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 <span id="projectnumber">2.3.0</span>
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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> </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) 2006-2011 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_TIME_STEP_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define B2_TIME_STEP_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/Common/b2Math.h></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structb2_profile.html"> 25</a></span> <span class="keyword">struct </span><a class="code" href="structb2_profile.html">b2Profile</a></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  float32 step;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  float32 collide;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  float32 solve;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  float32 solveInit;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  float32 solveVelocity;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  float32 solvePosition;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  float32 broadphase;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  float32 solveTOI;</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="l00038"></a><span class="lineno"><a class="line" href="structb2_time_step.html"> 38</a></span> <span class="keyword">struct </span><a class="code" href="structb2_time_step.html">b2TimeStep</a></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  float32 dt; <span class="comment">// time step</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  float32 inv_dt; <span class="comment">// inverse time step (0 if dt == 0).</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  float32 dtRatio; <span class="comment">// dt * inv_dt0</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  int32 velocityIterations;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  int32 positionIterations;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">bool</span> warmStarting;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> };</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structb2_position.html"> 49</a></span> <span class="keyword">struct </span><a class="code" href="structb2_position.html">b2Position</a></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> c;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  float32 a;</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="l00056"></a><span class="lineno"><a class="line" href="structb2_velocity.html"> 56</a></span> <span class="keyword">struct </span><a class="code" href="structb2_velocity.html">b2Velocity</a></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="structb2_vec2.html">b2Vec2</a> v;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  float32 w;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structb2_solver_data.html"> 63</a></span> <span class="keyword">struct </span><a class="code" href="structb2_solver_data.html">b2SolverData</a></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="structb2_time_step.html">b2TimeStep</a> step;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="structb2_position.html">b2Position</a>* positions;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="structb2_velocity.html">b2Velocity</a>* velocities;</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> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structb2_profile_html"><div class="ttname"><a href="structb2_profile.html">b2Profile</a></div><div class="ttdoc">Profiling data. Times are in milliseconds. </div><div class="ttdef"><b>Definition:</b> b2TimeStep.h:25</div></div>
<div class="ttc" id="structb2_position_html"><div class="ttname"><a href="structb2_position.html">b2Position</a></div><div class="ttdoc">This is an internal structure. </div><div class="ttdef"><b>Definition:</b> b2TimeStep.h:49</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_time_step_html"><div class="ttname"><a href="structb2_time_step.html">b2TimeStep</a></div><div class="ttdoc">This is an internal structure. </div><div class="ttdef"><b>Definition:</b> b2TimeStep.h:38</div></div>
<div class="ttc" id="structb2_velocity_html"><div class="ttname"><a href="structb2_velocity.html">b2Velocity</a></div><div class="ttdoc">This is an internal structure. </div><div class="ttdef"><b>Definition:</b> b2TimeStep.h:56</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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