// http://www.programmingsimplified.com/c/program/graphics
// http://www.programmingsimplified.com/c/program/smiling-face-animation
// bgi smilingFaceAnimation.cpp

#include<graphics.h>
#include<conio.h>
#include<stdlib.h>
 
main()
{
   int area, temp1, temp2, left = 25, top = 75;
   void *p;
 
   initwindow(640, 480, "Smiling Face");
 
   setcolor(YELLOW);
   circle(50,100,25);
   setfillstyle(SOLID_FILL,YELLOW);
   floodfill(50,100,YELLOW);
 
   setcolor(BLACK);
   setfillstyle(SOLID_FILL,BLACK);
   fillellipse(44,85,2,6);
   fillellipse(56,85,2,6);
 
   ellipse(50,100,205,335,20,9);
   ellipse(50,100,205,335,20,10);
   ellipse(50,100,205,335,20,11);
 
   area = imagesize(left, top, left + 50, top + 50);
   p = malloc(area);
 
   setcolor(WHITE);
   settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
   outtextxy(180,451,"Smiling Face Animation");
 
   setcolor(BLUE);
   rectangle(0,0,639,449);
 
   while(!kbhit())
   {
      temp1 = 1+rand()%588;
      temp2 = 1+rand()%380;
 
      getimage(left, top, left + 50, top + 50, p);
      putimage(left, top, p, XOR_PUT);
      putimage(temp1 , temp2, p, XOR_PUT);
      delay(100);
      left = temp1;
      top = temp2;
   }
 
   getch();
   closegraph();
   return 0;
}