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Java Script

Turmspiel
Ein Spiel für die Langeweile...
Ziel des Spiels: Du musst den Stapel der Scheiben auf einen anderen Pfahl zu bringen. Es dürfen nur kleine Scheiben auf grösseren liegen. Es kann keine grössere Scheibe auf einer kleineren liegen!

<script language="javascript" type="text/javascript">


<!-- Begin

imgdir = "https://img.webme.com/pic/w/world-of-scripte/";

function preload() {
this.length = preload.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = new Image();
this[i].src = imgdir + preload.arguments[i];
   }
}

var pics = new preload("dirfm1.gif","dirfm2.gif",
"dirfm3.gif","dirfm4.gif","dirfm5.gif","dirfm6.gif",
"dirfm7.gif","postrfm.gif", "posttoprfm.gif", "dirfm1h.gif","dirfm2h.gif",
"dirfm3h.gif","dirfm4h.gif","dirfm5h.gif","dirfm6h.gif",
"dirfm7h.gif");

var selectedr = null;
var selectedc = null;
var maxposts = 3;
var maxdisks = 7;
var all_posts = 3;
var startpost = 1;
var endpost = (startpost-1 < 0 ? maxposts-1 : startpost-1);
var disks = 7;
var imgwidth = 160;
var imgheight = 14;
var game_is_over = false;
var show_messages = false;
var board = new Array(maxposts);
board[0] = new Array(maxdisks + 1);
board[1] = new Array(maxdisks + 1);
board[2] = new Array(maxdisks + 1);

function initboard(startpost, disks) {
var len = board[0].length;
selectedc = null;
selectedr = null;
game_is_over = false;
endpost = (startpost-1 < 0 ? maxposts-1 : startpost-1);

for (i = 0; i < len; i++) {
board[0][i] = 0;
board[1][i] = 0;
board[2][i] = 0;
}
for (i = len-disks, j = 0; i < len; i++, j++) {
board[startpost][i] = len - j - 1;
   }
}

function restart(start) {
startpost = start;
disks = document.disp.disc.options[document.disp.disc.selectedIndex].text;
initboard(startpost,disks);
drawall();
theAnim = new Animation();
}
initboard(startpost, disks);

function getName( num ) {
if (num == 0) return "postrfm.gif";
return "dirfm" + num + ".gif";
}

function message(str, force) {
if (force || !game_is_over && !show_messages)
document.disp.message.value = str;
}

function messageadd(str) {
if (!game_is_over)
document.disp.message.value = document.disp.message.value + "\n" + str;
}

function isempty(num) {
for (i = 0; i < board[num].length; i++) {
if ( board[num][i] != 0) return false;
}
return true;
}

function topmost(num) {
for (i = 0; i < board[num].length; i++) {
if (board[num][i] != 0) return  i;
}
return -1; 
}

function ispost(i,j) {
return (board[j][i] == 0);
}

function istopdisk(i,j) {
return (board[j][i-1] == 0);
}

function drawboard() {
document.writeln("<h3>Die Türme von Hanoi / Turmspiel</h3><p>");
document.writeln("<table cellspacing='0' cellpadding='0' border='0'>");
document.write("<tr>");
for (j = 0; j < board.length; j++) {
document.write("<td>");
document.write("<a href='javascript:clicked("+0+","+j+")'><img src='" + imgdir + "posttoprfm.gif' border='0' alt='' /></a><br />");
for (i=0; i< board[0].length; i++) {
document.write("<a href='javascript:clicked("+i+","+j+")'>");
document.write("<img src='" + imgdir + getName(board[j][i]) + "' name='pos"+ j + i + "' border='0' alt='' /><br />");
document.write("</a>");
}
document.writeln("</td>");
}
document.write("</tr></table>");
document.write("<form name='disp'><textarea name='message' wrap='virtual' rows='2' cols='40'>

" + "Disks: "); } function draw(x,y,name) { document.images["pos"+x+""+y].src = imgdir + name; } function animate(x,y,name) { theAnim.addFrame( "pos"+x+""+y, imgdir + name); } function clicked(i,j) { document.disp.message.focus(); // get rid of annoying outline in MSIE document.disp.message.blur(); if (game_is_over) restart(startpost = endpost); if (!isselection() && ispost(i,j)) { message("Wähle eine Scheibe."); return; } if (!ispost(i,j)) { toggle(j); return; }; if (ispost(i,j) && selectedc == j) { message("Lege die Scheibe auf einen Pfahl."); return; } if (!legalmove(j)) { message("Illegaler Zug, die grössten Scheiben müssen immer unten liegen."); return; } move(j); return; } function legalmove(j) { if (isempty(j)) return true; return (board[j][topmost(j)] < board[selectedc][selectedr]); } function isselection() { return selectedc != null; } function toggle( num ) { var toppos = topmost(num); if (selectedc == num && selectedr == toppos) { selectedc = null; selectedr = null; animate(num,toppos,"dirfm" + board[num][toppos] + ".gif"); message("Wähle eine Scheibe."); return; } if (isselection()) { animate(selectedc,selectedr,"dirfm" + board[selectedc][selectedr] + ".gif"); } selectedc = num; selectedr = toppos; animate(num,toppos,"dirfm" + board[num][toppos] + "h.gif"); message("Klicke auf einen Pfahl, auf den die Scheibe gelegt werden soll."); } function move( num ) { var toppos = (!isempty(num) ? topmost(num) : board[num].length); board[num][toppos-1] = board[selectedc][selectedr]; board[selectedc][selectedr] = 0; animate(selectedc,selectedr,"postrfm.gif"); animate(num,toppos-1,"dirfm" + board[num][toppos-1] + ".gif"); selectedc = null; selectedr = null; message("Wähle eine Scheibe."); game_over(); } function hanoi(no_of_disks, start_post, goal_post) { if (no_of_disks > 0) { var free_post = all_posts - start_post - goal_post; hanoi (no_of_disks - 1, start_post, free_post); show_messages = true; toggle(start_post); move(goal_post); show_messages = false; hanoi (no_of_disks - 1 , free_post, goal_post); game_over(true); } } function game_over(forceMsg) { var filledpost = null; var val = 0; for (k = 0; k < board.length; k++) { val += ( isempty(k) ? 1 : 0 ); if (!isempty(k)) filledpost = k; } if (val == 2 && isempty(startpost)) { message("Du hast gewonnen!", forceMsg); game_is_over = true; endpost = filledpost; } return game_is_over; } // // Animation functions // function Animation() { this.imageNum = new Array(); // Array of indicies document.images to be changed this.imageSrc = new Array(); // Array of new srcs for imageNum array this.frameIndex = 0; // the frame to play next this.alreadyPlaying = false; // semaphore to ensure we play smoothly this.getFrameCount = getframecount; // the total numebr of frame so far this.moreFrames = moreframes; // tells us if there are more frames to play this.addFrame = addframe; // add a frame to the animation this.drawNextFrame = drawnextframe; // draws the next frame this.startAnimation = startanimation; // start the animation if necessary } function getframecount() { return this.imageNum.length; } function moreframes() { return this.frameIndex < this.getFrameCount(); } function startanimation() { if (!this.alreadyPlaying) { theAnim.alreadyPlaying = true; setTimeout('theAnim.drawNextFrame()',5); } } function addframe(num, src) { var theIndex = theAnim.imageNum.length; theAnim.imageSrc[theIndex] = src; theAnim.imageNum[theIndex] = num; theAnim.startAnimation(); } function drawnextframe() { if (theAnim.moreFrames()) { document.images[ theAnim.imageNum[theAnim.frameIndex] ].src = theAnim.imageSrc[theAnim.frameIndex]; theAnim.frameIndex++; setTimeout('theAnim.drawNextFrame()', 30); } else { theAnim.alreadyPlaying = false; } } drawboard(); var theAnim = new Animation(); message("Versuche den Stapel Scheiben auf einen anderen Pfahl zu legen."); document.disp.message.value = ""; // End -->

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