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POjQuery grid traversal methods
 

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  1. POjQuery grid traversal methods
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    <p>I'm making a grid-based game where I want the user to be able to click on each selectable block in the grid to make the adjacent(horizontal,vertical,diagonal) blocks selectable and that block a selected block.All selected blocks should stay selected.I'm using two different classes called selectable and selected to tell the difference.Only the adjacent blocks of the current selected block should be selectable.Right now I want all selectable elements that are not adjacent to the current(last) selected element to return to their default state.Something like this(dark blue is selected and light blue is selectable):</p> <p><img src="https://i.stack.imgur.com/GDDjJ.jpg" alt="enter image description here"></p> <p>I used some jQuery traversal methods but I'm stuck at a point and I can't figure out any efficient code.Please help!</p> <p>Fiddle: <a href="http://jsfiddle.net/3DHMd/2/" rel="nofollow noreferrer">http://jsfiddle.net/3DHMd/2/</a></p> <p>HTML:</p> <pre><code> &lt;div class="outer"&gt; &lt;div class="inner"&gt; &lt;div class="grid"&gt; &lt;div class="column" id="column1"&gt; &lt;div id="1" class="block"&gt;&lt;/div&gt; &lt;div id="6" class="block"&gt;&lt;/div&gt; &lt;div id="11" class="block"&gt;&lt;/div&gt; &lt;div id="16" class="block"&gt;&lt;/div&gt; &lt;div id="21" class="block"&gt;&lt;/div&gt; &lt;div id="26" class="block"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class="column" id="column2"&gt; &lt;div id="2" class="block"&gt;&lt;/div&gt; &lt;div id="7" class="block"&gt;&lt;/div&gt; &lt;div id="12" class="block"&gt;&lt;/div&gt; &lt;div id="17" class="block"&gt;&lt;/div&gt; &lt;div id="22" class="block"&gt;&lt;/div&gt; &lt;div id="27" class="block"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class="column" id="column3"&gt; &lt;div id="3" class="block"&gt;&lt;/div&gt; &lt;div id="8" class="block"&gt;&lt;/div&gt; &lt;div id="13" class="block"&gt;&lt;/div&gt; &lt;div id="18" class="block"&gt;&lt;/div&gt; &lt;div id="23" class="block"&gt;&lt;/div&gt; &lt;div id="28" class="block"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class="column" id="column4"&gt; &lt;div id="4" class="block"&gt;&lt;/div&gt; &lt;div id="9" class="block"&gt;&lt;/div&gt; &lt;div id="14" class="block"&gt;&lt;/div&gt; &lt;div id="19" class="block"&gt;&lt;/div&gt; &lt;div id="24" class="block"&gt;&lt;/div&gt; &lt;div id="29" class="block"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class="column" id="column5"&gt; &lt;div id="5" class="block"&gt;&lt;/div&gt; &lt;div id="10" class="block"&gt;&lt;/div&gt; &lt;div id="15" class="block"&gt;&lt;/div&gt; &lt;div id="20" class="block"&gt;&lt;/div&gt; &lt;div id="25" class="block"&gt;&lt;/div&gt; &lt;div id="30" class="block"&gt;&lt;/div&gt; &lt;/div&gt; &lt;/div&gt; </code></pre> <p>CSS:</p> <pre><code> html,body{ width:100%; height:100%; margin:0 auto; cursor:default; } .outer { position: relative; display:table; width:100%; height:85.25%; background-color:#959595; } .inner { display:table-cell; text-align:center; width:100%; height:85.25%; } .grid{ margin-top: 2%; margin-right: auto; margin-left: auto; border:0.7em solid #778086; width:93%; height:90%; background-color: #B3B1B1; clear:both; } .column{ width:20%; height:100%; float: left; } .block { width:100%; height:16.15%; border: 0.1em solid #778086; text-align: center; font-size: 1.3em; font-family: 'Roboto', sans-serif; line-height: 2.8em; } .selected { background-color:#2976A2; color:#FFFFFF; } .selectable { cursor: pointer; cursor: hand; background-color:#8DBFC4; color:#FFFFFF; } </code></pre> <p>JS:</p> <pre><code> $('#1').addClass('selected'); $('#2,#6,#7').addClass('selectable'); $(document).on('click','.selectable',function() { $(this).toggleClass('selected').toggleClass('selectable'); var ind=$(this).index(); $(this).prev().toggleClass('selectable'); $(this).next().toggleClass('selectable'); if (ind!=0) { $(this).parent().prev().children().eq(ind-1).toggleClass('selectable'); $(this).parent().next().children().eq(ind-1).toggleClass('selectable'); } $(this).parent().prev().children().eq(ind).toggleClass('selectable'); $(this).parent().next().children().eq(ind).toggleClass('selectable'); $(this).parent().prev().children().eq(ind+1).toggleClass('selectable'); $(this).parent().next().children().eq(ind+1).toggleClass('selectable'); $(this).parents().children('.selected.selectable').removeClass('selectable'); $(this).parents().siblings().children('.selected.selectable').removeClass('selectable'); }); </code></pre>
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    1. COis the game logic complete
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    2. COYeah well it's like only the adjacent blocks to each selected block at a given moment are selectable blocks.The selected blocks remain selected blocks.
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    3. COI just did this. http://jsfiddle.net/3DHMd/2/ But what I want to do is make all the other blocks which were selectable but now are not adjacent to the selected block,non-selectable again.
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