tiddies

int n=500;
int x[]=new int[n];
int y[]=new int[n];
int velocidad[]=new int[n];
int diameter[]=new int[n];
color bola[]=new color[n];

void setup() {
  size(800, 600);
  for (int i=0; i<n; i++) {
    x[i]=(int)random(width);
    y[i]=(int)random(height);
    velocidad[i]=(int)random(-20,20);
    diameter[i]=(int)random(30,150);
    bola[i]=color(random(255),random(255),random(255),random(50,255));

  }
  noStroke();
  smooth();
}

void bolita(int x, int y, color bola, float diameter) {
  fill(bola);
  ellipse(x, y, diameter, diameter);
}

void draw() {
  background(0);
  for (int i=0; i<n; i++) {
    bolita(x[i], y[i], bola[i], diameter[i]);
    x[i]+=velocidad[i];
    if (x[i]>width | x[i]<0) {
      velocidad[i]=-velocidad[i];
    }
  }
}