bounds.html

java 3d帮助文档

equals</H3>
<PRE>
public abstract boolean <B>equals</B>(java.lang.Object&nbsp;bounds)</PRE>
<DL>
<DD>Indicates whether the specified <code>bounds</code> object is
 equal to this Bounds object.  They are equal if both the
 specified <code>bounds</code> object and this Bounds are
 instances of the same Bounds subclass and all of the data
 members of <code>bounds</code> are equal to the corresponding
 data members in this Bounds.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bounds</CODE> - the object with which the comparison is made.
<DT><B>Returns:</B><DD>true if this Bounds object is equal to <code>bounds</code>;
 otherwise false<DT><B>Since:</B><DD>Java 3D 1.2</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public abstract int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns a hash code for this Bounds object based on the
 data values in this object.  Two different Bounds objects of
 the same type with identical data values (i.e., Bounds.equals
 returns true) will return the same hash code.  Two Bounds
 objects with different data members may return the same hash code
 value, although this is not likely.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a hash code for this Bounds object.<DT><B>Since:</B><DD>Java 3D 1.2</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="intersect(javax.vecmath.Point3d, javax.vecmath.Vector3d)"><!-- --></A><H3>
intersect</H3>
<PRE>
public abstract boolean <B>intersect</B>(<A HREF="../../../javax/vecmath/Point3d.html">Point3d</A>&nbsp;origin,
                                  <A HREF="../../../javax/vecmath/Vector3d.html">Vector3d</A>&nbsp;direction)</PRE>
<DL>
<DD>Test for intersection with a ray.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>origin</CODE> - the starting point of the ray<DD><CODE>direction</CODE> - the direction of the ray
<DT><B>Returns:</B><DD>true or false indicating if an intersection occured</DL>
</DD>
</DL>
<HR>

<A NAME="intersect(javax.vecmath.Point3d)"><!-- --></A><H3>
intersect</H3>
<PRE>
public abstract boolean <B>intersect</B>(<A HREF="../../../javax/vecmath/Point3d.html">Point3d</A>&nbsp;point)</PRE>
<DL>
<DD>Test for intersection with a point.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>point</CODE> - a point defining a position in 3-space
<DT><B>Returns:</B><DD>true or false indicating if an intersection occured</DL>
</DD>
</DL>
<HR>

<A NAME="intersect(javax.media.j3d.Bounds)"><!-- --></A><H3>
intersect</H3>
<PRE>
public abstract boolean <B>intersect</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>&nbsp;boundsObject)</PRE>
<DL>
<DD>Test for intersection with another bounds object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObject</CODE> - another bounds object
<DT><B>Returns:</B><DD>true or false indicating if an intersection occurred</DL>
</DD>
</DL>
<HR>

<A NAME="intersect(javax.media.j3d.Bounds[])"><!-- --></A><H3>
intersect</H3>
<PRE>
public abstract boolean <B>intersect</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>[]&nbsp;boundsObjects)</PRE>
<DL>
<DD>Test for intersection with another bounds object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObjects</CODE> - an array of bounding objects
<DT><B>Returns:</B><DD>true or false indicating if an intersection occured</DL>
</DD>
</DL>
<HR>

<A NAME="closestIntersection(javax.media.j3d.Bounds[])"><!-- --></A><H3>
closestIntersection</H3>
<PRE>
public abstract <A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A> <B>closestIntersection</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>[]&nbsp;boundsObjects)</PRE>
<DL>
<DD>Finds closest bounding object that intersects this bounding object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObjects</CODE> - an array of  bounds objects
<DT><B>Returns:</B><DD>closest bounding object</DL>
</DD>
</DL>
<HR>

<A NAME="combine(javax.media.j3d.Bounds)"><!-- --></A><H3>
combine</H3>
<PRE>
public abstract void <B>combine</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>&nbsp;boundsObject)</PRE>
<DL>
<DD>Combines this bounding object with a bounding object so that the
 resulting bounding object encloses the original bounding object and the
 given bounds object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObject</CODE> - another bounds object</DL>
</DD>
</DL>
<HR>

<A NAME="combine(javax.media.j3d.Bounds[])"><!-- --></A><H3>
combine</H3>
<PRE>
public abstract void <B>combine</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>[]&nbsp;boundsObjects)</PRE>
<DL>
<DD>Combines this bounding object with an array of bounding objects so that the
 resulting bounding object encloses the original bounding object and the
 given array of bounds object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObjects</CODE> - an array of bounds objects</DL>
</DD>
</DL>
<HR>

<A NAME="combine(javax.vecmath.Point3d)"><!-- --></A><H3>
combine</H3>
<PRE>
public abstract void <B>combine</B>(<A HREF="../../../javax/vecmath/Point3d.html">Point3d</A>&nbsp;point)</PRE>
<DL>
<DD>Combines this bounding object with a point.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>point</CODE> - a 3d point in space</DL>
</DD>
</DL>
<HR>

<A NAME="combine(javax.vecmath.Point3d[])"><!-- --></A><H3>
combine</H3>
<PRE>
public abstract void <B>combine</B>(<A HREF="../../../javax/vecmath/Point3d.html">Point3d</A>[]&nbsp;points)</PRE>
<DL>
<DD>Combines this bounding object with an array of points.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>points</CODE> - an array of 3d points in space</DL>
</DD>
</DL>
<HR>

<A NAME="transform(javax.media.j3d.Transform3D)"><!-- --></A><H3>
transform</H3>
<PRE>
public abstract void <B>transform</B>(<A HREF="../../../javax/media/j3d/Transform3D.html">Transform3D</A>&nbsp;trans)</PRE>
<DL>
<DD>Transforms this bounding object by the given matrix.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>trans</CODE> - the transformation matrix</DL>
</DD>
</DL>
<HR>

<A NAME="transform(javax.media.j3d.Bounds, javax.media.j3d.Transform3D)"><!-- --></A><H3>
transform</H3>
<PRE>
public abstract void <B>transform</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>&nbsp;bounds,
                               <A HREF="../../../javax/media/j3d/Transform3D.html">Transform3D</A>&nbsp;trans)</PRE>
<DL>
<DD>Modifies the bounding object so that it bounds the volume
 generated by transforming the given bounding object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bounds</CODE> - the bounding object to be transformed<DD><CODE>trans</CODE> - the transformation matrix</DL>
</DD>
</DL>
<HR>

<A NAME="isEmpty()"><!-- --></A><H3>
isEmpty</H3>
<PRE>
public abstract boolean <B>isEmpty</B>()</PRE>
<DL>
<DD>Tests whether the bounds is empty.  A bounds is
 empty if it is null (either by construction or as the result of
 a null intersection) or if its volume is negative.  A bounds
 with a volume of zero is <i>not</i> empty.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if the bounds is empty; otherwise, it returns false</DL>
</DD>
</DL>
<HR>

<A NAME="set(javax.media.j3d.Bounds)"><!-- --></A><H3>
set</H3>
<PRE>
public abstract void <B>set</B>(<A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A>&nbsp;boundsObject)</PRE>
<DL>
<DD>Sets the value of this Bounds object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>boundsObject</CODE> - another bounds object.</DL>
</DD>
</DL>
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