Created
February 19, 2016 00:18
-
-
Save jrivero/d733ab7b48a7edfa09b0 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Torres de Hanoi</title> | |
| <meta charset="utf-8"> | |
| <style> | |
| body,pre{ | |
| font-family: monospace; | |
| font-size: 15px; | |
| line-height: 1em; | |
| } | |
| pre{ | |
| font-weight: bold; | |
| margin: 0; | |
| } | |
| <?php if(!isset($_GET["mostrar"])){?> | |
| .solucion{ | |
| display: none; | |
| } | |
| <?php }?> | |
| #paso_0{ | |
| display: block; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <?php | |
| if(isset($_GET["n"])){ | |
| $N=$_GET["n"]; | |
| }else{ | |
| $N=3; | |
| } | |
| define("CHARMAX",2*$N+3); | |
| define("DISC_CHAR","#"); | |
| $paso=0; | |
| $postes=array( | |
| 1=>array(), | |
| 2=>array(), | |
| 3=>array() | |
| ); | |
| $colores=array( | |
| "red","blue","green","magenta","purple","cyan","#006699", | |
| "orange" | |
| ); | |
| for($i=1;$i<=$N;$i++){ | |
| $postes[1][]=$N-$i; | |
| } | |
| function hanoi($n,$desde,$hasta,$aux){ | |
| if($n>0){ | |
| hanoi($n-1,$desde,$aux,$hasta); | |
| mover($desde,$hasta); | |
| mostrar(); | |
| hanoi($n-1,$aux,$hasta,$desde); | |
| } | |
| } | |
| function mover($desde,$hasta){ | |
| global $postes; | |
| $elemento=array_pop($postes[$desde]); | |
| $postes[$hasta][]=$elemento; | |
| } | |
| function mostrarDisco($n){ | |
| global $colores; | |
| $espacios=(CHARMAX-(2*$n+1))/2; | |
| $color=$colores[$n%count($colores)]; | |
| $str ="<span style='color: ".$color."'>".str_repeat(" ",$espacios); | |
| $str.=str_repeat(DISC_CHAR,$n*2+1); | |
| $str.=str_repeat(" ",$espacios)."</span>"; | |
| return $str; | |
| } | |
| function mostrarPoste($poste){ | |
| global $postes; | |
| global $N; | |
| $espacios=(CHARMAX-1)/2; | |
| $columna=str_repeat(" ",$espacios); | |
| $columna.="|".str_repeat(" ",$espacios); | |
| $str=$columna."\n"; | |
| $n_discos=count($postes[$poste]); | |
| if($n_discos){ | |
| if($n_discos<$N){ | |
| $n_aux=$N-$n_discos; | |
| while($n_aux--!=0){ | |
| $str.=$columna."\n"; | |
| } | |
| } | |
| for($i=$n_discos-1;$i>=0;$i--){ | |
| $str.=mostrarDisco($postes[$poste][$i])."\n"; | |
| } | |
| }else{ | |
| for($i=0;$i<$N;$i++){ | |
| $str.=$columna."\n"; | |
| } | |
| } | |
| return $str; | |
| } | |
| function mostrar(){ | |
| global $paso; | |
| $str="<div class='solucion' id='paso_".$paso."'><a name='paso_".$paso."'>".$paso++."</a>"; | |
| $str.="<table border='0' cellpadding='0' cellspacing='0'>"; | |
| $str.="<tr>"; | |
| for($i=1;$i<=3;$i++){ | |
| $str.="<td><pre>"; | |
| $str.=mostrarPoste($i); | |
| $str.="</pre></td>"; | |
| } | |
| $str.="</tr>"; | |
| $str.="<tr><td colspan='3'><pre>".str_repeat("-",CHARMAX*3)."</pre></td></tr>"; | |
| $str.="</table></div>"; | |
| echo $str; | |
| }?> | |
| <form method="get" action="hanoi.php"> | |
| Nº de discos: <input type="text" name="n" value="<?php echo $N?>" onFocus="pausa=true"> | |
| <input type="checkbox" value="1" id="mostrar" name="mostrar" <?php if(isset($_GET["mostrar"]) && $_GET["mostrar"]){echo "checked";}?>> | |
| <label for="mostrar">Mostrar TODOS los pasos</label> | |
| <input type="submit" value="Aceptar"> | |
| </form> | |
| <?php | |
| if(isset($_GET["n"])){ | |
| mostrar(); | |
| hanoi($N,1,3,2); | |
| } | |
| ?> | |
| <?php if(!isset($_GET["mostrar"])){?> | |
| <a href="javascript:void(0)" onClick="anterior()" id="anterior">Anterior</a> | |
| <a href="javascript:void(0)" onClick="pausaf()" id="pausa_link"><span id="pausa_span">Pausa</span><span id="play_span" style="display: none">Continuar</span></a> | |
| <a href="javascript:void(0)" id="reiniciar_link" style="display: none" onClick="reiniciar()">Reiniciar</a> | |
| <a href="javascript:void(0)" onClick="siguiente()" id="siguiente">Siguiente</a> | |
| <?php }?> | |
| <script> | |
| var paso=0; | |
| var pausa=false; | |
| <?php if(!isset($_GET["mostrar"])){?> | |
| setInterval(function(){ | |
| if(paso<<?php echo pow(2,$N)-1?> && !pausa){ | |
| siguiente(); | |
| }else{ | |
| pausa=true; | |
| } | |
| if(paso==<?php echo pow(2,$N)-1?>){ | |
| document.getElementById("pausa_link").style.display="none"; | |
| document.getElementById("reiniciar_link").style.display="inline"; | |
| } | |
| },500); | |
| <?php }?> | |
| function reiniciar(){ | |
| document.getElementById("paso_"+paso).style.display="none"; | |
| paso=0; | |
| document.getElementById("paso_"+paso).style.display="block"; | |
| document.getElementById("pausa_link").style.display="inline"; | |
| document.getElementById("reiniciar_link").style.display="none"; | |
| document.getElementById("pausa_span").style.display="none"; | |
| document.getElementById("play_span").style.display="inline"; | |
| } | |
| function pausaf(){ | |
| pausa=!pausa; | |
| if(pausa){ | |
| document.getElementById("pausa_span").style.display="none"; | |
| document.getElementById("play_span").style.display="inline"; | |
| }else{ | |
| document.getElementById("pausa_span").style.display="inline"; | |
| document.getElementById("play_span").style.display="none"; | |
| } | |
| } | |
| function siguiente(){ | |
| if (paso<<?php echo pow(2,$N)-1?>){ | |
| document.getElementById("paso_"+paso).style.display="none"; | |
| paso++; | |
| document.getElementById("paso_"+paso).style.display="block"; | |
| } | |
| } | |
| function anterior(){ | |
| if(paso>0){ | |
| document.getElementById("paso_"+paso).style.display="none"; | |
| paso--; | |
| document.getElementById("paso_"+paso).style.display="block"; | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment