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Contact (libgdx API)
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com.badlogic.gdx.physics.box2d</FONT>
<BR>
Class Contact</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.physics.box2d.Contact</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>Contact</B><DT>extends java.lang.Object</DL>
</PRE>

<P>
The class manages contact between two shapes. A contact exists for each overlapping AABB in the broad-phase (except if
 filtered). Therefore a contact object may exist that has no contact points.
<P>

<P>
<DL>
<DT><B>Author:</B></DT>
  <DD>mzechner</DD>
</DL>
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<CODE>protected &nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#addr">addr</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the address</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/badlogic/gdx/physics/box2d/World.html" title="class in com.badlogic.gdx.physics.box2d">World</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#world">world</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the world</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../com/badlogic/gdx/physics/box2d/WorldManifold.html" title="class in com.badlogic.gdx.physics.box2d">WorldManifold</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#worldManifold">worldManifold</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the world manifold</TD>
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<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#Contact(com.badlogic.gdx.physics.box2d.World, long)">Contact</A></B>(<A HREF="../../../../../com/badlogic/gdx/physics/box2d/World.html" title="class in com.badlogic.gdx.physics.box2d">World</A>&nbsp;world,
        long&nbsp;addr)</CODE>

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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getChildIndexA()">getChildIndexA</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the child primitive index for fixture A.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getChildIndexB()">getChildIndexB</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the child primitive index for fixture B.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/physics/box2d/Fixture.html" title="class in com.badlogic.gdx.physics.box2d">Fixture</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getFixtureA()">getFixtureA</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the first fixture in this contact.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/physics/box2d/Fixture.html" title="class in com.badlogic.gdx.physics.box2d">Fixture</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getFixtureB()">getFixtureB</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the second fixture in this contact.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getFriction()">getFriction</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the friction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getRestitution()">getRestitution</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the restitution.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../com/badlogic/gdx/physics/box2d/WorldManifold.html" title="class in com.badlogic.gdx.physics.box2d">WorldManifold</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#getWorldManifold()">getWorldManifold</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;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#isEnabled()">isEnabled</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Has this contact been disabled?</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="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#isTouching()">isTouching</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;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#resetFriction()">resetFriction</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reset the friction mixture to the default value.</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="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#ResetRestitution()">ResetRestitution</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reset the restitution to the default value.</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="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#setEnabled(boolean)">setEnabled</A></B>(boolean&nbsp;flag)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enable/disable this contact.</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="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#setFriction(float)">setFriction</A></B>(float&nbsp;friction)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Override the default friction mixture.</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="../../../../../com/badlogic/gdx/physics/box2d/Contact.html#setRestitution(float)">setRestitution</A></B>(float&nbsp;restitution)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Override the default restitution mixture.</TD>
</TR>
</TABLE>
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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, toString, wait, wait, wait</CODE></TD>
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&nbsp;
<P>

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<A NAME="addr"><!-- --></A><H3>
addr</H3>
<PRE>
protected long <B>addr</B></PRE>
<DL>
<DD>the address
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="world"><!-- --></A><H3>
world</H3>
<PRE>
protected <A HREF="../../../../../com/badlogic/gdx/physics/box2d/World.html" title="class in com.badlogic.gdx.physics.box2d">World</A> <B>world</B></PRE>
<DL>
<DD>the world
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="worldManifold"><!-- --></A><H3>
worldManifold</H3>
<PRE>
protected final <A HREF="../../../../../com/badlogic/gdx/physics/box2d/WorldManifold.html" title="class in com.badlogic.gdx.physics.box2d">WorldManifold</A> <B>worldManifold</B></PRE>
<DL>
<DD>the world manifold
<P>
<DL>
</DL>
</DL>

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

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<A NAME="Contact(com.badlogic.gdx.physics.box2d.World, long)"><!-- --></A><H3>
Contact</H3>
<PRE>
protected <B>Contact</B>(<A HREF="../../../../../com/badlogic/gdx/physics/box2d/World.html" title="class in com.badlogic.gdx.physics.box2d">World</A>&nbsp;world,
                  long&nbsp;addr)</PRE>
<DL>
</DL>

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

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<A NAME="getWorldManifold()"><!-- --></A><H3>
getWorldManifold</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/physics/box2d/WorldManifold.html" title="class in com.badlogic.gdx.physics.box2d">WorldManifold</A> <B>getWorldManifold</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isTouching()"><!-- --></A><H3>
isTouching</H3>
<PRE>
public boolean <B>isTouching</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setEnabled(boolean)"><!-- --></A><H3>
setEnabled</H3>
<PRE>
public void <B>setEnabled</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>Enable/disable this contact. This can be used inside the pre-solve contact listener. The contact is only disabled for the
 current time step (or sub-step in continuous collisions).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isEnabled()"><!-- --></A><H3>
isEnabled</H3>
<PRE>
public boolean <B>isEnabled</B>()</PRE>
<DL>
<DD>Has this contact been disabled?
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFixtureA()"><!-- --></A><H3>
getFixtureA</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/physics/box2d/Fixture.html" title="class in com.badlogic.gdx.physics.box2d">Fixture</A> <B>getFixtureA</B>()</PRE>
<DL>
<DD>Get the first fixture in this contact.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFixtureB()"><!-- --></A><H3>
getFixtureB</H3>
<PRE>
public <A HREF="../../../../../com/badlogic/gdx/physics/box2d/Fixture.html" title="class in com.badlogic.gdx.physics.box2d">Fixture</A> <B>getFixtureB</B>()</PRE>
<DL>
<DD>Get the second fixture in this contact.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getChildIndexA()"><!-- --></A><H3>
getChildIndexA</H3>
<PRE>
public int <B>getChildIndexA</B>()</PRE>
<DL>
<DD>Get the child primitive index for fixture A.
<P>
<DD><DL>

<DT><B>Returns:</B><DD></DL>
</DD>
</DL>
<HR>

<A NAME="getChildIndexB()"><!-- --></A><H3>
getChildIndexB</H3>
<PRE>
public int <B>getChildIndexB</B>()</PRE>
<DL>
<DD>Get the child primitive index for fixture B.
<P>
<DD><DL>

<DT><B>Returns:</B><DD></DL>
</DD>
</DL>
<HR>

<A NAME="setFriction(float)"><!-- --></A><H3>
setFriction</H3>
<PRE>
public void <B>setFriction</B>(float&nbsp;friction)</PRE>
<DL>
<DD>Override the default friction mixture. You can call this in b2ContactListener::PreSolve.
 This value persists until set or reset.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFriction()"><!-- --></A><H3>
getFriction</H3>
<PRE>
public float <B>getFriction</B>()</PRE>
<DL>
<DD>Get the friction.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="resetFriction()"><!-- --></A><H3>
resetFriction</H3>
<PRE>
public void <B>resetFriction</B>()</PRE>
<DL>
<DD>Reset the friction mixture to the default value.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setRestitution(float)"><!-- --></A><H3>
setRestitution</H3>
<PRE>
public void <B>setRestitution</B>(float&nbsp;restitution)</PRE>
<DL>
<DD>Override the default restitution mixture. You can call this in b2ContactListener::PreSolve.
 The value persists until you set or reset.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRestitution()"><!-- --></A><H3>
getRestitution</H3>
<PRE>
public float <B>getRestitution</B>()</PRE>
<DL>
<DD>Get the restitution.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="ResetRestitution()"><!-- --></A><H3>
ResetRestitution</H3>
<PRE>
public void <B>ResetRestitution</B>()</PRE>
<DL>
<DD>Reset the restitution to the default value.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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