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<title>NVIDIA(R) PhysX(R) SDK 3.4 API Reference: PxContactPair Struct Reference</title>
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<h1>PxContactPair Struct Reference<br>
<small>
[<a class="el" href="group__physics.html">Physics</a>]</small>
</h1><!-- doxytag: class="PxContactPair" -->Contact report pair information.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="PxSimulationEventCallback_8h-source.html">PxSimulationEventCallback.h</a>></code>
<p>
<div class="dynheader">
Collaboration diagram for PxContactPair:</div>
<div class="dynsection">
<p><center><img src="structPxContactPair__coll__graph.png" border="0" usemap="#PxContactPair__coll__map" alt="Collaboration graph"></center>
<map name="PxContactPair__coll__map">
<area shape="rect" href="classPxFlags.html" title="PxFlags\< PxContactPairFlag::Enum, PxU16 \>" alt="PxFlags\< PxContactPairFlag::Enum, PxU16 \>" coords="497,16,769,37"><area shape="rect" href="classPxFlags.html" title="PxFlags\< PxPairFlag::Enum, PxU16 \>" alt="PxFlags\< PxPairFlag::Enum, PxU16 \>" coords="519,85,748,107"><area shape="rect" href="classPxShape.html" title="Abstract class for collision shapes." alt="PxShape" coords="601,155,665,176"><area shape="rect" href="classPxBase.html" title="Base class for objects that can be members of a PxCollection." alt="PxBase" coords="389,155,445,176"><area shape="rect" href="classPxFlags.html" title="PxFlags\< PxBaseFlag::Enum, PxU16 \>" alt="PxFlags\< PxBaseFlag::Enum, PxU16 \>" coords="17,155,255,176"></map>
<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="structPxContactPair-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#d9a904aa67a0cec9887d03521c636d9e">PxContactPair</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE <a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__physics.html#g7ff203676a71282e269ff6844e93fa13">extractContacts</a> (<a class="el" href="structPxContactPairPoint.html">PxContactPairPoint</a> *userBuffer, <a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> bufferSize) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Extracts the contact points from the stream and stores them in a convenient format. <a href="group__physics.html#g7ff203676a71282e269ff6844e93fa13"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__physics.html#gdcafe5e4172403f89d62e592248fc5dc">bufferContacts</a> (<a class="el" href="structPxContactPair.html">PxContactPair</a> *newPair, PxU8 *bufferMemory) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Helper method to clone the contact pair and copy the contact data stream into a user buffer. <a href="group__physics.html#gdcafe5e4172403f89d62e592248fc5dc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE const <a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__physics.html#g305b4df8647fb1ddb2b67918482ec789">getInternalFaceIndices</a> () const </td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPxShape.html">PxShape</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#d4482d0d718415fbbd0c5852994f139f">shapes</a> [2]</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The two shapes that make up the pair. <a href="#d4482d0d718415fbbd0c5852994f139f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const PxU8 * </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#48af2df819d277ca1329da1630ac4a47">contactPatches</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Pointer to first patch header in contact stream containing contact patch data. <a href="#48af2df819d277ca1329da1630ac4a47"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const PxU8 * </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#73d11caa7df479aa964761a376968abb">contactPoints</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Pointer to first contact point in contact stream containing contact data. <a href="#73d11caa7df479aa964761a376968abb"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const PxReal * </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#0468bb8f49c3eeaf0ec18ce5b828f0ca">contactImpulses</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Buffer containing applied impulse data. <a href="#0468bb8f49c3eeaf0ec18ce5b828f0ca"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#8bee18db2d05286fc1e1b14bac54184f">requiredBufferSize</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Size of the contact stream [bytes] including force buffer. <a href="#8bee18db2d05286fc1e1b14bac54184f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PxU8 </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#fd3b2178f7005d3563f41b4925e60a39">contactCount</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Number of contact points stored in the contact stream. <a href="#fd3b2178f7005d3563f41b4925e60a39"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PxU8 </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#ac2821a1e5d8d8cc969b24f2a861a1a0">patchCount</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Number of contact patches stored in the contact stream. <a href="#ac2821a1e5d8d8cc969b24f2a861a1a0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PxU16 </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#bf78ac4dcef249601f486b939c08d589">contactStreamSize</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Size of the contact stream [bytes] not including force buffer. <a href="#bf78ac4dcef249601f486b939c08d589"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPxFlags.html">PxContactPairFlags</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#649a2da93fe6f6227631c42733648ca7">flags</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Additional information on the contact report pair. <a href="#649a2da93fe6f6227631c42733648ca7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPxFlags.html">PxPairFlags</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#cba0b9958ac5d3884c515f94234b9c20">events</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Flags raised due to the contact. <a href="#cba0b9958ac5d3884c515f94234b9c20"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxContactPair.html#7335f614a8f1aaec63340f28cc4d1f5f">internalData</a> [2]</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Contact report pair information.
<p>
Instances of this class are passed to <a class="el" href="classPxSimulationEventCallback.html#4dc1da28643ccf9f77c8432b5eb2fd32" title="This is called when certain contact events occur.">PxSimulationEventCallback.onContact()</a>. If contact reports have been requested for a pair of shapes (see <a class="el" href="structPxPairFlag.html" title="Collection of flags describing the actions to take for a collision pair.">PxPairFlag</a>), then the corresponding contact information will be provided through this structure.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classPxSimulationEventCallback.html#4dc1da28643ccf9f77c8432b5eb2fd32" title="This is called when certain contact events occur.">PxSimulationEventCallback.onContact()</a> </dd></dl>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="d9a904aa67a0cec9887d03521c636d9e"></a><!-- doxytag: member="PxContactPair::PxContactPair" ref="d9a904aa67a0cec9887d03521c636d9e" args="()" -->
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<td class="memname">PX_INLINE PxContactPair::PxContactPair </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline]</code></td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="fd3b2178f7005d3563f41b4925e60a39"></a><!-- doxytag: member="PxContactPair::contactCount" ref="fd3b2178f7005d3563f41b4925e60a39" args="" -->
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<td class="memname">PxU8 <a class="el" href="structPxContactPair.html#fd3b2178f7005d3563f41b4925e60a39">PxContactPair::contactCount</a> </td>
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<p>
Number of contact points stored in the contact stream.
<p>
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>, <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>, and <a class="el" href="PxSimulationEventCallback_8h-source.html#l00705">getInternalFaceIndices()</a>.</p>
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<a class="anchor" name="0468bb8f49c3eeaf0ec18ce5b828f0ca"></a><!-- doxytag: member="PxContactPair::contactImpulses" ref="0468bb8f49c3eeaf0ec18ce5b828f0ca" args="" -->
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<td class="memname">const PxReal* <a class="el" href="structPxContactPair.html#0468bb8f49c3eeaf0ec18ce5b828f0ca">PxContactPair::contactImpulses</a> </td>
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<p>
Buffer containing applied impulse data.
<p>
This pointer is only valid if contact point information has been requested for the contact report pair (see <a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fdb30cb0c2d2859560b34c684ac076137" title="Provide contact points in contact reports for this collision pair.">PxPairFlag::eNOTIFY_CONTACT_POINTS</a>). Use <a class="el" href="group__physics.html#g7ff203676a71282e269ff6844e93fa13" title="Extracts the contact points from the stream and stores them in a convenient format...">extractContacts()</a> as a reference for the data layout of the stream.
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>, <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>, and <a class="el" href="PxSimulationEventCallback_8h-source.html#l00705">getInternalFaceIndices()</a>.</p>
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<a class="anchor" name="48af2df819d277ca1329da1630ac4a47"></a><!-- doxytag: member="PxContactPair::contactPatches" ref="48af2df819d277ca1329da1630ac4a47" args="" -->
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<td class="memname">const PxU8* <a class="el" href="structPxContactPair.html#48af2df819d277ca1329da1630ac4a47">PxContactPair::contactPatches</a> </td>
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<p>
Pointer to first patch header in contact stream containing contact patch data.
<p>
This pointer is only valid if contact point information has been requested for the contact report pair (see <a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fdb30cb0c2d2859560b34c684ac076137" title="Provide contact points in contact reports for this collision pair.">PxPairFlag::eNOTIFY_CONTACT_POINTS</a>). Use <a class="el" href="group__physics.html#g7ff203676a71282e269ff6844e93fa13" title="Extracts the contact points from the stream and stores them in a convenient format...">extractContacts()</a> as a reference for the data layout of the stream.
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>, and <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>.</p>
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<a class="anchor" name="73d11caa7df479aa964761a376968abb"></a><!-- doxytag: member="PxContactPair::contactPoints" ref="73d11caa7df479aa964761a376968abb" args="" -->
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<td class="memname">const PxU8* <a class="el" href="structPxContactPair.html#73d11caa7df479aa964761a376968abb">PxContactPair::contactPoints</a> </td>
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<p>
Pointer to first contact point in contact stream containing contact data.
<p>
This pointer is only valid if contact point information has been requested for the contact report pair (see <a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fdb30cb0c2d2859560b34c684ac076137" title="Provide contact points in contact reports for this collision pair.">PxPairFlag::eNOTIFY_CONTACT_POINTS</a>). Use <a class="el" href="group__physics.html#g7ff203676a71282e269ff6844e93fa13" title="Extracts the contact points from the stream and stores them in a convenient format...">extractContacts()</a> as a reference for the data layout of the stream.
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>, and <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>.</p>
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<a class="anchor" name="bf78ac4dcef249601f486b939c08d589"></a><!-- doxytag: member="PxContactPair::contactStreamSize" ref="bf78ac4dcef249601f486b939c08d589" args="" -->
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<td class="memname">PxU16 <a class="el" href="structPxContactPair.html#bf78ac4dcef249601f486b939c08d589">PxContactPair::contactStreamSize</a> </td>
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<p>
Size of the contact stream [bytes] not including force buffer.
<p>
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>.</p>
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<a class="anchor" name="cba0b9958ac5d3884c515f94234b9c20"></a><!-- doxytag: member="PxContactPair::events" ref="cba0b9958ac5d3884c515f94234b9c20" args="" -->
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<td class="memname"><a class="el" href="classPxFlags.html">PxPairFlags</a> <a class="el" href="structPxContactPair.html#cba0b9958ac5d3884c515f94234b9c20">PxContactPair::events</a> </td>
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<p>
Flags raised due to the contact.
<p>
The events field is a combination of:<p>
<ul>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fbd8650de69997eaa7c5717e347ca74ac" title="Call contact report callback or trigger callback when this collision pair starts...">PxPairFlag::eNOTIFY_TOUCH_FOUND</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2f69f6e6373fe2f024618f752c388ef6b1" title="Call contact report callback while this collision pair is in contact.">PxPairFlag::eNOTIFY_TOUCH_PERSISTS</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2f201281be698379417370bf7b0aeeb78e" title="Call contact report callback or trigger callback when this collision pair stops to...">PxPairFlag::eNOTIFY_TOUCH_LOST</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fc3bd4a1e1a9cb6fbc00dd7df5770f4ac" title="Call contact report callback when this collision pair is in contact during CCD passes...">PxPairFlag::eNOTIFY_TOUCH_CCD</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fb35919229480fcf006fe1dd5a3fe38ab" title="Call contact report callback when the contact force between the actors of this collision...">PxPairFlag::eNOTIFY_THRESHOLD_FORCE_FOUND</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2fc74556f995b40456ab3dfcf1ea9de2dd" title="Call contact report callback when the contact force between the actors of this collision...">PxPairFlag::eNOTIFY_THRESHOLD_FORCE_PERSISTS</a>, </li>
<li>
<a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2f517ae07b413b27ad008f766170051ae6" title="Call contact report callback when the contact force between the actors of this collision...">PxPairFlag::eNOTIFY_THRESHOLD_FORCE_LOST</a> </li>
</ul>
<p>
See the documentation of <a class="el" href="structPxPairFlag.html" title="Collection of flags describing the actions to take for a collision pair.">PxPairFlag</a> for an explanation of each.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>eNOTIFY_TOUCH_CCD can get raised even if the pair did not request this event. However, in such a case it will only get raised in combination with one of the other flags to point out that the other event occured during a CCD pass.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="structPxPairFlag.html" title="Collection of flags describing the actions to take for a collision pair.">PxPairFlag</a> </dd></dl>
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<a class="anchor" name="649a2da93fe6f6227631c42733648ca7"></a><!-- doxytag: member="PxContactPair::flags" ref="649a2da93fe6f6227631c42733648ca7" args="" -->
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<td class="memname"><a class="el" href="classPxFlags.html">PxContactPairFlags</a> <a class="el" href="structPxContactPair.html#649a2da93fe6f6227631c42733648ca7">PxContactPair::flags</a> </td>
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Additional information on the contact report pair.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="structPxContactPairFlag.html" title="Collection of flags providing information on contact report pairs.">PxContactPairFlag</a> </dd></dl>
<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>.</p>
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<a class="anchor" name="7335f614a8f1aaec63340f28cc4d1f5f"></a><!-- doxytag: member="PxContactPair::internalData" ref="7335f614a8f1aaec63340f28cc4d1f5f" args="[2]" -->
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<td class="memname"><a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> <a class="el" href="structPxContactPair.html#7335f614a8f1aaec63340f28cc4d1f5f">PxContactPair::internalData</a>[2] </td>
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<a class="anchor" name="ac2821a1e5d8d8cc969b24f2a861a1a0"></a><!-- doxytag: member="PxContactPair::patchCount" ref="ac2821a1e5d8d8cc969b24f2a861a1a0" args="" -->
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<td class="memname">PxU8 <a class="el" href="structPxContactPair.html#ac2821a1e5d8d8cc969b24f2a861a1a0">PxContactPair::patchCount</a> </td>
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Number of contact patches stored in the contact stream.
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<p>Referenced by <a class="el" href="PxSimulationEventCallback_8h-source.html#l00680">bufferContacts()</a>, and <a class="el" href="PxSimulationEventCallback_8h-source.html#l00628">extractContacts()</a>.</p>
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<a class="anchor" name="8bee18db2d05286fc1e1b14bac54184f"></a><!-- doxytag: member="PxContactPair::requiredBufferSize" ref="8bee18db2d05286fc1e1b14bac54184f" args="" -->
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<td class="memname"><a class="el" href="group__foundation.html#gcce5749db3dcfb916e98c253374264ed">PxU32</a> <a class="el" href="structPxContactPair.html#8bee18db2d05286fc1e1b14bac54184f">PxContactPair::requiredBufferSize</a> </td>
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Size of the contact stream [bytes] including force buffer.
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<a class="anchor" name="d4482d0d718415fbbd0c5852994f139f"></a><!-- doxytag: member="PxContactPair::shapes" ref="d4482d0d718415fbbd0c5852994f139f" args="[2]" -->
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<td class="memname"><a class="el" href="classPxShape.html">PxShape</a>* <a class="el" href="structPxContactPair.html#d4482d0d718415fbbd0c5852994f139f">PxContactPair::shapes</a>[2] </td>
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The two shapes that make up the pair.
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<dl class="note" compact><dt><b>Note:</b></dt><dd>The shape pointers might reference deleted shapes. This will be the case if <a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2f201281be698379417370bf7b0aeeb78e" title="Call contact report callback or trigger callback when this collision pair stops to...">PxPairFlag::eNOTIFY_TOUCH_LOST</a> or <a class="el" href="structPxPairFlag.html#60e71a2948b030140f840766a3f7ac2f517ae07b413b27ad008f766170051ae6" title="Call contact report callback when the contact force between the actors of this collision...">PxPairFlag::eNOTIFY_THRESHOLD_FORCE_LOST</a> events were requested for the pair and one of the involved shapes gets deleted. Check the <a class="el" href="structPxContactPair.html#649a2da93fe6f6227631c42733648ca7" title="Additional information on the contact report pair.">flags</a> member to see whether that is the case. Do not dereference a pointer to a deleted shape. The pointer to a deleted shape is only provided such that user data structures which might depend on the pointer value can be updated.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classPxShape.html" title="Abstract class for collision shapes.">PxShape</a> </dd></dl>
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<hr>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="PxSimulationEventCallback_8h-source.html">PxSimulationEventCallback.h</a></ul>
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