/***************************************************************************
   aon_track.cpp  - Class to hold track information for visualization

                             -------------------
   begin                : Tue Jun 08 2004
   copyright            : (C) 2004 by Andrew O'Neill,HiRes Grad Student
   email                : oneill@phys.columbia.edu

 
************************************************************************/
 /* This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */



#include "aon_track.h"


using namespace std;


bool VisualsInitialized = false;
double ZoomFactor = 1e-7;


aonPoint::aonPoint(const double& x, const double& y, const double& z, 
                   const double& t)
	: itsX(x), itsY(y), itsZ(z), itsT(t)
{

}

aonPoint::~aonPoint()
{
}

void aonPoint::Draw()
{
	if(VisualsInitialized == false)
	{
		dout(ERR) << "Trying to use Draw()  when Visuals are not initialized"
		          << endl;
		return;
	}
#ifdef VISUALS
	glVertex3f(itsX*ZoomFactor, itsY*ZoomFactor, itsZ*ZoomFactor);
#endif
	return;
}

void aonPoint::Erase()
{
	dout(WARN) << "aonPoint::Erase() not implemented yet" << endl;
	return;
}


aonTrack::aonTrack()
{
}

aonTrack::~aonTrack()
{
}

void aonTrack::AddPoint(const double& x, const double& y, const double& z,
                        const double& t)
{
	// FIXME check that time is later than previous,
	aonPoint *Point = new aonPoint(x, y, z, t);
	Points.push_back(*Point);
	
	return;
}

void aonTrack::Draw()
{
	list<aonPoint>::iterator Iter;
#ifdef VISUALS
	glPushMatrix();
	// Go through all points and draw them
	glBegin(GL_LINE_STRIP);
	for(Iter = Points.begin(); Iter != Points.end(); Iter++)
	{
		Iter->Draw();
	}
	glEnd();
	glPopMatrix();
	glutSwapBuffers();
#endif
	return;
}

void aonTrack::DrawLast()
{
#ifdef VISUALS
	glPushMatrix();
	glBegin(GL_POINTS);
	aonPoint Point = Points.back();
	Point.Draw();
	glEnd();
	
	glPopMatrix();
	glFlush();
//	glutSwapBuffers();
#endif
}