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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_DISTANCE_JOINT_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define B2_DISTANCE_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="l00030"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html"> 30</a></span> <span class="keyword">struct </span><a class="code" href="structb2_distance_joint_def.html">b2DistanceJointDef</a> : <span class="keyword">public</span> <a class="code" href="structb2_joint_def.html">b2JointDef</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_distance_joint_def.html">b2DistanceJointDef</a>()</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="structb2_joint_def.html#a470f2879b24adb05facbd49f338856fb">type</a> = e_distanceJoint;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="structb2_distance_joint_def.html#a15c7a75fa277e2056bf1b44198658518">localAnchorA</a>.<a class="code" href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">Set</a>(0.0f, 0.0f);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="structb2_distance_joint_def.html#a3c8995be726238eee084af750442255c">localAnchorB</a>.<a class="code" href="structb2_vec2.html#a4d61640a645e470a50b451307d8e94c3">Set</a>(0.0f, 0.0f);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="structb2_distance_joint_def.html#ac2c48ad52de91c804c386c12c5bf3714">length</a> = 1.0f;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="structb2_distance_joint_def.html#a35e2362bcb6c58734f95d0ac045863ea">frequencyHz</a> = 0.0f;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="structb2_distance_joint_def.html#ad009b24ff211158eb4e1db4815a63b94">dampingRatio</a> = 0.0f;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">void</span> <a class="code" href="structb2_distance_joint_def.html#a99788a534638cc28cd1e44e0036503f0">Initialize</a>(<a class="code" href="classb2_body.html">b2Body</a>* <a class="code" href="structb2_joint_def.html#a8cd54c93da396be75a9788f2c6897f05">bodyA</a>, <a class="code" href="classb2_body.html">b2Body</a>* <a class="code" href="structb2_joint_def.html#aa4f4dee2fbcd12187b19506b60e68e3d">bodyB</a>,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& anchorA, <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& anchorB);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html#a15c7a75fa277e2056bf1b44198658518"> 48</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_distance_joint_def.html#a15c7a75fa277e2056bf1b44198658518">localAnchorA</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html#a3c8995be726238eee084af750442255c"> 51</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_distance_joint_def.html#a3c8995be726238eee084af750442255c">localAnchorB</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html#ac2c48ad52de91c804c386c12c5bf3714"> 54</a></span>  float32 <a class="code" href="structb2_distance_joint_def.html#ac2c48ad52de91c804c386c12c5bf3714">length</a>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html#a35e2362bcb6c58734f95d0ac045863ea"> 58</a></span>  float32 <a class="code" href="structb2_distance_joint_def.html#a35e2362bcb6c58734f95d0ac045863ea">frequencyHz</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structb2_distance_joint_def.html#ad009b24ff211158eb4e1db4815a63b94"> 61</a></span>  float32 <a class="code" href="structb2_distance_joint_def.html#ad009b24ff211158eb4e1db4815a63b94">dampingRatio</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> };</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html"> 67</a></span> <span class="keyword">class </span><a class="code" href="classb2_distance_joint.html">b2DistanceJoint</a> : <span class="keyword">public</span> <a class="code" href="classb2_joint.html">b2Joint</a></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</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_distance_joint.html#ab3551807ecc5582a12ac7d99cb4e5ac8">GetAnchorA</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_distance_joint.html#abaf96d12914a797fd439e5f7f232f5b4">GetAnchorB</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="classb2_distance_joint.html#ae396ea13a9df2c47a267151c67b3d4fe">GetReactionForce</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  float32 <a class="code" href="classb2_distance_joint.html#ab62694b1ed44d3d66f19c42be94068ad">GetReactionTorque</a>(float32 inv_dt) <span class="keyword">const</span>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html#aaa881128071c62f21898a75d5b20308a"> 83</a></span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="classb2_distance_joint.html#aaa881128071c62f21898a75d5b20308a">GetLocalAnchorA</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_localAnchorA; }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html#a214a1cca8854613d7401c9a5892a28c9"> 86</a></span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="classb2_distance_joint.html#a214a1cca8854613d7401c9a5892a28c9">GetLocalAnchorB</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_localAnchorB; }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a950a0f187ef691208e50de40ed9223fe">SetLength</a>(float32 length);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  float32 GetLength() <span class="keyword">const</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a1a12446f8926a1324edd481d9cd28c8a">SetFrequency</a>(float32 hz);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  float32 GetFrequency() <span class="keyword">const</span>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a58da61301a1f1398a715107b76649923">SetDampingRatio</a>(float32 ratio);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  float32 GetDampingRatio() <span class="keyword">const</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a3cebcc6ccce6f3c24432cd130fd53517">Dump</a>();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</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="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classb2_distance_joint.html">b2DistanceJoint</a>(<span class="keyword">const</span> <a class="code" href="structb2_distance_joint_def.html">b2DistanceJointDef</a>* data);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</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="l00110"></a><span class="lineno"> 110</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="l00111"></a><span class="lineno"> 111</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="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  float32 m_frequencyHz;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  float32 m_dampingRatio;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  float32 m_bias;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Solver shared</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localAnchorA;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localAnchorB;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  float32 m_gamma;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  float32 m_impulse;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  float32 m_length;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Solver temp</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  int32 m_indexA;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  int32 m_indexB;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_u;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_rA;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_rB;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localCenterA;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_localCenterB;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  float32 m_invMassA;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  float32 m_invMassB;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  float32 m_invIA;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  float32 m_invIB;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  float32 m_mass;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> };</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html#a950a0f187ef691208e50de40ed9223fe"> 139</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a950a0f187ef691208e50de40ed9223fe">b2DistanceJoint::SetLength</a>(float32 length)</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  m_length = length;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">inline</span> float32 b2DistanceJoint::GetLength()<span class="keyword"> const</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"></span>{</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> m_length;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html#a1a12446f8926a1324edd481d9cd28c8a"> 149</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a1a12446f8926a1324edd481d9cd28c8a">b2DistanceJoint::SetFrequency</a>(float32 hz)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  m_frequencyHz = hz;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">inline</span> float32 b2DistanceJoint::GetFrequency()<span class="keyword"> const</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword"></span>{</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> m_frequencyHz;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classb2_distance_joint.html#a58da61301a1f1398a715107b76649923"> 159</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classb2_distance_joint.html#a58da61301a1f1398a715107b76649923">b2DistanceJoint::SetDampingRatio</a>(float32 ratio)</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  m_dampingRatio = ratio;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">inline</span> float32 b2DistanceJoint::GetDampingRatio()<span class="keyword"> const</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword"></span>{</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> m_dampingRatio;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classb2_distance_joint_html_aaa881128071c62f21898a75d5b20308a"><div class="ttname"><a href="classb2_distance_joint.html#aaa881128071c62f21898a75d5b20308a">b2DistanceJoint::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> b2DistanceJoint.h:83</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_a99788a534638cc28cd1e44e0036503f0"><div class="ttname"><a href="structb2_distance_joint_def.html#a99788a534638cc28cd1e44e0036503f0">b2DistanceJointDef::Initialize</a></div><div class="ttdeci">void Initialize(b2Body *bodyA, b2Body *bodyB, const b2Vec2 &anchorA, const b2Vec2 &anchorB)</div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.cpp:38</div></div>
<div class="ttc" id="classb2_distance_joint_html_abaf96d12914a797fd439e5f7f232f5b4"><div class="ttname"><a href="classb2_distance_joint.html#abaf96d12914a797fd439e5f7f232f5b4">b2DistanceJoint::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> b2DistanceJoint.cpp:228</div></div>
<div class="ttc" id="structb2_joint_def_html_a8cd54c93da396be75a9788f2c6897f05"><div class="ttname"><a href="structb2_joint_def.html#a8cd54c93da396be75a9788f2c6897f05">b2JointDef::bodyA</a></div><div class="ttdeci">b2Body * bodyA</div><div class="ttdoc">The first attached body. </div><div class="ttdef"><b>Definition:</b> b2Joint.h:92</div></div>
<div class="ttc" id="classb2_distance_joint_html_a214a1cca8854613d7401c9a5892a28c9"><div class="ttname"><a href="classb2_distance_joint.html#a214a1cca8854613d7401c9a5892a28c9">b2DistanceJoint::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> b2DistanceJoint.h:86</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_a15c7a75fa277e2056bf1b44198658518"><div class="ttname"><a href="structb2_distance_joint_def.html#a15c7a75fa277e2056bf1b44198658518">b2DistanceJointDef::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> b2DistanceJoint.h:48</div></div>
<div class="ttc" id="structb2_joint_def_html_aa4f4dee2fbcd12187b19506b60e68e3d"><div class="ttname"><a href="structb2_joint_def.html#aa4f4dee2fbcd12187b19506b60e68e3d">b2JointDef::bodyB</a></div><div class="ttdeci">b2Body * bodyB</div><div class="ttdoc">The second attached body. </div><div class="ttdef"><b>Definition:</b> b2Joint.h:95</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_distance_joint_html_ab3551807ecc5582a12ac7d99cb4e5ac8"><div class="ttname"><a href="classb2_distance_joint.html#ab3551807ecc5582a12ac7d99cb4e5ac8">b2DistanceJoint::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> b2DistanceJoint.cpp:223</div></div>
<div class="ttc" id="classb2_distance_joint_html_a950a0f187ef691208e50de40ed9223fe"><div class="ttname"><a href="classb2_distance_joint.html#a950a0f187ef691208e50de40ed9223fe">b2DistanceJoint::SetLength</a></div><div class="ttdeci">void SetLength(float32 length)</div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:139</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="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="classb2_distance_joint_html_ab62694b1ed44d3d66f19c42be94068ad"><div class="ttname"><a href="classb2_distance_joint.html#ab62694b1ed44d3d66f19c42be94068ad">b2DistanceJoint::GetReactionTorque</a></div><div class="ttdeci">float32 GetReactionTorque(float32 inv_dt) const</div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.cpp:239</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_distance_joint_html_a3cebcc6ccce6f3c24432cd130fd53517"><div class="ttname"><a href="classb2_distance_joint.html#a3cebcc6ccce6f3c24432cd130fd53517">b2DistanceJoint::Dump</a></div><div class="ttdeci">void Dump()</div><div class="ttdoc">Dump joint to dmLog. </div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.cpp:245</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_ac2c48ad52de91c804c386c12c5bf3714"><div class="ttname"><a href="structb2_distance_joint_def.html#ac2c48ad52de91c804c386c12c5bf3714">b2DistanceJointDef::length</a></div><div class="ttdeci">float32 length</div><div class="ttdoc">The natural length between the anchor points. </div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:54</div></div>
<div class="ttc" id="classb2_distance_joint_html"><div class="ttname"><a href="classb2_distance_joint.html">b2DistanceJoint</a></div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:67</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_a35e2362bcb6c58734f95d0ac045863ea"><div class="ttname"><a href="structb2_distance_joint_def.html#a35e2362bcb6c58734f95d0ac045863ea">b2DistanceJointDef::frequencyHz</a></div><div class="ttdeci">float32 frequencyHz</div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:58</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_body_html"><div class="ttname"><a href="classb2_body.html">b2Body</a></div><div class="ttdoc">A rigid body. These are created via b2World::CreateBody. </div><div class="ttdef"><b>Definition:</b> b2Body.h:126</div></div>
<div class="ttc" id="structb2_distance_joint_def_html"><div class="ttname"><a href="structb2_distance_joint_def.html">b2DistanceJointDef</a></div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:30</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_ad009b24ff211158eb4e1db4815a63b94"><div class="ttname"><a href="structb2_distance_joint_def.html#ad009b24ff211158eb4e1db4815a63b94">b2DistanceJointDef::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> b2DistanceJoint.h:61</div></div>
<div class="ttc" id="classb2_distance_joint_html_a58da61301a1f1398a715107b76649923"><div class="ttname"><a href="classb2_distance_joint.html#a58da61301a1f1398a715107b76649923">b2DistanceJoint::SetDampingRatio</a></div><div class="ttdeci">void SetDampingRatio(float32 ratio)</div><div class="ttdoc">Set/get damping ratio. </div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:159</div></div>
<div class="ttc" id="structb2_distance_joint_def_html_a3c8995be726238eee084af750442255c"><div class="ttname"><a href="structb2_distance_joint_def.html#a3c8995be726238eee084af750442255c">b2DistanceJointDef::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> b2DistanceJoint.h:51</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_distance_joint_html_a1a12446f8926a1324edd481d9cd28c8a"><div class="ttname"><a href="classb2_distance_joint.html#a1a12446f8926a1324edd481d9cd28c8a">b2DistanceJoint::SetFrequency</a></div><div class="ttdeci">void SetFrequency(float32 hz)</div><div class="ttdoc">Set/get frequency in Hz. </div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.h:149</div></div>
<div class="ttc" id="classb2_distance_joint_html_ae396ea13a9df2c47a267151c67b3d4fe"><div class="ttname"><a href="classb2_distance_joint.html#ae396ea13a9df2c47a267151c67b3d4fe">b2DistanceJoint::GetReactionForce</a></div><div class="ttdeci">b2Vec2 GetReactionForce(float32 inv_dt) const</div><div class="ttdef"><b>Definition:</b> b2DistanceJoint.cpp:233</div></div>
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