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Terrarum/lib/gdxdocs/api/com/badlogic/gdx/graphics/VertexAttribute.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.graphics</div>
<h2 title="Class VertexAttribute" class="title">Class VertexAttribute</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>com.badlogic.gdx.graphics.VertexAttribute</li>
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<pre>public final class <span class="typeNameLabel">VertexAttribute</span>
extends java.lang.Object</pre>
<div class="block">A single vertex attribute defined by its <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, its number of components and its shader alias. The Usage is used
for uniquely identifying the vertex attribute from among its <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics">VertexAttributes</a> siblings. The number of components
defines how many components the attribute has. The alias defines to which shader attribute this attribute should bind. The alias
is used by a <a href="../../../../com/badlogic/gdx/graphics/Mesh.html" title="class in com.badlogic.gdx.graphics"><code>Mesh</code></a> when drawing with a <a href="../../../../com/badlogic/gdx/graphics/glutils/ShaderProgram.html" title="class in com.badlogic.gdx.graphics.glutils"><code>ShaderProgram</code></a>. The alias can be changed at any time.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>mzechner</dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#alias">alias</a></span></code>
<div class="block">the alias for the attribute used in a <a href="../../../../com/badlogic/gdx/graphics/glutils/ShaderProgram.html" title="class in com.badlogic.gdx.graphics.glutils"><code>ShaderProgram</code></a></div>
</td>
</tr>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#normalized">normalized</a></span></code>
<div class="block">For fixed types, whether the values are normalized to either -1f and +1f (signed) or 0f and +1f (unsigned)</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#numComponents">numComponents</a></span></code>
<div class="block">the number of components this attribute has</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#offset">offset</a></span></code>
<div class="block">the offset of this attribute in bytes, don't change this!</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#type">type</a></span></code>
<div class="block">the OpenGL type of each component, e.g.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#unit">unit</a></span></code>
<div class="block">optional unit/index specifier, used for texture coordinates and bone weights</div>
</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#usage">usage</a></span></code>
<div class="block">The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used for identification.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#VertexAttribute-int-int-int-boolean-java.lang.String-">VertexAttribute</a></span>(int&nbsp;usage,
int&nbsp;numComponents,
int&nbsp;type,
boolean&nbsp;normalized,
java.lang.String&nbsp;alias)</code>
<div class="block">Constructs a new VertexAttribute.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#VertexAttribute-int-int-int-boolean-java.lang.String-int-">VertexAttribute</a></span>(int&nbsp;usage,
int&nbsp;numComponents,
int&nbsp;type,
boolean&nbsp;normalized,
java.lang.String&nbsp;alias,
int&nbsp;unit)</code>
<div class="block">Constructs a new VertexAttribute.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#VertexAttribute-int-int-java.lang.String-">VertexAttribute</a></span>(int&nbsp;usage,
int&nbsp;numComponents,
java.lang.String&nbsp;alias)</code>
<div class="block">Constructs a new VertexAttribute.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#VertexAttribute-int-int-java.lang.String-int-">VertexAttribute</a></span>(int&nbsp;usage,
int&nbsp;numComponents,
java.lang.String&nbsp;alias,
int&nbsp;unit)</code>
<div class="block">Constructs a new VertexAttribute.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#Binormal--">Binormal</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#BoneWeight-int-">BoneWeight</a></span>(int&nbsp;unit)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#ColorPacked--">ColorPacked</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#ColorUnpacked--">ColorUnpacked</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#copy--">copy</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#equals-java.lang.Object-">equals</a></span>(java.lang.Object&nbsp;obj)</code>
<div class="block">Tests to determine if the passed object was created with the same parameters</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#equals-com.badlogic.gdx.graphics.VertexAttribute-">equals</a></span>(<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;other)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#getKey--">getKey</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#getSizeInBytes--">getSizeInBytes</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#Normal--">Normal</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#Position--">Position</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#Tangent--">Tangent</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#TexCoords-int-">TexCoords</a></span>(int&nbsp;unit)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Field Detail</h3>
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<h4>usage</h4>
<pre>public final&nbsp;int usage</pre>
<div class="block">The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used for identification.</div>
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<a name="numComponents">
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<h4>numComponents</h4>
<pre>public final&nbsp;int numComponents</pre>
<div class="block">the number of components this attribute has</div>
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<h4>normalized</h4>
<pre>public final&nbsp;boolean normalized</pre>
<div class="block">For fixed types, whether the values are normalized to either -1f and +1f (signed) or 0f and +1f (unsigned)</div>
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<a name="type">
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<h4>type</h4>
<pre>public final&nbsp;int type</pre>
<div class="block">the OpenGL type of each component, e.g. <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_FLOAT"><code>GL20.GL_FLOAT</code></a> or <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_UNSIGNED_BYTE"><code>GL20.GL_UNSIGNED_BYTE</code></a></div>
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<h4>offset</h4>
<pre>public&nbsp;int offset</pre>
<div class="block">the offset of this attribute in bytes, don't change this!</div>
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<a name="alias">
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<h4>alias</h4>
<pre>public&nbsp;java.lang.String alias</pre>
<div class="block">the alias for the attribute used in a <a href="../../../../com/badlogic/gdx/graphics/glutils/ShaderProgram.html" title="class in com.badlogic.gdx.graphics.glutils"><code>ShaderProgram</code></a></div>
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<h4>unit</h4>
<pre>public&nbsp;int unit</pre>
<div class="block">optional unit/index specifier, used for texture coordinates and bone weights</div>
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<h4>VertexAttribute</h4>
<pre>public&nbsp;VertexAttribute(int&nbsp;usage,
int&nbsp;numComponents,
java.lang.String&nbsp;alias)</pre>
<div class="block">Constructs a new VertexAttribute. The GL data type is automatically selected based on the usage.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>usage</code> - The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used to select the <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#type"><code>type</code></a> and for identification.</dd>
<dd><code>numComponents</code> - the number of components of this attribute, must be between 1 and 4.</dd>
<dd><code>alias</code> - the alias used in a shader for this attribute. Can be changed after construction.</dd>
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<h4>VertexAttribute</h4>
<pre>public&nbsp;VertexAttribute(int&nbsp;usage,
int&nbsp;numComponents,
java.lang.String&nbsp;alias,
int&nbsp;unit)</pre>
<div class="block">Constructs a new VertexAttribute. The GL data type is automatically selected based on the usage.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>usage</code> - The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used to select the <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#type"><code>type</code></a> and for identification.</dd>
<dd><code>numComponents</code> - the number of components of this attribute, must be between 1 and 4.</dd>
<dd><code>alias</code> - the alias used in a shader for this attribute. Can be changed after construction.</dd>
<dd><code>unit</code> - Optional unit/index specifier, used for texture coordinates and bone weights</dd>
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<h4>VertexAttribute</h4>
<pre>public&nbsp;VertexAttribute(int&nbsp;usage,
int&nbsp;numComponents,
int&nbsp;type,
boolean&nbsp;normalized,
java.lang.String&nbsp;alias)</pre>
<div class="block">Constructs a new VertexAttribute.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>usage</code> - The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used for identification.</dd>
<dd><code>numComponents</code> - the number of components of this attribute, must be between 1 and 4.</dd>
<dd><code>type</code> - the OpenGL type of each component, e.g. <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_FLOAT"><code>GL20.GL_FLOAT</code></a> or <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_UNSIGNED_BYTE"><code>GL20.GL_UNSIGNED_BYTE</code></a>. Since <a href="../../../../com/badlogic/gdx/graphics/Mesh.html" title="class in com.badlogic.gdx.graphics"><code>Mesh</code></a>
stores vertex data in 32bit floats, the total size of this attribute (type size times number of components) must be a
multiple of four.</dd>
<dd><code>normalized</code> - For fixed types, whether the values are normalized to either -1f and +1f (signed) or 0f and +1f (unsigned)</dd>
<dd><code>alias</code> - The alias used in a shader for this attribute. Can be changed after construction.</dd>
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<h4>VertexAttribute</h4>
<pre>public&nbsp;VertexAttribute(int&nbsp;usage,
int&nbsp;numComponents,
int&nbsp;type,
boolean&nbsp;normalized,
java.lang.String&nbsp;alias,
int&nbsp;unit)</pre>
<div class="block">Constructs a new VertexAttribute.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>usage</code> - The attribute <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.Usage.html" title="class in com.badlogic.gdx.graphics"><code>VertexAttributes.Usage</code></a>, used for identification.</dd>
<dd><code>numComponents</code> - the number of components of this attribute, must be between 1 and 4.</dd>
<dd><code>type</code> - the OpenGL type of each component, e.g. <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_FLOAT"><code>GL20.GL_FLOAT</code></a> or <a href="../../../../com/badlogic/gdx/graphics/GL20.html#GL_UNSIGNED_BYTE"><code>GL20.GL_UNSIGNED_BYTE</code></a>. Since <a href="../../../../com/badlogic/gdx/graphics/Mesh.html" title="class in com.badlogic.gdx.graphics"><code>Mesh</code></a>
stores vertex data in 32bit floats, the total size of this attribute (type size times number of components) must be a
multiple of four bytes.</dd>
<dd><code>normalized</code> - For fixed types, whether the values are normalized to either -1f and +1f (signed) or 0f and +1f (unsigned)</dd>
<dd><code>alias</code> - The alias used in a shader for this attribute. Can be changed after construction.</dd>
<dd><code>unit</code> - Optional unit/index specifier, used for texture coordinates and bone weights</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;copy()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A copy of this VertexAttribute with the same parameters. The <a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html#offset"><code>offset</code></a> is not copied and must
be recalculated, as is typically done by the <a href="../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics">VertexAttributes</a> that owns the VertexAttribute.</dd>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;Position()</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;TexCoords(int&nbsp;unit)</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;Normal()</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;ColorPacked()</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;ColorUnpacked()</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;Tangent()</pre>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;Binormal()</pre>
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<h4>BoneWeight</h4>
<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;BoneWeight(int&nbsp;unit)</pre>
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(java.lang.Object&nbsp;obj)</pre>
<div class="block">Tests to determine if the passed object was created with the same parameters</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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<pre>public&nbsp;boolean&nbsp;equals(<a href="../../../../com/badlogic/gdx/graphics/VertexAttribute.html" title="class in com.badlogic.gdx.graphics">VertexAttribute</a>&nbsp;other)</pre>
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<h4>getKey</h4>
<pre>public&nbsp;int&nbsp;getKey()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A unique number specifying the usage index (3 MSB) and unit (1 LSB).</dd>
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<h4>getSizeInBytes</h4>
<pre>public&nbsp;int&nbsp;getSizeInBytes()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>How many bytes this attribute uses.</dd>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
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<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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