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Displaying  Source Code(s)  
 

 
Orbit Program in C++.

--------------------------------------------------------------------------------

Description : This is a graphics program in which three balls move in three concentric oval orbit without ever colliding.

#define R 5
#include<iostream.h>
#include<conio.h>
#include<graphics.h>
#include<math.h>
#include<dos.h>
#include<stdlib.h>
void main()

{
void orbit(void);
int d=DETECT,m;
initgraph(&d,&m,"e:\tcc\bgi");
float xx,yy,aa=15,bb=50,x,y,X,Y,a=34,b=0,A=100,B=60,ex,sq;
setcolor(14);
// orbit();

for(float i=0;i<=720;i+=.1)
{


x=a*cos(i+10)-a*sin(i+10);
y=b*sin(i+10)+a*cos(i+10);

X=A*cos(i+20)-B*sin(i+20+90);
Y=B*sin(i+20)+B*cos(i+20+90);

xx=aa*cos(i);
yy=bb*sin(i);

setcolor(14);
setfillstyle(1,14);
circle(x+100,y+100,R);
floodfill(x+100,y+100,14);

setcolor(14);
setfillstyle(1,14);
circle(xx+100,yy+100,R);
floodfill(xx+100,yy+100,14);

setcolor(14);
setfillstyle(1,14);
circle(X+100,Y+100,R);
floodfill(X+100,Y+100,14);

putpixel(X+100,Y+100,4);
delay(100);

setcolor(0);
setfillstyle(1,0);
circle(x+100,y+100,R);
floodfill(x+100,y+100,0);

setcolor(0);
setfillstyle(1,0);
circle(xx+100,yy+100,R);
floodfill(xx+100,yy+100,0);

setcolor(0);
setfillstyle(1,0);
circle(X+100,Y+100,R);
floodfill(X+100,Y+100,0);

if(kbhit())
exit(1);
orbit();
}


getch();
}

void orbit()
{
for(float i=0;i<=60;i+=1)
{
float xx,yy,aa=15,bb=50,x,y,X,Y,a=34,b=0,A=100,B=60,ex,sq;
x=a*cos(i)-a*sin(i);
y=b*sin(i)+a*cos(i);

X=A*cos(i)-B*sin(i+90);
Y=B*sin(i)+B*cos(i+90);

xx=aa*cos(i);
yy=bb*sin(i);

putpixel(x+100,y+100,14);
putpixel(X+100,Y+100,14);
putpixel(xx+100,yy+100,14);
)

 

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