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Terrarum/lib/gdxdocs/api/com/badlogic/gdx/math/Bresenham2.html
minjaesong 687a7f901e LibGDX stuffs for issue #23
2017-06-11 18:00:48 +09:00

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<div class="subTitle">com.badlogic.gdx.math</div>
<h2 title="Class Bresenham2" class="title">Class Bresenham2</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">Bresenham2</span>
extends java.lang.Object</pre>
<div class="block">Returns a list of points at integer coordinates for a line on a 2D grid, using the Bresenham algorithm.
<p>
Instances of this class own the returned array of points and the points themselves to avoid garbage collection as much as
possible. Calling any of the methods will result in the reuse of the previously returned array and vectors, expect</div>
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<dd>badlogic</dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Bresenham2.html#Bresenham2--">Bresenham2</a></span>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Bresenham2.html#line-com.badlogic.gdx.math.GridPoint2-com.badlogic.gdx.math.GridPoint2-">line</a></span>(<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&nbsp;start,
<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&nbsp;end)</code>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
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<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Bresenham2.html#line-int-int-int-int-">line</a></span>(int&nbsp;startX,
int&nbsp;startY,
int&nbsp;endX,
int&nbsp;endY)</code>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Bresenham2.html#line-int-int-int-int-com.badlogic.gdx.utils.Pool-com.badlogic.gdx.utils.Array-">line</a></span>(int&nbsp;startX,
int&nbsp;startY,
int&nbsp;endX,
int&nbsp;endY,
<a href="../../../../com/badlogic/gdx/utils/Pool.html" title="class in com.badlogic.gdx.utils">Pool</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;pool,
<a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;output)</code>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>Bresenham2</h4>
<pre>public&nbsp;Bresenham2()</pre>
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<h4>line</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;line(<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&nbsp;start,
<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&nbsp;end)</pre>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>start</code> - the start of the line</dd>
<dd><code>end</code> - the end of the line</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of points on the line at integer coordinates</dd>
</dl>
</li>
</ul>
<a name="line-int-int-int-int-">
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<ul class="blockList">
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<h4>line</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;line(int&nbsp;startX,
int&nbsp;startY,
int&nbsp;endX,
int&nbsp;endY)</pre>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>startX</code> - the start x coordinate of the line</dd>
<dd><code>startY</code> - the start y coordinate of the line</dd>
<dd><code>endX</code> - the end x coordinate of the line</dd>
<dd><code>endY</code> - the end y coordinate of the line</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of points on the line at integer coordinates</dd>
</dl>
</li>
</ul>
<a name="line-int-int-int-int-com.badlogic.gdx.utils.Pool-com.badlogic.gdx.utils.Array-">
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<h4>line</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;line(int&nbsp;startX,
int&nbsp;startY,
int&nbsp;endX,
int&nbsp;endY,
<a href="../../../../com/badlogic/gdx/utils/Pool.html" title="class in com.badlogic.gdx.utils">Pool</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;pool,
<a href="../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</a>&lt;<a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math">GridPoint2</a>&gt;&nbsp;output)</pre>
<div class="block">Returns a list of <a href="../../../../com/badlogic/gdx/math/GridPoint2.html" title="class in com.badlogic.gdx.math"><code>GridPoint2</code></a> instances along the given line, at integer coordinates.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>startX</code> - the start x coordinate of the line</dd>
<dd><code>startY</code> - the start y coordinate of the line</dd>
<dd><code>endX</code> - the end x coordinate of the line</dd>
<dd><code>endY</code> - the end y coordinate of the line</dd>
<dd><code>pool</code> - the pool from which GridPoint2 instances are fetched</dd>
<dd><code>output</code> - the output array, will be cleared in this method</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of points on the line at integer coordinates</dd>
</dl>
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