GouraudShader.h

#ifndef edu_jmu_cs_GouraudShader_h
#define edu_jmu_cs_GouraudShader_h

#include "../pa8/Colorizer.h"
#include <math.h>
#include "../pa5/Vector.hpp"

using namespace std;

class GouraudShader: public Colorizer {
 private:
  double            intensities[3];

  Vector<4>         light;

  Vector<4>         viewer;


 public:
  GouraudShader(Vector<4> light, Vector<4> viewer);

  Color calculateColor(int    fromSideFirstIndex,
                       int    fromSideSecondIndex,
                       double lambda,
                       int    toSideFirstIndex,
                       int    toSideSecondIndex,
                       double rho,
                       double tau);

  virtual void  setTriangle(Triangle* triangle);
};

#endif