1 #include <iostream>
2 #include <stdlib.h>
3 #include <Eigen/Dense>
4 #include <math.h>
5 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
6 using namespace std;
7 using namespace Eigen;
8
9 void find(char *strr,Vector2d &pt)
10 {
11 int i=1,j=0;
12 char s1[5],s2[5];
13 for(;i<10&&strr[i]!=',';i++)
14 {
15 s1[j]=strr[i];
16 pt[0]=atof(s1);j++;
17 }
18 i++;
19 for(j=0;i<20&&strr[i]!=')';i++)
20 {
21 s2[j]=strr[i];
22 pt[1]=atof(s2);j++;
23 }
24 }
25 void tt(int n1,Vector2d &pt1,Vector2d &pt2,Vector2d &pt3)
26 {
27 char str1[20],str2[20],str3[20];
28 switch(n1){
29 case 3: {
30 cin>>str3;
31 find(str3,pt3);
32 }
33 case 2: {
34 cin>>str2;
35 find(str2,pt2);
36 }
37 case 1: {
38 cin>>str1;
39 find(str1,pt1);
40 break;
41 }
42 default:cout<<"输入错误"<<endl;
43 }
44
45 }
46
47
48 int main(int argc, char** argv) {
49 char name[60],trans[20],name1[60],str[20],s[20];
50 int n;
51 double deg;
52 Vector2d move,v1,v2,v3;
53 MatrixXd rot(2,2);
54
55 cout<<"请输入 ";
56 cin>>name;
57 cin>>n;
58 tt(n,v1,v2,v3);
59 cout<<"请输入操作指令"<<endl;
60 cin>>trans;
61 cin>>name1;
62 if(trans[0]=='m'&&trans[1]=='o'&&trans[2]=='v'&&trans[3]=='e'&&trans[4]==0)
63 {
64 cin>>str;
65 s[0]=str[1];
66 move[0]=atof(s);
67 s[0]=str[3];
68 move[1]=atof(s);
69 switch(n)
70 {
71 case 3:v1+=move;cout<<"("<<v1<<")"<<endl;
72 case 2:v1+=move;cout<<"("<<v1<<")"<<endl;
73 case 1:v1+=move;cout<<"("<<v1<<")"<<endl;break;
74 default: cout<<"输入出错"<<endl;
75
76 }
77 }
78 else if(trans[0]=='r'&&trans[1]=='o'&&trans[2]=='t'&&trans[3]=='a'&&trans[4]=='t'&&trans[5]=='e'&&trans[6]==0)
79 {
80 cin>>deg;
81 deg=deg*3.14/180;
82 rot(0,0)=cos(deg);
83 rot(0,1)=-sin(deg);
84 rot(1,0)=sin(deg);
85 rot(1,1)=cos(deg);
86
87 switch(n)
88 {
89 case 3:v3=v3.transpose()*rot;cout<<"("<<v3<<")"<<endl;
90 case 2:v2=v2.transpose()*rot;cout<<"("<<v2<<")"<<endl;
91 case 1:v1=v1.transpose()*rot;cout<<"("<<v1<<")"<<endl;break;
92 default: cout<<"输入出错"<<endl;
93 }
94 }
95 return 0;
96 }
输入点
输入线段两端点
输入三角形三个顶点
