Play
:quality(85)/https://cdn.frvr.ai/65aa8ce9d6392e516b2a7a0f.png)
:quality(85)/https://cdn.frvr.ai/65aa8f10d6392e516b2a7a26.png)
#simulation
#fireworks
#casualgame
#colorful
Creation History
User prompt
make an launch trail object
User prompt
make a launch trail object that will spawn at the bottom of the screen and move to the location of the mouse click in 3 seconds
User prompt
spawn the fireworks 3 seconds after the mouse click
User prompt
keep one 3 fireworkobjects at the location of the mouseclick with minimal movement
User prompt
make the outer fireworks move faster
User prompt
make the firework a different color each time
User prompt
make it longer until the fireworks dissappear
Initial prompt
fireworks simulator
/****
* Classes
****/
// Firework particle class
var FireworkParticle = Container.expand(function () {
var self = Container.call(this);
var particleGraphics = self.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5);
self.speedX = 0;
self.speedY = 0;
self.alpha = 1;
self.scaleX = 1;
self.scaleY = 1;
self.update = function () {
self.x += self.speedX;
self.y += self.speedY;
self.alpha *= 0.98; // fade out more slowly
self.scaleX *= 0.99;
self.scaleY *= 0.99;
if (self.alpha < 0.05) {
self.destroy();
}
};
});
// Firework class
var Firework = Container.expand(function () {
var self = Container.call(this);
self.particles = [];
self.explode = function (x, y) {
for (var i = 0; i < 50; i++) {
var particle = new FireworkParticle();
var angle = Math.random() * Math.PI * 2;
var speed = Math.random() * 5 + 2;
particle.speedX = Math.cos(angle) * speed;
particle.speedY = Math.sin(angle) * speed;
particle.x = x;
particle.y = y;
self.particles.push(particle);
game.addChild(particle);
}
};
self.update = function () {
for (var i = self.particles.length - 1; i >= 0; i--) {
self.particles[i].update();
if (self.particles[i].alpha < 0.05) {
self.particles.splice(i, 1);
}
}
};
});
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0x000000 // Init game with black background
});
/****
* Game Code
****/
// Initialize fireworks array
var fireworks = [];
// Event listener for mouse or touch down
game.on('down', function (obj) {
var event = obj.event;
var pos = event.getLocalPosition(game);
var firework = new Firework();
firework.explode(pos.x, pos.y);
fireworks.push(firework);
});
// Update function for the game
LK.on('tick', function () {
for (var i = fireworks.length - 1; i >= 0; i--) {
fireworks[i].update();
if (fireworks[i].particles.length === 0) {
fireworks.splice(i, 1);
}
}
}); ===================================================================
--- original.js
+++ change.js
@@ -1,79 +1,79 @@
-/****
+/****
* Classes
****/
// Firework particle class
var FireworkParticle = Container.expand(function () {
- var self = Container.call(this);
- var particleGraphics = self.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5);
- self.speedX = 0;
- self.speedY = 0;
- self.alpha = 1;
- self.scaleX = 1;
- self.scaleY = 1;
- self.update = function () {
- self.x += self.speedX;
- self.y += self.speedY;
- self.alpha *= 0.95; // fade out
- self.scaleX *= 0.99;
- self.scaleY *= 0.99;
- if (self.alpha < 0.05) {
- self.destroy();
- }
- };
+ var self = Container.call(this);
+ var particleGraphics = self.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5);
+ self.speedX = 0;
+ self.speedY = 0;
+ self.alpha = 1;
+ self.scaleX = 1;
+ self.scaleY = 1;
+ self.update = function () {
+ self.x += self.speedX;
+ self.y += self.speedY;
+ self.alpha *= 0.98; // fade out more slowly
+ self.scaleX *= 0.99;
+ self.scaleY *= 0.99;
+ if (self.alpha < 0.05) {
+ self.destroy();
+ }
+ };
});
// Firework class
var Firework = Container.expand(function () {
- var self = Container.call(this);
- self.particles = [];
- self.explode = function (x, y) {
- for (var i = 0; i < 50; i++) {
- var particle = new FireworkParticle();
- var angle = Math.random() * Math.PI * 2;
- var speed = Math.random() * 5 + 2;
- particle.speedX = Math.cos(angle) * speed;
- particle.speedY = Math.sin(angle) * speed;
- particle.x = x;
- particle.y = y;
- self.particles.push(particle);
- game.addChild(particle);
- }
- };
- self.update = function () {
- for (var i = self.particles.length - 1; i >= 0; i--) {
- self.particles[i].update();
- if (self.particles[i].alpha < 0.05) {
- self.particles.splice(i, 1);
- }
- }
- };
+ var self = Container.call(this);
+ self.particles = [];
+ self.explode = function (x, y) {
+ for (var i = 0; i < 50; i++) {
+ var particle = new FireworkParticle();
+ var angle = Math.random() * Math.PI * 2;
+ var speed = Math.random() * 5 + 2;
+ particle.speedX = Math.cos(angle) * speed;
+ particle.speedY = Math.sin(angle) * speed;
+ particle.x = x;
+ particle.y = y;
+ self.particles.push(particle);
+ game.addChild(particle);
+ }
+ };
+ self.update = function () {
+ for (var i = self.particles.length - 1; i >= 0; i--) {
+ self.particles[i].update();
+ if (self.particles[i].alpha < 0.05) {
+ self.particles.splice(i, 1);
+ }
+ }
+ };
});
-/****
+/****
* Initialize Game
****/
var game = new LK.Game({
- backgroundColor: 0x000000 // Init game with black background
+ backgroundColor: 0x000000 // Init game with black background
});
-/****
+/****
* Game Code
****/
// Initialize fireworks array
var fireworks = [];
// Event listener for mouse or touch down
game.on('down', function (obj) {
- var event = obj.event;
- var pos = event.getLocalPosition(game);
- var firework = new Firework();
- firework.explode(pos.x, pos.y);
- fireworks.push(firework);
+ var event = obj.event;
+ var pos = event.getLocalPosition(game);
+ var firework = new Firework();
+ firework.explode(pos.x, pos.y);
+ fireworks.push(firework);
});
// Update function for the game
LK.on('tick', function () {
- for (var i = fireworks.length - 1; i >= 0; i--) {
- fireworks[i].update();
- if (fireworks[i].particles.length === 0) {
- fireworks.splice(i, 1);
- }
- }
+ for (var i = fireworks.length - 1; i >= 0; i--) {
+ fireworks[i].update();
+ if (fireworks[i].particles.length === 0) {
+ fireworks.splice(i, 1);
+ }
+ }
});
\ No newline at end of file
