cpp
/
JoltPhysics
oglindă de https://github.com/jrouwe/JoltPhysics.git


			
				
					
						
						
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   <div id="projectbrief">A multi core friendly Game Physics Engine</div>
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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="class_vehicle_transmission-members.html">List of all members</a>  </div>
  <div class="headertitle"><div class="title">VehicleTransmission Class Reference</div></div>
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<p>Runtime data for transmission.  
 <a href="#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="_vehicle_transmission_8h_source.html">VehicleTransmission.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for VehicleTransmission:</div>
<div class="dyncontent">
 <div class="center">
  <img src="class_vehicle_transmission.png" usemap="#VehicleTransmission_map" alt=""/>
  <map id="VehicleTransmission_map" name="VehicleTransmission_map">
<area href="class_vehicle_transmission_settings.html" title="Configuration for the transmission of a vehicle (gear box)" alt="VehicleTransmissionSettings" shape="rect" coords="0,0,172,24"/>
  </map>
</div></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4d2b3e12b61038846be21623f1c2694e" id="r_a4d2b3e12b61038846be21623f1c2694e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a4d2b3e12b61038846be21623f1c2694e">Set</a> (int inCurrentGear, float inClutchFriction)</td></tr>
<tr class="separator:a4d2b3e12b61038846be21623f1c2694e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abd88a375576b8d35f854a5f687bf8acb" id="r_abd88a375576b8d35f854a5f687bf8acb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#abd88a375576b8d35f854a5f687bf8acb">Update</a> (float inDeltaTime, float inCurrentRPM, float inForwardInput, bool inCanShiftUp)</td></tr>
<tr class="separator:abd88a375576b8d35f854a5f687bf8acb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2770cd2da41162587a2addd366ba4535" id="r_a2770cd2da41162587a2addd366ba4535"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2770cd2da41162587a2addd366ba4535">GetCurrentGear</a> () const</td></tr>
<tr class="memdesc:a2770cd2da41162587a2addd366ba4535"><td class="mdescLeft">&#160;</td><td class="mdescRight">Current gear, -1 = reverse, 0 = neutral, 1 = 1st gear etc.  <br /></td></tr>
<tr class="separator:a2770cd2da41162587a2addd366ba4535"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2dc82e524311127f8bb8d5fe2cd63809" id="r_a2dc82e524311127f8bb8d5fe2cd63809"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2dc82e524311127f8bb8d5fe2cd63809">GetClutchFriction</a> () const</td></tr>
<tr class="memdesc:a2dc82e524311127f8bb8d5fe2cd63809"><td class="mdescLeft">&#160;</td><td class="mdescRight">Value between 0 and 1 indicating how much friction the clutch gives (0 = no friction, 1 = full friction)  <br /></td></tr>
<tr class="separator:a2dc82e524311127f8bb8d5fe2cd63809"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aebbd24ac8a0b55f474d7654507739059" id="r_aebbd24ac8a0b55f474d7654507739059"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aebbd24ac8a0b55f474d7654507739059">IsSwitchingGear</a> () const</td></tr>
<tr class="memdesc:aebbd24ac8a0b55f474d7654507739059"><td class="mdescLeft">&#160;</td><td class="mdescRight">If the auto box is currently switching gears.  <br /></td></tr>
<tr class="separator:aebbd24ac8a0b55f474d7654507739059"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa58a4bc8d9ede0b99f622a0f20b36012" id="r_aa58a4bc8d9ede0b99f622a0f20b36012"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa58a4bc8d9ede0b99f622a0f20b36012">GetCurrentRatio</a> () const</td></tr>
<tr class="memdesc:aa58a4bc8d9ede0b99f622a0f20b36012"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the transmission ratio based on the current gear (ratio between engine and differential)  <br /></td></tr>
<tr class="separator:aa58a4bc8d9ede0b99f622a0f20b36012"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a237601b6ae13f2d8b31ff20981b7ac9c" id="r_a237601b6ae13f2d8b31ff20981b7ac9c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a237601b6ae13f2d8b31ff20981b7ac9c">AllowSleep</a> () const</td></tr>
<tr class="memdesc:a237601b6ae13f2d8b31ff20981b7ac9c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Only allow sleeping when the transmission is idle.  <br /></td></tr>
<tr class="separator:a237601b6ae13f2d8b31ff20981b7ac9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9424eebce9e6a038862d1a3e66fa94ad" id="r_a9424eebce9e6a038862d1a3e66fa94ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9424eebce9e6a038862d1a3e66fa94ad">SaveState</a> (<a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;inStream) const</td></tr>
<tr class="memdesc:a9424eebce9e6a038862d1a3e66fa94ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Saving state for replay.  <br /></td></tr>
<tr class="separator:a9424eebce9e6a038862d1a3e66fa94ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1c3c2fef737c176e558081a0175f71f9" id="r_a1c3c2fef737c176e558081a0175f71f9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1c3c2fef737c176e558081a0175f71f9">RestoreState</a> (<a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;inStream)</td></tr>
<tr class="separator:a1c3c2fef737c176e558081a0175f71f9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_vehicle_transmission_settings"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_vehicle_transmission_settings')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_vehicle_transmission_settings.html">VehicleTransmissionSettings</a></td></tr>
<tr class="memitem:ac843a815cfe9ce6ad3fd4f5872d187e1 inherit pub_methods_class_vehicle_transmission_settings" id="r_ac843a815cfe9ce6ad3fd4f5872d187e1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#ac843a815cfe9ce6ad3fd4f5872d187e1">SaveBinaryState</a> (<a class="el" href="class_stream_out.html">StreamOut</a> &amp;inStream) const</td></tr>
<tr class="memdesc:ac843a815cfe9ce6ad3fd4f5872d187e1 inherit pub_methods_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">Saves the contents in binary form to inStream.  <br /></td></tr>
<tr class="separator:ac843a815cfe9ce6ad3fd4f5872d187e1 inherit pub_methods_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3055b6c810a88a1ae3fd2946a1683d5d inherit pub_methods_class_vehicle_transmission_settings" id="r_a3055b6c810a88a1ae3fd2946a1683d5d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a3055b6c810a88a1ae3fd2946a1683d5d">RestoreBinaryState</a> (<a class="el" href="class_stream_in.html">StreamIn</a> &amp;inStream)</td></tr>
<tr class="memdesc:a3055b6c810a88a1ae3fd2946a1683d5d inherit pub_methods_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">Restores the contents in binary form to inStream.  <br /></td></tr>
<tr class="separator:a3055b6c810a88a1ae3fd2946a1683d5d inherit pub_methods_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="inherited" name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_attribs_class_vehicle_transmission_settings"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_attribs_class_vehicle_transmission_settings')"><img src="closed.png" alt="-"/>&#160;Public Attributes inherited from <a class="el" href="class_vehicle_transmission_settings.html">VehicleTransmissionSettings</a></td></tr>
<tr class="memitem:a57d1f98cbd50ba710d6c1941e2788e8f inherit pub_attribs_class_vehicle_transmission_settings" id="r_a57d1f98cbd50ba710d6c1941e2788e8f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_vehicle_transmission_8h.html#ad3e125d6d786c09fddfa10be390f851d">ETransmissionMode</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a57d1f98cbd50ba710d6c1941e2788e8f">mMode</a> = <a class="el" href="_vehicle_transmission_8h.html#ad3e125d6d786c09fddfa10be390f851da06b9281e396db002010bde1de57262eb">ETransmissionMode::Auto</a></td></tr>
<tr class="memdesc:a57d1f98cbd50ba710d6c1941e2788e8f inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">How to switch gears.  <br /></td></tr>
<tr class="separator:a57d1f98cbd50ba710d6c1941e2788e8f inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3632548e7e09e7eb2fc8594ff039265e inherit pub_attribs_class_vehicle_transmission_settings" id="r_a3632548e7e09e7eb2fc8594ff039265e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_array.html">Array</a>&lt; float &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a3632548e7e09e7eb2fc8594ff039265e">mGearRatios</a> { 2.66f, 1.78f, 1.3f, 1.0f, 0.74f }</td></tr>
<tr class="memdesc:a3632548e7e09e7eb2fc8594ff039265e inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">Ratio in rotation rate between engine and gear box, first element is 1st gear, 2nd element 2nd gear etc.  <br /></td></tr>
<tr class="separator:a3632548e7e09e7eb2fc8594ff039265e inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac0a9ec4f7eb2fa4d2bfbb5c49c46171d inherit pub_attribs_class_vehicle_transmission_settings" id="r_ac0a9ec4f7eb2fa4d2bfbb5c49c46171d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_array.html">Array</a>&lt; float &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#ac0a9ec4f7eb2fa4d2bfbb5c49c46171d">mReverseGearRatios</a> { -2.90f }</td></tr>
<tr class="memdesc:ac0a9ec4f7eb2fa4d2bfbb5c49c46171d inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">Ratio in rotation rate between engine and gear box when driving in reverse.  <br /></td></tr>
<tr class="separator:ac0a9ec4f7eb2fa4d2bfbb5c49c46171d inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad890effc2f497795fb22fd56da27888e inherit pub_attribs_class_vehicle_transmission_settings" id="r_ad890effc2f497795fb22fd56da27888e"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#ad890effc2f497795fb22fd56da27888e">mSwitchTime</a> = 0.5f</td></tr>
<tr class="memdesc:ad890effc2f497795fb22fd56da27888e inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">How long it takes to switch gears (s), only used in auto mode.  <br /></td></tr>
<tr class="separator:ad890effc2f497795fb22fd56da27888e inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a06bfd0f8f234b58488615250e7cc5703 inherit pub_attribs_class_vehicle_transmission_settings" id="r_a06bfd0f8f234b58488615250e7cc5703"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a06bfd0f8f234b58488615250e7cc5703">mClutchReleaseTime</a> = 0.3f</td></tr>
<tr class="memdesc:a06bfd0f8f234b58488615250e7cc5703 inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">How long it takes to release the clutch (go to full friction), only used in auto mode.  <br /></td></tr>
<tr class="separator:a06bfd0f8f234b58488615250e7cc5703 inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8c1734a64d58ae36d49082c56d563986 inherit pub_attribs_class_vehicle_transmission_settings" id="r_a8c1734a64d58ae36d49082c56d563986"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a8c1734a64d58ae36d49082c56d563986">mSwitchLatency</a> = 0.5f</td></tr>
<tr class="memdesc:a8c1734a64d58ae36d49082c56d563986 inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">How long to wait after releasing the clutch before another switch is attempted (s), only used in auto mode.  <br /></td></tr>
<tr class="separator:a8c1734a64d58ae36d49082c56d563986 inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a928b1aea1e5cae37d92bd18ccc3ab74c inherit pub_attribs_class_vehicle_transmission_settings" id="r_a928b1aea1e5cae37d92bd18ccc3ab74c"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a928b1aea1e5cae37d92bd18ccc3ab74c">mShiftUpRPM</a> = 4000.0f</td></tr>
<tr class="memdesc:a928b1aea1e5cae37d92bd18ccc3ab74c inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">If RPM of engine is bigger then this we will shift a gear up, only used in auto mode.  <br /></td></tr>
<tr class="separator:a928b1aea1e5cae37d92bd18ccc3ab74c inherit pub_attribs_class_vehicle_transmission_settings"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9c89ba7571dd3ba9e5dff909a379ab3f inherit pub_attribs_class_vehicle_transmission_settings" id="r_a9c89ba7571dd3ba9e5dff909a379ab3f"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a9c89ba7571dd3ba9e5dff909a379ab3f">mShiftDownRPM</a> = 2000.0f</td></tr>
<tr class="memdesc:a9c89ba7571dd3ba9e5dff909a379ab3f inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">If RPM of engine is smaller then this we will shift a gear down, only used in auto mode.  <br /></td></tr>
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<tr class="memitem:a86105ca9b3215ec2a6208815f4e10740 inherit pub_attribs_class_vehicle_transmission_settings" id="r_a86105ca9b3215ec2a6208815f4e10740"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_vehicle_transmission_settings.html#a86105ca9b3215ec2a6208815f4e10740">mClutchStrength</a> = 10.0f</td></tr>
<tr class="memdesc:a86105ca9b3215ec2a6208815f4e10740 inherit pub_attribs_class_vehicle_transmission_settings"><td class="mdescLeft">&#160;</td><td class="mdescRight">Strength of the clutch when fully engaged. Total torque a clutch applies is Torque = ClutchStrength * (Velocity Engine - Avg Velocity Wheels At Clutch) (units: k m^2 s^-1)  <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Runtime data for transmission. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a237601b6ae13f2d8b31ff20981b7ac9c">&#9670;&#160;</a></span>AllowSleep()</h2>

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<p>Only allow sleeping when the transmission is idle. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2dc82e524311127f8bb8d5fe2cd63809">&#9670;&#160;</a></span>GetClutchFriction()</h2>

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<p>Value between 0 and 1 indicating how much friction the clutch gives (0 = no friction, 1 = full friction) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2770cd2da41162587a2addd366ba4535">&#9670;&#160;</a></span>GetCurrentGear()</h2>

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<p>Current gear, -1 = reverse, 0 = neutral, 1 = 1st gear etc. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa58a4bc8d9ede0b99f622a0f20b36012">&#9670;&#160;</a></span>GetCurrentRatio()</h2>

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<p>Return the transmission ratio based on the current gear (ratio between engine and differential) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aebbd24ac8a0b55f474d7654507739059">&#9670;&#160;</a></span>IsSwitchingGear()</h2>

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<p>If the auto box is currently switching gears. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a1c3c2fef737c176e558081a0175f71f9">&#9670;&#160;</a></span>RestoreState()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a9424eebce9e6a038862d1a3e66fa94ad">&#9670;&#160;</a></span>SaveState()</h2>

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<p>Saving state for replay. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4d2b3e12b61038846be21623f1c2694e">&#9670;&#160;</a></span>Set()</h2>

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<p>Set input from driver regarding the transmission (only relevant when transmission is set to manual mode) </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">inCurrentGear</td><td>Current gear, -1 = reverse, 0 = neutral, 1 = 1st gear etc. </td></tr>
    <tr><td class="paramname">inClutchFriction</td><td>Value between 0 and 1 indicating how much friction the clutch gives (0 = no friction, 1 = full friction) </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#abd88a375576b8d35f854a5f687bf8acb">&#9670;&#160;</a></span>Update()</h2>

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          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inCurrentRPM</em></span>, </td>
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          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inForwardInput</em></span>, </td>
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<p>Update the current gear and clutch friction if the transmission is in auto mode </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">inDeltaTime</td><td>Time step delta time in s </td></tr>
    <tr><td class="paramname">inCurrentRPM</td><td>Current RPM for engine </td></tr>
    <tr><td class="paramname">inForwardInput</td><td>Hint if the user wants to drive forward (&gt; 0) or backwards (&lt; 0) </td></tr>
    <tr><td class="paramname">inCanShiftUp</td><td>Indicates if we want to allow the transmission to shift up (e.g. pass false if wheels are slipping) </td></tr>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>Jolt/Physics/Vehicle/<a class="el" href="_vehicle_transmission_8h_source.html">VehicleTransmission.h</a></li>
<li>Jolt/Physics/Vehicle/<a class="el" href="_vehicle_transmission_8cpp.html">VehicleTransmission.cpp</a></li>
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