimit;
// Start first wave
function startWave(waveNum) {
wave = waveNum;
waveTxt.setText('Wave ' + wave);
// Remove previous boss if any
if (boss && boss.parent) {
boss.destroy();
}
boss = null;
bossActive = false;
bossDefeated = false;
// Set enemiesToSpawn to 30 for each wave, so wave increases every 30 aliens
enemiesToSpawn = 30;
enemiesLeft = enemiesToSpawn;
lastAlienSpawnTick = LK.ticks;
aliensKilledThisWave = 0; // Reset for new wave
// Change star color every 2 waves
var starColor = getStarColorForWave(waveNum);
for (var i = 0; i < stars.length; i++) {
stars[i].setColor(starColor);
}
// Reset firing speed to base values every wave, then increase firing speed by 0.15x per wave
currentLaserCooldown = Math.max(2, Math.round(LASER_COOLDOWN * Math.pow(0.85, wave - 1)));
currentLaserCooldownRapid = Math.max(1, Math.round(LASER_COOLDOWN_RAPID * Math.pow(0.85, wave - 1)));
}
// Set initial star color
var initialStarColor = getStarColorForWave(1);
for (var i = 0; i < stars.length; i++) {
stars[i].setColor(initialStarColor);
}
startWave(1);
// Utility: clamp
function clamp(val, min, max) {
if (val < min) return min;
if (val > max) return max;
return val;
}
// Utility: random int
function randInt(min, max) {
return min + Math.floor(Math.random() * (max - min + 1));
}
// Utility: random powerup
function randomPowerup() {
var arr = ['rapid', 'pierce', 'shield'];
return arr[randInt(0, arr.length - 1)];
}
// Handle movement (dragging)
function handleMove(x, y, obj) {
if (dragNode === player) {
// Clamp to current movement limits
var newX = clamp(x, leftLimit, rightLimit);
player.x = newX;
lastMoveX = newX;
lastMoveY = player.y;
}
}
game.move = handleMove;
game.down = function (x, y, obj) {
// Only allow drag if touch/click is on player or below
if (y > GROUND_Y - 200) {
dragNode = player;
handleMove(x, y, obj);
}
};
game.up = function (x, y, obj) {
dragNode = null;
};
// Main game update
game.update = function () {
// Update background stars
for (var i = 0; i < stars.length; i++) {
stars[i].update();
}
if (gameOver || youWin) return;
// Player update (powerup timer)
player.update();
// Aliens update
for (var i = aliens.length - 1; i >= 0; i--) {
var alien = aliens[i];
alien.update();
// Check if alien reached bottom edge (player dies)
if (alien.y > GAME_HEIGHT + alien.height / 2) {
LK.effects.flashScreen(0xff0000, 1000);
LK.showGameOver();
gameOver = true;
return;
}
// Check collision with player (if shielded, destroy alien)
if (player.powered && player.powerType === 'shield' && alien.intersects(player)) {
LK.getSound('alien_die').play();
LK.effects.flashObject(alien, 0x00eaff, 400);
alien.isDead = true;
aliens.splice(i, 1);
alien.destroy();
continue;
}
}
// Boss update
if (bossActive && boss && !boss.isDead) {
boss.update();
// If boss reaches bottom, game over
if (boss.y > GAME_HEIGHT + boss.height / 2) {
LK.effects.flashScreen(0xff0000, 1000);
LK.showGameOver();
gameOver = true;
return;
}
// If player has shield and collides with boss, destroy boss
if (player.powered && player.powerType === 'shield' && boss.intersects(player)) {
LK.getSound('alien_die').play();
LK.effects.flashObject(boss, 0x00eaff, 600);
boss.isDead = true;
bossActive = false;
bossDefeated = true;
boss.destroy();
// Drop multiple crystals
for (var c = 0; c < 3; c++) {
var crystal = new Crystal();
crystal.x = boss.x + randInt(-60, 60);
crystal.y = boss.y + randInt(-60, 60);
crystals.push(crystal);
game.addChild(crystal);
}
}
}
// Lasers update
for (var i = lasers.length - 1; i >= 0; i--) {
var laser = lasers[i];
laser.update();
// Remove if off screen
if (laser.y < -100) {
lasers.splice(i, 1);
laser.destroy();
continue;
}
// Check collision with aliens
var hit = false;
for (var j = aliens.length - 1; j >= 0; j--) {
var alien = aliens[j];
if (!alien.isDead && laser.intersects(alien)) {
alien.hp -= player.powered && player.powerType === 'pierce' ? 2 : 1;
if (alien.hp <= 0) {
// Alien dies
LK.getSound('alien_die').play();
LK.effects.flashObject(alien, 0xff0000, 400);
alien.isDead = true;
// Drop crystal
var crystal = new Crystal();
crystal.x = alien.x;
crystal.y = alien.y;
crystals.push(crystal);
game.addChild(crystal);
// Remove alien
aliens.splice(j, 1);
alien.destroy();
enemiesLeft--;
enemiesKilled++;
aliensKilledThisWave++;
// Every 30 aliens, increase wave by 1 (only if all 30 were killed in this wave)
if (aliensKilledThisWave > 0 && aliensKilledThisWave % 30 === 0 && enemiesLeft === 0) {
// If boss is not active, spawn boss for this wave
if (!bossActive && !bossDefeated) {
boss = new Boss();
boss.x = GAME_WIDTH / 2;
boss.y = -boss.height / 2;
boss.hp = 30 + (wave - 1) * 10;
boss.maxHp = boss.hp;
boss.speed = 2.2 + (wave - 1) * 0.12;
bossActive = true;
game.addChild(boss);
return; // Wait for boss to be defeated before starting next wave
}
// If boss was just defeated, start next wave
if (bossDefeated) {
// If boss is not active, spawn boss for this wave
if (!bossActive && !bossDefeated) {
boss = new Boss();
boss.x = GAME_WIDTH / 2;
boss.y = -boss.height / 2;
boss.hp = 30 + (wave - 1) * 10;
boss.maxHp = boss.hp;
boss.speed = 2.2 + (wave - 1) * 0.12;
bossActive = true;
game.addChild(boss);
return; // Wait for boss to be defeated before starting next wave
}
// If boss was just defeated, start next wave
if (bossDefeated) {
startWave(wave + 1);
// Bonus box every BONUS_WAVE_INTERVAL after wave increment
if ((wave + 1) % BONUS_WAVE_INTERVAL === 0) {
var bonus = new BonusBox();
bonus.x = randInt(leftLimit + 100, rightLimit - 100);
bonus.y = randInt(ENEMY_START_Y_MIN + 100, ENEMY_START_Y_MAX - 100);
bonus.type = randomPowerup();
bonuses.push(bonus);
game.addChild(bonus);
}
bossDefeated = false;
bossDefeated = false;
return; // Prevent double wave start if also enemiesLeft==0
}
return; // Prevent double wave start if also enemiesLeft==0
}
return; // Prevent double wave start if also enemiesLeft==0
}
// New wave?
if (enemiesLeft <= 0) {
// No wave increase here, handled by 30 aliens killed logic
}
}
hit = true;
if (!(player.powered && player.powerType === 'pierce')) break;
}
}
// Check collision with boss
if (bossActive && boss && !boss.isDead && laser.intersects(boss)) {
boss.hp -= player.powered && player.powerType === 'pierce' ? 2 : 1;
LK.effects.flashObject(boss, 0xff0000, 200);
if (boss.hp <= 0) {
LK.getSound('alien_die').play();
boss.isDead = true;
bossActive = false;
bossDefeated = true;
boss.destroy();
// Drop multiple crystals
for (var c = 0; c < 3; c++) {
var crystal = new Crystal();
crystal.x = boss.x + randInt(-60, 60);
crystal.y = boss.y + randInt(-60, 60);
crystals.push(crystal);
game.addChild(crystal);
}
}
hit = true;
if (!(player.powered && player.powerType === 'pierce')) {
lasers.splice(i, 1);
laser.destroy();
}
}
if (hit && !(player.powered && player.powerType === 'pierce')) {
lasers.splice(i, 1);
laser.destroy();
}
}
// Crystals update
for (var i = crystals.length - 1; i >= 0; i--) {
var crystal = crystals[i];
// If player close enough, collect
var dx = player.x - crystal.x;
var dy = player.y - crystal.y;
var dist = Math.sqrt(dx * dx + dy * dy);
if (dist < CRYSTAL_COLLECT_DIST) {
LK.getSound('crystal_get').play();
LK.effects.flashObject(crystal, 0x00eaff, 400);
crystals.splice(i, 1);
crystal.destroy();
// Expand movement area and always update score
crystalsCollected++;
crystalTxt.setText(crystalsCollected);
if (crystalsCollected <= MAX_CRYSTALS) {
leftLimit = Math.max(PLAYER_MIN_X - crystalsCollected * CRYSTAL_MOVE_STEP, 80 + player.width / 2);
rightLimit = Math.min(PLAYER_MAX_X + crystalsCollected * CRYSTAL_MOVE_STEP, GAME_WIDTH - 80 - player.width / 2);
}
}
}
// Bonus boxes update
for (var i = bonuses.length - 1; i >= 0; i--) {
var bonus = bonuses[i];
var dx = player.x - bonus.x;
var dy = player.y - bonus.y;
var dist = Math.sqrt(dx * dx + dy * dy);
if (dist < BONUS_COLLECT_DIST) {
LK.getSound('bonus_get').play();
LK.effects.flashObject(bonus, 0xffe100, 400);
bonuses.splice(i, 1);
bonus.destroy();
// Grant powerup
player.setPower(bonus.type, POWERUP_DURATION);
if (bonus.type === 'rapid') {
powerupTxt.setText('Rapid Fire!');
} else if (bonus.type === 'pierce') {
powerupTxt.setText('Piercing Shots!');
} else if (bonus.type === 'shield') {
powerupTxt.setText('Shield!');
}
// Double shot bonus: always grant for 5 seconds (300 ticks) when bonus is collected
doubleShotActive = true;
doubleShotTimer = 300;
}
}
// Powerup text timer
if (player.powered) {
powerupTxt.alpha = 1;
} else {
if (powerupTxt.alpha > 0) {
powerupTxt.alpha -= 0.04;
if (powerupTxt.alpha < 0) powerupTxt.alpha = 0;
}
powerupTxt.setText('');
}
// Double shot timer
if (doubleShotActive) {
// Set player and all lasers to red tint
if (player && player.children && player.children.length > 0) {
// Player sprite is always first child
if (player.children[0].tint !== 0xff0000) player.children[0].tint = 0xff0000;
}
for (var i = 0; i < lasers.length; i++) {
if (lasers[i].children && lasers[i].children.length > 0) {
if (lasers[i].children[0].tint !== 0xff0000) lasers[i].children[0].tint = 0xff0000;
}
}
doubleShotTimer--;
if (doubleShotTimer <= 0) {
doubleShotActive = false;
// Restore player tint (respect powerup color if active)
if (player && player.children && player.children.length > 0) {
if (player.powered) {
if (player.powerType === 'rapid') {
player.children[0].tint = 0xffe100;
} else if (player.powerType === 'pierce') {
player.children[0].tint = 0x00ffb0;
} else if (player.powerType === 'shield') {
player.children[0].tint = 0x00eaff;
}
} else {
player.children[0].tint = 0xffffff;
}
}
// Restore all lasers to normal tint
for (var i = 0; i < lasers.length; i++) {
if (lasers[i].children && lasers[i].children.length > 0) {
lasers[i].children[0].tint = 0xffffff;
}
}
}
}
// Player auto-fire
var cooldown = player.powered && player.powerType === 'rapid' ? currentLaserCooldownRapid : currentLaserCooldown;
if (player.shootCooldown > 0) player.shootCooldown--;
// Find nearest alien in range
var nearestAlien = null;
var minDist = 99999;
for (var i = 0; i < aliens.length; i++) {
var alien = aliens[i];
var dx = alien.x - player.x;
var dy = alien.y - player.y;
var dist = Math.sqrt(dx * dx + dy * dy);
if (dy > 0) continue; // Only shoot aliens above the player
if (dist < minDist) {
minDist = dist;
nearestAlien = alien;
}
}
if (nearestAlien && player.shootCooldown <= 0) {
// Fire laser(s)
if (doubleShotActive) {
// Double shot: fire two lasers, slightly offset
var laser1 = new Laser();
laser1.x = player.x - 32;
laser1.y = player.y - player.height / 2 + 10;
if (player.powered && player.powerType === 'pierce') {
laser1.pierce = true;
}
// Set laser red if double shot
if (laser1.children && laser1.children.length > 0) {
laser1.children[0].tint = 0xff0000;
}
lasers.push(laser1);
game.addChild(laser1);
var laser2 = new Laser();
laser2.x = player.x + 32;
laser2.y = player.y - player.height / 2 + 10;
if (player.powered && player.powerType === 'pierce') {
laser2.pierce = true;
}
// Set laser red if double shot
if (laser2.children && laser2.children.length > 0) {
laser2.children[0].tint = 0xff0000;
}
lasers.push(laser2);
game.addChild(laser2);
player.shootCooldown = cooldown;
LK.getSound('laser_shoot').play();
} else {
// Normal single shot
var laser = new Laser();
laser.x = player.x;
laser.y = player.y - player.height / 2 + 10;
if (player.powered && player.powerType === 'pierce') {
laser.pierce = true;
}
// Set laser red if double shot is active
if (doubleShotActive && laser.children && laser.children.length > 0) {
laser.children[0].tint = 0xff0000;
}
lasers.push(laser);
game.addChild(laser);
player.shootCooldown = cooldown;
LK.getSound('laser_shoot').play();
}
}
// Alien image pool for 4 types
var ALIEN_IMAGES = ['alien', 'alien2', 'alien3', 'alien4'];
// Helper: get alien image(s) for this wave
function getAlienImagesForWave(wave) {
// Every 3 waves, cycle to next image
var idx = Math.floor((wave - 1) / 3) % ALIEN_IMAGES.length;
// 30% chance to mix all images in this wave
if (Math.random() < 0.3) {
// Return all images for mixing
return ALIEN_IMAGES.slice();
}
// Otherwise, use only the current image for this 3-wave block
return [ALIEN_IMAGES[idx]];
}
// Track which images to use for this wave
if (typeof currentWaveAlienImages === "undefined") {
var currentWaveAlienImages = getAlienImagesForWave(wave);
}
// If wave changed, update currentWaveAlienImages
if (typeof lastAlienWave === "undefined" || lastAlienWave !== wave) {
currentWaveAlienImages = getAlienImagesForWave(wave);
lastAlienWave = wave;
}
// Spawn aliens for current wave
if (!bossActive && enemiesToSpawn > 0 && LK.ticks - lastAlienSpawnTick > 24) {
// Pick a random image from currentWaveAlienImages
var imgIdx = randInt(0, currentWaveAlienImages.length - 1);
var alienImage = currentWaveAlienImages[imgIdx];
// Create a new Alien and set its image
var alien = new Alien();
// Remove the default sprite and attach the correct one
if (alien.children && alien.children.length > 0) {
alien.removeChild(alien.children[0]);
}
var alienSprite = alien.attachAsset(alienImage, {
anchorX: 0.5,
anchorY: 0.5
});
alien.width = alienSprite.width;
alien.height = alienSprite.height;
// Pick a random road for the alien to spawn on (X position)
var roadIdx = randInt(0, ROAD_X_POSITIONS.length - 1);
alien.x = ROAD_X_POSITIONS[roadIdx];
alien.y = -alien.height / 2;
alien.wave = wave;
alien.speed = 2.5 + (wave - 1) * WAVE_SPEED_INC;
alien.hp = 1 + Math.floor((wave - 1) * WAVE_HP_INC / 2);
aliens.push(alien);
game.addChild(alien);
enemiesToSpawn--;
lastAlienSpawnTick = LK.ticks;
}
}; ===================================================================
--- original.js
+++ change.js
@@ -187,16 +187,16 @@
/****
* Game Code
****/
-// Game constants
-// Player
-// Alien (enemy)
-// Player bullet (laser)
-// Crystal (collectible)
-// Bonus box
-// Sound effects
// Music
+// Sound effects
+// Bonus box
+// Crystal (collectible)
+// Player bullet (laser)
+// Alien (enemy)
+// Player
+// Game constants
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
// --- Starfield background ---
// Star color palette (cycle every 2 waves)
@@ -261,8 +261,11 @@
var aliens = [];
var lasers = [];
var crystals = [];
var bonuses = [];
+var boss = null;
+var bossActive = false;
+var bossDefeated = false;
var dragNode = null;
var dragOffsetX = 0;
var dragOffsetY = 0;
var lastMoveX = 0;
@@ -334,8 +337,15 @@
// Start first wave
function startWave(waveNum) {
wave = waveNum;
waveTxt.setText('Wave ' + wave);
+ // Remove previous boss if any
+ if (boss && boss.parent) {
+ boss.destroy();
+ }
+ boss = null;
+ bossActive = false;
+ bossDefeated = false;
// Set enemiesToSpawn to 30 for each wave, so wave increases every 30 aliens
enemiesToSpawn = 30;
enemiesLeft = enemiesToSpawn;
lastAlienSpawnTick = LK.ticks;
@@ -420,8 +430,36 @@
alien.destroy();
continue;
}
}
+ // Boss update
+ if (bossActive && boss && !boss.isDead) {
+ boss.update();
+ // If boss reaches bottom, game over
+ if (boss.y > GAME_HEIGHT + boss.height / 2) {
+ LK.effects.flashScreen(0xff0000, 1000);
+ LK.showGameOver();
+ gameOver = true;
+ return;
+ }
+ // If player has shield and collides with boss, destroy boss
+ if (player.powered && player.powerType === 'shield' && boss.intersects(player)) {
+ LK.getSound('alien_die').play();
+ LK.effects.flashObject(boss, 0x00eaff, 600);
+ boss.isDead = true;
+ bossActive = false;
+ bossDefeated = true;
+ boss.destroy();
+ // Drop multiple crystals
+ for (var c = 0; c < 3; c++) {
+ var crystal = new Crystal();
+ crystal.x = boss.x + randInt(-60, 60);
+ crystal.y = boss.y + randInt(-60, 60);
+ crystals.push(crystal);
+ game.addChild(crystal);
+ }
+ }
+ }
// Lasers update
for (var i = lasers.length - 1; i >= 0; i--) {
var laser = lasers[i];
laser.update();
@@ -455,18 +493,52 @@
enemiesKilled++;
aliensKilledThisWave++;
// Every 30 aliens, increase wave by 1 (only if all 30 were killed in this wave)
if (aliensKilledThisWave > 0 && aliensKilledThisWave % 30 === 0 && enemiesLeft === 0) {
- startWave(wave + 1);
- // Bonus box every BONUS_WAVE_INTERVAL after wave increment
- if ((wave + 1) % BONUS_WAVE_INTERVAL === 0) {
- var bonus = new BonusBox();
- bonus.x = randInt(leftLimit + 100, rightLimit - 100);
- bonus.y = randInt(ENEMY_START_Y_MIN + 100, ENEMY_START_Y_MAX - 100);
- bonus.type = randomPowerup();
- bonuses.push(bonus);
- game.addChild(bonus);
+ // If boss is not active, spawn boss for this wave
+ if (!bossActive && !bossDefeated) {
+ boss = new Boss();
+ boss.x = GAME_WIDTH / 2;
+ boss.y = -boss.height / 2;
+ boss.hp = 30 + (wave - 1) * 10;
+ boss.maxHp = boss.hp;
+ boss.speed = 2.2 + (wave - 1) * 0.12;
+ bossActive = true;
+ game.addChild(boss);
+ return; // Wait for boss to be defeated before starting next wave
}
+ // If boss was just defeated, start next wave
+ if (bossDefeated) {
+ // If boss is not active, spawn boss for this wave
+ if (!bossActive && !bossDefeated) {
+ boss = new Boss();
+ boss.x = GAME_WIDTH / 2;
+ boss.y = -boss.height / 2;
+ boss.hp = 30 + (wave - 1) * 10;
+ boss.maxHp = boss.hp;
+ boss.speed = 2.2 + (wave - 1) * 0.12;
+ bossActive = true;
+ game.addChild(boss);
+ return; // Wait for boss to be defeated before starting next wave
+ }
+ // If boss was just defeated, start next wave
+ if (bossDefeated) {
+ startWave(wave + 1);
+ // Bonus box every BONUS_WAVE_INTERVAL after wave increment
+ if ((wave + 1) % BONUS_WAVE_INTERVAL === 0) {
+ var bonus = new BonusBox();
+ bonus.x = randInt(leftLimit + 100, rightLimit - 100);
+ bonus.y = randInt(ENEMY_START_Y_MIN + 100, ENEMY_START_Y_MAX - 100);
+ bonus.type = randomPowerup();
+ bonuses.push(bonus);
+ game.addChild(bonus);
+ }
+ bossDefeated = false;
+ bossDefeated = false;
+ return; // Prevent double wave start if also enemiesLeft==0
+ }
+ return; // Prevent double wave start if also enemiesLeft==0
+ }
return; // Prevent double wave start if also enemiesLeft==0
}
// New wave?
if (enemiesLeft <= 0) {
@@ -476,8 +548,33 @@
hit = true;
if (!(player.powered && player.powerType === 'pierce')) break;
}
}
+ // Check collision with boss
+ if (bossActive && boss && !boss.isDead && laser.intersects(boss)) {
+ boss.hp -= player.powered && player.powerType === 'pierce' ? 2 : 1;
+ LK.effects.flashObject(boss, 0xff0000, 200);
+ if (boss.hp <= 0) {
+ LK.getSound('alien_die').play();
+ boss.isDead = true;
+ bossActive = false;
+ bossDefeated = true;
+ boss.destroy();
+ // Drop multiple crystals
+ for (var c = 0; c < 3; c++) {
+ var crystal = new Crystal();
+ crystal.x = boss.x + randInt(-60, 60);
+ crystal.y = boss.y + randInt(-60, 60);
+ crystals.push(crystal);
+ game.addChild(crystal);
+ }
+ }
+ hit = true;
+ if (!(player.powered && player.powerType === 'pierce')) {
+ lasers.splice(i, 1);
+ laser.destroy();
+ }
+ }
if (hit && !(player.powered && player.powerType === 'pierce')) {
lasers.splice(i, 1);
laser.destroy();
}
@@ -663,9 +760,9 @@
currentWaveAlienImages = getAlienImagesForWave(wave);
lastAlienWave = wave;
}
// Spawn aliens for current wave
- if (enemiesToSpawn > 0 && LK.ticks - lastAlienSpawnTick > 24) {
+ if (!bossActive && enemiesToSpawn > 0 && LK.ticks - lastAlienSpawnTick > 24) {
// Pick a random image from currentWaveAlienImages
var imgIdx = randInt(0, currentWaveAlienImages.length - 1);
var alienImage = currentWaveAlienImages[imgIdx];
// Create a new Alien and set its image
Images
:quality(85)/https://cdn.frvr.ai/682b6802ad10e69354d584d7.png%3F3)
A triangular spaceship. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b6ae5910d3be783f4b996.png%3F3)
alien creature drawing. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b6ae6910d3be783f4b99c.png%3F3)
alien creature drawing. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b6ae5910d3be783f4b98e.png%3F3)
alien creature drawing. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b6b05910d3be783f4b9c0.png%3F3)
alien creature drawing. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b6bfb910d3be783f4ba56.png%3F3)
blue crystal. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682b86279f1ebd2980a50117.png%3F3)
draw thick long laser bullet. In-Game asset. 2d. High contrast. No shadows
:quality(85)/https://cdn.frvr.ai/682c4f0ac31f3279e93af8f4.png%3F3)
remove bonus text
:quality(85)/https://cdn.frvr.ai/682de823061118b95a6b1386.png%3F3)
spaceship. In-Game asset. 2d. High contrast. No shadows
Used plugins
@upit/tween
