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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_06) on Wed Dec 13 16:20:07 PST 2006 --><TITLE>ShaderAttributeValue (Java 3D 1.5.0)</TITLE><META NAME="keywords" CONTENT="javax.media.j3d.ShaderAttributeValue class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ShaderAttributeValue (Java 3D 1.5.0)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/media/j3d/ShaderAttributeSet.html" title="class in javax.media.j3d"><B>PREV CLASS</B></A> <A HREF="../../../javax/media/j3d/ShaderError.html" title="class in javax.media.j3d"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/media/j3d/ShaderAttributeValue.html" target="_top"><B>FRAMES</B></A> <A HREF="ShaderAttributeValue.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_javax.media.j3d.ShaderAttributeObject">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.media.j3d</FONT><BR>Class ShaderAttributeValue</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/SceneGraphObject.html" title="class in javax.media.j3d">javax.media.j3d.SceneGraphObject</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/NodeComponent.html" title="class in javax.media.j3d">javax.media.j3d.NodeComponent</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/ShaderAttribute.html" title="class in javax.media.j3d">javax.media.j3d.ShaderAttribute</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/ShaderAttributeObject.html" title="class in javax.media.j3d">javax.media.j3d.ShaderAttributeObject</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>javax.media.j3d.ShaderAttributeValue</B></PRE><HR><DL><DT><PRE>public class <B>ShaderAttributeValue</B><DT>extends <A HREF="../../../javax/media/j3d/ShaderAttributeObject.html" title="class in javax.media.j3d">ShaderAttributeObject</A></DL></PRE><P>The ShaderAttributeValue object encapsulates a uniform shader attribute whose value is specified explicitly. The shader variable <code>attrName</code> is explicitly set to the specified <code>value</code> during rendering. <code>attrName</code> must be the name of a valid uniform attribute in the shader in which it is used. Otherwise, the attribute name will be ignored and a runtime error may be generated. The <code>value</code> must be an instance of one of the allowed classes. The allowed classes are: <code>Integer</code>, <code>Float</code>, <code>Tuple{2,3,4}{i,f}</code>, <code>Matrix{3,4}f</code>. A ClassCastException will be thrown if a specified <code>value</code> object is not one of the allowed types. Further, the type of the value is immutable once a ShaderAttributeValue is constructed. Subsequent setValue operations must be called with an object of the same type as the one that was used to construct the ShaderAttributeValue. Finally, the type of the <code>value</code> object must match the type of the corresponding <code>attrName</code> variable in the shader in which it is used. Otherwise, the shader will not be able to use the attribute and a runtime error may be generated.<P><P><DL><DT><B>Since:</B></DT> <DD>Java 3D 1.4</DD><DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/ShaderAttributeSet.html" title="class in javax.media.j3d"><CODE>ShaderAttributeSet</CODE></A>, <A HREF="../../../javax/media/j3d/ShaderProgram.html" title="class in javax.media.j3d"><CODE>ShaderProgram</CODE></A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.ShaderAttributeObject"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class javax.media.j3d.<A HREF="../../../javax/media/j3d/ShaderAttributeObject.html" title="class in javax.media.j3d">ShaderAttributeObject</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/ShaderAttributeObject.html#ALLOW_VALUE_READ">ALLOW_VALUE_READ</A>, <A HREF="../../../javax/media/j3d/ShaderAttributeObject.html#ALLOW_VALUE_WRITE">ALLOW_VALUE_WRITE</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/ShaderAttributeValue.html#ShaderAttributeValue(java.lang.String, java.lang.Object)">ShaderAttributeValue</A></B>(java.lang.String attrName, java.lang.Object value)</CODE><BR> Constructs a new ShaderAttributeValue object with the specified <code>(attrName, value)</code> pair.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/ShaderAttributeValue.html#getValue()">getValue</A></B>()</CODE><BR> Retrieves the value of this shader attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/ShaderAttributeValue.html#setValue(java.lang.Object)">setValue</A></B>(java.lang.Object value)</CODE>⌨️ 快捷键说明
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