// rechteckige Grundfläche, mit Maus Horizontal und Verikal Variabel
void setup() {
  size (900,900);
  noStroke();
  int x = 0;
}

void draw() {
  background(0);
  rectMode(CENTER);
  rect (450,450,mouseX,mouseY);
  //int x = 0;
  
  
}

void mousePressed() {
  if (mousePressed == true) {
    int x = 0;
    background(204);

    if(x < 100) {
      line(x, 0, x, 100);
      x = x + 1;
    } else {
      noLoop();
    }
    // Saves each frame as screen-0000.tif, screen-0001.tif, etc.
    saveFrame();
  }
}