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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_f938a2b4566b4bd7e1dc8e6edc30956c.html">Collision</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">* This software is provided 'as-is', without any express or implied</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* warranty. In no event will the authors be held liable for any damages</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* arising from the use of this software.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* Permission is granted to anyone to use this software for any purpose,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* including commercial applications, and to alter it and redistribute it</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">* freely, subject to the following restrictions:</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* 1. The origin of this software must not be misrepresented; you must not</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">* claim that you wrote the original software. If you use this software</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* in a product, an acknowledgment in the product documentation would be</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* appreciated but is not required.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</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="l00016"></a><span class="lineno"> 16</span> <span class="comment">* misrepresented as being the original software.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">* 3. This notice may not be removed or altered from any source distribution.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">*/</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef B2_DISTANCE_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define B2_DISTANCE_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <Box2D/Common/b2Math.h></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">class </span><a class="code" href="classb2_shape.html">b2Shape</a>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structb2_distance_proxy.html"> 29</a></span> <span class="keyword">struct </span><a class="code" href="structb2_distance_proxy.html">b2DistanceProxy</a></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="structb2_distance_proxy.html">b2DistanceProxy</a>() : m_vertices(NULL), m_count(0), m_radius(0.0f) {}</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">void</span> <a class="code" href="structb2_distance_proxy.html#a80a59a9c9e952482a8fc6db4b883365d">Set</a>(<span class="keyword">const</span> <a class="code" href="classb2_shape.html">b2Shape</a>* shape, int32 index);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  int32 <a class="code" href="structb2_distance_proxy.html#a39de286cc0c1e829adfacfa0061b04f2">GetSupport</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& d) <span class="keyword">const</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="structb2_distance_proxy.html#a245993f09e9f3d3f374bb95041acf822">GetSupportVertex</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& d) <span class="keyword">const</span>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  int32 <a class="code" href="structb2_distance_proxy.html#a99c461f28d484429dac8f14b58f63d89">GetVertexCount</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="structb2_distance_proxy.html#a9073b2c680d3fee6399f15be79ad144a">GetVertex</a>(int32 index) <span class="keyword">const</span>;</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>  <a class="code" href="structb2_vec2.html">b2Vec2</a> m_buffer[2];</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>* m_vertices;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  int32 m_count;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  float32 m_radius;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structb2_simplex_cache.html"> 57</a></span> <span class="keyword">struct </span><a class="code" href="structb2_simplex_cache.html">b2SimplexCache</a></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structb2_simplex_cache.html#a018e0a500b417d79bfed3f21310b15a2"> 59</a></span>  float32 <a class="code" href="structb2_simplex_cache.html#a018e0a500b417d79bfed3f21310b15a2">metric</a>; </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  uint16 count;</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structb2_simplex_cache.html#ab574159e69dda7e14ead8de848ca6b67"> 61</a></span>  uint8 <a class="code" href="structb2_simplex_cache.html#ab574159e69dda7e14ead8de848ca6b67">indexA</a>[3]; </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structb2_simplex_cache.html#ab7586465ee2c5f7c3bdd8f80d5e256a7"> 62</a></span>  uint8 <a class="code" href="structb2_simplex_cache.html#ab7586465ee2c5f7c3bdd8f80d5e256a7">indexB</a>[3]; </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> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structb2_distance_input.html"> 68</a></span> <span class="keyword">struct </span><a class="code" href="structb2_distance_input.html">b2DistanceInput</a></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="structb2_distance_proxy.html">b2DistanceProxy</a> proxyA;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="structb2_distance_proxy.html">b2DistanceProxy</a> proxyB;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structb2_transform.html">b2Transform</a> transformA;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="structb2_transform.html">b2Transform</a> transformB;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> useRadii;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> };</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structb2_distance_output.html"> 78</a></span> <span class="keyword">struct </span><a class="code" href="structb2_distance_output.html">b2DistanceOutput</a></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structb2_distance_output.html#a7e0f1f44a64e596dc7d37570c69eefce"> 80</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_distance_output.html#a7e0f1f44a64e596dc7d37570c69eefce">pointA</a>; </div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structb2_distance_output.html#aa85beca17337a506cd4a924d0c6f92cc"> 81</a></span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> <a class="code" href="structb2_distance_output.html#aa85beca17337a506cd4a924d0c6f92cc">pointB</a>; </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  float32 distance;</div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="structb2_distance_output.html#ae2d4c84dd3d05ea4f4d20c91099ec8d5"> 83</a></span>  int32 <a class="code" href="structb2_distance_output.html#ae2d4c84dd3d05ea4f4d20c91099ec8d5">iterations</a>; </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> };</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">void</span> b2Distance(<a class="code" href="structb2_distance_output.html">b2DistanceOutput</a>* output,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="structb2_simplex_cache.html">b2SimplexCache</a>* cache, </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <a class="code" href="structb2_distance_input.html">b2DistanceInput</a>* input);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="structb2_distance_proxy.html#a99c461f28d484429dac8f14b58f63d89"> 96</a></span> <span class="keyword">inline</span> int32 <a class="code" href="structb2_distance_proxy.html#a99c461f28d484429dac8f14b58f63d89">b2DistanceProxy::GetVertexCount</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"></span>{</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> m_count;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="structb2_distance_proxy.html#a9073b2c680d3fee6399f15be79ad144a"> 101</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="structb2_distance_proxy.html#a9073b2c680d3fee6399f15be79ad144a">b2DistanceProxy::GetVertex</a>(int32 index)<span class="keyword"> const</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword"></span>{</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  b2Assert(0 <= index && index < m_count);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> m_vertices[index];</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> </div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structb2_distance_proxy.html#a39de286cc0c1e829adfacfa0061b04f2"> 107</a></span> <span class="keyword">inline</span> int32 <a class="code" href="structb2_distance_proxy.html#a39de286cc0c1e829adfacfa0061b04f2">b2DistanceProxy::GetSupport</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& d)<span class="keyword"> const</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword"></span>{</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  int32 bestIndex = 0;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  float32 bestValue = b2Dot(m_vertices[0], d);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">for</span> (int32 i = 1; i < m_count; ++i)</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 value = b2Dot(m_vertices[i], d);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (value > bestValue)</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  bestIndex = i;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  bestValue = value;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> bestIndex;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="structb2_distance_proxy.html#a245993f09e9f3d3f374bb95041acf822"> 124</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& <a class="code" href="structb2_distance_proxy.html#a245993f09e9f3d3f374bb95041acf822">b2DistanceProxy::GetSupportVertex</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& d)<span class="keyword"> const</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword"></span>{</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  int32 bestIndex = 0;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  float32 bestValue = b2Dot(m_vertices[0], d);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span> (int32 i = 1; i < m_count; ++i)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  float32 value = b2Dot(m_vertices[i], d);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (value > bestValue)</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  bestIndex = i;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  bestValue = value;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</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>  <span class="keywordflow">return</span> m_vertices[bestIndex];</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</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> <span class="preprocessor">#endif</span></div><div class="ttc" id="structb2_transform_html"><div class="ttname"><a href="structb2_transform.html">b2Transform</a></div><div class="ttdef"><b>Definition:</b> b2Math.h:350</div></div>
<div class="ttc" id="structb2_simplex_cache_html_ab574159e69dda7e14ead8de848ca6b67"><div class="ttname"><a href="structb2_simplex_cache.html#ab574159e69dda7e14ead8de848ca6b67">b2SimplexCache::indexA</a></div><div class="ttdeci">uint8 indexA[3]</div><div class="ttdoc">vertices on shape A </div><div class="ttdef"><b>Definition:</b> b2Distance.h:61</div></div>
<div class="ttc" id="structb2_distance_output_html_a7e0f1f44a64e596dc7d37570c69eefce"><div class="ttname"><a href="structb2_distance_output.html#a7e0f1f44a64e596dc7d37570c69eefce">b2DistanceOutput::pointA</a></div><div class="ttdeci">b2Vec2 pointA</div><div class="ttdoc">closest point on shapeA </div><div class="ttdef"><b>Definition:</b> b2Distance.h:80</div></div>
<div class="ttc" id="structb2_distance_proxy_html_a9073b2c680d3fee6399f15be79ad144a"><div class="ttname"><a href="structb2_distance_proxy.html#a9073b2c680d3fee6399f15be79ad144a">b2DistanceProxy::GetVertex</a></div><div class="ttdeci">const b2Vec2 & GetVertex(int32 index) const</div><div class="ttdoc">Get a vertex by index. Used by b2Distance. </div><div class="ttdef"><b>Definition:</b> b2Distance.h:101</div></div>
<div class="ttc" id="structb2_distance_output_html_aa85beca17337a506cd4a924d0c6f92cc"><div class="ttname"><a href="structb2_distance_output.html#aa85beca17337a506cd4a924d0c6f92cc">b2DistanceOutput::pointB</a></div><div class="ttdeci">b2Vec2 pointB</div><div class="ttdoc">closest point on shapeB </div><div class="ttdef"><b>Definition:</b> b2Distance.h:81</div></div>
<div class="ttc" id="structb2_simplex_cache_html_a018e0a500b417d79bfed3f21310b15a2"><div class="ttname"><a href="structb2_simplex_cache.html#a018e0a500b417d79bfed3f21310b15a2">b2SimplexCache::metric</a></div><div class="ttdeci">float32 metric</div><div class="ttdoc">length or area </div><div class="ttdef"><b>Definition:</b> b2Distance.h:59</div></div>
<div class="ttc" id="structb2_distance_output_html_ae2d4c84dd3d05ea4f4d20c91099ec8d5"><div class="ttname"><a href="structb2_distance_output.html#ae2d4c84dd3d05ea4f4d20c91099ec8d5">b2DistanceOutput::iterations</a></div><div class="ttdeci">int32 iterations</div><div class="ttdoc">number of GJK iterations used </div><div class="ttdef"><b>Definition:</b> b2Distance.h:83</div></div>
<div class="ttc" id="classb2_shape_html"><div class="ttname"><a href="classb2_shape.html">b2Shape</a></div><div class="ttdef"><b>Definition:</b> b2Shape.h:42</div></div>
<div class="ttc" id="structb2_distance_proxy_html_a99c461f28d484429dac8f14b58f63d89"><div class="ttname"><a href="structb2_distance_proxy.html#a99c461f28d484429dac8f14b58f63d89">b2DistanceProxy::GetVertexCount</a></div><div class="ttdeci">int32 GetVertexCount() const</div><div class="ttdoc">Get the vertex count. </div><div class="ttdef"><b>Definition:</b> b2Distance.h:96</div></div>
<div class="ttc" id="structb2_simplex_cache_html_ab7586465ee2c5f7c3bdd8f80d5e256a7"><div class="ttname"><a href="structb2_simplex_cache.html#ab7586465ee2c5f7c3bdd8f80d5e256a7">b2SimplexCache::indexB</a></div><div class="ttdeci">uint8 indexB[3]</div><div class="ttdoc">vertices on shape B </div><div class="ttdef"><b>Definition:</b> b2Distance.h:62</div></div>
<div class="ttc" id="structb2_distance_input_html"><div class="ttname"><a href="structb2_distance_input.html">b2DistanceInput</a></div><div class="ttdef"><b>Definition:</b> b2Distance.h:68</div></div>
<div class="ttc" id="structb2_distance_output_html"><div class="ttname"><a href="structb2_distance_output.html">b2DistanceOutput</a></div><div class="ttdoc">Output for b2Distance. </div><div class="ttdef"><b>Definition:</b> b2Distance.h:78</div></div>
<div class="ttc" id="structb2_distance_proxy_html_a39de286cc0c1e829adfacfa0061b04f2"><div class="ttname"><a href="structb2_distance_proxy.html#a39de286cc0c1e829adfacfa0061b04f2">b2DistanceProxy::GetSupport</a></div><div class="ttdeci">int32 GetSupport(const b2Vec2 &d) const</div><div class="ttdoc">Get the supporting vertex index in the given direction. </div><div class="ttdef"><b>Definition:</b> b2Distance.h:107</div></div>
<div class="ttc" id="structb2_distance_proxy_html"><div class="ttname"><a href="structb2_distance_proxy.html">b2DistanceProxy</a></div><div class="ttdef"><b>Definition:</b> b2Distance.h:29</div></div>
<div class="ttc" id="structb2_simplex_cache_html"><div class="ttname"><a href="structb2_simplex_cache.html">b2SimplexCache</a></div><div class="ttdef"><b>Definition:</b> b2Distance.h:57</div></div>
<div class="ttc" id="structb2_distance_proxy_html_a80a59a9c9e952482a8fc6db4b883365d"><div class="ttname"><a href="structb2_distance_proxy.html#a80a59a9c9e952482a8fc6db4b883365d">b2DistanceProxy::Set</a></div><div class="ttdeci">void Set(const b2Shape *shape, int32 index)</div><div class="ttdef"><b>Definition:</b> b2Distance.cpp:28</div></div>
<div class="ttc" id="structb2_distance_proxy_html_a245993f09e9f3d3f374bb95041acf822"><div class="ttname"><a href="structb2_distance_proxy.html#a245993f09e9f3d3f374bb95041acf822">b2DistanceProxy::GetSupportVertex</a></div><div class="ttdeci">const b2Vec2 & GetSupportVertex(const b2Vec2 &d) const</div><div class="ttdoc">Get the supporting vertex in the given direction. </div><div class="ttdef"><b>Definition:</b> b2Distance.h:124</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>
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