/*pez*/
/*Fernando Galindo Soria*/

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

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

void main()
{ float l;
  int gd=DETECT,gm,ind1;
  initgraph(&gd,&gm,"");
  ind=1;
  arbol(10,300,0,180,0,50);
  getch();
  closegraph();
}

void arbol(int x0,int y0,float l,int an,int ind1,int ind2)
{
  int x1,y1;
  float l1;
  if(bioskey(2)!=0x04)
  if (ind2 > ind )
  {
    x1=x0-(l*cos(an/57.29578));
    y1=y0-(l*sin(an/57.29578));
    line(x0,y0,x1,y1);
    l1=sin(ind1/57.29578)*300;
    arbol(x1,y1,l1,an-57,ind1+1,ind2/3);
    arbol(x1,y1,ind1,an,ind1+1,ind2-1);
    arbol(x1,y1,l1,an+57,ind1+1,ind2/3);
  }
}