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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_2bb440aa7e31c6a1fa7299279b8cd0fb.html">Common</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) 2011 Erin Catto http://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_DRAW_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define B2_DRAW_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_color.html"> 25</a></span> <span class="keyword">struct </span><a class="code" href="structb2_color.html">b2Color</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>  <a class="code" href="structb2_color.html">b2Color</a>() {}</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="structb2_color.html">b2Color</a>(float32 r, float32 g, float32 b, float32 a = 1.0f) : r(r), g(g), b(b), a(a) {}</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">void</span> Set(float32 ri, float32 gi, float32 bi, float32 ai = 1.0f) { r = ri; g = gi; b = bi; a = ai; }</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  float32 r, g, b, 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> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classb2_draw.html"> 35</a></span> <span class="keyword">class </span><a class="code" href="classb2_draw.html">b2Draw</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classb2_draw.html">b2Draw</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>  <span class="keyword">virtual</span> ~<a class="code" href="classb2_draw.html">b2Draw</a>() {}</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">enum</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a1c8964c4f1fdc39e98b58ac38ecda1f9"> 44</a></span>  <a class="code" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a1c8964c4f1fdc39e98b58ac38ecda1f9">e_shapeBit</a> = 0x0001, </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a241137a63679720c41a271c11681e2b3"> 45</a></span>  <a class="code" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a241137a63679720c41a271c11681e2b3">e_jointBit</a> = 0x0002, </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2acdf1370108930182a45f39e7cc9b0cc7"> 46</a></span>  <a class="code" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2acdf1370108930182a45f39e7cc9b0cc7">e_aabbBit</a> = 0x0004, </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2ac86bb64ac65e555db28827407f2f2d43"> 47</a></span>  <a class="code" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2ac86bb64ac65e555db28827407f2f2d43">e_pairBit</a> = 0x0008, </div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a7f1494d816479c7d23997a6c292cd8b6"> 48</a></span>  <a class="code" href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a7f1494d816479c7d23997a6c292cd8b6">e_centerOfMassBit</a> = 0x0010 </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> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#ac2bbe31595478690e44de4ff1e7f347e">SetFlags</a>(uint32 flags);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  uint32 <a class="code" href="classb2_draw.html#a10926d67ad6d3a2517197c4f10923700">GetFlags</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#acc2fd4648ee0a65574770c64528f7166">AppendFlags</a>(uint32 flags);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#afc240b71f4ba8c17440d6ed526d4e22e">ClearFlags</a>(uint32 flags);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#acd5427d1d2e7d19f1b34ad3620134d28">DrawPolygon</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>* vertices, int32 vertexCount, <span class="keyword">const</span> <a class="code" href="structb2_color.html">b2Color</a>& color) = 0;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#a76f2d67de0781a32cab116278c5c9eea">DrawSolidPolygon</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>* vertices, int32 vertexCount, <span class="keyword">const</span> <a class="code" href="structb2_color.html">b2Color</a>& color) = 0;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#ae2effe9bca87c8d7cb90e860d13b7e9e">DrawCircle</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& center, float32 radius, <span class="keyword">const</span> <a class="code" href="structb2_color.html">b2Color</a>& color) = 0;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#a775a1d0472c5980d597904c7b596a0a6">DrawSolidCircle</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& center, float32 radius, <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& axis, <span class="keyword">const</span> <a class="code" href="structb2_color.html">b2Color</a>& color) = 0;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#a1de5aaf50db875d1c644c596832af57d">DrawSegment</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& p1, <span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>& p2, <span class="keyword">const</span> <a class="code" href="structb2_color.html">b2Color</a>& color) = 0;</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_draw.html#ade698123482a491a7a61fa1fe4d3a4f4">DrawTransform</a>(<span class="keyword">const</span> <a class="code" href="structb2_transform.html">b2Transform</a>& xf) = 0;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  uint32 m_drawFlags;</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="l00086"></a><span class="lineno"> 86</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="classb2_draw_html_ae23c5d6c4f5230621f736593469cf7f2a7f1494d816479c7d23997a6c292cd8b6"><div class="ttname"><a href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a7f1494d816479c7d23997a6c292cd8b6">b2Draw::e_centerOfMassBit</a></div><div class="ttdoc">draw center of mass frame </div><div class="ttdef"><b>Definition:</b> b2Draw.h:48</div></div>
<div class="ttc" id="classb2_draw_html_a10926d67ad6d3a2517197c4f10923700"><div class="ttname"><a href="classb2_draw.html#a10926d67ad6d3a2517197c4f10923700">b2Draw::GetFlags</a></div><div class="ttdeci">uint32 GetFlags() const</div><div class="ttdoc">Get the drawing flags. </div><div class="ttdef"><b>Definition:</b> b2Draw.cpp:31</div></div>
<div class="ttc" id="classb2_draw_html_a775a1d0472c5980d597904c7b596a0a6"><div class="ttname"><a href="classb2_draw.html#a775a1d0472c5980d597904c7b596a0a6">b2Draw::DrawSolidCircle</a></div><div class="ttdeci">virtual void DrawSolidCircle(const b2Vec2 &center, float32 radius, const b2Vec2 &axis, const b2Color &color)=0</div><div class="ttdoc">Draw a solid circle. </div></div>
<div class="ttc" id="classb2_draw_html_a1de5aaf50db875d1c644c596832af57d"><div class="ttname"><a href="classb2_draw.html#a1de5aaf50db875d1c644c596832af57d">b2Draw::DrawSegment</a></div><div class="ttdeci">virtual void DrawSegment(const b2Vec2 &p1, const b2Vec2 &p2, const b2Color &color)=0</div><div class="ttdoc">Draw a line segment. </div></div>
<div class="ttc" id="structb2_color_html"><div class="ttname"><a href="structb2_color.html">b2Color</a></div><div class="ttdoc">Color for debug drawing. Each value has the range [0,1]. </div><div class="ttdef"><b>Definition:</b> b2Draw.h:25</div></div>
<div class="ttc" id="classb2_draw_html_ae23c5d6c4f5230621f736593469cf7f2ac86bb64ac65e555db28827407f2f2d43"><div class="ttname"><a href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2ac86bb64ac65e555db28827407f2f2d43">b2Draw::e_pairBit</a></div><div class="ttdoc">draw broad-phase pairs </div><div class="ttdef"><b>Definition:</b> b2Draw.h:47</div></div>
<div class="ttc" id="classb2_draw_html_ac2bbe31595478690e44de4ff1e7f347e"><div class="ttname"><a href="classb2_draw.html#ac2bbe31595478690e44de4ff1e7f347e">b2Draw::SetFlags</a></div><div class="ttdeci">void SetFlags(uint32 flags)</div><div class="ttdoc">Set the drawing flags. </div><div class="ttdef"><b>Definition:</b> b2Draw.cpp:26</div></div>
<div class="ttc" id="classb2_draw_html_ae23c5d6c4f5230621f736593469cf7f2a1c8964c4f1fdc39e98b58ac38ecda1f9"><div class="ttname"><a href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a1c8964c4f1fdc39e98b58ac38ecda1f9">b2Draw::e_shapeBit</a></div><div class="ttdoc">draw shapes </div><div class="ttdef"><b>Definition:</b> b2Draw.h:44</div></div>
<div class="ttc" id="classb2_draw_html_ae2effe9bca87c8d7cb90e860d13b7e9e"><div class="ttname"><a href="classb2_draw.html#ae2effe9bca87c8d7cb90e860d13b7e9e">b2Draw::DrawCircle</a></div><div class="ttdeci">virtual void DrawCircle(const b2Vec2 &center, float32 radius, const b2Color &color)=0</div><div class="ttdoc">Draw a circle. </div></div>
<div class="ttc" id="classb2_draw_html_a76f2d67de0781a32cab116278c5c9eea"><div class="ttname"><a href="classb2_draw.html#a76f2d67de0781a32cab116278c5c9eea">b2Draw::DrawSolidPolygon</a></div><div class="ttdeci">virtual void DrawSolidPolygon(const b2Vec2 *vertices, int32 vertexCount, const b2Color &color)=0</div><div class="ttdoc">Draw a solid closed polygon provided in CCW order. </div></div>
<div class="ttc" id="classb2_draw_html_afc240b71f4ba8c17440d6ed526d4e22e"><div class="ttname"><a href="classb2_draw.html#afc240b71f4ba8c17440d6ed526d4e22e">b2Draw::ClearFlags</a></div><div class="ttdeci">void ClearFlags(uint32 flags)</div><div class="ttdoc">Clear flags from the current flags. </div><div class="ttdef"><b>Definition:</b> b2Draw.cpp:41</div></div>
<div class="ttc" id="classb2_draw_html"><div class="ttname"><a href="classb2_draw.html">b2Draw</a></div><div class="ttdef"><b>Definition:</b> b2Draw.h:35</div></div>
<div class="ttc" id="classb2_draw_html_acd5427d1d2e7d19f1b34ad3620134d28"><div class="ttname"><a href="classb2_draw.html#acd5427d1d2e7d19f1b34ad3620134d28">b2Draw::DrawPolygon</a></div><div class="ttdeci">virtual void DrawPolygon(const b2Vec2 *vertices, int32 vertexCount, const b2Color &color)=0</div><div class="ttdoc">Draw a closed polygon provided in CCW order. </div></div>
<div class="ttc" id="classb2_draw_html_ae23c5d6c4f5230621f736593469cf7f2a241137a63679720c41a271c11681e2b3"><div class="ttname"><a href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2a241137a63679720c41a271c11681e2b3">b2Draw::e_jointBit</a></div><div class="ttdoc">draw joint connections </div><div class="ttdef"><b>Definition:</b> b2Draw.h:45</div></div>
<div class="ttc" id="classb2_draw_html_ae23c5d6c4f5230621f736593469cf7f2acdf1370108930182a45f39e7cc9b0cc7"><div class="ttname"><a href="classb2_draw.html#ae23c5d6c4f5230621f736593469cf7f2acdf1370108930182a45f39e7cc9b0cc7">b2Draw::e_aabbBit</a></div><div class="ttdoc">draw axis aligned bounding boxes </div><div class="ttdef"><b>Definition:</b> b2Draw.h:46</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_draw_html_ade698123482a491a7a61fa1fe4d3a4f4"><div class="ttname"><a href="classb2_draw.html#ade698123482a491a7a61fa1fe4d3a4f4">b2Draw::DrawTransform</a></div><div class="ttdeci">virtual void DrawTransform(const b2Transform &xf)=0</div></div>
<div class="ttc" id="classb2_draw_html_acc2fd4648ee0a65574770c64528f7166"><div class="ttname"><a href="classb2_draw.html#acc2fd4648ee0a65574770c64528f7166">b2Draw::AppendFlags</a></div><div class="ttdeci">void AppendFlags(uint32 flags)</div><div class="ttdoc">Append flags to the current flags. </div><div class="ttdef"><b>Definition:</b> b2Draw.cpp:36</div></div>
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