class Wall {
  PVector a;
  PVector b;
  boolean bDangerous = true;
  
  CircleButton startPointButton;
  CircleButton endPointButton;
  
  
  Wall(PVector _a, PVector _b, Boolean _bDangerous) {
    a = _a;
    b = _b;
    bDangerous = _bDangerous;
    
    startPointButton = new CircleButton(int(a.x), int(a.y), 9, color(153, 204, 255), color(2, 128, 253), color(127));
    endPointButton = new CircleButton(int(b.x), int(b.y), 9, color(255, 153, 255), color(227, 2, 227), color(127));
  }


  PVector getSlope() {
    PVector AB = new PVector(b.x - a.x, b.y - a.y);
    return AB;
  }

  PVector getStartPoint() { 
    return a;
  }
  PVector getEndPoint() { 
    return b;
  }

  Boolean isDangerous(){
    return bDangerous;
  }
  
  void setStartPoint(PVector v) { 
    a.x = v.x;
    a.y = v.y;
  }
  void setEndPoint(PVector v) { 
    b.x = v.x;
    b.y = v.y;
  }


  void display(int strokeColor) {
    stroke(strokeColor);
    line(a.x, a.y, b.x, b.y);
    
    noStroke();
    startPointButton.display();
    endPointButton.display();
  }
}