#ifndef SHAPE_H
#define SHAPE_H

#include "geometry.h"

inline float max(float f1, float f2) {return f1>f2 ? f1: f2;}
inline float max(float f1, float f2, float f3) {return max(max(f1,f2),f3);}


using namespace std;




class Triangle {
public:

	Triangle() {}
	Triangle(Tuple& v1, Tuple& v2, Tuple& v3);
	Triangle(Tuple& v1, Tuple& v2, Tuple& v3, Tuple col);
	Triangle(const Triangle& toCopy);
	virtual ~Triangle() {};

	Triangle& operator = (const Triangle& toCopy);
	Tuple& operator [] (int index);
	const Tuple& operator [](int index) const;
	void drawRainbow();
	void drawRandom();
	void draw();
	Triangle standardize(float forward[], float back[]) const;

	void computeNormal();

private:
	Tuple u[3]; 
	Tuple color;

};




class Edge {
public:

	Edge() {};
	Edge(Tuple v1, Tuple v2);
	Edge(const Edge& toCopy) {u[0]=toCopy.u[0], u[1]=toCopy.u[1];}
	virtual ~Edge() {};

	Edge& operator = (const Edge& toCopy);
	Tuple& operator [] (int index);
	const Tuple& operator [](int index) const;
	Edge standardize(float forward[], float back[]) const;


private:
	Tuple u[2];

};


#endif