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Ray (libgdx API)
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com.badlogic.gdx.math.collision</FONT>
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Class Ray</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.math.collision.Ray</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>Ray</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL>
</PRE>

<P>
Encapsulates a ray having a starting position and a unit length direction.
<P>

<P>
<DL>
<DT><B>Author:</B></DT>
  <DD>badlogicgames@gmail.com</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../../serialized-form.html#com.badlogic.gdx.math.collision.Ray">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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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#direction">direction</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#origin">origin</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#Ray(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)">Ray</A></B>(<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;origin,
    <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;direction)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor, sets the starting position of the ray and the direction.</TD>
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&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#cpy()">cpy</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#getEndPoint(float)">getEndPoint</A></B>(float&nbsp;distance)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns and endpoint given the distance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#mul(com.badlogic.gdx.math.Matrix4)">mul</A></B>(<A HREF="../../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</A>&nbsp;matrix)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Multiplies the ray by the given matrix.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#set(float, float, float, float, float, float)">set</A></B>(float&nbsp;x,
    float&nbsp;y,
    float&nbsp;z,
    float&nbsp;dx,
    float&nbsp;dy,
    float&nbsp;dz)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets this ray from the given starting position and direction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#set(com.badlogic.gdx.math.collision.Ray)">set</A></B>(<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A>&nbsp;ray)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the starting position and direction from the given ray</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#set(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)">set</A></B>(<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;origin,
    <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;direction)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the starting position and the direction of this ray.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<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, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

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<A NAME="origin"><!-- --></A><H3>
origin</H3>
<PRE>
public final <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A> <B>origin</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="direction"><!-- --></A><H3>
direction</H3>
<PRE>
public final <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A> <B>direction</B></PRE>
<DL>
<DL>
</DL>
</DL>

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

<A NAME="constructor_detail"><!-- --></A>
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<A NAME="Ray(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)"><!-- --></A><H3>
Ray</H3>
<PRE>
public <B>Ray</B>(<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;origin,
           <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;direction)</PRE>
<DL>
<DD>Constructor, sets the starting position of the ray and the direction.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>origin</CODE> - The starting position<DD><CODE>direction</CODE> - The direction</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<A NAME="cpy()"><!-- --></A><H3>
cpy</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A> <B>cpy</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a copy of this ray.</DL>
</DD>
</DL>
<HR>

<A NAME="getEndPoint(float)"><!-- --></A><H3>
getEndPoint</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A> <B>getEndPoint</B>(float&nbsp;distance)</PRE>
<DL>
<DD>Returns and endpoint given the distance. This is calculated as startpoint + distance * direction.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>distance</CODE> - The distance from the end point to the start point.
<DT><B>Returns:</B><DD>The end point</DL>
</DD>
</DL>
<HR>

<A NAME="mul(com.badlogic.gdx.math.Matrix4)"><!-- --></A><H3>
mul</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A> <B>mul</B>(<A HREF="../../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</A>&nbsp;matrix)</PRE>
<DL>
<DD>Multiplies the ray by the given matrix. Use this to transform a ray into another coordinate system.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>matrix</CODE> - The matrix
<DT><B>Returns:</B><DD>This ray for chaining.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="set(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)"><!-- --></A><H3>
set</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A> <B>set</B>(<A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;origin,
               <A HREF="../../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</A>&nbsp;direction)</PRE>
<DL>
<DD>Sets the starting position and the direction of this ray.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>origin</CODE> - The starting position<DD><CODE>direction</CODE> - The direction
<DT><B>Returns:</B><DD>this ray for chaining</DL>
</DD>
</DL>
<HR>

<A NAME="set(float, float, float, float, float, float)"><!-- --></A><H3>
set</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A> <B>set</B>(float&nbsp;x,
               float&nbsp;y,
               float&nbsp;z,
               float&nbsp;dx,
               float&nbsp;dy,
               float&nbsp;dz)</PRE>
<DL>
<DD>Sets this ray from the given starting position and direction.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The x-component of the starting position<DD><CODE>y</CODE> - The y-component of the starting position<DD><CODE>z</CODE> - The z-component of the starting position<DD><CODE>dx</CODE> - The x-component of the direction<DD><CODE>dy</CODE> - The y-component of the direction<DD><CODE>dz</CODE> - The z-component of the direction
<DT><B>Returns:</B><DD>this ray for chaining</DL>
</DD>
</DL>
<HR>

<A NAME="set(com.badlogic.gdx.math.collision.Ray)"><!-- --></A><H3>
set</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A> <B>set</B>(<A HREF="../../../../../com/badlogic/gdx/math/collision/Ray.html" title="class in com.badlogic.gdx.math.collision">Ray</A>&nbsp;ray)</PRE>
<DL>
<DD>Sets the starting position and direction from the given ray
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ray</CODE> - The ray
<DT><B>Returns:</B><DD>This ray for chaining</DL>
</DD>
</DL>
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