#include <iostream>
#include <vector>
#include "shape.h"
//using namespace std;
//using namespace Eigen; 在shape.h中
const double PI=3.141592653;
vector<SHAPE*> sv;
vector<SHAPE*>::iterator itr;
POINT p;
LINE l;
TRIANGLE t;
void Shape_Save(void);
void Shape_Handle(void);
int main()
{
int flag;
)
{
cout << "存图形请输入0，操作图形请输入1" << endl;
cin >> flag;
switch (flag)
{
:Shape_Save();break;
:Shape_Handle(); break;
default:cout << "输入错误！" << endl; break;
}
}
;
}
void Shape_Save()
{
string name;
int num;
cout << "请输入图形名称 点数 坐标" << endl;
cin >> name;
cin >> num;
switch (num)
{
:
{
p.name=name;
p.get_cin_point();
sv.push_back(&p);
break;
}
:
{
l.name=name;
l.get_cin_line();
sv.push_back(&l);
break;
}
:
{
t.name=name;
t.get_cin_triangle();
sv.push_back(&t);
break;
}
default: {cout << "点数输入错误" << endl; break; }
}
}
void Shape_Handle(void)
{
string cmd,name1;
char a, b, c;
Vector2d vec;
double x,y,angle;
cout << "请输入操作指令" << endl;
cin >> cmd;
cin>> name1;
if (cmd == "move")
{
cin >> a >> x >> b >> y >> c;
vec[]=x;vec[]=y;
// for(int i=0;i<sv.size();i++)
// {
// if(name1 == sv[i]->name)
// {
// cout<<"i="<<i<<endl;
// sv[i]->move(vec);
// cout << sv[i]->name<<"平移后为:";
// sv[i]->display();
// }
// }
for (itr = sv.begin(); itr != sv.end(); itr++) //迭代器方式
{
if(name1== (*itr)->name)
{
(*itr)->move(vec);
cout << (*itr)->name<<"平移后为:";
(*itr)->display();
}
}
}
else if (cmd == "rotate")
{
cin >> angle;
// for(int i=0;i<sv.size();i++)
// {
// if(name1 == sv[i]->name)
// {
// sv[i]->rotate(angle);
// cout << sv[i]->name<<"旋转后为:";
// sv[i]->display();
// }
// }
for (itr = sv.begin(); itr != sv.end(); itr++) //迭代器方式
{
if(name1== (*itr)->name)
{
(*itr)->rotate(angle);
cout << (*itr)->name<<"旋转后为:";
(*itr)->display();
}
}
}
else cout << "comand is error!" << endl;
}
main.cpp
#include <Eigen/Dense>
#include <iostream>
#include <vector>
using namespace Eigen;
using namespace std;
extern const double PI;
class SHAPE
{
public:
string name;
;
// {
// cout<<1;
// return;
// };
;
// {
// cout<<1;
// return;
// }
;
// {
// cout<<1;
// return;
// }
};
class POINT:public SHAPE
{
public:
double x, y;
POINT(){
};
POINT(string nam,double xx,double yy){
name=nam;
x=xx;
y=yy;
}
POINT(const POINT &p){
name=p.name;
x=p.x;
y=p.y;
}
void copyto(POINT &p);
void get_cin_point(void);
void display();
void rotate(double &angle);
void move(Vector2d &vec);
};
class LINE:public SHAPE
{
public:
POINT p_start,p_end;
LINE(){
}
LINE(string nam,POINT s,POINT e)
{
name=nam;
s.copyto(p_start);
e.copyto(p_end);
}
void get_cin_line(void);
void display();
void rotate(double &angle);
void move(Vector2d &vec);
};
class TRIANGLE:public SHAPE
{
public:
POINT p1,p2, p3;
TRIANGLE(){
}
TRIANGLE(string nam,POINT pp1,POINT pp2,POINT pp3)
{
name=nam;
pp1.copyto(p1);
pp2.copyto(p2);
pp3.copyto(p3);
}
void get_cin_triangle(void);
void display();
void rotate(double &angle);
void move(Vector2d &vec);
};
shape.h
#include "shape.h"
/*****POINT类成员函数的实现****/
void POINT::copyto(POINT &p){
p.name=name;
p.x=x;
p.y=y;
}
void POINT::get_cin_point(void){
char a, b, c;
cin >> a >> x >> b >> y >> c ;
}
void POINT::display() {
cout << "(" << this->x << "," << this->y << ")" << endl;
}
void POINT::rotate(double &angle){ //逆时针为正
double x, y,ang;
x = this->x;
y = this->y;
ang = angle*PI/ ;
this->x = x*cos(ang) - y*sin(ang);
this->y = x*sin(ang) + y*cos(ang);
}
void POINT::move(Vector2d &vec){
];
];
}
/*****LINE类成员函数的实现****/
void LINE::get_cin_line(void){
char a, b, c;
cin >> a >>p_start.x>> b >> p_start.y >> c >> a >>p_end.x>> b >> p_end.y >> c;
}
void LINE::display(){
cout<<"起点";
p_start.display();
cout<<"终点";
p_end.display();
}
void LINE::rotate(double &angle){
p_start.rotate(angle);
p_end.rotate(angle);
}
void LINE::move(Vector2d &vec){
p_start.move(vec);
p_end.move(vec);
}
/*****TRIANGLE类成员函数的实现****/
void TRIANGLE::get_cin_triangle(void){
char a, b, c;
cin >> a >>p1.x>> b >> p1.y >> c >> a >>p2.x>> b >> p2.y >> c>> a >>p3.x>> b >> p3.y >> c;
}
void TRIANGLE::display() {
cout<<"顶点1";
p1.display();
cout<<"顶点2";
p2.display();
cout<<"顶点3";
p3.display();
}
void TRIANGLE::rotate(double &angle){
p1.rotate(angle);
p2.rotate(angle);
p3.rotate(angle);
}
void TRIANGLE::move(Vector2d &vec){
p1.move(vec);
p2.move(vec);
p3.move(vec);
}
shape.cpp
运行结果：
