<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Box2D: b2RopeJoint.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectlogo"><img alt="Logo" src="icon.gif"/></td> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Box2D  <span id="projectnumber">2.3.0</span> </div> <div id="projectbrief">A 2D Physics Engine for Games</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_a7f953fea4e008d17e00594b3bbaff29.html">Box2D</a></li><li class="navelem"><a class="el" href="dir_54cad791c4d2b04cb4a0ba0bba686f79.html">Dynamics</a></li><li class="navelem"><a class="el" href="dir_b4ce54b79b9fedd1c216c802993ffbe1.html">Joints</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">b2RopeJoint.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">*</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">* This software is provided 'as-is', without any express or implied</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">* warranty. In no event will the authors be held liable for any damages</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* arising from the use of this software.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* Permission is granted to anyone to use this software for any purpose,</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* including commercial applications, and to alter it and redistribute it</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* freely, subject to the following restrictions:</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">* 1. The origin of this software must not be misrepresented; you must not</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* claim that you wrote the original software. If you use this software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">* in a product, an acknowledgment in the product documentation would be</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* appreciated but is not required.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* 2. Altered source versions must be plainly marked as such, and must not be</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">* misrepresented as being the original software.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">* 3. This notice may not be removed or altered from any source distribution.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef B2_ROPE_JOINT_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define B2_ROPE_JOINT_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <Box2D/Dynamics/Joints/b2Joint.h></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structb2_rope_joint_def.html"> 28</a></span> <span class="keyword">struct </span><a class="code" href="structb2_rope_joint_def.html">b2RopeJointDef</a> : <span class="keyword">public</span> <a class="code" href="structb2_joint_def.html">b2JointDef</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="structb2_rope_joint_def.html">b2RopeJointDef</a>()</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="structb2_joint_def.html#a470f2879b24adb05facbd49f338856fb">type</a> = e_ropeJoint;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="structb2_rope_joint_def.html#ab680fcc3cd44741a7a824ddff86ff01e">localAnchorA</a>.<a class="code" href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">Set</a>(-1.0f, 0.0f);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="structb2_rope_joint_def.html#a3271da0e4027e25546aa6a81e8fbe4e2">localAnchorB</a>.<a class="code" href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">Set</a>(1.0f, 0.0f);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="structb2_rope_joint_def.html#a6efdcae22e2bdcfc3aae62da1a5f0d69">maxLength</a> = 0.0f;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structb2_rope_joint_def.html#ab680fcc3cd44741a7a824ddff86ff01e"> 39</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_rope_joint_def.html#ab680fcc3cd44741a7a824ddff86ff01e">localAnchorA</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structb2_rope_joint_def.html#a3271da0e4027e25546aa6a81e8fbe4e2"> 42</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_rope_joint_def.html#a3271da0e4027e25546aa6a81e8fbe4e2">localAnchorB</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structb2_rope_joint_def.html#a6efdcae22e2bdcfc3aae62da1a5f0d69"> 47</a></span>  float32 <a class="code" href="structb2_rope_joint_def.html#a6efdcae22e2bdcfc3aae62da1a5f0d69">maxLength</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> };</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classb2_rope_joint.html"> 58</a></span> <span class="keyword">class </span><a class="code" href="classb2_rope_joint.html">b2RopeJoint</a> : <span class="keyword">public</span> <a class="code" href="classb2_joint.html">b2Joint</a></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_rope_joint.html#a7e1f65c2bd7c65e4143f9dbfe19bf990">GetAnchorA</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_rope_joint.html#a1b39fa80270b2337103764a837856f03">GetAnchorB</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_rope_joint.html#ad0cceb363535d01293bc5e208017939c">GetReactionForce</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  float32 <a class="code" href="classb2_rope_joint.html#aa019393d576f6f2372fd601dc9190b49">GetReactionTorque</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classb2_rope_joint.html#a5fb600991e676e61e266ecb99448bb86"> 68</a></span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="classb2_rope_joint.html#a5fb600991e676e61e266ecb99448bb86">GetLocalAnchorA</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_localAnchorA; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classb2_rope_joint.html#a8a9b925c7ffa11d331ba369cc9fe2ac5"> 71</a></span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="classb2_rope_joint.html#a8a9b925c7ffa11d331ba369cc9fe2ac5">GetLocalAnchorB</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_localAnchorB; }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classb2_rope_joint.html#a92cea201d21acd2f2a7cc9b00e165848"> 74</a></span>  <span class="keywordtype">void</span> <a class="code" href="classb2_rope_joint.html#a92cea201d21acd2f2a7cc9b00e165848">SetMaxLength</a>(float32 length) { m_maxLength = length; }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  float32 GetMaxLength() <span class="keyword">const</span>;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  b2LimitState GetLimitState() <span class="keyword">const</span>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_rope_joint.html#a4612dca9851a66701893a48d896dbd14">Dump</a>();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classb2_joint.html">b2Joint</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classb2_rope_joint.html">b2RopeJoint</a>(<span class="keyword">const</span> <a class="code" href="structb2_rope_joint_def.html">b2RopeJointDef</a>* data);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> InitVelocityConstraints(<span class="keyword">const</span> <a class="code" href="structb2_solver_data.html">b2SolverData</a>& data);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">void</span> SolveVelocityConstraints(<span class="keyword">const</span> <a class="code" href="structb2_solver_data.html">b2SolverData</a>& data);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">bool</span> SolvePositionConstraints(<span class="keyword">const</span> <a class="code" href="structb2_solver_data.html">b2SolverData</a>& data);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Solver shared</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localAnchorA;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localAnchorB;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  float32 m_maxLength;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  float32 m_length;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  float32 m_impulse;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Solver temp</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  int32 m_indexA;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  int32 m_indexB;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_u;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_rA;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_rB;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localCenterA;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localCenterB;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  float32 m_invMassA;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  float32 m_invMassB;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  float32 m_invIA;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  float32 m_invIB;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  float32 m_mass;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  b2LimitState m_state;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> };</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classb2_rope_joint_html"><div class="ttname"><a href="classb2_rope_joint.html">b2RopeJoint</a></div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:58</div></div> <div class="ttc" id="classb2_rope_joint_html_ad0cceb363535d01293bc5e208017939c"><div class="ttname"><a href="classb2_rope_joint.html#ad0cceb363535d01293bc5e208017939c">b2RopeJoint::GetReactionForce</a></div><div class="ttdeci">b2Vec2 GetReactionForce(float32 inv_dt) const</div><div class="ttdoc">Get the reaction force on bodyB at the joint anchor in Newtons. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.cpp:206</div></div> <div class="ttc" id="classb2_rope_joint_html_a8a9b925c7ffa11d331ba369cc9fe2ac5"><div class="ttname"><a href="classb2_rope_joint.html#a8a9b925c7ffa11d331ba369cc9fe2ac5">b2RopeJoint::GetLocalAnchorB</a></div><div class="ttdeci">const b2Vec2 & GetLocalAnchorB() const</div><div class="ttdoc">The local anchor point relative to bodyB&#39;s origin. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:71</div></div> <div class="ttc" id="classb2_rope_joint_html_aa019393d576f6f2372fd601dc9190b49"><div class="ttname"><a href="classb2_rope_joint.html#aa019393d576f6f2372fd601dc9190b49">b2RopeJoint::GetReactionTorque</a></div><div class="ttdeci">float32 GetReactionTorque(float32 inv_dt) const</div><div class="ttdoc">Get the reaction torque on bodyB in N*m. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.cpp:212</div></div> <div class="ttc" id="classb2_joint_html"><div class="ttname"><a href="classb2_joint.html">b2Joint</a></div><div class="ttdef"><b>Definition:</b> b2Joint.h:103</div></div> <div class="ttc" id="classb2_rope_joint_html_a4612dca9851a66701893a48d896dbd14"><div class="ttname"><a href="classb2_rope_joint.html#a4612dca9851a66701893a48d896dbd14">b2RopeJoint::Dump</a></div><div class="ttdeci">void Dump()</div><div class="ttdoc">Dump joint to dmLog. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.cpp:228</div></div> <div class="ttc" id="structb2_rope_joint_def_html_a6efdcae22e2bdcfc3aae62da1a5f0d69"><div class="ttname"><a href="structb2_rope_joint_def.html#a6efdcae22e2bdcfc3aae62da1a5f0d69">b2RopeJointDef::maxLength</a></div><div class="ttdeci">float32 maxLength</div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:47</div></div> <div class="ttc" id="structb2_vec2_html_a4d61640a645e470a50b451307d8e94c3"><div class="ttname"><a href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">b2Vec2::Set</a></div><div class="ttdeci">void Set(float32 x_, float32 y_)</div><div class="ttdoc">Set this vector to some specified coordinates. </div><div class="ttdef"><b>Definition:</b> b2Math.h:65</div></div> <div class="ttc" id="classb2_rope_joint_html_a5fb600991e676e61e266ecb99448bb86"><div class="ttname"><a href="classb2_rope_joint.html#a5fb600991e676e61e266ecb99448bb86">b2RopeJoint::GetLocalAnchorA</a></div><div class="ttdeci">const b2Vec2 & GetLocalAnchorA() const</div><div class="ttdoc">The local anchor point relative to bodyA&#39;s origin. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:68</div></div> <div class="ttc" id="structb2_joint_def_html_a470f2879b24adb05facbd49f338856fb"><div class="ttname"><a href="structb2_joint_def.html#a470f2879b24adb05facbd49f338856fb">b2JointDef::type</a></div><div class="ttdeci">b2JointType type</div><div class="ttdoc">The joint type is set automatically for concrete joint types. </div><div class="ttdef"><b>Definition:</b> b2Joint.h:86</div></div> <div class="ttc" id="structb2_solver_data_html"><div class="ttname"><a href="structb2_solver_data.html">b2SolverData</a></div><div class="ttdoc">Solver Data. </div><div class="ttdef"><b>Definition:</b> b2TimeStep.h:63</div></div> <div class="ttc" id="structb2_joint_def_html"><div class="ttname"><a href="structb2_joint_def.html">b2JointDef</a></div><div class="ttdoc">Joint definitions are used to construct joints. </div><div class="ttdef"><b>Definition:</b> b2Joint.h:74</div></div> <div class="ttc" id="classb2_rope_joint_html_a7e1f65c2bd7c65e4143f9dbfe19bf990"><div class="ttname"><a href="classb2_rope_joint.html#a7e1f65c2bd7c65e4143f9dbfe19bf990">b2RopeJoint::GetAnchorA</a></div><div class="ttdeci">b2Vec2 GetAnchorA() const</div><div class="ttdoc">Get the anchor point on bodyA in world coordinates. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.cpp:196</div></div> <div class="ttc" id="classb2_rope_joint_html_a1b39fa80270b2337103764a837856f03"><div class="ttname"><a href="classb2_rope_joint.html#a1b39fa80270b2337103764a837856f03">b2RopeJoint::GetAnchorB</a></div><div class="ttdeci">b2Vec2 GetAnchorB() const</div><div class="ttdoc">Get the anchor point on bodyB in world coordinates. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.cpp:201</div></div> <div class="ttc" id="classb2_rope_joint_html_a92cea201d21acd2f2a7cc9b00e165848"><div class="ttname"><a href="classb2_rope_joint.html#a92cea201d21acd2f2a7cc9b00e165848">b2RopeJoint::SetMaxLength</a></div><div class="ttdeci">void SetMaxLength(float32 length)</div><div class="ttdoc">Set/Get the maximum length of the rope. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:74</div></div> <div class="ttc" id="structb2_rope_joint_def_html"><div class="ttname"><a href="structb2_rope_joint_def.html">b2RopeJointDef</a></div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:28</div></div> <div class="ttc" id="structb2_vec2_html"><div class="ttname"><a href="structb2_vec2.html">b2Vec2</a></div><div class="ttdoc">A 2D column vector. </div><div class="ttdef"><b>Definition:</b> b2Math.h:53</div></div> <div class="ttc" id="structb2_rope_joint_def_html_a3271da0e4027e25546aa6a81e8fbe4e2"><div class="ttname"><a href="structb2_rope_joint_def.html#a3271da0e4027e25546aa6a81e8fbe4e2">b2RopeJointDef::localAnchorB</a></div><div class="ttdeci">b2Vec2 localAnchorB</div><div class="ttdoc">The local anchor point relative to bodyB&#39;s origin. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:42</div></div> <div class="ttc" id="structb2_rope_joint_def_html_ab680fcc3cd44741a7a824ddff86ff01e"><div class="ttname"><a href="structb2_rope_joint_def.html#ab680fcc3cd44741a7a824ddff86ff01e">b2RopeJointDef::localAnchorA</a></div><div class="ttdeci">b2Vec2 localAnchorA</div><div class="ttdoc">The local anchor point relative to bodyA&#39;s origin. </div><div class="ttdef"><b>Definition:</b> b2RopeJoint.h:39</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Fri Sep 21 2018 22:35:06 for Box2D by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>