6週目-プロジェクト4-三角形クラス

2663 ワード

/*      
*                   
* Copyright (c)2013,                  
* All rightsreserved.      
*     : object.cpp      
.*   :        
*     : 2013   4    10        
*    : v1.0      
*     :       
*     :         。      
*     :    ,  ,          ,     。      
*/            
#include <iostream>
#include<Cmath>
using namespace std;
class CPoint
{private:
  double x;  //    
  double y;  //    
public:
  CPoint(double xx=0,double yy=0);
  void input();
  double Distance(CPoint p) const;   //        (      ,      p)
  void output(); // (x,y)        
};
CPoint::CPoint(double xx,double yy)
{
	x=xx;
	y=yy;
}
void CPoint::input()
{
	char c;
	cin>>x>>c>>y;
	if(c!=',')
	{
		cout<<"    ,     ";
		exit(0);
	}
	
}
double CPoint::Distance(CPoint p) const         //        (      ,      p)
{
	double s;
	s=sqrt((p.x-x)*(p.x-x)+(p.y-y)*(p.y-y));
	return s;
}
class CTriangle
{
public:
  CTriangle(CPoint &X,CPoint &Y,CPoint &Z):A(X),B(Y),C(Z){} //         
  void setTriangle(CPoint &X,CPoint &Y,CPoint &Z);//
  float perimeter(void);//        
  float area(void);//           
  bool isRightTriangle(); //        
  bool isIsoscelesTriangle(); //        
private:
  CPoint A,B,C; //   
};
void CTriangle::setTriangle(CPoint &X,CPoint &Y,CPoint &Z)//
{
	A=X;
	B=Y;
	C=Z;
}
float CTriangle::perimeter(void)//        
{
	float a,b,c,l;
	a=A.Distance(B);
	b=B.Distance(C);
	c=C.Distance(A);
	l=a+b+c;
	return l;
}
float CTriangle::area(void)//           
{
	float a,b,c,p,s;
	a=A.Distance(B);
	b=B.Distance(C);
	c=C.Distance(A);
	p=(a+b+c)/2;
	s=sqrt(p*(p-a)*(p-b)*(p-c));  
    return s;  
	
}
bool CTriangle::isRightTriangle()//        
{
	double a,b,c;
	a=A.Distance(B);
	b=B.Distance(C);
	c=C.Distance(A);
	bool prime=false;
	if((a*a+b*b==c*c)||(a*a+c*c==b*b)||(b*b+c*c==a*a))
	{
		prime=true;
	}
	return prime;

}
bool  CTriangle::isIsoscelesTriangle() //        
{
	double a,b,c;
	a=A.Distance(B);
	b=B.Distance(C);
	c=C.Distance(A);
	bool prime=false;
	if(a==b||a==c||b==c)
	{
		prime=true;
	}
	return prime;
}
int main()
{
	CPoint x,y,z;
	x.input();
	y.input();
	z.input();
	CTriangle tri(x,y,z);  //      
	cout<<"         :"<<tri.perimeter()<<",   :"<<tri.area()<<endl;  
    cout<<"     "<<(tri.isRightTriangle()?" ":"  ")<<"     "<<endl;  
    cout<<"     "<<(tri.isIsoscelesTriangle()?" ":"  ")<<"     "<<endl;  
	return 0;  

}

結果:
感じ:2つのクラスを定義して、構造関数をコピーします!!!