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< a href = "PIXI.WebGLFilterManager.html" > WebGLFilterManager< / a >
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class="caret">< / b > < / a >
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< li class = "class-depth-0" >
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< a href = "global.html#TILESPRITE" > TILESPRITE< / a >
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< a href = "global.html#UP" > UP< / a >
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< li class = "class-depth-1" > < a href = "Phaser.RoundedRectangle.html" > Rounded Rectangle< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Physics.Arcade.html" > Arcade Physics< / a > < / li >
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<!-- <h1 class="page - title">Class: ArrayUtils</h1> -->
< section >
< header >
< h2 >
< span class = "ancestors" > < a href = "Phaser.html" > Phaser< / a > .< / span >
ArrayUtils
< / h2 >
< / header >
< article >
< div class = "container-overview" >
< dt >
< h4 class = "name "
id="ArrayUtils">< span class = "type-signature" > < / span > new ArrayUtils< span class = "signature" > ()< / span > < span class = "type-signature" > < / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
< p > Utility functions for dealing with Arrays.< / p >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
< a href = "src_utils_ArrayUtils.js.html" > utils/ArrayUtils.js< / a > , < a href = "src_utils_ArrayUtils.js.html#sunlight-1-line-13" > line 13< / a >
< / dt >
< / dl >
< / dd >
< / div >
< h3 class = "subsection-title" > Methods< / h3 >
< dl >
< dt >
< h4 class = "name "
id="findClosest">< span class = "type-signature" > < static> < / span > findClosest< span class = "signature" > (value, arr)< / span > < span class = "type-signature" > → {number}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
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< p > Snaps a value to the nearest value in an array.
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The result will always be in the range < code > [first_value, last_value]< / code > .< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > value< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "description last" > < p > The search value< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > arr< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< number>< / span >
< / td >
< td class = "description last" > < p > The input array which < em > must< / em > be sorted.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > number< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The nearest value found.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
< a href = "src_utils_ArrayUtils.js.html" > utils/ArrayUtils.js< / a > , < a href = "src_utils_ArrayUtils.js.html#sunlight-1-line-174" > line 174< / a >
< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="getRandomItem">< span class = "type-signature" > < static> < / span > getRandomItem< span class = "signature" > (objects, startIndex, length)< / span > < span class = "type-signature" > → {object}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
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< p > Fetch a random entry from the given array.< / p >
< p > Will return null if there are no array items that fall within the specified range
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or if there is no item for the randomly choosen index.< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > objects< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< any>< / span >
< / td >
< td class = "description last" > < p > An array of objects.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > startIndex< / code > < / td >
< td class = "type" >
< span class = "param-type" > integer< / span >
< / td >
< td class = "description last" > < p > Optional offset off the front of the array. Default value is 0, or the beginning of the array.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > length< / code > < / td >
< td class = "type" >
< span class = "param-type" > integer< / span >
< / td >
< td class = "description last" > < p > Optional restriction on the number of values you want to randomly select from.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > object< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The random object that was selected.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="removeRandomItem">< span class = "type-signature" > < static> < / span > removeRandomItem< span class = "signature" > (objects, startIndex, length)< / span > < span class = "type-signature" > → {object}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
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< p > Removes a random object from the given array and returns it.< / p >
< p > Will return null if there are no array items that fall within the specified range
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or if there is no item for the randomly choosen index.< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > objects< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< any>< / span >
< / td >
< td class = "description last" > < p > An array of objects.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > startIndex< / code > < / td >
< td class = "type" >
< span class = "param-type" > integer< / span >
< / td >
< td class = "description last" > < p > Optional offset off the front of the array. Default value is 0, or the beginning of the array.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > length< / code > < / td >
< td class = "type" >
< span class = "param-type" > integer< / span >
< / td >
< td class = "description last" > < p > Optional restriction on the number of values you want to randomly select from.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > object< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The random object that was removed.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="rotate">< span class = "type-signature" > < static> < / span > rotate< span class = "signature" > (array)< / span > < span class = "type-signature" > → {any}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
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< p > Moves the element from the start of the array to the end, shifting all items in the process.
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The " rotation" happens to the left.< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > array< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< any>< / span >
< / td >
< td class = "description last" > < p > The array to shift/rotate. The array is modified.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > any< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The shifted value.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="rotateMatrix">< span class = "type-signature" > < static> < / span > rotateMatrix< span class = "signature" > (matrix, direction)< / span > < span class = "type-signature" > → {Array.< Array.< any>>}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
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< p > Rotates the given matrix (array of arrays).< / p >
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< p > Based on the routine from < a href = "http://jsfiddle.net/MrPolywhirl/NH42z/" > http://jsfiddle.net/MrPolywhirl/NH42z/< / a > .< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > matrix< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< Array.< any>>< / span >
< / td >
< td class = "description last" > < p > The array to rotate; this matrix < em > may< / em > be altered.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > direction< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
|
< span class = "param-type" > string< / span >
< / td >
< td class = "description last" > < p > The amount to rotate: the roation in degrees (90, -90, 270, -270, 180) or a string command ('rotateLeft', 'rotateRight' or 'rotate180').< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > Array.< Array.< any>>< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The rotated matrix. The source matrix should be discarded for the returned matrix.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="shuffle">< span class = "type-signature" > < static> < / span > shuffle< span class = "signature" > (array)< / span > < span class = "type-signature" > → {Array.< any>}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
< p > A standard Fisher-Yates Array shuffle implementation which modifies the array in place.< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > array< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< any>< / span >
< / td >
< td class = "description last" > < p > The array to shuffle.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > Array.< any>< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The original array, now shuffled.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="transposeMatrix">< span class = "type-signature" > < static> < / span > transposeMatrix< span class = "signature" > (array)< / span > < span class = "type-signature" > → {Array.< Array.< any>>}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
< p > Transposes the elements of the given matrix (array of arrays).< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > array< / code > < / td >
< td class = "type" >
< span class = "param-type" > Array.< Array.< any>>< / span >
< / td >
< td class = "description last" > < p > The matrix to transpose.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > Array.< Array.< any>>< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > A new transposed matrix< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="numberArray">< span class = "type-signature" > < / span > numberArray< span class = "signature" > (start, end)< / span > < span class = "type-signature" > → {Array.< number>}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
< p > Create an array representing the inclusive range of numbers (usually integers) in < code > [start, end]< / code > .
This is equivalent to < code > numberArrayStep(start, end, 1)< / code > .< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > start< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "description last" > < p > The minimum value the array starts with.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > end< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "description last" > < p > The maximum value the array contains.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > Array.< number>< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > The array of number values.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
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< / dt >
< / dl >
< / dd >
< dt >
< h4 class = "name "
id="numberArrayStep">< span class = "type-signature" > < / span > numberArrayStep< span class = "signature" > (start, end, < span class = "optional" > step< / span > )< / span > < span class = "type-signature" > → {Array}< / span > < / h4 >
< / dt >
< dd >
< div class = "description" >
< p > Create an array of numbers (positive and/or negative) progressing from < code > start< / code >
up to but not including < code > end< / code > by advancing by < code > step< / code > .< / p >
< p > If < code > start< / code > is less than < code > stop< / code > a zero-length range is created unless a negative < code > step< / code > is specified.< / p >
< p > Certain values for < code > start< / code > and < code > end< / code > (eg. NaN/undefined/null) are currently coerced to 0;
for forward compatibility make sure to pass in actual numbers.< / p >
< / div >
< h5 > Parameters:< / h5 >
< table class = "params table table-striped" >
< thead >
< tr >
< th > Name< / th >
< th > Type< / th >
< th > Argument< / th >
< th > Default< / th >
< th class = "last" > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "name" > < code > start< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "attributes" >
< / td >
< td class = "default" >
< / td >
< td class = "description last" > < p > The start of the range.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > end< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "attributes" >
< / td >
< td class = "default" >
< / td >
< td class = "description last" > < p > The end of the range.< / p > < / td >
< / tr >
< tr >
< td class = "name" > < code > step< / code > < / td >
< td class = "type" >
< span class = "param-type" > number< / span >
< / td >
< td class = "attributes" >
< optional>< br >
< / td >
< td class = "default" >
1
< / td >
< td class = "description last" > < p > The value to increment or decrement by.< / p > < / td >
< / tr >
< / tbody >
< / table >
< h5 > Returns:< / h5 >
< div class = "returns" >
< div class = "returns-type" >
< span class = "param-type" > Array< / span >
-
< / div >
< div class = "returns-desc param-desc" >
< p > Returns the new array of numbers.< / p >
< / div >
< / div >
< dl class = "details" >
< dt class = "tag-source" > Source -
< a href = "src_utils_ArrayUtils.js.html" > utils/ArrayUtils.js< / a > , < a href = "src_utils_ArrayUtils.js.html#sunlight-1-line-236" > line 236< / a >
< / dt >
< / dl >
< h5 > Example< / h5 >
< pre class = "sunlight-highlight-javascript" > Phaser.ArrayUtils.numberArrayStep(4);
// => [0, 1, 2, 3]
Phaser.ArrayUtils.numberArrayStep(1, 5);
// => [1, 2, 3, 4]
Phaser.ArrayUtils.numberArrayStep(0, 20, 5);
// => [0, 5, 10, 15]
Phaser.ArrayUtils.numberArrayStep(0, -4, -1);
// => [0, -1, -2, -3]
Phaser.ArrayUtils.numberArrayStep(1, 4, 0);
// => [1, 1, 1]
Phaser.ArrayUtils.numberArrayStep(0);
// => []< / pre >
< / dd >
< / dl >
< / article >
< / section >
< / div >
< div class = "clearfix" > < / div >
< footer >
< span class = "copyright" >
Phaser Copyright © 2012-2015 Photon Storm Ltd.
< / span >
< br / >
< span class = "jsdoc-message" >
Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 3.3.0-alpha10< / a >
2015-07-29 14:01:04 +00:00
on Wed Jul 29 2015 14:57:52 GMT+0100 (GMT Daylight Time) using the < a href = "https://github.com/terryweiss/docstrap" > DocStrap template< / a > .
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< / span >
< / footer >
< / div >
< div class = "span3" >
< div id = "toc" > < / div >
< / div >
< br clear = "both" >
< / div >
< / div >
< script src = "scripts/sunlight.js" > < / script >
< script src = "scripts/sunlight.javascript.js" > < / script >
< script src = "scripts/sunlight-plugin.doclinks.js" > < / script >
< script src = "scripts/sunlight-plugin.linenumbers.js" > < / script >
< script src = "scripts/sunlight-plugin.menu.js" > < / script >
< script src = "scripts/jquery.min.js" > < / script >
< script src = "scripts/jquery.scrollTo.js" > < / script >
< script src = "scripts/jquery.localScroll.js" > < / script >
< script src = "scripts/bootstrap-dropdown.js" > < / script >
< script src = "scripts/toc.js" > < / script >
< script > Sunlight . highlightAll ( { lineNumbers : true , showMenu : true , enableDoclinks : true } ) ; < / script >
< script >
$( function () {
$( "#toc" ).toc( {
anchorName : function(i, heading, prefix) {
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$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
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< / body >
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