# My projects library! - CodeMasterX's gallery megathread

**URL:** <https://discourse.processing.org/t/my-projects-library-codemasterxs-gallery-megathread/26301>\
**Category:** Gallery\
**Created:** [December 16, 2020, 1:58pm UTC](https://discourse.processing.org/t/my-projects-library-codemasterxs-gallery-megathread/26301 "2020-12-16T13:58:38Z")\
**Posts on this page:** 1\
**Showing post:** 20

<div class="post-metadata">

**Author:** ![CodeMasterX](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/codemasterx/32/2942_2.png) [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)\
**Post date:** [January 3, 2021, 2:19pm UTC](https://discourse.processing.org/t/my-projects-library-codemasterxs-gallery-megathread/26301/20 "2021-01-03T14:19:37Z")

</div>

**#13 Meteor shower** Java mode

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/processingfoundation1/original/2X/8/8be26ee37931ea7765dd56f3bc3189b39a9d1946.png)

> **Code**
>
> ```auto
> ArrayList<star> stars = new ArrayList<star>();
> ArrayList<particle> particles = new ArrayList<particle>();
> float globalG = 0.1, colorOffset = 50, minStarSpeed = 2, maxStarSpeed = 6, minParticleSpeed = 2, maxParticleSpeed = 3, starSize = 8;
> void setup() {
> fullScreen();
> //size(600,600);
> colorMode(HSB);
> }
> void draw() {
> background(0);
> for(int i = 0; i < stars.size(); i++) {
> stars.get(i).move();
> stars.get(i).display();
> //checking for stars to delete
> if(stars.get(i).x > width*1.5 || stars.get(i).y > height*1.5) {
> stars.remove(i);
> }
> }
> for(int i = 0; i < particles.size(); i++) {
> particles.get(i).move();
> particles.get(i).display();
> //deleting particels
> if(particles.get(i).age > particles.get(i).maxAge) {
> particles.remove(i);
> }
> }
> if(random(100) > 90) {
> addStar(random(width/2),random(height/2),random(minStarSpeed,maxStarSpeed),random(minStarSpeed,maxStarSpeed),color(random(255),255,255));
> }
> }
> void mousePressed() {
> addStar(mouseX,mouseY,5,5,color(random(255),255,255));
> }
> void addStar(float x, float y, float xs, float ys, color clrFill) {
> stars.add(new star(x,y,xs,ys,clrFill));
> }
> 
> class star {
> float xs,ys, x,y, r = starSize;
> color clr;
> star(float x_, float y_, float xs_, float ys_, color clr_) {
> x = x_;
> y = y_;
> xs = xs_;
> ys = ys_;
> clr = clr_;
> }
> void display() {
> fill(clr);
> noStroke();
> circle(x,y,r*2);
> }
> void move() {
> x += xs;
> y += ys;
> float rep = random(2,10);
> for(int i = 0; i < rep; i++) {
> float dir = random(TWO_PI), speed = random(minParticleSpeed,maxParticleSpeed);
> addParticle(x,y,cos(dir)*speed,sin(dir)*speed,0,20, color(hue(clr)+random(-colorOffset/2, colorOffset/2),255,255));
> }
> }
> }
> class particle {
> float x,y,xs,ys,age,maxAge;
> int id;
> color clr;
> particle(float x_, float y_, float xs_, float ys_, int startAge_, int maxAge_, color clrFill) {
> x = x_;
> y = y_;
> xs = xs_;
> ys = ys_;
> age = startAge_;
> maxAge = maxAge_;
> clr = clrFill;
> }
> void display() {
> fill(clr, map( age,0,maxAge,255,0));
> noStroke();
> circle(x,y,5);
> }
> void move() {
> ys+=globalG;
> x += xs;
> y += ys;
> age++;
> }
> }
> void addParticle(float x, float y, float xs, float ys, int startAge, int maxAge, color clrFill) {
> particles.add(new particle(x,y,xs,ys,startAge,maxAge, clrFill));
> }
> 
> ```

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