:quality(85)/https://cdn.frvr.ai/680520d0edac01de2ca7a4ef.png)
:quality(85)/https://cdn.frvr.ai/680520c7edac01de2ca7a4ed.png)
#SpaceGame
#ArcadeShooter
#AsteroidBlaster
#MobileArcade
#SpaceDefender
Creation History
User prompt
Fix error
User prompt
Please fix the bug: 'Script error.' in or related to this line: 'LK.playSound('shoot');' Line Number: 578
User prompt
Fix it so the sound assets work again
User prompt
Add a cool background with visual effects
User prompt
Create a cool startscreen āŖš” Consider importing and using the following plugins: @upit/tween.v1
Code edit (1 edits merged)
Please save this source code
User prompt
Space Defender: Asteroid Rush
Initial prompt
Create me a cool mobile game
/****
* Plugins
****/
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");
/****
* Classes
****/
var Asteroid = Container.expand(function () {
var self = Container.call(this);
var size = 1 + Math.random() * 2; // Size between 1 and 3
var asteroid = self.attachAsset('asteroid', {
anchorX: 0.5,
anchorY: 0.5,
scaleX: size,
scaleY: size
});
self.size = size;
self.speedX = (Math.random() - 0.5) * 6;
self.speedY = 3 + Math.random() * 5;
self.rotationSpeed = (Math.random() - 0.5) * 0.05;
self.update = function () {
self.x += self.speedX;
self.y += self.speedY;
self.rotation += self.rotationSpeed;
// Check if asteroid is outside the screen bounds
if (self.y > 2732 + asteroid.height) {
self.markForRemoval = true;
}
// Bounce off the sides
if (self.x < 0 || self.x > 2048) {
self.speedX = -self.speedX;
}
};
return self;
});
var Bullet = Container.expand(function () {
var self = Container.call(this);
var bullet = self.attachAsset('bullet', {
anchorX: 0.5,
anchorY: 0.5
});
self.speed = -15; // Negative because bullets move upward
self.update = function () {
self.y += self.speed;
// Check if bullet is outside the screen bounds
if (self.y < -bullet.height) {
self.markForRemoval = true;
}
};
return self;
});
var PowerUp = Container.expand(function () {
var self = Container.call(this);
self.type = Math.random() < 0.5 ? 'shield' : 'multiShot';
var powerUp = self.attachAsset('powerUp', {
anchorX: 0.5,
anchorY: 0.5,
tint: self.type === 'shield' ? 0x2ecc71 : 0xf1c40f
});
self.speed = 3 + Math.random() * 2;
self.update = function () {
self.y += self.speed;
self.rotation += 0.02;
// Check if power-up is outside the screen bounds
if (self.y > 2732 + powerUp.height) {
self.markForRemoval = true;
}
};
return self;
});
var Spaceship = Container.expand(function () {
var self = Container.call(this);
var ship = self.attachAsset('spaceship', {
anchorX: 0.5,
anchorY: 0.5
});
self.shield = false;
self.shieldTime = 0;
self.shieldGraphics = null;
self.multiShot = false;
self.multiShotTime = 0;
self.activateShield = function (duration) {
self.shield = true;
self.shieldTime = duration;
if (!self.shieldGraphics) {
self.shieldGraphics = self.attachAsset('shield', {
anchorX: 0.5,
anchorY: 0.5,
alpha: 0.5
});
} else {
self.shieldGraphics.alpha = 0.5;
}
};
self.activateMultiShot = function (duration) {
self.multiShot = true;
self.multiShotTime = duration;
};
self.update = function () {
if (self.shield) {
self.shieldTime--;
if (self.shieldTime <= 0) {
self.shield = false;
if (self.shieldGraphics) {
self.shieldGraphics.alpha = 0;
}
}
}
if (self.multiShot) {
self.multiShotTime--;
if (self.multiShotTime <= 0) {
self.multiShot = false;
}
}
};
return self;
});
var StartScreen = Container.expand(function () {
var self = Container.call(this);
// Game title
var titleText = new Text2('SPACE DEFENDER', {
size: 120,
fill: 0x4fc3f7
});
titleText.anchor.set(0.5, 0.5);
titleText.x = 2048 / 2;
titleText.y = 2732 / 3;
self.addChild(titleText);
// Subtitle
var subtitleText = new Text2('ASTEROID RUSH', {
size: 80,
fill: 0xb3e5fc
});
subtitleText.anchor.set(0.5, 0.5);
subtitleText.x = 2048 / 2;
subtitleText.y = titleText.y + 120;
self.addChild(subtitleText);
// Instructions
var instructionsText = new Text2('DRAG TO MOVE ā¢ TAP TO SHOOT', {
size: 50,
fill: 0xFFFFFF
});
instructionsText.anchor.set(0.5, 0.5);
instructionsText.x = 2048 / 2;
instructionsText.y = 2732 / 2 + 200;
self.addChild(instructionsText);
// Animated star field background
var stars = [];
for (var i = 0; i < 100; i++) {
var star = LK.getAsset('powerUp', {
anchorX: 0.5,
anchorY: 0.5,
scaleX: 0.1 + Math.random() * 0.3,
scaleY: 0.1 + Math.random() * 0.3,
alpha: 0.2 + Math.random() * 0.8,
tint: 0xFFFFFF
});
star.x = Math.random() * 2048;
star.y = Math.random() * 2732;
star.speed = 0.5 + Math.random() * 2;
stars.push(star);
self.addChild(star);
}
// Small spaceship preview
var shipPreview = LK.getAsset('spaceship', {
anchorX: 0.5,
anchorY: 0.5,
scaleX: 2,
scaleY: 2
});
shipPreview.x = 2048 / 2;
shipPreview.y = 2732 / 2 + 400;
self.addChild(shipPreview);
// Animate title with pulsing effect
tween(titleText, {
scaleX: 1.1,
scaleY: 1.1
}, {
duration: 1500,
easing: tween.easeInOut,
onFinish: function onFinish() {
tween(titleText, {
scaleX: 1.0,
scaleY: 1.0
}, {
duration: 1500,
easing: tween.easeInOut,
onFinish: function onFinish() {
// Restart the animation
tween(titleText, {
scaleX: 1.1,
scaleY: 1.1
}, {
duration: 1500,
easing: tween.easeInOut
});
}
});
}
});
// Rotate ship preview
tween(shipPreview, {
rotation: Math.PI * 2
}, {
duration: 8000,
easing: tween.linear,
onFinish: function onFinish() {
shipPreview.rotation = 0;
// Restart the rotation
tween(shipPreview, {
rotation: Math.PI * 2
}, {
duration: 8000,
easing: tween.linear
});
}
});
self.update = function () {
// Animate stars
for (var i = 0; i < stars.length; i++) {
stars[i].y += stars[i].speed;
if (stars[i].y > 2732) {
stars[i].y = 0;
stars[i].x = Math.random() * 2048;
}
}
};
return self;
});
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0x000022
});
/****
* Game Code
****/
// Game variables
var spaceship;
var asteroids = [];
var bullets = [];
var powerUps = [];
var lastShot = 0;
var shotCooldown = 15; // Frames between shots
var score = 0;
var level = 1;
var gameStarted = false;
var dragMode = false;
var highScore = storage.highScore || 0;
var startScreen = new StartScreen();
game.addChild(startScreen);
// Set a space background
game.setBackgroundColor(0x000022);
// Initialize UI elements
var scoreTxt = new Text2('SCORE: 0', {
size: 50,
fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
LK.gui.topRight.addChild(scoreTxt);
scoreTxt.x = -200;
scoreTxt.y = 20;
var levelTxt = new Text2('LEVEL: 1', {
size: 50,
fill: 0xFFFFFF
});
levelTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(levelTxt);
levelTxt.y = 20;
var highScoreTxt = new Text2('HIGH SCORE: ' + highScore, {
size: 50,
fill: 0xFFFFFF
});
highScoreTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(highScoreTxt);
highScoreTxt.x = -10;
highScoreTxt.y = 80;
// Create start message text
var startTxt = new Text2('TAP ANYWHERE TO START', {
size: 80,
fill: 0xFFFF00
});
startTxt.anchor.set(0.5, 0.5);
startTxt.y = 150;
LK.gui.center.addChild(startTxt);
// Animate the start text
function pulseStartText() {
tween(startTxt, {
alpha: 0.3
}, {
duration: 800,
easing: tween.easeInOut,
onFinish: function onFinish() {
tween(startTxt, {
alpha: 1.0
}, {
duration: 800,
easing: tween.easeInOut,
onFinish: pulseStartText
});
}
});
}
pulseStartText();
// Initialize spaceship
function initializeGame() {
// Play background music
LK.playMusic('gameMusic');
// Create spaceship
spaceship = new Spaceship();
spaceship.x = 2048 / 2;
spaceship.y = 2732 - 200;
game.addChild(spaceship);
// Reset game state
asteroids = [];
bullets = [];
powerUps = [];
lastShot = 0;
score = 0;
level = 1;
LK.setScore(0);
// Update UI
scoreTxt.setText('SCORE: 0');
levelTxt.setText('LEVEL: 1');
highScoreTxt.setText('HIGH SCORE: ' + highScore);
}
// Create a new asteroid
function createAsteroid() {
var asteroid = new Asteroid();
asteroid.x = Math.random() * 2048;
asteroid.y = -100;
asteroids.push(asteroid);
game.addChild(asteroid);
}
// Create a new power-up
function createPowerUp() {
var powerUp = new PowerUp();
powerUp.x = 100 + Math.random() * (2048 - 200);
powerUp.y = -50;
powerUps.push(powerUp);
game.addChild(powerUp);
}
// Fire bullets from the spaceship
function fireBullet() {
if (LK.ticks - lastShot < shotCooldown) {
return;
}
lastShot = LK.ticks;
if (spaceship.multiShot) {
// Create 3 bullets when multi-shot is active
for (var i = -1; i <= 1; i++) {
var bullet = new Bullet();
bullet.x = spaceship.x + i * 30;
bullet.y = spaceship.y - 30;
bullets.push(bullet);
game.addChild(bullet);
}
} else {
// Create a single bullet
var bullet = new Bullet();
bullet.x = spaceship.x;
bullet.y = spaceship.y - 30;
bullets.push(bullet);
game.addChild(bullet);
}
// Play shoot sound
LK.getSound('shoot').play();
}
// Handle collisions between game objects
function handleCollisions() {
// Check bullet-asteroid collisions
for (var i = bullets.length - 1; i >= 0; i--) {
for (var j = asteroids.length - 1; j >= 0; j--) {
if (bullets[i] && asteroids[j] && bullets[i].intersects(asteroids[j])) {
// Increase score based on asteroid size (smaller = harder to hit = more points)
var pointsGained = Math.floor(10 / asteroids[j].size);
score += pointsGained;
LK.setScore(score);
scoreTxt.setText('SCORE: ' + score);
// Play explosion sound
LK.getSound('explosion').play();
// Flash effect on hit
LK.effects.flashObject(asteroids[j], 0xff0000, 200);
// Remove bullet and asteroid
bullets[i].markForRemoval = true;
asteroids[j].markForRemoval = true;
// Break big asteroids into smaller ones
if (asteroids[j].size > 1.5) {
for (var k = 0; k < 2; k++) {
var newAsteroid = new Asteroid();
newAsteroid.size = asteroids[j].size * 0.6;
newAsteroid.x = asteroids[j].x + (Math.random() - 0.5) * 40;
newAsteroid.y = asteroids[j].y + (Math.random() - 0.5) * 40;
asteroids.push(newAsteroid);
game.addChild(newAsteroid);
}
}
// Randomly spawn power-up (5% chance)
if (Math.random() < 0.05) {
var powerUp = new PowerUp();
powerUp.x = asteroids[j].x;
powerUp.y = asteroids[j].y;
powerUps.push(powerUp);
game.addChild(powerUp);
}
break;
}
}
}
// Check spaceship-asteroid collisions
if (spaceship) {
for (var i = asteroids.length - 1; i >= 0; i--) {
if (spaceship.intersects(asteroids[i])) {
if (spaceship.shield) {
// If the spaceship has a shield, destroy the asteroid but don't end the game
asteroids[i].markForRemoval = true;
LK.effects.flashObject(spaceship.shieldGraphics, 0xffffff, 300);
LK.getSound('explosion').play();
} else {
// Game over
LK.effects.flashScreen(0xff0000, 800);
// Update high score if needed
if (score > highScore) {
highScore = score;
storage.highScore = highScore;
}
// Show game over
LK.showGameOver();
return true;
}
}
}
}
// Check spaceship-powerup collisions
if (spaceship) {
for (var i = powerUps.length - 1; i >= 0; i--) {
if (spaceship.intersects(powerUps[i])) {
// Activate power-up effect
if (powerUps[i].type === 'shield') {
spaceship.activateShield(600); // 10 seconds at 60 FPS
} else if (powerUps[i].type === 'multiShot') {
spaceship.activateMultiShot(600); // 10 seconds at 60 FPS
}
// Play power-up sound
LK.getSound('powerup').play();
// Flash effect
LK.effects.flashObject(spaceship, 0xffffff, 300);
// Remove power-up
powerUps[i].markForRemoval = true;
}
}
}
return false;
}
// Clean up game objects marked for removal
function cleanupObjects() {
for (var i = bullets.length - 1; i >= 0; i--) {
if (bullets[i].markForRemoval) {
bullets[i].destroy();
bullets.splice(i, 1);
}
}
for (var i = asteroids.length - 1; i >= 0; i--) {
if (asteroids[i].markForRemoval) {
asteroids[i].destroy();
asteroids.splice(i, 1);
}
}
for (var i = powerUps.length - 1; i >= 0; i--) {
if (powerUps[i].markForRemoval) {
powerUps[i].destroy();
powerUps.splice(i, 1);
}
}
}
// Main game loop
game.update = function () {
if (!gameStarted) {
startScreen.update();
return;
}
// Update spaceship
if (spaceship) {
spaceship.update();
}
// Update bullets
for (var i = 0; i < bullets.length; i++) {
bullets[i].update();
}
// Update asteroids
for (var i = 0; i < asteroids.length; i++) {
asteroids[i].update();
}
// Update power-ups
for (var i = 0; i < powerUps.length; i++) {
powerUps[i].update();
}
// Create asteroids based on level and time
if (LK.ticks % Math.max(60 - level * 5, 15) === 0) {
createAsteroid();
}
// Create power-ups rarely
if (LK.ticks % 600 === 0) {
createPowerUp();
}
// Handle collisions
var gameOver = handleCollisions();
if (gameOver) {
return;
}
// Clean up objects
cleanupObjects();
// Level up based on score
var newLevel = Math.floor(score / 100) + 1;
if (newLevel > level) {
level = newLevel;
levelTxt.setText('LEVEL: ' + level);
}
// Auto-fire if in drag mode
if (dragMode && LK.ticks % 10 === 0) {
fireBullet();
}
};
// Game input handlers
function handleMove(x, y, obj) {
if (!gameStarted) {
return;
}
if (dragMode && spaceship) {
spaceship.x = x;
spaceship.y = y;
}
}
game.down = function (x, y, obj) {
if (!gameStarted) {
// Start the game on first tap
gameStarted = true;
initializeGame();
// Remove the start screen and text
game.removeChild(startScreen);
LK.gui.center.removeChild(startTxt);
// Play a transition effect
LK.effects.flashScreen(0xFFFFFF, 500);
return;
}
// Start dragging the spaceship
dragMode = true;
// Update spaceship position immediately
if (spaceship) {
spaceship.x = x;
spaceship.y = y;
}
// Fire a bullet
fireBullet();
};
game.up = function (x, y, obj) {
dragMode = false;
};
game.move = handleMove; ===================================================================
--- original.js
+++ change.js
@@ -116,8 +116,120 @@
}
};
return self;
});
+var StartScreen = Container.expand(function () {
+ var self = Container.call(this);
+ // Game title
+ var titleText = new Text2('SPACE DEFENDER', {
+ size: 120,
+ fill: 0x4fc3f7
+ });
+ titleText.anchor.set(0.5, 0.5);
+ titleText.x = 2048 / 2;
+ titleText.y = 2732 / 3;
+ self.addChild(titleText);
+ // Subtitle
+ var subtitleText = new Text2('ASTEROID RUSH', {
+ size: 80,
+ fill: 0xb3e5fc
+ });
+ subtitleText.anchor.set(0.5, 0.5);
+ subtitleText.x = 2048 / 2;
+ subtitleText.y = titleText.y + 120;
+ self.addChild(subtitleText);
+ // Instructions
+ var instructionsText = new Text2('DRAG TO MOVE ā¢ TAP TO SHOOT', {
+ size: 50,
+ fill: 0xFFFFFF
+ });
+ instructionsText.anchor.set(0.5, 0.5);
+ instructionsText.x = 2048 / 2;
+ instructionsText.y = 2732 / 2 + 200;
+ self.addChild(instructionsText);
+ // Animated star field background
+ var stars = [];
+ for (var i = 0; i < 100; i++) {
+ var star = LK.getAsset('powerUp', {
+ anchorX: 0.5,
+ anchorY: 0.5,
+ scaleX: 0.1 + Math.random() * 0.3,
+ scaleY: 0.1 + Math.random() * 0.3,
+ alpha: 0.2 + Math.random() * 0.8,
+ tint: 0xFFFFFF
+ });
+ star.x = Math.random() * 2048;
+ star.y = Math.random() * 2732;
+ star.speed = 0.5 + Math.random() * 2;
+ stars.push(star);
+ self.addChild(star);
+ }
+ // Small spaceship preview
+ var shipPreview = LK.getAsset('spaceship', {
+ anchorX: 0.5,
+ anchorY: 0.5,
+ scaleX: 2,
+ scaleY: 2
+ });
+ shipPreview.x = 2048 / 2;
+ shipPreview.y = 2732 / 2 + 400;
+ self.addChild(shipPreview);
+ // Animate title with pulsing effect
+ tween(titleText, {
+ scaleX: 1.1,
+ scaleY: 1.1
+ }, {
+ duration: 1500,
+ easing: tween.easeInOut,
+ onFinish: function onFinish() {
+ tween(titleText, {
+ scaleX: 1.0,
+ scaleY: 1.0
+ }, {
+ duration: 1500,
+ easing: tween.easeInOut,
+ onFinish: function onFinish() {
+ // Restart the animation
+ tween(titleText, {
+ scaleX: 1.1,
+ scaleY: 1.1
+ }, {
+ duration: 1500,
+ easing: tween.easeInOut
+ });
+ }
+ });
+ }
+ });
+ // Rotate ship preview
+ tween(shipPreview, {
+ rotation: Math.PI * 2
+ }, {
+ duration: 8000,
+ easing: tween.linear,
+ onFinish: function onFinish() {
+ shipPreview.rotation = 0;
+ // Restart the rotation
+ tween(shipPreview, {
+ rotation: Math.PI * 2
+ }, {
+ duration: 8000,
+ easing: tween.linear
+ });
+ }
+ });
+ self.update = function () {
+ // Animate stars
+ for (var i = 0; i < stars.length; i++) {
+ stars[i].y += stars[i].speed;
+ if (stars[i].y > 2732) {
+ stars[i].y = 0;
+ stars[i].x = Math.random() * 2048;
+ }
+ }
+ };
+ return self;
+});
/****
* Initialize Game
****/
@@ -139,8 +251,12 @@
var level = 1;
var gameStarted = false;
var dragMode = false;
var highScore = storage.highScore || 0;
+var startScreen = new StartScreen();
+game.addChild(startScreen);
+// Set a space background
+game.setBackgroundColor(0x000022);
// Initialize UI elements
var scoreTxt = new Text2('SCORE: 0', {
size: 50,
fill: 0xFFFFFF
@@ -164,14 +280,34 @@
LK.gui.topRight.addChild(highScoreTxt);
highScoreTxt.x = -10;
highScoreTxt.y = 80;
// Create start message text
-var startTxt = new Text2('TAP TO START', {
+var startTxt = new Text2('TAP ANYWHERE TO START', {
size: 80,
- fill: 0xFFFFFF
+ fill: 0xFFFF00
});
startTxt.anchor.set(0.5, 0.5);
+startTxt.y = 150;
LK.gui.center.addChild(startTxt);
+// Animate the start text
+function pulseStartText() {
+ tween(startTxt, {
+ alpha: 0.3
+ }, {
+ duration: 800,
+ easing: tween.easeInOut,
+ onFinish: function onFinish() {
+ tween(startTxt, {
+ alpha: 1.0
+ }, {
+ duration: 800,
+ easing: tween.easeInOut,
+ onFinish: pulseStartText
+ });
+ }
+ });
+}
+pulseStartText();
// Initialize spaceship
function initializeGame() {
// Play background music
LK.playMusic('gameMusic');
@@ -344,8 +480,9 @@
}
// Main game loop
game.update = function () {
if (!gameStarted) {
+ startScreen.update();
return;
}
// Update spaceship
if (spaceship) {
@@ -403,9 +540,13 @@
if (!gameStarted) {
// Start the game on first tap
gameStarted = true;
initializeGame();
+ // Remove the start screen and text
+ game.removeChild(startScreen);
LK.gui.center.removeChild(startTxt);
+ // Play a transition effect
+ LK.effects.flashScreen(0xFFFFFF, 500);
return;
}
// Start dragging the spaceship
dragMode = true;
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Images
:quality(85)/https://cdn.frvr.ai/68052142edac01de2ca7a4fb.png%3F3)
:quality(85)/https://cdn.frvr.ai/6805216fedac01de2ca7a506.png%3F3)
:quality(85)/https://cdn.frvr.ai/6805219fedac01de2ca7a512.png%3F3)
Sounds & Music
Used plugins
@upit/tween@upit/storage
