📄 boundingpolytope.html
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<BR> Test for intersection with a ray.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/BoundingPolytope.html#isEmpty()">isEmpty</A></B>()</CODE><BR> Tests whether the bounding polytope is empty.</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/BoundingPolytope.html#set(javax.media.j3d.Bounds)">set</A></B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A> boundsObject)</CODE><BR> Sets the planes for this BoundingPolytope by keeping its current number and position of planes and computing new planes positions to enclose the given bounds object.</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/BoundingPolytope.html#setPlanes(javax.vecmath.Vector4d[])">setPlanes</A></B>(<A HREF="../../../javax/vecmath/Vector4d.html" title="class in javax.vecmath">Vector4d</A>[] planes)</CODE><BR> Sets the bounding planes for this polytope.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/BoundingPolytope.html#toString()">toString</A></B>()</CODE><BR> Returns a string representation of this class</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/BoundingPolytope.html#transform(javax.media.j3d.Bounds, javax.media.j3d.Transform3D)">transform</A></B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A> boundsObject, <A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A> matrix)</CODE><BR> Modifies the bounding polytope so that it bounds the volume generated by transforming the given bounding object.</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/BoundingPolytope.html#transform(javax.media.j3d.Transform3D)">transform</A></B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A> matrix)</CODE><BR> Transforms this bounding polytope by the given transformation matrix.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="BoundingPolytope(javax.vecmath.Vector4d[])"><!-- --></A><H3>BoundingPolytope</H3><PRE>public <B>BoundingPolytope</B>(<A HREF="../../../javax/vecmath/Vector4d.html" title="class in javax.vecmath">Vector4d</A>[] planes)</PRE><DL><DD>Constructs a BoundingPolytope using the specified planes.<P><DL><DT><B>Parameters:</B><DD><CODE>planes</CODE> - a set of planes defining the polytope.<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - if the length of the specified array of planes is less than 4.</DL></DL><HR><A NAME="BoundingPolytope()"><!-- --></A><H3>BoundingPolytope</H3><PRE>public <B>BoundingPolytope</B>()</PRE><DL><DD>Constructs a BoundingPolytope and initializes it to a set of 6 planes that defines a cube such that -1 <= x,y,z <= 1. The values of the planes are as follows: <ul> planes[0] : x <= 1 (1,0,0,-1)<br> planes[1] : -x <= 1 (-1,0,0,-1)<br> planes[2] : y <= 1 (0,1,0,-1)<br> planes[3] : -y <= 1 (0,-1,0,-1)<br> planes[4] : z <= 1 (0,0,1,-1)<br> planes[5] : -z <= 1 (0,0,-1,-1)<br> </ul><P></DL><HR><A NAME="BoundingPolytope(javax.media.j3d.Bounds)"><!-- --></A><H3>BoundingPolytope</H3><PRE>public <B>BoundingPolytope</B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A> boundsObject)</PRE><DL><DD>Constructs a BoundingPolytope from the specified bounds object. The new polytope will circumscribe the region specified by the input bounds.<P><DL><DT><B>Parameters:</B><DD><CODE>boundsObject</CODE> - the bounds object from which this polytope is constructed.</DL></DL><HR><A NAME="BoundingPolytope(javax.media.j3d.Bounds[])"><!-- --></A><H3>BoundingPolytope</H3><PRE>public <B>BoundingPolytope</B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A>[] boundsObjects)</PRE><DL><DD>Constructs a BoundingPolytope from the specified array of bounds objects. The new polytope will circumscribe the union of the regions specified by the input bounds objects.<P><DL><DT><B>Parameters:</B><DD><CODE>boundsObjects</CODE> - the array bounds objects from which this polytope is constructed.</DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="setPlanes(javax.vecmath.Vector4d[])"><!-- --></A><H3>setPlanes</H3><PRE>public void <B>setPlanes</B>(<A HREF="../../../javax/vecmath/Vector4d.html" title="class in javax.vecmath">Vector4d</A>[] planes)</PRE><DL><DD>Sets the bounding planes for this polytope.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>planes</CODE> - the new set of planes for this polytope<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - if the length of the specified array of planes is less than 4.</DL></DD></DL><HR><A NAME="getPlanes(javax.vecmath.Vector4d[])"><!-- --></A><H3>getPlanes</H3><PRE>public void <B>getPlanes</B>(<A HREF="../../../javax/vecmath/Vector4d.html" title="class in javax.vecmath">Vector4d</A>[] planes)</PRE><DL><DD>Returns the equations of the bounding planes for this bounding polytope. The equations are copied into the specified array. The array must be large enough to hold all of the vectors. The individual array elements must be allocated by the caller.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>planes</CODE> - an array Vector4d to receive the bounding planes</DL></DD></DL><HR><A NAME="getNumPlanes()"><!-- --></A><H3>getNumPlanes</H3><PRE>public int <B>getNumPlanes</B>()</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="set(javax.media.j3d.Bounds)"><!-- --></A><H3>set</H3><PRE>public void <B>set</B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A> boundsObject)</PRE><DL><DD>Sets the planes for this BoundingPolytope by keeping its current number and position of planes and computing new planes positions to enclose the given bounds object.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/Bounds.html#set(javax.media.j3d.Bounds)">set</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A></CODE></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>boundsObject</CODE> - another bounds object</DL></DD></DL><HR><A NAME="clone()"><!-- --></A><H3>clone</H3><PRE>public java.lang.Object <B>clone</B>()</PRE><DL><DD>Creates a copy of a polytope.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/Bounds.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A></CODE></DL></DD><DD><DL><DT><B>Returns:</B><DD>a new BoundingPolytope</DL></DD></DL><HR><A NAME="equals(java.lang.Object)"><!-- --></A><H3>equals</H3><PRE>public boolean <B>equals</B>(java.lang.Object bounds)</PRE><DL><DD>Indicates whether the specified <code>bounds</code> object is equal to this BoundingPolytope object. They are equal if the specified <code>bounds</code> object is an instance of BoundingPolytope and all of the data members of <code>bounds</code> are equal to the corresponding data members in this BoundingPolytope.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/Bounds.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A></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 BoundingPolytope is equal to <code>bounds</code>; otherwise false<DT><B>Since:</B></DT> <DD>Java 3D 1.2</DD></DL></DD></DL><HR><A NAME="hashCode()"><!-- --></A><H3>hashCode</H3><PRE>public int <B>hashCode</B>()</PRE><DL><DD>Returns a hash code value for this BoundingPolytope object based on the data values in this object. Two different BoundingPolytope objects with identical data values (i.e., BoundingPolytope.equals returns true) will return the same hash code value. Two BoundingPolytope objects with different data members may return the same hash code value, although this is not likely.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/Bounds.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A></CODE></DL></DD><DD><DL><DT><B>Returns:</B><DD>a hash code value for this BoundingPolytope object.<DT><B>Since:</B></DT> <DD>Java 3D 1.2</DD></DL></DD></DL><HR><A NAME="combine(javax.media.j3d.Bounds)"><!-- --></A><H3>combine</H3><PRE>public void <B>combine</B>(<A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A> boundsObject)</PRE><DL><DD>Combines this bounding polytope with a bounding object so that the resulting bounding polytope encloses the original bounding polytope and the given bounds object.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/Bounds.html#combine(javax.media.j3d.Bounds)">combine</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/Bounds.html" title="class in javax.media.j3d">Bounds</A></CODE></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>⌨️ 快捷键说明
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