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<div class="title">triangle_math.h</div> </div>
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<a href="triangle__math_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">** ClanLib SDK</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">** Copyright (c) 1997-2011 The ClanLib Team</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">**</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">** Permission is granted to anyone to use this software for any purpose,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">** including commercial applications, and to alter it and redistribute it</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">** freely, subject to the following restrictions:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">**</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">** 1. The origin of this software must not be misrepresented; you must not</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">** claim that you wrote the original software. If you use this software</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">** in a product, an acknowledgment in the product documentation would be</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">** appreciated but is not required.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</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="l00018"></a><span class="lineno"> 18</span> <span class="comment">** misrepresented as being the original software.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">** 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">**</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">** Note: Some of the libraries ClanLib may link to may have additional</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">** requirements or restrictions.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">**</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">** File Author(s):</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">**</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">** Harry Storbacka</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">** Mark Page</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </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="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "../api_core.h"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="vec3_8h.html">vec3.h</a>"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff"> 47</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a>;</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>  <span class="comment">// \brief Second triangle point</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb"> 50</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// \brief Third triangle point</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4"> 53</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a9b96d904299b851aebc32e866977a189"> 55</a></span>  <a class="code" href="classCL__Trianglex.html#a9b96d904299b851aebc32e866977a189">CL_Trianglex</a>() { }</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a0002c8644482da69dc81fb601f435934"> 56</a></span>  <a class="code" href="classCL__Trianglex.html#a0002c8644482da69dc81fb601f435934">CL_Trianglex</a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex<Type></a> &copy) { <a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a> = copy.<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a>; <a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a> = copy.<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a>; <a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a> = copy.<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a>;}</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#af2c1b7d0f10d8d9761e6e36ae9876574"> 57</a></span>  <a class="code" href="classCL__Trianglex.html#af2c1b7d0f10d8d9761e6e36ae9876574">CL_Trianglex</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> &point_q, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> &point_r) { <a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a> = point_p; <a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a> = point_q; <a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a> = point_r;}</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__Trianglex.html#aeb8e8c2cb732b02d1c39f1e24aa2dbe6" title="Return true if the point is inside the triangle. ">point_inside</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> &point) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a918f2228740f52dd1e83e9373ed16829"> 77</a></span>  <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex<Type></a> &<a class="code" href="classCL__Trianglex.html#a918f2228740f52dd1e83e9373ed16829" title="= operator. ">operator = </a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex<Type></a>& copy) { <a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a> = copy.<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a>; <a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a> = copy.<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a>; <a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a> = copy.<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a>; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classCL__Trianglex.html#a04e3c624dd6d67d2ff8b6155b2b58383"> 80</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__Trianglex.html#a04e3c624dd6d67d2ff8b6155b2b58383" title="== operator. ">operator == </a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex<Type></a>& triangle)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a> == triangle.<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a>) && (<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a> == triangle.<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a>) && (<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a> == triangle.<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a>));}</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="code" href="classCL__Trianglex.html#ad63129bef474f5eb7c43c434ce249c1f"> 83</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__Trianglex.html#ad63129bef474f5eb7c43c434ce249c1f" title="!= operator. ">operator != </a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex<Type></a>& triangle)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a> != triangle.<a class="code" href="classCL__Trianglex.html#a2fba46c83ceea1de965b03f903c096ff" title="First triangle point. ">p</a>) || (<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a> != triangle.<a class="code" href="classCL__Trianglex.html#afc83ac18e484897a7c972990d2810cbb">q</a>) || (<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a> != triangle.<a class="code" href="classCL__Trianglex.html#a929979d1fe083b1ee9f6d6c2ccfe3ac4">r</a>));}</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> </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="code" href="classCL__Triangle.html"> 90</a></span> <span class="keyword">class </span><a class="code" href="classCL__Triangle.html" title="Triangles - Integer. ">CL_Triangle</a> : <span class="keyword">public</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><int></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="classCL__Triangle.html#a74d12697402d3bcdcca20d047b8d865d"> 93</a></span>  <a class="code" href="classCL__Triangle.html#a74d12697402d3bcdcca20d047b8d865d">CL_Triangle</a>() { }</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="classCL__Triangle.html#a8710de723dff735de58e6a319bb6526e"> 94</a></span>  <a class="code" href="classCL__Triangle.html#a8710de723dff735de58e6a319bb6526e">CL_Triangle</a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html">CL_Trianglex<int></a> &copy) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><int>(copy) {}</div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="classCL__Triangle.html#a3da7a1b9038eb3467c0cf702ed4acca0"> 95</a></span>  <a class="code" href="classCL__Triangle.html#a3da7a1b9038eb3467c0cf702ed4acca0">CL_Triangle</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<int></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<int></a> &point_q, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<int></a> &point_r) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><int>(point_p, point_q, point_r) {}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> };</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="code" href="classCL__Trianglef.html"> 101</a></span> <span class="keyword">class </span><a class="code" href="classCL__Trianglef.html" title="Triangles - Float. ">CL_Trianglef</a> : <span class="keyword">public</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><float></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="classCL__Trianglef.html#a86a920e5e3a84d58f8e19e6ae81eb222"> 104</a></span>  <a class="code" href="classCL__Trianglef.html#a86a920e5e3a84d58f8e19e6ae81eb222">CL_Trianglef</a>() { }</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="classCL__Trianglef.html#ad01fdc5cfb6ab9553661f7935edfa4ad"> 105</a></span>  <a class="code" href="classCL__Trianglef.html#ad01fdc5cfb6ab9553661f7935edfa4ad">CL_Trianglef</a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html">CL_Trianglex<float></a> &copy) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><float>(copy) {}</div>
<div class="line"><a name="l00106"></a><span class="lineno"><a class="code" href="classCL__Trianglef.html#a276e7dcc5bc4e2d97b3909be2e1c2d2b"> 106</a></span>  <a class="code" href="classCL__Trianglef.html#a276e7dcc5bc4e2d97b3909be2e1c2d2b">CL_Trianglef</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<float></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<float></a> &point_q, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<float></a> &point_r) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><float>(point_p, point_q, point_r) {}</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> };</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="code" href="classCL__Triangled.html"> 112</a></span> <span class="keyword">class </span><a class="code" href="classCL__Triangled.html" title="Triangles - Double. ">CL_Triangled</a> : <span class="keyword">public</span> <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><double></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classCL__Triangled.html#a64742243047097705a05b06361f94c02"> 115</a></span>  <a class="code" href="classCL__Triangled.html#a64742243047097705a05b06361f94c02">CL_Triangled</a>() { }</div>
<div class="line"><a name="l00116"></a><span class="lineno"><a class="code" href="classCL__Triangled.html#a2ebdee3c4d8be8331e24f6ae0756f7b7"> 116</a></span>  <a class="code" href="classCL__Triangled.html#a2ebdee3c4d8be8331e24f6ae0756f7b7">CL_Triangled</a>(<span class="keyword">const</span> <a class="code" href="classCL__Trianglex.html">CL_Trianglex<double></a> &copy) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><double>(copy) {}</div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="code" href="classCL__Triangled.html#a4e56d4efb8471d6af3370eba31caf802"> 117</a></span>  <a class="code" href="classCL__Triangled.html#a4e56d4efb8471d6af3370eba31caf802">CL_Triangled</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<double></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<double></a> &point_q, <span class="keyword">const</span> <a class="code" href="classCL__Vec2.html">CL_Vec2<double></a> &point_r) : <a class="code" href="classCL__Trianglex.html" title="Triangles. ">CL_Trianglex</a><double>(point_p, point_q, point_r) {}</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="l00121"></a><span class="lineno"> 121</span> </div>
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