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#include "stdafx.h"
#include <glut.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#define pi 3.14159265
int n=0;
int R=200,CX=250,CY=250;
int *point;
void initGraph(void);
void drawCircle(int cx, int cy, int r);
void display(void);
void drawLine(int x1, int y1, int x2, int y2);
void main(int argc, char **argv){
float w,wi;
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB) ;
glutInitWindowSize(500,500);
glutCreateWindow("n½××êʯͼ°¸");
initGraph();
printf("ÇëÊäÈë×êʯͼ°¸ÐÐÊý(×îСֵΪ3):");
scanf("%u",&n);
if(n>2){
point=(int*)malloc(sizeof(int)*n*2);//ÉêÇë´æ´¢¿Õ¼ä
w=2*pi/n;
wi=w/2;
for(int i=0;i<2*n;i+=2){
point[i]=(int)(CX+R*cos(wi));
point[i+1]=(int)(CY+R*sin(wi));
wi+=w;
}
}
glutDisplayFunc(display);
glutMainLoop();
if(point
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