/*
  
	This file is part of "Interface Fractures III - Silicon".
	Copyright (c) 2015 Luka Prinčič, All rights reserved.
	This program is free software distributed under
	GNU General Public Licence. See COPYING for more info.
	- - - - - - - - - - - - - - - - - - - - - - - - - - - -

  drawSpectrum.pde - draw spectral lines
  
*/



void drawSpectrum(boolean render,
                  ArrayList<FloatList> siLinesData,
                  int threshold,
                  float afactor,
                  float line_height)
{
  if (render) {
    //float afactor = float(afactor);
    afactor = map(pow(afactor, 5), 0, pow(127, 5), 0, 50 );
    line_height = map(line_height, 0, 127, 0, height/2);

    for (int i = 0; i < siLinesData.size(); i++) {
      if (siLinesData.get(i).get(1) > threshold) {
        float wavelength = siLinesData.get(i).get(0);
        float intensity = siLinesData.get(i).get(1);
        float red = siLinesData.get(i).get(2);
        float green = siLinesData.get(i).get(3);
        float blue = siLinesData.get(i).get(4);
        float alpha = map(intensity, 0, 1000, 0, 255) * afactor;
        color line_c = color(red, green, blue, alpha);

        stroke(line_c);
        line(map(wavelength, 3950, 6741, 1, width), height/2 - line_height,
             map(wavelength, 3950, 6741, 1, width), height/2 + line_height);
      }
    }

  }
}