实时控制软件设计 第一次作业 Draw

#include <iostream>
#include <cstring>
#include <math.h>
#include <Eigen/Dense>
using Eigen::MatrixXd;
using namespace std;
class Point
{
    public:
    double x;
    double y;
    void Showpoint(void);
    void movexy(MatrixXd p);//平移算子
    void rotang(double ang);//旋转算子
};
void Point::Showpoint(){
    cout<<'('<<x<<','<<y<<')';
}
void Point::movexy(MatrixXd p){
    cout<<x<<','<<y<<endl;
    x+=p(,);y+=p(,);
    cout<<x<<','<<y<<endl;
}
void Point::rotang(double deg){
    cout<<x<<','<<y<<endl;
        MatrixXd rot(,);//旋转矩阵
        rot(,)=cos(deg);
        rot(,)=sin(deg);
        rot(,)=-sin(deg);
        rot(,)=cos(deg);
        x=rot(,)*x+rot(,)*y;
        y=rot(,)*x+rot(,)*y;
        cout<<x<<','<<y<<endl;
}
//点类定义完成

class Element
{
    public:
    char name[];//名称
    int n;
    Point pi[];
    void Showelement(void);
};

void Element::Showelement(){
    cout<<name;
    int i;
    for(i=;i<=n;i++)pi[i-].Showpoint();
}
//元素类定义完成 

Element Move(Element e,MatrixXd p){
    int i;
    for(i=;i<=e.n;i++)e.pi[i-].movexy(p);
    return e;
}
//元素平移
Element Rotate(Element e,double deg){
    int i;
    for(i=;i<=e.n;i++)e.pi[i-].rotang(deg);
    cout<<"旋转命令已执行"<<endl;
    return e;
}
//元素旋转 

MatrixXd Getpoint(char str[]){
    MatrixXd p(,);
    int u;
            int i,j;
            char a[];
            for(i=;i<=&&str[i]!='(';i++);
            for(j=;j<=&&str[j]!=',';j++);
            for(u=;u<=&&i!=j-;u++)
            {
                i++;
                a[u]=str[i];
            }

            p(,)=atof(a);
            for(i=j;i<=&&str[i]!=')';i++);
            for(u=;u<=&&j!=i-;u++)
            {
                j++;
                a[u]=str[j];
            }
            p(,)=atof(a);
            return p;
}
//从字符串获取点 

int main()
{
  MatrixXd p1(,),p2(,),p3(,),p4(,);
  //用于存放输入点以及位移向量
  char str1[],str2[],str3[],str4[],str5[],str6[];
  double ang;
  Point P1,P2,P3,P4; 

  Element e1;
  cout<<"请输入元素(名称、点数、点坐标):";
  cin>> e1.name;
  cin>>e1.n;
  switch(e1.n){
      case :
          cin>>str1;p1=Getpoint(str1);e1.pi[].x=p1(,), e1.pi[].y=p1(,);
          break;
    case :
        cin>>str1;p1=Getpoint(str1);e1.pi[].x=p1(,), e1.pi[].y=p1(,);
        cin>>str2;p2=Getpoint(str2);e1.pi[].x=p2(,), e1.pi[].y=p2(,);
          break;
      case :
          cin>>str1;p1=Getpoint(str1);e1.pi[].x=p1(,), e1.pi[].y=p1(,);
          cin>>str2;p2=Getpoint(str2);e1.pi[].x=p2(,), e1.pi[].y=p2(,);
          cin>>str3;p3=Getpoint(str3);e1.pi[].x=p3(,), e1.pi[].y=p3(,);
          break;
      default:cout<<"输入错误";
  }
//根据点数获取内容并构造Element对象 

cout<<"请对当前输入元素输入操作命令：";
cin>>str4;cin>>str5;cin>>str6;
if(str4[]=='m'&&str4[]=='o'&&str4[]=='v'&&str4[]=='e'){
    cout<<"命令为move"<<endl;
    p4=Getpoint(str6);
    Element e2;e2=Move(e1,p4);
    e2.Showelement();
    cout<<endl;
}
if(str4[]=='r'&&str4[]=='o'&&str4[]=='t'&&str4[]=='a'&&str4[]=='t'&&str4[]=='e'&&str4[]==){
    ang=atof(str6)*3.1415926/;
    cout<<"命令为rotate"<<endl;
    Element e2;e2=Rotate(e1,ang);
    e2.Showelement();
    cout<<endl;
}

}