directionallight.html

JAVA多媒体开发类库说明

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<TH ALIGN="left"><B>Methods inherited from class javax.media.j3d.<A HREF="../../../javax/media/j3d/SceneGraphObject.html" title="class in javax.media.j3d">SceneGraphObject</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../javax/media/j3d/SceneGraphObject.html#clearCapability(int)">clearCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#clearCapabilityIsFrequent(int)">clearCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#duplicateSceneGraphObject(javax.media.j3d.SceneGraphObject)">duplicateSceneGraphObject</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getCapability(int)">getCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getCapabilityIsFrequent(int)">getCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getName()">getName</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getUserData()">getUserData</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#isCompiled()">isCompiled</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#isLive()">isLive</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setCapability(int)">setCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setCapabilityIsFrequent(int)">setCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setName(java.lang.String)">setName</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setUserData(java.lang.Object)">setUserData</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#toString()">toString</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

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<A NAME="ALLOW_DIRECTION_READ"><!-- --></A><H3>
ALLOW_DIRECTION_READ</H3>
<PRE>
public static final int <B>ALLOW_DIRECTION_READ</B></PRE>
<DL>
<DD>Specifies that the Node allows access to its object's direction
 information.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.DirectionalLight.ALLOW_DIRECTION_READ">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="ALLOW_DIRECTION_WRITE"><!-- --></A><H3>
ALLOW_DIRECTION_WRITE</H3>
<PRE>
public static final int <B>ALLOW_DIRECTION_WRITE</B></PRE>
<DL>
<DD>Specifies that the Node allows writing to its object's direction
 information.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.DirectionalLight.ALLOW_DIRECTION_WRITE">Constant Field Values</A></DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="DirectionalLight()"><!-- --></A><H3>
DirectionalLight</H3>
<PRE>
public <B>DirectionalLight</B>()</PRE>
<DL>
<DD>Constructs a DirectionalLight node with default parameters.
 The default values are as follows:
 <ul>
 direction : (0,0,-1)<br>
 </ul>
<P>
</DL>
<HR>

<A NAME="DirectionalLight(javax.vecmath.Color3f, javax.vecmath.Vector3f)"><!-- --></A><H3>
DirectionalLight</H3>
<PRE>
public <B>DirectionalLight</B>(<A HREF="../../../javax/vecmath/Color3f.html" title="class in javax.vecmath">Color3f</A>&nbsp;color,
                        <A HREF="../../../javax/vecmath/Vector3f.html" title="class in javax.vecmath">Vector3f</A>&nbsp;direction)</PRE>
<DL>
<DD>Constructs and initializes a directional light.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>color</CODE> - the color of the light source<DD><CODE>direction</CODE> - the direction vector pointing from the light
 to the object</DL>
</DL>
<HR>

<A NAME="DirectionalLight(boolean, javax.vecmath.Color3f, javax.vecmath.Vector3f)"><!-- --></A><H3>
DirectionalLight</H3>
<PRE>
public <B>DirectionalLight</B>(boolean&nbsp;lightOn,
                        <A HREF="../../../javax/vecmath/Color3f.html" title="class in javax.vecmath">Color3f</A>&nbsp;color,
                        <A HREF="../../../javax/vecmath/Vector3f.html" title="class in javax.vecmath">Vector3f</A>&nbsp;direction)</PRE>
<DL>
<DD>Constructs and initializes a directional light.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>lightOn</CODE> - flag indicating whether this light is on or off<DD><CODE>color</CODE> - the color of the light source<DD><CODE>direction</CODE> - the direction vector pointing from the light
 to the object</DL>
</DL>

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<A NAME="setDirection(javax.vecmath.Vector3f)"><!-- --></A><H3>
setDirection</H3>
<PRE>
public void <B>setDirection</B>(<A HREF="../../../javax/vecmath/Vector3f.html" title="class in javax.vecmath">Vector3f</A>&nbsp;direction)</PRE>
<DL>
<DD>Set light direction.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>direction</CODE> - the new direction
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html" title="class in javax.media.j3d">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="setDirection(float, float, float)"><!-- --></A><H3>
setDirection</H3>
<PRE>
public void <B>setDirection</B>(float&nbsp;x,
                         float&nbsp;y,
                         float&nbsp;z)</PRE>
<DL>
<DD>Set light direction.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the new X direction<DD><CODE>y</CODE> - the new Y direction<DD><CODE>z</CODE> - the new Z direction
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html" title="class in javax.media.j3d">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="getDirection(javax.vecmath.Vector3f)"><!-- --></A><H3>
getDirection</H3>
<PRE>
public void <B>getDirection</B>(<A HREF="../../../javax/vecmath/Vector3f.html" title="class in javax.vecmath">Vector3f</A>&nbsp;direction)</PRE>
<DL>
<DD>Gets this Light's current direction and places it in the parameter specified.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>direction</CODE> - the vector that will receive this node's direction
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html" title="class in javax.media.j3d">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="cloneNode(boolean)"><!-- --></A><H3>
cloneNode</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A> <B>cloneNode</B>(boolean&nbsp;forceDuplicate)</PRE>
<DL>
<DD>Used to create a new instance of the node.  This routine is called
 by <code>cloneTree</code> to duplicate the current node.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/media/j3d/Node.html#cloneNode(boolean)">cloneNode</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>forceDuplicate</CODE> - when set to <code>true</code>, causes the
  <code>duplicateOnCloneTree</code> flag to be ignored.  When
  <code>false</code>, the value of each node's
  <code>duplicateOnCloneTree</code> variable determines whether
  NodeComponent data is duplicated or copied.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Node.html#cloneTree()"><CODE>Node.cloneTree()</CODE></A>, 
<A HREF="../../../javax/media/j3d/Node.html#cloneNode(boolean)"><CODE>Node.cloneNode(boolean)</CODE></A>, 
<A HREF="../../../javax/media/j3d/Node.html#duplicateNode(javax.media.j3d.Node, boolean)"><CODE>Node.duplicateNode(javax.media.j3d.Node, boolean)</CODE></A>, 
<A HREF="../../../javax/media/j3d/NodeComponent.html#setDuplicateOnCloneTree(boolean)"><CODE>NodeComponent.setDuplicateOnCloneTree(boolean)</CODE></A></DL>
</DD>
</DL>
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