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IndexArray (libgdx API)
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com.badlogic.gdx.graphics.glutils
 
Class IndexArray</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by ">com.badlogic.gdx.graphics.glutils.IndexArray
</PRE>
<DL>
<DT>All Implemented Interfaces: <DD><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A>, <A HREF="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable</A></DD>
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<DL>
<DT><PRE>public class IndexArray<DT>extends java.lang.Object<DT>implements <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></DL>
</PRE>


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<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#IndexArray(int)">IndexArray</A>(int maxIndices)</CODE>

 
          Creates a new IndexArray to be used with vertex arrays.</TD>
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#bind()">bind</A>()</CODE>

 
          Binds this IndexArray for rendering with glDrawElements.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#dispose()">dispose</A>()</CODE>

 
          Disposes this IndexArray and all its associated OpenGL resources.</TD>
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<CODE> java.nio.ShortBuffer</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#getBuffer()">getBuffer</A>()</CODE>

 
          
Returns the underlying ShortBuffer.</TD>
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<CODE> int</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#getNumIndices()">getNumIndices</A>()</CODE>

 
           </TD>
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<CODE> int</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#getNumMaxIndices()">getNumMaxIndices</A>()</CODE>

 
           </TD>
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#invalidate()">invalidate</A>()</CODE>

 
          Invalidates the IndexArray so a new OpenGL buffer handle is created.</TD>
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#setIndices(short[], int, int)">setIndices</A>(short[] indices,
int offset,
int count)</CODE>

 
          
Sets the indices of this IndexArray, discarding the old indices.</TD>
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#unbind()">unbind</A>()</CODE>

 
          Unbinds this IndexArray.</TD>
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<TH ALIGN="left">Methods inherited from class java.lang.Object</TH>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="IndexArray(int)"></A><H3>
IndexArray</H3>
<PRE>
public IndexArray(int maxIndices)</PRE>
<DL>
<DD>Creates a new IndexArray to be used with vertex arrays.

<DL>
<DT>Parameters:<DD><CODE>maxIndices</CODE> - the maximum number of indices this buffer can hold</DL>
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<A NAME="getNumIndices()"></A><H3>
getNumIndices</H3>
<PRE>
public int getNumIndices()</PRE>
<DL>
<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#getNumIndices()">getNumIndices</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the number of indices currently stored in this buffer</DL>
</DD>
</DL>
<HR>

<A NAME="getNumMaxIndices()"></A><H3>
getNumMaxIndices</H3>
<PRE>
public int getNumMaxIndices()</PRE>
<DL>
<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#getNumMaxIndices()">getNumMaxIndices</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the maximum number of indices this IndexArray can store.</DL>
</DD>
</DL>
<HR>

<A NAME="setIndices(short[], int, int)"></A><H3>
setIndices</H3>
<PRE>
public void setIndices(short[] indices,
int offset,
int count)</PRE>
<DL>
<DD>
Sets the indices of this IndexArray, discarding the old indices. The count must equal the number of indices to be
copied to this IndexArray.



This can be called in between calls to <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#bind()"><CODE>bind()</CODE></A> and <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#unbind()"><CODE>unbind()</CODE></A>. The index data will be updated instantly.


<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#setIndices(short[], int, int)">setIndices</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>indices</CODE> - the vertex data<DD><CODE>offset</CODE> - the offset to start copying the data from<DD><CODE>count</CODE> - the number of shorts to copy</DL>
</DD>
</DL>
<HR>

<A NAME="getBuffer()"></A><H3>
getBuffer</H3>
<PRE>
public java.nio.ShortBuffer getBuffer()</PRE>
<DL>
<DD>
Returns the underlying ShortBuffer. If you modify the buffer contents they wil be uploaded on the call to <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#bind()"><CODE>bind()</CODE></A>.
If you need immediate uploading use <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexArray.html#setIndices(short[], int, int)"><CODE>setIndices(short[], int, int)</CODE></A>.


<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#getBuffer()">getBuffer</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the underlying short buffer.</DL>
</DD>
</DL>
<HR>

<A NAME="bind()"></A><H3>
bind</H3>
<PRE>
public void bind()</PRE>
<DL>
<DD>Binds this IndexArray for rendering with glDrawElements.

<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#bind()">bind</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="unbind()"></A><H3>
unbind</H3>
<PRE>
public void unbind()</PRE>
<DL>
<DD>Unbinds this IndexArray.

<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#unbind()">unbind</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="invalidate()"></A><H3>
invalidate</H3>
<PRE>
public void invalidate()</PRE>
<DL>
<DD>Invalidates the IndexArray so a new OpenGL buffer handle is created. Use this in case of a context loss.

<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#invalidate()">invalidate</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="dispose()"></A><H3>
dispose</H3>
<PRE>
public void dispose()</PRE>
<DL>
<DD>Disposes this IndexArray and all its associated OpenGL resources.

<DD><DL>
<DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html#dispose()">dispose</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/IndexData.html" title="interface in com.badlogic.gdx.graphics.glutils">IndexData</A></CODE><DT>Specified by:<DD><CODE><A HREF="../../../../../com/badlogic/gdx/utils/Disposable.html#dispose()">dispose</A></CODE> in interface <CODE><A HREF="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable</A></CODE></DL>
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<DD><DL>
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