It could be a nice tiny sketch.
fullscreen
float x, y;
float size = 1.0;
void setup()
{
size(200,200);
noStroke();
frameRate(2.5);
}
void draw()
{
background(0);
strokeWeight(15);
for(int i = 0; i < width; i++) {
float r = random(255);
float x = random(0, width);
stroke(r, 60);
line(i, 0, x, height);
}
}