flickering stuff for processing

flickering.pde

// flickers and stuff
// by Patrik Wallström in processing
// pawal@amplitut.de 2020-09-16

// user settings
int growthRate = 64; // the higher the faster number of divides
int scanLines = 64;  // number of lines per division

// random globals
int x1=1;
int xdivide = 1;

void setup() {
  frameRate(60);
  fullScreen(P2D,0);
  background(0);
  noStroke();
  fill(102);
}

void draw() {
  background(0);
  int ydivide = width / (xdivide + 1);
  for (int j = 0; j < xdivide+1; j++) {
    int ystart = ydivide * j;
    int yend = ystart + ydivide;
    for (int i = 0; i < scanLines; i++) {
      int row = (int) random(0,height);
      stroke((int) random(0,255)); // change to x later..?
      line (ystart, row, yend, row);
    }
    x1 = (int) (frameCount / 100) + 1;
    xdivide = (int) frameCount / growthRate;
  }
}