/*espina*/
/*Fernando Galindo Soria*/

#include <graphics.h>
#include <math.h>

void arbol(int,int,float,int);
int ind;

void main()
{ float l;
  int gd=DETECT,gm,ind1;
  initgraph(&gd,&gm,"");
  ind=1;
  arbol(310,450,35,90);
  getch();
  closegraph();
}

void arbol(int x0,int y0,float l,int an)
{
  int x1,y1;
  if (l > ind )
  { //setcolor(l);
    x1=x0-(l*cos(an/57.29578));
    y1=y0-(l*sin(an/57.29578));
    line(x0,y0,x1,y1);

    arbol(x1,y1,l/1.72,an-57);
    arbol(x1,y1,l-1.5,an);
    arbol(x1,y1,l/1.72,an+57);
  }
}