//object constructors:


// enviroment setup :
void setup() {
  size(1000,400);
  background(0);
  stroke(255);
  smooth();
}

// df variables :
float s;

// functions :
void f_center() { // move to center of frame
  translate(width/2,height/2);
}

void f_tHatch_001a(float d) {
  d *= 0.66f;
  if (d > 2) {
    pushMatrix();
    line(0,0,0,d);
    rotate(radians(random(60,180)));
    line(0,0,0,d/2);
    translate(0,d/2);
    f_tHatch_001a(d);
    //popMatrix(); 
    
    translate(0,d);
    f_tHatch_001a(d);
    popMatrix();
    
    pushMatrix();
    line(0,0,0,-d);
    rotate(radians(random(60,180)));
    line(0,0,0,-d/2);
    translate(0,-d/2);
    f_tHatch_001a(-d);
    //popMatrix();
    
    translate(0,-d);
    f_tHatch_001a(-d);
    popMatrix();
  }
}

// run :
void draw() {
  f_center();
  
  if (s < 1) {
    s = width;
    translate(0,0);
  } else if (s >= 1) {
    translate(random(-width/2,width/2),random(-height/2,height/2));
  }
  
  int clr = int(random(0,2.3));
  switch(clr) {
    case 0 : // clr match 0
      stroke(0);
      break;
    case 1 : // clr match 1
      stroke(255);
      break;
    default : // no match
      stroke(255);
      break;
  }
  
  f_tHatch_001a(-s/2);
  f_tHatch_001a(s/2);
  noLoop(); // stop executing
}

// interactions :
void mousePressed() {
  if (width > height) {
    s = mouseX*2;
  } else if (width < height) {
    s = mouseY*2;
  } else if (width == height) {
    s = (mouseX-width/2)*(mouseY-height/2);
  }
  redraw();
}

void keyReleased() { 
  saveFrame("tHatch001a-####.tga");
}