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<div class="title">line_segment.h</div> </div>
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<a href="line__segment_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">** Mark Page</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </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> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "../api_core.h"</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="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a>;</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="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</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">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">class </span><a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2</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">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">class </span><a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">class </span><a class="code" href="classCL__Rectx.html" title="2D (left,top,right,bottom) rectangle structure. ">CL_Rectx</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> <span class="keyword">class </span><a class="code" href="classCL__Angle.html" title="Angle class. ">CL_Angle</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a></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> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35"> 63</a></span>  <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</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>  <span class="comment">// \brief End point on the line</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43"> 66</a></span>  <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> <a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#a319742747787efaf2a8d488f2a010e1b"> 68</a></span>  <a class="code" href="classCL__LineSegment3x.html#a319742747787efaf2a8d488f2a010e1b">CL_LineSegment3x</a>() { }</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#a6e9ddc3206541f94a18a28ccdb3a7bdf"> 69</a></span>  <a class="code" href="classCL__LineSegment3x.html#a6e9ddc3206541f94a18a28ccdb3a7bdf">CL_LineSegment3x</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x<Type></a> &copy) { <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a> = copy.<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>; <a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a> = copy.<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>;}</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#a321168f2373371f87df8179c6b20e201"> 70</a></span>  <a class="code" href="classCL__LineSegment3x.html#a321168f2373371f87df8179c6b20e201">CL_LineSegment3x</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> &point_q) { <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a> = point_p; <a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a> = point_q; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</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="l00078"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#adb83f8fa4ee56e1fbb1cd51ac6044658"> 78</a></span>  <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> <a class="code" href="classCL__LineSegment3x.html#adb83f8fa4ee56e1fbb1cd51ac6044658" title="Get the midpoint of this line. ">get_midpoint</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a>( (<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>.x + <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>.x)/((Type)2), (<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>.y + <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>.y)/((Type)2), (<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>.z + <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>.z)/((Type)2) ); };</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  Type <a class="code" href="classCL__LineSegment3x.html#aff2f126534373b7d73e47cc83471ce2c" title="Calculate the distance from a line segment to a point. ">point_distance</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> &point, <a class="code" href="classCL__Vec3.html" title="3D vector ">CL_Vec3<Type></a> &dest_intercept) <span class="keyword">const</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"> 90</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#ac232668fdf5d355f35baab06422e59c7"> 92</a></span>  <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x<Type></a> &<a class="code" href="classCL__LineSegment3x.html#ac232668fdf5d355f35baab06422e59c7" title="= operator. ">operator = </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x<Type></a>& copy) { <a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a> = copy.<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>; <a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a> = copy.<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>; <span class="keywordflow">return</span> *<span class="keyword">this</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"><a class="code" href="classCL__LineSegment3x.html#a1abb5b2e24d0763d826a782817267f71"> 95</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment3x.html#a1abb5b2e24d0763d826a782817267f71" title="== operator. ">operator == </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x<Type></a>& line)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a> == line.<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>) && (<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a> == line.<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>));}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="classCL__LineSegment3x.html#ad936ed296c30309d8bad7193e23dad35"> 98</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment3x.html#ad936ed296c30309d8bad7193e23dad35" title="!= operator. ">operator != </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x<Type></a>& line)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a> != line.<a class="code" href="classCL__LineSegment3x.html#aa80c921330c3c0f30d617a1357884c35" title="Start point on the line. ">p</a>) || (<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a> != line.<a class="code" href="classCL__LineSegment3x.html#a6f520010b53fc3b35fdbcc5e5aeb1e43">q</a>));}</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> };</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e"> 112</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>;</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="comment">// \brief End point on the line</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a"> 115</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a0c739a5c73f5a52b5761d1246d573c0b"> 117</a></span>  <a class="code" href="classCL__LineSegment2x.html#a0c739a5c73f5a52b5761d1246d573c0b">CL_LineSegment2x</a>() { }</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a1512fe07d44d3548bf4ddd8bd117ddb4"> 118</a></span>  <a class="code" href="classCL__LineSegment2x.html#a1512fe07d44d3548bf4ddd8bd117ddb4">CL_LineSegment2x</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &copy) { <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a> = copy.<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>; <a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a> = copy.<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>;}</div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a918e385b70f80dfbea8212e56168ce2e"> 119</a></span>  <a class="code" href="classCL__LineSegment2x.html#a918e385b70f80dfbea8212e56168ce2e">CL_LineSegment2x</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) { <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a> = point_p; <a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a> = point_q; }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a74c12599cc5219af062598c393b78100"> 127</a></span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__LineSegment2x.html#a74c12599cc5219af062598c393b78100" title="Get the midpoint of this line. ">get_midpoint</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a>( (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>.x + <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.x)/((Type)2), (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>.y + <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.y)/((Type)2) ); };</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  Type <a class="code" href="classCL__LineSegment2x.html#a98c832d5e0e74ea219a2d31f6db9c1bc" title="Return the distance from a point to a line. ">point_distance</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> &point);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment2x.html#aee021138ea00af6c614beac62b407cda" title="Return true if two line segments are collinear. (All points are on the same line.) ...">collinear</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &second) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment2x.html#a0c9c3f3018a5c41c22e8fd0b6112898f" title="Return true if two line segments intersect. ">intersects</a>( <span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &second, <span class="keywordtype">bool</span> collinear_intersect ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__LineSegment2x.html#a4a71336ed67b6270a99313d71af68c44" title="Return the intersection point of two lines. ">get_intersection</a>( <span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &second, <span class="keywordtype">bool</span> &intersect) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#ac36db0eb153278e06c9a621dc67be76a"> 158</a></span>  Type <a class="code" href="classCL__LineSegment2x.html#ac36db0eb153278e06c9a621dc67be76a" title="Return [<0, 0, >0] if the Point P is right, on or left of the line trough A,B. ">point_right_of_line</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>{<span class="keywordflow">return</span> (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>.x - <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.x) * (point.<a class="code" href="classCL__Vec2.html#a86ebbfaff55020edb896c1f460b27e28">y</a> - <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.y) - (point.<a class="code" href="classCL__Vec2.html#a5530d36288e7ff615f237ce12db02baf">x</a> - <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.x) * (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>.y - <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>.y);}</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="classCL__Vec2.html" title="2D vector ">CL_Vec2<Type></a> <a class="code" href="classCL__LineSegment2x.html#a529674598ab203deb36658956dab01d1" title="Return the normal vector of the line from point A to point B. ">normal</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &<a class="code" href="classCL__LineSegment2x.html#a6a8a0af1d9126e2751ea02b01961f1f9" title="Clip this line to a rectangle. ">clip</a>(<span class="keyword">const</span> <a class="code" href="classCL__Rectx.html" title="2D (left,top,right,bottom) rectangle structure. ">CL_Rectx<Type></a> &rect, <span class="keywordtype">bool</span> &clipped);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a33503f06621076d108ab2fd37292eb1e"> 186</a></span>  <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a> &<a class="code" href="classCL__LineSegment2x.html#a33503f06621076d108ab2fd37292eb1e" title="= operator. ">operator = </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a>& copy) { <a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a> = copy.<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>; <a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a> = copy.<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#afa291030a5d37bfc9ed5784852da3487"> 189</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment2x.html#afa291030a5d37bfc9ed5784852da3487" title="== operator. ">operator == </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a>& line)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a> == line.<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>) && (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a> == line.<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>));}</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="code" href="classCL__LineSegment2x.html#a5094fa34371be26ee0666fd2a860f34a"> 192</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCL__LineSegment2x.html#a5094fa34371be26ee0666fd2a860f34a" title="!= operator. ">operator != </a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x<Type></a>& line)<span class="keyword"> const </span>{<span class="keywordflow">return</span> ((<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a> != line.<a class="code" href="classCL__LineSegment2x.html#a2943ede0834465551cde0d05447b069e" title="Start point on the line. ">p</a>) || (<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a> != line.<a class="code" href="classCL__LineSegment2x.html#a08574f91f39d189fe3626a856406727a">q</a>));}</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> };</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="code" href="classCL__LineSegment2.html"> 200</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment2.html" title="2D line segment - Integer ">CL_LineSegment2</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><int></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00203"></a><span class="lineno"><a class="code" href="classCL__LineSegment2.html#a09090bce1abaa52b832b7d624b9f5d67"> 203</a></span>  <a class="code" href="classCL__LineSegment2.html#a09090bce1abaa52b832b7d624b9f5d67">CL_LineSegment2</a>() : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><int>() {}</div>
<div class="line"><a name="l00204"></a><span class="lineno"><a class="code" href="classCL__LineSegment2.html#af024119dcdb94e82a8216bf0d1c2a790"> 204</a></span>  <a class="code" href="classCL__LineSegment2.html#af024119dcdb94e82a8216bf0d1c2a790">CL_LineSegment2</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html">CL_LineSegment2x<int></a> &copy) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><int>(copy) {}</div>
<div class="line"><a name="l00205"></a><span class="lineno"><a class="code" href="classCL__LineSegment2.html#ac26c93a45a472cb19bad14b3260dc700"> 205</a></span>  <a class="code" href="classCL__LineSegment2.html#ac26c93a45a472cb19bad14b3260dc700">CL_LineSegment2</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) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><int>(point_p, point_q) {}</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> };</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="code" href="classCL__LineSegment2f.html"> 212</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment2f.html" title="2D line segment - Float ">CL_LineSegment2f</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><float></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="code" href="classCL__LineSegment2f.html#a8da999f560f25ee44c78a1c5695da33e"> 215</a></span>  <a class="code" href="classCL__LineSegment2f.html#a8da999f560f25ee44c78a1c5695da33e">CL_LineSegment2f</a>() : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><float>() {}</div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="code" href="classCL__LineSegment2f.html#a33a0a2256a2b3ba12c8ee065eb07b5d2"> 216</a></span>  <a class="code" href="classCL__LineSegment2f.html#a33a0a2256a2b3ba12c8ee065eb07b5d2">CL_LineSegment2f</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html">CL_LineSegment2x<float></a> &copy) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><float>(copy) {}</div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="code" href="classCL__LineSegment2f.html#a8223cac01493ed51846c265e59bbdf0d"> 217</a></span>  <a class="code" href="classCL__LineSegment2f.html#a8223cac01493ed51846c265e59bbdf0d">CL_LineSegment2f</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) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><float>(point_p, point_q) {}</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> };</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="code" href="classCL__LineSegment2d.html"> 224</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment2d.html" title="2D line segment - Double ">CL_LineSegment2d</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><double></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00227"></a><span class="lineno"><a class="code" href="classCL__LineSegment2d.html#a07af4c06783682bfd171030e98c6f317"> 227</a></span>  <a class="code" href="classCL__LineSegment2d.html#a07af4c06783682bfd171030e98c6f317">CL_LineSegment2d</a>() : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><double>() {}</div>
<div class="line"><a name="l00228"></a><span class="lineno"><a class="code" href="classCL__LineSegment2d.html#a929d14d49c9fc105bdd672dfe1d7b209"> 228</a></span>  <a class="code" href="classCL__LineSegment2d.html#a929d14d49c9fc105bdd672dfe1d7b209">CL_LineSegment2d</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment2x.html">CL_LineSegment2x<double></a> &copy) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><double>(copy) {}</div>
<div class="line"><a name="l00229"></a><span class="lineno"><a class="code" href="classCL__LineSegment2d.html#a7fe482bb69d492f66c5d8354af575f8a"> 229</a></span>  <a class="code" href="classCL__LineSegment2d.html#a7fe482bb69d492f66c5d8354af575f8a">CL_LineSegment2d</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) : <a class="code" href="classCL__LineSegment2x.html" title="2D line segment ">CL_LineSegment2x</a><double>(point_p, point_q) {}</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> };</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"><a class="code" href="classCL__LineSegment3.html"> 236</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment3.html" title="3D line segment - Integer ">CL_LineSegment3</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><int></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00239"></a><span class="lineno"><a class="code" href="classCL__LineSegment3.html#a20bb380d6bd03a57d0bf8059c9a4a371"> 239</a></span>  <a class="code" href="classCL__LineSegment3.html#a20bb380d6bd03a57d0bf8059c9a4a371">CL_LineSegment3</a>() : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><int>() {}</div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="code" href="classCL__LineSegment3.html#a960722947ccecca4220aaa5f1d46d77a"> 240</a></span>  <a class="code" href="classCL__LineSegment3.html#a960722947ccecca4220aaa5f1d46d77a">CL_LineSegment3</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html">CL_LineSegment3x<int></a> &copy) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><int>(copy) {}</div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="code" href="classCL__LineSegment3.html#afa1c79212aedf9c7aaa3d1fcb5eb9eca"> 241</a></span>  <a class="code" href="classCL__LineSegment3.html#afa1c79212aedf9c7aaa3d1fcb5eb9eca">CL_LineSegment3</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<int></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<int></a> &point_q) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><int>(point_p, point_q) {}</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> };</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a name="l00248"></a><span class="lineno"><a class="code" href="classCL__LineSegment3f.html"> 248</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment3f.html" title="3D line segment - Float ">CL_LineSegment3f</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><float></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00251"></a><span class="lineno"><a class="code" href="classCL__LineSegment3f.html#a3eb28039eb416918bc05626f291f5866"> 251</a></span>  <a class="code" href="classCL__LineSegment3f.html#a3eb28039eb416918bc05626f291f5866">CL_LineSegment3f</a>() : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><float>() {}</div>
<div class="line"><a name="l00252"></a><span class="lineno"><a class="code" href="classCL__LineSegment3f.html#a7e69eb953d1c1d2256b2285cd6973c53"> 252</a></span>  <a class="code" href="classCL__LineSegment3f.html#a7e69eb953d1c1d2256b2285cd6973c53">CL_LineSegment3f</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html">CL_LineSegment3x<float></a> &copy) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><float>(copy) {}</div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="code" href="classCL__LineSegment3f.html#a5a712e0ab529574feb8449f39db861c7"> 253</a></span>  <a class="code" href="classCL__LineSegment3f.html#a5a712e0ab529574feb8449f39db861c7">CL_LineSegment3f</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<float></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<float></a> &point_q) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><float>(point_p, point_q) {}</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> };</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00260"></a><span class="lineno"><a class="code" href="classCL__LineSegment3d.html"> 260</a></span> <span class="keyword">class </span><a class="code" href="classCL__LineSegment3d.html" title="3D line segment - Double ">CL_LineSegment3d</a> : <span class="keyword">public</span> <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><double></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="code" href="classCL__LineSegment3d.html#aa809e27c40baa2dddd566838651fc11f"> 263</a></span>  <a class="code" href="classCL__LineSegment3d.html#aa809e27c40baa2dddd566838651fc11f">CL_LineSegment3d</a>() : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><double>() {}</div>
<div class="line"><a name="l00264"></a><span class="lineno"><a class="code" href="classCL__LineSegment3d.html#a49f358531d52a9fe43655db3ec21d858"> 264</a></span>  <a class="code" href="classCL__LineSegment3d.html#a49f358531d52a9fe43655db3ec21d858">CL_LineSegment3d</a>(<span class="keyword">const</span> <a class="code" href="classCL__LineSegment3x.html">CL_LineSegment3x<double></a> &copy) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><double>(copy) {}</div>
<div class="line"><a name="l00265"></a><span class="lineno"><a class="code" href="classCL__LineSegment3d.html#ac84d85335c20767daf3b7e7b8b63ee75"> 265</a></span>  <a class="code" href="classCL__LineSegment3d.html#ac84d85335c20767daf3b7e7b8b63ee75">CL_LineSegment3d</a>(<span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<double></a> &point_p, <span class="keyword">const</span> <a class="code" href="classCL__Vec3.html">CL_Vec3<double></a> &point_q) : <a class="code" href="classCL__LineSegment3x.html" title="3D line segment ">CL_LineSegment3x</a><double>(point_p, point_q) {}</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> };</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
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