如何随机访问所有数组而不重复 [英] how to visit all the array randomly without repeating
本文介绍了如何随机访问所有数组而不重复的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有一个SVG，其中有1000多个多边形，每个3个看起来像一个立方体。目前，我正在按班级名称更改颜色。但是我希望每个多边形都是随机访问的，没有任何重复，将所有访问的多边形单元化。
I have a SVG with more than a 1000 polygons each 3 look like a cube. at the moment I'm changing the colour by class name. but I would like that each polygon is visited randomly without any repeating, unit all of polygons visited.
https://jsfiddle.net/MSTq/rbgmjqwd/2/
有关更好的视图，请访问jsfiddle
for better view please visit jsfiddle
/*
Created on : 11/03/2017, 7:01:53 PM
Author : MSTq
*/
$(document).ready(function(){
var polygons = $("#Layer_1").find("polygon");
/*var paths = $("#svg-layer-1 ").find("path");
var pathslength = paths.length;*/
var polygonslength = polygons.length;
var colorSeter = $("#curent-color-set").find(".color-set");
var byclass = [];
for(var f = 0 ; f < 9; f++){
byclass.push($("#Layer_1").find(".st" + f));
}
setInterval(function (){
var clor = rColorSet([rColor(),rColor()])[randomise(2,0)];
var rar = randomise(8,0);
var colrSeter = colorSeter[rar];
byclass[rar].css({"fill":clor,"stroke":clor});
$(colrSeter).css({"background-color":clor});
$("#" + $(colrSeter).attr("id") + " p").text(clor);
},500);
});
function isPositive (){
return arguments[0] > 0;
}
function vlidPositive (){
return isPositive(arguments[0]) ? arguments[0] : 0;
}
function comparer (){
return arguments[0] > arguments[1];
}
function reservation (r,t){
r = vlidPositive(arguments[0]), t = vlidPositive(arguments[1]);
return (r * t) / 100;
}
function randomise (max,min){
max = vlidPositive(arguments[0]),min = vlidPositive(arguments[1]);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function rColor (){
var hex = ["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"],
hexLength = hex.length -1,
limits = [[11,4],
[12,6],
[hexLength,8]],
color = "",
final = "#",
temp = "";
for (var j =0 ; j < 3; j++){
for (var i = 0 ; i < 2; i++){
temp += hex[randomise(limits[j][0] , limits[j][1])];
}
color += temp;
temp = "";
}
final += color;
return final;
}
function rColorSet(){
var colorset = [];
for (var i = 0; i < arguments.length; i++)
{
if (Array.isArray(arguments[i])){
colorset = arguments[i];
break;
}
}
return colorset;
}
/*
Created on : 11/03/2017, 7:01:53 PM
Author : MSTq
*/
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
margin: 0;
padding: 0;
}
html,body{
width: 100%;
height:100px;
}
svg {
width:100%;
height:auto;
display: block;
margin: auto;
background-size:auto;
margin-top: 10px;
}
#mydiv{
width:200px;
height:200px;
background-color: #FFF0F0;
}
#curent-color-set{
width: 100%;
height:40%;
margin-bottom: 10px;
}
.color-set{
position: relative;
height: 100%;
width: 7%;
margin-left: 1%;
margin-top: 5px;
background-color: #000000;
display: inline-block;
}
.color-code{
font-size: .75em;
line-height: 34px;
}
.st0{fill:#EF4136;}
.st1{fill:#F7941E;}
.st2{fill:#00A79D;}
.st3{fill:#662D91;}
.st4{fill:#EC008C;}
.st5{fill:#F9ED32;}
.st6{fill:#8B5E3C;}
.st7{fill:#C2B59B;}
.st8{fill:#009444;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!--
/*
Created on : 11/03/2017, 7:01:53 PM
Author : MSTq
*/
-->
<div id="curent-color-set">
<div id="color-0" class="color-set"><p class="color-code">#</p></div>
<div id="color-1" class="color-set"><p class="color-code">#</p></div>
<div id="color-2" class="color-set"><p class="color-code">#</p></div>
<div id="color-3" class="color-set"><p class="color-code">#</p></div>
<div id="color-4" class="color-set"><p class="color-code">#</p></div>
<div id="color-5" class="color-set"><p class="color-code">#</p></div>
<div id="color-6" class="color-set"><p class="color-code">#</p></div>
<div id="color-7" class="color-set"><p class="color-code">#</p></div>
<div id="color-8" class="color-set"><p class="color-code">#</p></div>
</div>
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推荐答案
看起来多边形具有唯一性ID？例如：XMLID_121 _
It looks like the polygons have unique ids? For example: XMLID_121_
如果是这样，也许您可以这样做：
1）将所有多边形ID放入数组
2中）随机访问数组
中的某个位置3）对该数组位置中的元素进行某些操作（访问具有该id的多边形，等等。）
4）从数组中提取访问过的数组元素
5）继续执行此操作，直到id数组中没有元素为止。
If so, maybe you could do something like this: 1) Put all of the polygon ids in an array 2) randomly visit a location in the array 3) do something with the element in that array location ("visit the polygon with that id", etc.) 4) extract the visited array element from the array 5) keep doing this until there are no elements left in the id array.
这是一个简单的JavaScript程序，可以实现以下效果： b
$ b
Here is a simple JavaScript program to that effect:
var polygonIds = [1, 2, 3, 4, 5]; //the order doesn't matter
while (polygonIds.length > 0) { //repeat until no more elements left
var position = Math.floor(Math.random() * polygonIds.length); //choose random location
var extracted = polygonIds[position]; //get that element
alert(extracted); //do whatever you want to do with the extracted element
polygonIds.splice(position, 1); //remove the element from array
}
也许有更好的方法。但这似乎是合理的，并且看起来您正在使用JavaScript。所以类似的事情可能对您有用。
Maybe there is a better way to do this. But it seems reasonable, and it looks like you are using JavaScript. So something like this might work for you.
这篇关于如何随机访问所有数组而不重复的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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