以下是引用cdmalcl在2007-4-26 1:06:53的发言：

#include

#include

#include

#define PI 3.14

int main()

{

float i ,j ,x ,y;

int MAXX2 ,MAXY2;

int gd = DETECT,gm = 0;

initgraph(&gd,&gm,"");

MAXX2 = getmaxx()/2;

MAXY2 = getmaxy()/2;

for(i = -6*PI;i < 6*PI;i +=0.02)

for(j = -3*PI;j < 3*PI;j += 0.02)

{

y = sin(i-j*2)*i*3+j*5;

x = cos(i*2+y)*j+2*y;

putpixel(y*i/5+MAXX2 ,MAXY2*1.5-x*j/5 ,((int)abs(i+j)*4)%15+1);

if(kbhit())

exit(0);

}

getch();

}