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September 2, 2015 02:29
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<html> | |
<head> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script> | |
</head> | |
<body> | |
<script type="text/javascript"> | |
var dataset = [177, 52, 16, 86, 93, 59, 117, 99, 115, 42, 12, 190, 75, | |
47, 20, 102, 140, 7, 62, 140, 197, 164, 136, 161, 180, 142, | |
134, 94, 11, 142]; | |
var POS_X = 10; | |
var SVG_WIDTH = 20*dataset.length; | |
var SVG_HEIGHT = 600; | |
var TRANSITION_DURATION = 2000; | |
var TRANSITION_DELAY = 2200; | |
var y_scale = d3.scale.linear().domain([0, 200]).range([0, SVG_HEIGHT - 50]); | |
var svg = d3 | |
.select("body") | |
.append("svg") | |
.attr("width", SVG_WIDTH) | |
.attr("height", SVG_HEIGHT); | |
var show_arr = function(arr) { | |
var rects_w_data = svg | |
.selectAll("rect") | |
.data(arr, function(d) { return d.key;}) | |
.enter() | |
.append("rect") | |
.attr("x", function(d) { return d.ix*20;}) | |
.attr("y", function(d){ return SVG_HEIGHT - y_scale(d.value);}) | |
.attr("width", 10) | |
.attr("height", function(d){ return y_scale(d.value);}) | |
.attr("fill", "blue"); | |
} | |
var update_arr = function(arr, delay) { | |
svg | |
.selectAll("rect") | |
.data(arr, function(d) { return d.key;}) | |
.transition() | |
.delay(delay) | |
.duration(TRANSITION_DURATION) | |
.ease("bounce") | |
.each("start", function() { d3.select(this).attr("fill", "red").attr("y", SVG_HEIGHT).attr("height", 0);}) | |
.attr("x", function(d) { return d.ix*20;}) | |
.attr("fill","blue") | |
.attr("y", function(d){ return SVG_HEIGHT - y_scale(d.value);}) | |
.attr("height", function(d){ return y_scale(d.value);}); | |
} | |
var bubble_sort = function(arr) { | |
// cria json | |
var _dataset = []; | |
for(var i=0;i<arr.length;i++) { | |
var entry = {}; | |
entry["ix"] = i; | |
entry["key"] = i; | |
entry["value"] = arr[i]; | |
_dataset.push(entry); | |
} | |
// apresenta | |
show_arr(_dataset); | |
// bubble | |
for(var i=0;i<arr.length - 1;i++) { | |
var min_value = arr[i]; | |
var ix_min_value = i; | |
for(var j=i;j<arr.length;j++) { | |
if(arr[j] < min_value) { | |
min_value = arr[j]; | |
ix_min_value = j; | |
} | |
}; | |
if(i == ix_min_value) { | |
continue; | |
} | |
var temp = arr[i]; | |
arr[i] = min_value; | |
arr[ix_min_value] = temp; | |
_switch = []; | |
var entry_i, entry_j; | |
for(var k=0;k<_dataset.length;k++) { | |
if(_dataset[k].ix == i) { | |
entry_i = _dataset[k]; | |
} | |
if(_dataset[k].ix == ix_min_value) { | |
entry_j = _dataset[k]; | |
} | |
} | |
var temp_ix = entry_i.ix; | |
entry_i.ix = entry_j.ix; | |
entry_j.ix = temp_ix; | |
_switch.push(entry_i, entry_j); | |
// atualiza a visualização | |
update_arr(_switch, i*TRANSITION_DELAY); | |
}; | |
}; | |
bubble_sort(dataset); | |
</script> | |
</body> | |
</html> |
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