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VertexData (libgdx API)
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<H2>

com.badlogic.gdx.graphics.glutils
 
Interface VertexData</H2>
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<DT>All Superinterfaces: <DD><A HREF="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable</A></DD>
</DL>
<DL>
<DT>All Known Implementing Classes: <DD><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexArray.html" title="class in com.badlogic.gdx.graphics.glutils">VertexArray</A>, <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexBufferObject.html" title="class in com.badlogic.gdx.graphics.glutils">VertexBufferObject</A>, <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexBufferObjectSubData.html" title="class in com.badlogic.gdx.graphics.glutils">VertexBufferObjectSubData</A></DD>
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<DT><PRE>public interface VertexData<DT>extends <A HREF="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable</A></DL>
</PRE>


A VertexData instance holds vertices for rendering with OpenGL. It is implemented as either a <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexArray.html" title="class in com.badlogic.gdx.graphics.glutils"><CODE>VertexArray</CODE></A> or a
<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexBufferObject.html" title="class in com.badlogic.gdx.graphics.glutils"><CODE>VertexBufferObject</CODE></A>. Only the later supports OpenGL ES 2.0.



<DL>
<DT>Author:</DT>
<DD>mzechner</DD>
</DL>
<HR>





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

 
          Binds this VertexData for rendering via glDrawArrays or glDrawElements.</TD>
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#dispose()">dispose</A>()</CODE>

 
          Disposes this VertexData and all its associated OpenGL resources.</TD>
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<CODE> <A HREF="../../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics">VertexAttributes</A></CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#getAttributes()">getAttributes</A>()</CODE>

 
           </TD>
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<CODE> java.nio.FloatBuffer</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#getBuffer()">getBuffer</A>()</CODE>

 
          
Returns the underlying FloatBuffer.</TD>
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<CODE> int</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#getNumMaxVertices()">getNumMaxVertices</A>()</CODE>

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

 
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<CODE> void</CODE></TD>
<TD><CODE><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#setVertices(float[], int, int)">setVertices</A>(float[] vertices,
int offset,
int count)</CODE>

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

 
          Unbinds this VertexData.</TD>
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<A NAME="getNumVertices()"></A><H3>
getNumVertices</H3>
<PRE>
int getNumVertices()</PRE>
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<DD><DL>
</DL>
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<DD><DL>

<DT>Returns:<DD>the number of vertices this VertexData stores</DL>
</DD>
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<A NAME="getNumMaxVertices()"></A><H3>
getNumMaxVertices</H3>
<PRE>
int getNumMaxVertices()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the number of vertices this VertedData can store</DL>
</DD>
</DL>
<HR>

<A NAME="getAttributes()"></A><H3>
getAttributes</H3>
<PRE>
<A HREF="../../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics">VertexAttributes</A> getAttributes()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the <A HREF="../../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics"><CODE>VertexAttributes</CODE></A> as specified during construction.</DL>
</DD>
</DL>
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<A NAME="setVertices(float[], int, int)"></A><H3>
setVertices</H3>
<PRE>
void setVertices(float[] vertices,
int offset,
int count)</PRE>
<DL>
<DD>
Sets the vertices of this VertexData, discarding the old vertex data. The count must equal the number of floats per vertex
times the number of vertices to be copied to this VertexData. The order of the vertex attributes must be the same as
specified at construction time via <A HREF="../../../../../com/badlogic/gdx/graphics/VertexAttributes.html" title="class in com.badlogic.gdx.graphics"><CODE>VertexAttributes</CODE></A>.



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


<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>vertices</CODE> - the vertex data<DD><CODE>offset</CODE> - the offset to start copying the data from<DD><CODE>count</CODE> - the number of floats to copy</DL>
</DD>
</DL>
<HR>

<A NAME="getBuffer()"></A><H3>
getBuffer</H3>
<PRE>
java.nio.FloatBuffer getBuffer()</PRE>
<DL>
<DD>
Returns the underlying FloatBuffer. If you modify the buffer contents they will be uploaded on the next call to
<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#bind()"><CODE>bind()</CODE></A>. If you need immediate uploading use <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/VertexData.html#setVertices(float[], int, int)"><CODE>setVertices(float[], int, int)</CODE></A>;


<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the underlying FloatBuffer holding the vertex data.</DL>
</DD>
</DL>
<HR>

<A NAME="bind()"></A><H3>
bind</H3>
<PRE>
void bind()</PRE>
<DL>
<DD>Binds this VertexData for rendering via glDrawArrays or glDrawElements.

<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

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

<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

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

<DD><DL>
<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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