1. 题目
题目:画图,学用line画直线。
2. 代码示例
代码语言:javascript复制#include "graphics.h"
main()
{
int driver,mode,i;
float x0,y0,y1,x1;
float j=12,k;
driver=VGA;mode=VGAHI;
initgraph(&driver,&mode,"");
setbkcolor(GREEN);
x0=263;y0=263;y1=275;x1=275;
for(i=0;i<=18;i )
{
setcolor(5);
line(x0,y0,x0,y1);
x0=x0-5;
y0=y0-5;
x1=x1 5;
y1=y1 5;
j=j 10;
}
x0=263;y1=275;y0=263;
for(i=0;i<=20;i )
{
setcolor(5);
line(x0,y0,x0,y1);
x0=x0 5;
y0=y0 5;
y1=y1-5;
}
}