/**
 * CS798 Project - layer.hpp
 * April 21, 2006
 *
 * Erika Harrison
 */

#ifndef CS798_LAYER_HPP
#define CS798_LAYER_HPP

#include "algebra.hpp"
#include "const.hpp"

using namespace std;

// stores a layer object
class Layer {
public:
  Layer(); // constructor -- pass in params
  ~Layer(); // deconstructor

  // param settings
  void setA(double A) { m_A = A; } void setB(double B) { m_B = B; }
  void setC(double C) { m_C = C; } void setD(double D) { m_D = D; }
  void setE(double E) { m_E = E; } void setF(double F) { m_F = F; }
  void setG(double G) { m_G = G; } void setH(double H) { m_H = H; }
  void sett(double t) { m_t = t; } void settInc(double tI) { if (tI != 0) m_tInc = tI; }
  void setColour(Colour c) { m_colour = c; } 
  void setWidth(int w) { if (w > 0) { m_width = w; } else { m_width = 0; } }

  // param retrieval
  double getA() { return m_A; } double getB() { return m_B; }
  double getC() { return m_C; } double getD() { return m_D; }
  double getE() { return m_E; } double getF() { return m_F; }
  double getG() { return m_G; } double getH() { return m_H; }
  double gett() { return m_t; } double gettInc() { return m_tInc; }
  Colour getColour() { return m_colour; } int getWidth() { return m_width; }

  // rotation settings
  void rotateLayer(char axis, double angle);
  Matrix4x4 getRotate() { return m; }

private:
  // design params
  double m_A, m_B, m_C, m_D, m_E, m_F, m_G, m_H, m_t, m_tInc;

  // colouring
  Colour m_colour;

  // line width
  int m_width;

  // stores what the rotation of this layer is
  Matrix4x4 m;

};

#endif