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 <span id="projectnumber">2.3.0</span>
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<div id="projectbrief">A 2D Physics Engine for Games</div>
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<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>
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<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) 2006-2007 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_MOUSE_JOINT_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define B2_MOUSE_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="l00026"></a><span class="lineno"><a class="line" href="structb2_mouse_joint_def.html"> 26</a></span> <span class="keyword">struct </span><a class="code" href="structb2_mouse_joint_def.html">b2MouseJointDef</a> : <span class="keyword">public</span> <a class="code" href="structb2_joint_def.html">b2JointDef</a></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="structb2_mouse_joint_def.html">b2MouseJointDef</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_joint_def.html#a470f2879b24adb05facbd49f338856fb">type</a> = e_mouseJoint;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="structb2_mouse_joint_def.html#aa1b76f72df9aca8d42bdc3e9922e310a">target</a>.<a class="code" href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">Set</a>(0.0f, 0.0f);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="structb2_mouse_joint_def.html#ae9c52b3afda8ed006eb62fad163cdc3b">maxForce</a> = 0.0f;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="structb2_mouse_joint_def.html#a61e9017eb928608f75edddb6e0ca7f63">frequencyHz</a> = 5.0f;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="structb2_mouse_joint_def.html#aee42888dab204a5c5745ba61acbfb7d6">dampingRatio</a> = 0.7f;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structb2_mouse_joint_def.html#aa1b76f72df9aca8d42bdc3e9922e310a"> 39</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_mouse_joint_def.html#aa1b76f72df9aca8d42bdc3e9922e310a">target</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structb2_mouse_joint_def.html#ae9c52b3afda8ed006eb62fad163cdc3b"> 44</a></span>  float32 <a class="code" href="structb2_mouse_joint_def.html#ae9c52b3afda8ed006eb62fad163cdc3b">maxForce</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structb2_mouse_joint_def.html#a61e9017eb928608f75edddb6e0ca7f63"> 47</a></span>  float32 <a class="code" href="structb2_mouse_joint_def.html#a61e9017eb928608f75edddb6e0ca7f63">frequencyHz</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structb2_mouse_joint_def.html#aee42888dab204a5c5745ba61acbfb7d6"> 50</a></span>  float32 <a class="code" href="structb2_mouse_joint_def.html#aee42888dab204a5c5745ba61acbfb7d6">dampingRatio</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classb2_mouse_joint.html"> 60</a></span> <span class="keyword">class </span><a class="code" href="classb2_mouse_joint.html">b2MouseJoint</a> : <span class="keyword">public</span> <a class="code" href="classb2_joint.html">b2Joint</a></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_mouse_joint.html#af4a3b7278fbbc5801ce085d04cf48797">GetAnchorA</a>() <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"> 68</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_mouse_joint.html#a3e2f267a0a5999ea6a6d237ee67daf68">GetAnchorB</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_mouse_joint.html#aca2ad2685fbea1cf42d6cb01af2c05ab">GetReactionForce</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  float32 <a class="code" href="classb2_mouse_joint.html#ab9451aa75e8dc995bb5d32e6faf08d50">GetReactionTorque</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#a96f34c1c990407eddbadf07ae359b1f3">SetTarget</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& target);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& GetTarget() <span class="keyword">const</span>;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#a4beba6ea0827960fac2474563591c03a">SetMaxForce</a>(float32 force);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  float32 GetMaxForce() <span class="keyword">const</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#a8b37706535923637ca280c5a0467b14d">SetFrequency</a>(float32 hz);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  float32 GetFrequency() <span class="keyword">const</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#a648c8f3ecb82f4887c0eefcfe48cbd37">SetDampingRatio</a>(float32 ratio);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  float32 GetDampingRatio() <span class="keyword">const</span>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classb2_mouse_joint.html#ae3d3a46a0032c0e50f346e7f7129617f"> 93</a></span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#ae3d3a46a0032c0e50f346e7f7129617f">Dump</a>() { <a class="code" href="b2_settings_8h.html#a9f10095d05c74eebfe535931c9061ab2">b2Log</a>(<span class="stringliteral">"Mouse joint dumping is not supported.\n"</span>); }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_mouse_joint.html#aa3c46b204aea79822dd6c6843c361801">ShiftOrigin</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& newOrigin);</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="keyword">protected</span>:</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</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="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classb2_mouse_joint.html">b2MouseJoint</a>(<span class="keyword">const</span> <a class="code" href="structb2_mouse_joint_def.html">b2MouseJointDef</a>* def);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</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="l00104"></a><span class="lineno"> 104</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="l00105"></a><span class="lineno"> 105</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="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localAnchorB;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_targetA;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  float32 m_frequencyHz;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  float32 m_dampingRatio;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  float32 m_beta;</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>  <span class="comment">// Solver shared</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_impulse;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  float32 m_maxForce;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  float32 m_gamma;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Solver temp</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  int32 m_indexA;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  int32 m_indexB;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_rB;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localCenterB;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  float32 m_invMassB;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  float32 m_invIB;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="structb2_mat22.html">b2Mat22</a> m_mass;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_C;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> };</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classb2_mouse_joint_html_a3e2f267a0a5999ea6a6d237ee67daf68"><div class="ttname"><a href="classb2_mouse_joint.html#a3e2f267a0a5999ea6a6d237ee67daf68">b2MouseJoint::GetAnchorB</a></div><div class="ttdeci">b2Vec2 GetAnchorB() const</div><div class="ttdoc">Implements b2Joint. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:204</div></div>
<div class="ttc" id="b2_settings_8h_html_a9f10095d05c74eebfe535931c9061ab2"><div class="ttname"><a href="b2_settings_8h.html#a9f10095d05c74eebfe535931c9061ab2">b2Log</a></div><div class="ttdeci">void b2Log(const char *string,...)</div><div class="ttdoc">Logging function. </div><div class="ttdef"><b>Definition:</b> b2Settings.cpp:38</div></div>
<div class="ttc" id="structb2_mouse_joint_def_html_ae9c52b3afda8ed006eb62fad163cdc3b"><div class="ttname"><a href="structb2_mouse_joint_def.html#ae9c52b3afda8ed006eb62fad163cdc3b">b2MouseJointDef::maxForce</a></div><div class="ttdeci">float32 maxForce</div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:44</div></div>
<div class="ttc" id="classb2_mouse_joint_html_ab9451aa75e8dc995bb5d32e6faf08d50"><div class="ttname"><a href="classb2_mouse_joint.html#ab9451aa75e8dc995bb5d32e6faf08d50">b2MouseJoint::GetReactionTorque</a></div><div class="ttdeci">float32 GetReactionTorque(float32 inv_dt) const</div><div class="ttdoc">Implements b2Joint. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:214</div></div>
<div class="ttc" id="structb2_mouse_joint_def_html_aee42888dab204a5c5745ba61acbfb7d6"><div class="ttname"><a href="structb2_mouse_joint_def.html#aee42888dab204a5c5745ba61acbfb7d6">b2MouseJointDef::dampingRatio</a></div><div class="ttdeci">float32 dampingRatio</div><div class="ttdoc">The damping ratio. 0 = no damping, 1 = critical damping. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:50</div></div>
<div class="ttc" id="classb2_mouse_joint_html_a648c8f3ecb82f4887c0eefcfe48cbd37"><div class="ttname"><a href="classb2_mouse_joint.html#a648c8f3ecb82f4887c0eefcfe48cbd37">b2MouseJoint::SetDampingRatio</a></div><div class="ttdeci">void SetDampingRatio(float32 ratio)</div><div class="ttdoc">Set/get the damping ratio (dimensionless). </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:86</div></div>
<div class="ttc" id="structb2_mouse_joint_def_html_aa1b76f72df9aca8d42bdc3e9922e310a"><div class="ttname"><a href="structb2_mouse_joint_def.html#aa1b76f72df9aca8d42bdc3e9922e310a">b2MouseJointDef::target</a></div><div class="ttdeci">b2Vec2 target</div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:39</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_mouse_joint_html_aca2ad2685fbea1cf42d6cb01af2c05ab"><div class="ttname"><a href="classb2_mouse_joint.html#aca2ad2685fbea1cf42d6cb01af2c05ab">b2MouseJoint::GetReactionForce</a></div><div class="ttdeci">b2Vec2 GetReactionForce(float32 inv_dt) const</div><div class="ttdoc">Implements b2Joint. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:209</div></div>
<div class="ttc" id="classb2_mouse_joint_html_ae3d3a46a0032c0e50f346e7f7129617f"><div class="ttname"><a href="classb2_mouse_joint.html#ae3d3a46a0032c0e50f346e7f7129617f">b2MouseJoint::Dump</a></div><div class="ttdeci">void Dump()</div><div class="ttdoc">The mouse joint does not support dumping. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:93</div></div>
<div class="ttc" id="classb2_mouse_joint_html"><div class="ttname"><a href="classb2_mouse_joint.html">b2MouseJoint</a></div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:60</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_mouse_joint_html_aa3c46b204aea79822dd6c6843c361801"><div class="ttname"><a href="classb2_mouse_joint.html#aa3c46b204aea79822dd6c6843c361801">b2MouseJoint::ShiftOrigin</a></div><div class="ttdeci">void ShiftOrigin(const b2Vec2 &newOrigin)</div><div class="ttdoc">Implement b2Joint::ShiftOrigin. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:219</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="classb2_mouse_joint_html_a4beba6ea0827960fac2474563591c03a"><div class="ttname"><a href="classb2_mouse_joint.html#a4beba6ea0827960fac2474563591c03a">b2MouseJoint::SetMaxForce</a></div><div class="ttdeci">void SetMaxForce(float32 force)</div><div class="ttdoc">Set/get the maximum force in Newtons. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:66</div></div>
<div class="ttc" id="structb2_mat22_html"><div class="ttname"><a href="structb2_mat22.html">b2Mat22</a></div><div class="ttdoc">A 2-by-2 matrix. Stored in column-major order. </div><div class="ttdef"><b>Definition:</b> b2Math.h:183</div></div>
<div class="ttc" id="classb2_mouse_joint_html_a8b37706535923637ca280c5a0467b14d"><div class="ttname"><a href="classb2_mouse_joint.html#a8b37706535923637ca280c5a0467b14d">b2MouseJoint::SetFrequency</a></div><div class="ttdeci">void SetFrequency(float32 hz)</div><div class="ttdoc">Set/get the frequency in Hertz. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:76</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="structb2_mouse_joint_def_html_a61e9017eb928608f75edddb6e0ca7f63"><div class="ttname"><a href="structb2_mouse_joint_def.html#a61e9017eb928608f75edddb6e0ca7f63">b2MouseJointDef::frequencyHz</a></div><div class="ttdeci">float32 frequencyHz</div><div class="ttdoc">The response speed. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:47</div></div>
<div class="ttc" id="structb2_mouse_joint_def_html"><div class="ttname"><a href="structb2_mouse_joint_def.html">b2MouseJointDef</a></div><div class="ttdef"><b>Definition:</b> b2MouseJoint.h:26</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="classb2_mouse_joint_html_a96f34c1c990407eddbadf07ae359b1f3"><div class="ttname"><a href="classb2_mouse_joint.html#a96f34c1c990407eddbadf07ae359b1f3">b2MouseJoint::SetTarget</a></div><div class="ttdeci">void SetTarget(const b2Vec2 &target)</div><div class="ttdoc">Use this to update the target point. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:52</div></div>
<div class="ttc" id="classb2_mouse_joint_html_af4a3b7278fbbc5801ce085d04cf48797"><div class="ttname"><a href="classb2_mouse_joint.html#af4a3b7278fbbc5801ce085d04cf48797">b2MouseJoint::GetAnchorA</a></div><div class="ttdeci">b2Vec2 GetAnchorA() const</div><div class="ttdoc">Implements b2Joint. </div><div class="ttdef"><b>Definition:</b> b2MouseJoint.cpp:199</div></div>
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