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<div id="projectname">YAGE
 <span id="projectnumber">v0.1.1</span>
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<div id="projectbrief">Yet Another Game Engine</div>
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<a href="body_8h.html">Go to the documentation of this file.</a><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"> * body.h</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"> * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * See file LICENSE for more details</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * ----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef YAGE_PHYSICS_BODY_H</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"></span><span class="preprocessor">#define YAGE_PHYSICS_BODY_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <<a class="code" href="matrix_8h.html">math/matrix.h</a>></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>yage</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html"> 17</a></span> <span class="keyword">class </span><a class="code" href="classyage_1_1Body.html">Body</a></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="keyword">public</span>:</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="comment">// gravity constant</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a4f61913cf00244a6160e09cda846f766"> 21</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classyage_1_1Body.html#a4f61913cf00244a6160e09cda846f766">GRAVITY</a>;</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="keyword">protected</span>:</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// center of mass of the object</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a8fe4f244be47f1336a57c1f2aa095157"> 25</a></span>  <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> <a class="code" href="classyage_1_1Body.html#a8fe4f244be47f1336a57c1f2aa095157">position_</a> = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0);</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>  <span class="comment">// mass of the object</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a01b2a500e71bc88f2cb597f376bc8289"> 28</a></span>  <span class="keywordtype">double</span> <a class="code" href="classyage_1_1Body.html#a01b2a500e71bc88f2cb597f376bc8289">mass_</a> = 1;</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>  <span class="comment">// current velocity of the object</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#afead7edec899748eab78879e6e6c5741"> 31</a></span>  <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> <a class="code" href="classyage_1_1Body.html#afead7edec899748eab78879e6e6c5741">velocity_</a> = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// boolean that defines if gravity can act on the object</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a454a7c59d07c94afb0a35c3d53ec2191"> 34</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classyage_1_1Body.html#a454a7c59d07c94afb0a35c3d53ec2191">gravity_</a> = <span class="keyword">true</span>;</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>  <span class="comment">// current acceleration</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a36c0a4485bf9a704901d88c6cf212a5f"> 37</a></span>  <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> <a class="code" href="classyage_1_1Body.html#a36c0a4485bf9a704901d88c6cf212a5f">acceleration_</a> = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// force acting on the body</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classyage_1_1Body.html#a262c896b473d7672cde524145cd7981d"> 40</a></span>  <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> <a class="code" href="classyage_1_1Body.html#a262c896b473d7672cde524145cd7981d">force_</a> = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// apply force to the object and update the velocity</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classyage_1_1Body.html#a56310be4f9d7d2d4e7f954af0e0a5878">applyForce</a>(<span class="keyword">const</span> <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> &force) = 0;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classyage_1_1Body.html#a17017d183f3f9ecdff779fd6f82c5d36">update</a>() = 0;</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>  <span class="keywordtype">double</span> <a class="code" href="classyage_1_1Body.html#a8a800cef0fb3561332d4a97c790e7225">xPosition</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">double</span> <a class="code" href="classyage_1_1Body.html#a1023ebd31914571f137fb5aadc88c364">yPosition</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// protected constructor to initialize member variables</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classyage_1_1Body.html#aeca769807d9b6f6fb3c9f61deaa83b86">Body</a>(<a class="code" href="classyage_1_1Vector2.html">Vector2d</a> position = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0), <span class="keywordtype">double</span> mass = 1,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="classyage_1_1Vector2.html">Vector2d</a> velocity = <a class="code" href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">Vector2d</a>(0, 0), <span class="keywordtype">bool</span> gravity = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> };</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> } <span class="comment">// namespace yage</span></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> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="classyage_1_1Body_html_a454a7c59d07c94afb0a35c3d53ec2191"><div class="ttname"><a href="classyage_1_1Body.html#a454a7c59d07c94afb0a35c3d53ec2191">yage::Body::gravity_</a></div><div class="ttdeci">bool gravity_</div><div class="ttdef"><b>Definition:</b> body.h:34</div></div>
<div class="ttc" id="classyage_1_1Body_html_a8a800cef0fb3561332d4a97c790e7225"><div class="ttname"><a href="classyage_1_1Body.html#a8a800cef0fb3561332d4a97c790e7225">yage::Body::xPosition</a></div><div class="ttdeci">double xPosition() const </div><div class="ttdef"><b>Definition:</b> body.cpp:18</div></div>
<div class="ttc" id="classyage_1_1Body_html_a4f61913cf00244a6160e09cda846f766"><div class="ttname"><a href="classyage_1_1Body.html#a4f61913cf00244a6160e09cda846f766">yage::Body::GRAVITY</a></div><div class="ttdeci">static const double GRAVITY</div><div class="ttdef"><b>Definition:</b> body.h:21</div></div>
<div class="ttc" id="classyage_1_1Body_html_a56310be4f9d7d2d4e7f954af0e0a5878"><div class="ttname"><a href="classyage_1_1Body.html#a56310be4f9d7d2d4e7f954af0e0a5878">yage::Body::applyForce</a></div><div class="ttdeci">virtual void applyForce(const Vector2d &force)=0</div></div>
<div class="ttc" id="classyage_1_1Body_html_a262c896b473d7672cde524145cd7981d"><div class="ttname"><a href="classyage_1_1Body.html#a262c896b473d7672cde524145cd7981d">yage::Body::force_</a></div><div class="ttdeci">Vector2d force_</div><div class="ttdef"><b>Definition:</b> body.h:40</div></div>
<div class="ttc" id="classyage_1_1Vector2_html"><div class="ttname"><a href="classyage_1_1Vector2.html">yage::Vector2< double ></a></div></div>
<div class="ttc" id="classyage_1_1Body_html_a1023ebd31914571f137fb5aadc88c364"><div class="ttname"><a href="classyage_1_1Body.html#a1023ebd31914571f137fb5aadc88c364">yage::Body::yPosition</a></div><div class="ttdeci">double yPosition() const </div><div class="ttdef"><b>Definition:</b> body.cpp:23</div></div>
<div class="ttc" id="classyage_1_1Body_html"><div class="ttname"><a href="classyage_1_1Body.html">yage::Body</a></div><div class="ttdef"><b>Definition:</b> body.h:17</div></div>
<div class="ttc" id="classyage_1_1Body_html_aeca769807d9b6f6fb3c9f61deaa83b86"><div class="ttname"><a href="classyage_1_1Body.html#aeca769807d9b6f6fb3c9f61deaa83b86">yage::Body::Body</a></div><div class="ttdeci">Body(Vector2d position=Vector2d(0, 0), double mass=1, Vector2d velocity=Vector2d(0, 0), bool gravity=false)</div><div class="ttdef"><b>Definition:</b> body.cpp:28</div></div>
<div class="ttc" id="classyage_1_1Body_html_afead7edec899748eab78879e6e6c5741"><div class="ttname"><a href="classyage_1_1Body.html#afead7edec899748eab78879e6e6c5741">yage::Body::velocity_</a></div><div class="ttdeci">Vector2d velocity_</div><div class="ttdef"><b>Definition:</b> body.h:31</div></div>
<div class="ttc" id="matrix_8h_html"><div class="ttname"><a href="matrix_8h.html">matrix.h</a></div></div>
<div class="ttc" id="namespaceyage_html_a23eef341099a6b2816cf0c63f8ffe898"><div class="ttname"><a href="namespaceyage.html#a23eef341099a6b2816cf0c63f8ffe898">yage::Vector2d</a></div><div class="ttdeci">Vector2< double > Vector2d</div><div class="ttdoc">Definition of a 2D vector. </div><div class="ttdef"><b>Definition:</b> matrix.h:352</div></div>
<div class="ttc" id="classyage_1_1Body_html_a36c0a4485bf9a704901d88c6cf212a5f"><div class="ttname"><a href="classyage_1_1Body.html#a36c0a4485bf9a704901d88c6cf212a5f">yage::Body::acceleration_</a></div><div class="ttdeci">Vector2d acceleration_</div><div class="ttdef"><b>Definition:</b> body.h:37</div></div>
<div class="ttc" id="classyage_1_1Body_html_a01b2a500e71bc88f2cb597f376bc8289"><div class="ttname"><a href="classyage_1_1Body.html#a01b2a500e71bc88f2cb597f376bc8289">yage::Body::mass_</a></div><div class="ttdeci">double mass_</div><div class="ttdef"><b>Definition:</b> body.h:28</div></div>
<div class="ttc" id="classyage_1_1Body_html_a17017d183f3f9ecdff779fd6f82c5d36"><div class="ttname"><a href="classyage_1_1Body.html#a17017d183f3f9ecdff779fd6f82c5d36">yage::Body::update</a></div><div class="ttdeci">virtual void update()=0</div></div>
<div class="ttc" id="classyage_1_1Body_html_a8fe4f244be47f1336a57c1f2aa095157"><div class="ttname"><a href="classyage_1_1Body.html#a8fe4f244be47f1336a57c1f2aa095157">yage::Body::position_</a></div><div class="ttdeci">Vector2d position_</div><div class="ttdef"><b>Definition:</b> body.h:25</div></div>
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