# Codecember 2020 #13
**URL:** https://discourse.processing.org/t/codecember-2020-13/26446
**Category:** Gallery
**Created:** [December 22, 2020, 3:40pm UTC](https://discourse.processing.org/t/codecember-2020-13/26446 "2020-12-22T15:40:50Z")
**Posts on this page:** 1
**Page:** 1
### Author:  [@CodeMasterX](https://discourse.processing.org/u/CodeMasterX)
#### Post date: [December 22, 2020, 3:40pm UTC](https://discourse.processing.org/t/codecember-2020-13/26446/1 "2020-12-22T15:40:50Z")
#codecember
```auto
int maxAge = 200 , n = 100, maxRange = 150;
ArrayList fromPath = new ArrayList();
ArrayList toPath = new ArrayList();
ArrayList age = new ArrayList();
void setup() {
fullScreen();
//size(600,600);
for(int i = 0; i < n; i++) {
fromPath.add(new PVector(random(width),random(height)));
toPath.add(new PVector(random(height),random(height)));
age.add((float)random(maxAge));
}
colorMode(HSB);
}
void draw() {
background(0);
stroke(255);
for(int i = 0; i < n; i++) {
age.set(i,age.get(i)+1);
circle( map(age.get(i),0,maxAge,fromPath.get(i).x,toPath.get(i).x), map(age.get(i),0,maxAge,fromPath.get(i).y,toPath.get(i).y),4);
if(age.get(i) > maxAge) {
fromPath.set(i,toPath.get(i));
toPath.set(i,new PVector(random(width),random(height)));
age.set(i,(float)0);
}
}
for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) {
float x1 = map(age.get(i),0,maxAge,fromPath.get(i).x,toPath.get(i).x);
float y1 = map(age.get(i),0,maxAge,fromPath.get(i).y,toPath.get(i).y);
float x2 = map(age.get(j),0,maxAge,fromPath.get(j).x,toPath.get(j).x);
float y2 = map(age.get(j),0,maxAge,fromPath.get(j).y,toPath.get(j).y);
if(dist(x1,y1,x2,y2) < maxRange) {
stroke(map(dist(x1,y1,x2,y2),0,maxRange,0,255),255,255, 255-map(dist(x1,y1,x2,y2),0,maxRange,0,255));
line(x1,y1,x2,y2);
}
}
}
```
