Description: This program creates a graphic in which one circle (small) is rolling on the surface of other circle(large).
Primary Inputs: —–
Primary Output: small circle rolling on the circumference of large circle
Platform Used: Turbo C++ version 3.0, Borland International Inc.
#include
#include
#include
#include
#define ROUND(a) (int)(a+0.5)
void main()
{
int i,ang;
float xr,yr;
int gd=DETECT,gm,errorcode;
clrscr();
initgraph(&gd, &gm, "c:\\tc\\bgi");
errorcode = graphresult();
if(errorcode != grOk)
{
printf("Graphics Error : %s\n",grapherrormsg(errorcode));
printf("Press any key to continue......");
getch();
exit(1);
}
while(!kbhit())
{
for(i=0;i<=360;i++)
{
circle(250,250,100);
xr=375;
yr=250;
xr=250+130*sin(i*3.14/180);
yr=250-130*cos(i*3.14/180);
//ROUND(xr);
//ROUND(yr );
circle(xr,yr,30);
delay(10);
clearviewport();
}
}
getch();
}