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Moving Blocks to Upper-right
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| <!doctype html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="style.css" type="text/css"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| </div> | |
| <script src="//code.jquery.com/jquery-2.0.3.min.js"></script> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| // Utils | |
| if (!String.prototype.format) { | |
| String.prototype.format = function() { | |
| var args = arguments; | |
| return this.replace(/{(\d+)}/g, function(match, number) { | |
| return typeof args[number] != 'undefined' | |
| ? args[number] | |
| : match | |
| ; | |
| }); | |
| }; | |
| } | |
| // Main | |
| var blotWidth = 15, | |
| blotHeight = 15, | |
| W = 25, H = 25; | |
| var ele; | |
| for (var i = 0; i < H; ++i) { | |
| for (var j = 0; j < W; ++j) { | |
| ele = '<div class="blot" id="b{0}"></div> '.format(i*W+j); | |
| $("div.container").append(ele); | |
| } | |
| } | |
| $(".blot").css('width', blotWidth+'px'); | |
| $(".blot").css('height', blotHeight+'px'); | |
| $("div.container").css('width', W*blotWidth+'px'); | |
| $("div.container").css('height', H*blotHeight+'px'); | |
| function IDString(x, y) { | |
| var i = H-y-1, j = x; | |
| return 'b'+(i*W+j); | |
| } | |
| function xyFromID(s) { | |
| var t = parseInt(s.substring(1)), | |
| j = t%W, i = (t-j)/W; | |
| var x = j, y = H-i-1; | |
| return [x, y]; | |
| } | |
| function Empty(x, y) { | |
| return !$('#'+IDString(x, y)).hasClass('blot-on'); | |
| } | |
| function Fill(x, y) { | |
| $('#'+IDString(x, y)).addClass('blot-on'); | |
| } | |
| function Unfill(x, y) { | |
| $('#'+IDString(x, y)).removeClass('blot-on'); | |
| } | |
| function DoBlot(x, y) { | |
| if (Empty(x+1, y) && Empty(x, y+1)) { | |
| Fill(x+1, y); | |
| Fill(x, y+1); | |
| Unfill(x, y); | |
| } | |
| } | |
| Fill(0, 0); | |
| $('.blot').on('click', function() { | |
| var t = xyFromID(this.id); | |
| var x = t[0], y = t[1]; | |
| console.log(t); | |
| if (!Empty(x, y)) {DoBlot(x, y);} | |
| }); |
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| /* | |
| border-box | |
| http://www.paulirish.com/2012/box-sizing-border-box-ftw/ | |
| */ | |
| html { | |
| box-sizing: border-box; | |
| } | |
| *, *:before, *:after { | |
| box-sizing: inherit; | |
| } | |
| body { | |
| background: #aaa; | |
| font: 14px 'Microsoft YaHei', 微软雅黑, Arial, Lucida Grande, Tahoma, sans-serif; | |
| color: #000; | |
| text-shadow: 0px 1px 0px #d1d1d1; | |
| } | |
| div.container { | |
| position: absolute; | |
| top: 50%; | |
| left: 50%; | |
| margin-top: -200px; | |
| margin-left: -200px; | |
| width: 250px; | |
| height: 400px; | |
| font-size: 0px; /* remove inline-block space */ | |
| } | |
| /* | |
| inline-block | |
| http://ued.taobao.org/blog/2012/08/inline-block/ | |
| */ | |
| .blot { | |
| background-color: #222; | |
| width: 10px; | |
| height: 10px; | |
| border: #aaa; | |
| border-style: solid; | |
| border-width: 1px; | |
| display: inline-block; | |
| } | |
| .blot-on { | |
| background-color: #d00 !important; | |
| } |
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