class Point
{
  int x;
  int y;
  
  Point(int x, int y)
  {
    this.x = x;
    this.y = y;
  }
  
  Point(Point p)
  {
    x = p.x;
    y = p.y;
  }
}

void affichePoint(Point p)
{
  println(p.x+","+p.y);
}

void setup()
{
  //Point p1 = new Point(32,50);
  //affichePoint(p1);
  size(1000,400);
  background(255);
  frameRate(24); 
}

Point positionPrecedente;
Point positionCourante;

void draw()
{
  
  positionCourante = new Point(mouseX, mouseY);
  affichePoint(positionCourante);
  if (positionPrecedente!=null)
  {
    line(positionPrecedente.x, positionPrecedente.y, positionCourante.x, positionCourante.y);
  }
 
}