#include "gwin.user.h"
main()
{
float x, y, ydummy;
float sides;
int isides;

   USTART("high2",0.0,640.,0.0,400.);
   upset(G,"colo",0.0);
   uset(G,"fill");
   uoutln(G);
   uset(G,"nofi");
   upset(G,"colo",2.0);
   uprint(G,10.,95.,"Makes 3-D images - you will ");
   uprnt1(G,"text","need red/blue glasses to view images.");

   uprint(G,20.,90.,"Click and hold, move laterally, release, etc.");

   uuev.key = ' ';

   usetrgb(G,5.0,15.0,0.0,0.0);
   usetrgb(G,6.0,0.0,0.0,15.0);

   isides = 4;
   sides = isides;

   while(uuev.key != 'q'){

      if(ugrinc(G,&x,&y,&uuev)){UEND();exit(0);};
      upset(G,"colo",5.0);
      uplygn(G,x,y,sides,5.);

      if(ugrinc(G,&x, &ydummy, &uuev)){UEND();exit(0);};
      upset(G,"colo",6.0);
      uplygn(G,x, y+.26, sides, 5.);

      isides = ++isides % 10;
      if(isides < 3) isides = 3;
      sides = isides;
   }

   UEND();
}