// Simplified from Reas & Fry 22-09

void setup() {
  size(400,200);
  smooth(); strokeWeight(2);
}

void draw() {
  if(frameCount > 1) return; // do in once only
  background(0);
  drawT(width/2, height, width/4);
}

void drawT(int x, int y, int r)
{
  // a new color each time
  stroke(random(128,255),random(128,255),random(128,255));
  
  line(x, y, x, y-r);  // vertical
  line(x-r, y-r, x+r, y-r);  // horizontal
  
  if (r>1) {  // only continue stacking if half size will be non-zero
    drawT(x-r, y-r, r/2);  // stack on left side
    drawT(x+r, y-r, r/2);  // stack on right side
  }
}

// START NO NOTES
// code used to capture screenshots
void keyReleased() {
  if(key == '`' && !online) save("sketch.png");
}