public	void	processing_draw_line(Point[] line)
{
	int	i;
	Point	p1, p2;

	for (i = 0; i < line.length - 1; i++)
	{
		p1 = line[i];
		p2 = line[i + 1];

//		println("  print seg:", p1.x, p1.y, p2.x, p2.y);
		stroke(p1.r, p1.g, p1.b);
		line(p1.x, p1.y, p2.x, p2.y);
	}
}

public	class	LaserOut
{
	String	laser_out;
	boolean	is_empty;
	boolean	is_printing;

	LaserOut(boolean printing)
	{
		laser_out = new String();
		laser_out += "[";
		is_empty = true;
		is_printing = printing;
	}

	LaserOut()
	{
		laser_out = new String();
		laser_out += "[";
		is_empty = true;
		is_printing = true;
	}

	void	print_frame()
	{
		// to terminate json array
		laser_out += "]";
		if (is_printing)
			println(laser_out);

		// flush the string, prepar for next frame
		laser_out = "";
		laser_out += "[";
		is_empty = true;
	}
	
	void	add_line(Point[] line)
	{
		if (is_empty)
			is_empty = false;
		else
		{
			laser_out += ", ";
		}

		// on met un point noir quoi qu'il arrive
		laser_out +=  "[" + str(line[0].x) + ", " + str(line[0].y) + ", 0]";
		for (int i = 0; i < line.length; i++)
		{
			laser_out += ", [" + str(line[i].x) + ", " + str(line[i].y) + ", " + str(line[i].col) + "]";
		}
		laser_out +=  ", [" + str(line[line.length - 1].x) + ", " + str(line[line.length - 1].y) + ", 0]";

		processing_draw_line(line); // On pourait rajouter une condition si un paraetre est activer
	}
}