#define PI 3.1415926
void main() { double x,y,tint yy,i,b
for ( x=0x<=360x+=BL ) {
t=PI*x/180//转换为弧度制取值
y=sin(t)
yy=y*20+36//y轴原点位于36字符处
for ( i=0i<72i++ ) {
b=0
if ( i==yy ) { printf("*")b=1}
if ( i==35 &&b==0 ) { printf("|")b=1}
if ( b==0 ) printf(" ")
}
printf("\n")
}
}
我画了半个正弦函数,其余的你可以照着画,欢迎讨论,#include "stdio.h"
#include "conio.h"
#include "math.h"
#include "graphics.h"
void main()
{
int driver,mode,i
driver=DETECT
mode=0
initgraph(&driver,&mode,"")
setcolor(15)
for(i=0i<360i++)
line(i,200*sin(i*3.14/360),i+1,200*sin((i+1)*3.14/360))
getch()
restorecrtmode()
}