imitating ben's rust sketch

unicodeNoise.pde

/*
unicode drawings
 */

void setup() {
  size(400, 400);
}

String[] unicodez = {
  " ", " ", "▩", "█", "█"
};

void draw() {
  background(255);
  for (int i = 0; i <= width; i+=15) {
    for (int j = 15; j <= height; j+=15) {
      float n = noise(i*mouseX,j*mouseY);
      int mapped = (int)(map(n*width, 0, width, 0, 5));
      fill(0);
      text(unicodez[mapped], i, j);
    }
  }
}