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Polygon (Slick - The 2D Library)
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org.newdawn.slick.geom</FONT>
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Class Polygon</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">org.newdawn.slick.geom.Shape</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.newdawn.slick.geom.Polygon</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>Polygon</B><DT>extends <A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></DL>
</PRE>
<P>
A polygon implementation meeting the <code>Shape</code> contract.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Mark</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.newdawn.slick.geom.Polygon">Serialized Form</A></DL>
<HR>
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<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
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&nbsp;<A NAME="fields_inherited_from_class_org.newdawn.slick.geom.Shape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.newdawn.slick.geom.<A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#boundingCircleRadius">boundingCircleRadius</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#center">center</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#maxX">maxX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#maxY">maxY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#minX">minX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#minY">minY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#points">points</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#pointsDirty">pointsDirty</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#trianglesDirty">trianglesDirty</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#tris">tris</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#x">x</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#y">y</A></CODE></TD>
</TR>
</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#Polygon()">Polygon</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create an empty polygon</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#Polygon(float[])">Polygon</A></B>(float[]&nbsp;points)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a new polygon with 3 or more points.</TD>
</TR>
</TABLE>
&nbsp;
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#addPoint(float, float)">addPoint</A></B>(float&nbsp;x,
float&nbsp;y)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add a point to the polygon</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#closed()">closed</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;True if this is a closed shape</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/newdawn/slick/geom/Polygon.html" title="class in org.newdawn.slick.geom">Polygon</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#copy()">copy</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provide a copy of this polygon</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#createPoints()">createPoints</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subclasses implement this to create the points of the shape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#setAllowDuplicatePoints(boolean)">setAllowDuplicatePoints</A></B>(boolean&nbsp;allowDups)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate if duplicate points are allow</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#setClosed(boolean)">setClosed</A></B>(boolean&nbsp;closed)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate if the polygon should be closed</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#setX(float)">setX</A></B>(float&nbsp;x)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the x position of the left side this shape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#setY(float)">setY</A></B>(float&nbsp;y)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the y position of the top of this shape.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/newdawn/slick/geom/Polygon.html#transform(org.newdawn.slick.geom.Transform)">transform</A></B>(<A HREF="../../../../org/newdawn/slick/geom/Transform.html" title="class in org.newdawn.slick.geom">Transform</A>&nbsp;transform)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Apply a transformation and return a new shape.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.newdawn.slick.geom.Shape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.newdawn.slick.geom.<A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#calculateRadius()">calculateRadius</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#calculateTriangles()">calculateTriangles</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#checkPoints()">checkPoints</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#contains(float, float)">contains</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#contains(org.newdawn.slick.geom.Shape)">contains</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#findCenter()">findCenter</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getBoundingCircleRadius()">getBoundingCircleRadius</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getCenter()">getCenter</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getCenterX()">getCenterX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getCenterY()">getCenterY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getHeight()">getHeight</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getLocation()">getLocation</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getMaxX()">getMaxX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getMaxY()">getMaxY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getMinX()">getMinX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getMinY()">getMinY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getNormal(int)">getNormal</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getPoint(int)">getPoint</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getPointCount()">getPointCount</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getPoints()">getPoints</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getTriangles()">getTriangles</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getWidth()">getWidth</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getX()">getX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#getY()">getY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#hasVertex(float, float)">hasVertex</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#includes(float, float)">includes</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#increaseTriangulation()">increaseTriangulation</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#indexOf(float, float)">indexOf</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#intersects(org.newdawn.slick.geom.Shape)">intersects</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#preCache()">preCache</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#prune()">prune</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#setCenterX(float)">setCenterX</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#setCenterY(float)">setCenterY</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#setLocation(float, float)">setLocation</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#setLocation(org.newdawn.slick.geom.Vector2f)">setLocation</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#subtract(org.newdawn.slick.geom.Shape)">subtract</A>, <A HREF="../../../../org/newdawn/slick/geom/Shape.html#union(org.newdawn.slick.geom.Shape)">union</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<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>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="Polygon(float[])"><!-- --></A><H3>
Polygon</H3>
<PRE>
public <B>Polygon</B>(float[]&nbsp;points)</PRE>
<DL>
<DD>Construct a new polygon with 3 or more points.
This constructor will take the first set of points and copy them after
the last set of points to create a closed shape.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>points</CODE> - An array of points in x, y order.</DL>
</DL>
<HR>
<A NAME="Polygon()"><!-- --></A><H3>
Polygon</H3>
<PRE>
public <B>Polygon</B>()</PRE>
<DL>
<DD>Create an empty polygon
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setAllowDuplicatePoints(boolean)"><!-- --></A><H3>
setAllowDuplicatePoints</H3>
<PRE>
public void <B>setAllowDuplicatePoints</B>(boolean&nbsp;allowDups)</PRE>
<DL>
<DD>Indicate if duplicate points are allow
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>allowDups</CODE> - True if duplicate points are allowed</DL>
</DD>
</DL>
<HR>
<A NAME="addPoint(float, float)"><!-- --></A><H3>
addPoint</H3>
<PRE>
public void <B>addPoint</B>(float&nbsp;x,
float&nbsp;y)</PRE>
<DL>
<DD>Add a point to the polygon
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The x coordinate of the point<DD><CODE>y</CODE> - The y coordinate of the point</DL>
</DD>
</DL>
<HR>
<A NAME="transform(org.newdawn.slick.geom.Transform)"><!-- --></A><H3>
transform</H3>
<PRE>
public <A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A> <B>transform</B>(<A HREF="../../../../org/newdawn/slick/geom/Transform.html" title="class in org.newdawn.slick.geom">Transform</A>&nbsp;transform)</PRE>
<DL>
<DD>Apply a transformation and return a new shape. This will not alter the current shape but will
return the transformed shape.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#transform(org.newdawn.slick.geom.Transform)">transform</A></CODE> in class <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transform</CODE> - The transform to be applied
<DT><B>Returns:</B><DD>The transformed shape.</DL>
</DD>
</DL>
<HR>
<A NAME="setX(float)"><!-- --></A><H3>
setX</H3>
<PRE>
public void <B>setX</B>(float&nbsp;x)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setX(float)">Shape</A></CODE></B></DD>
<DD>Set the x position of the left side this shape.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setX(float)">setX</A></CODE> in class <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The new x position of the left side this shape.<DT><B>See Also:</B><DD><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setX(float)"><CODE>Shape.setX(float)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setY(float)"><!-- --></A><H3>
setY</H3>
<PRE>
public void <B>setY</B>(float&nbsp;y)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setY(float)">Shape</A></CODE></B></DD>
<DD>Set the y position of the top of this shape.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setY(float)">setY</A></CODE> in class <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>y</CODE> - The new y position of the top of this shape.<DT><B>See Also:</B><DD><A HREF="../../../../org/newdawn/slick/geom/Shape.html#setY(float)"><CODE>Shape.setY(float)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="createPoints()"><!-- --></A><H3>
createPoints</H3>
<PRE>
protected void <B>createPoints</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#createPoints()">Shape</A></CODE></B></DD>
<DD>Subclasses implement this to create the points of the shape.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#createPoints()">createPoints</A></CODE> in class <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../../org/newdawn/slick/geom/Shape.html#createPoints()"><CODE>Shape.createPoints()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="closed()"><!-- --></A><H3>
closed</H3>
<PRE>
public boolean <B>closed</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#closed()">Shape</A></CODE></B></DD>
<DD>True if this is a closed shape
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html#closed()">closed</A></CODE> in class <CODE><A HREF="../../../../org/newdawn/slick/geom/Shape.html" title="class in org.newdawn.slick.geom">Shape</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>True if this is a closed shape<DT><B>See Also:</B><DD><A HREF="../../../../org/newdawn/slick/geom/Shape.html#closed()"><CODE>Shape.closed()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setClosed(boolean)"><!-- --></A><H3>
setClosed</H3>
<PRE>
public void <B>setClosed</B>(boolean&nbsp;closed)</PRE>
<DL>
<DD>Indicate if the polygon should be closed
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>closed</CODE> - True if the polygon should be closed</DL>
</DD>
</DL>
<HR>
<A NAME="copy()"><!-- --></A><H3>
copy</H3>
<PRE>
public <A HREF="../../../../org/newdawn/slick/geom/Polygon.html" title="class in org.newdawn.slick.geom">Polygon</A> <B>copy</B>()</PRE>
<DL>
<DD>Provide a copy of this polygon
<P>
<DD><DL>
<DT><B>Returns:</B><DD>A copy of this polygon</DL>
</DD>
</DL>
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