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<div class="title">al_Lens.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef INCLUDE_AL_LENS_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define INCLUDE_AL_LENS_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* Allocore --</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Multimedia / virtual environment application class library</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"> Copyright (C) 2009. AlloSphere Research Group, Media Arts & Technology, UCSB.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Copyright (C) 2012. The Regents of the University of California.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> All rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> documentation and/or other materials provided with the 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"> Neither the name of the University of California nor the names of its</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> this software without specific prior written permission.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"></span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> File description:</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> Optical properties for scene rendering</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> File author(s):</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> Lance Putnam, 2010, [email protected]</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> Graham Wakefield, 2010, [email protected]</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> Wesley Smith, 2010, [email protected]</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">*/</span></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="preprocessor">#include "al/math/al_Matrix4.hpp"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "al/math/al_Vec.hpp"</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "al/spatial/al_Pose.hpp"</span></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="preprocessor">#ifdef AL_WINDOWS</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#undef near</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#undef far</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</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="keyword">namespace </span><a class="code" href="namespaceal.html">al</a> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html"> 60</a></span> <span class="keyword">class </span><a class="code" href="classal_1_1_lens.html">Lens</a> {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a9b94b42decf013829f4f45296211ecc4"> 67</a></span>  <a class="code" href="classal_1_1_lens.html#a9b94b42decf013829f4f45296211ecc4">Lens</a>(<span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a4b6f946c1a708199de709718019cef10">fovy</a> = 30, <span class="keywordtype">double</span> nearClip = 0.1, <span class="keywordtype">double</span> farClip = 100,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a8f50e38855cdbb2f02b49a8a1ad8b9c0">focalLength</a> = 6, <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a5e157ce8626e21a727cc7c3668f6fa0f">eyeSep</a> = 0.02);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// setters</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#ad2b03d091efe7bbd8bbe05a0c98d4a2d"> 71</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#ad2b03d091efe7bbd8bbe05a0c98d4a2d">fovy</a>(<span class="keywordtype">double</span> v); </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a1f0cfcfc930b42de75c164d6856a7627"> 72</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#a1f0cfcfc930b42de75c164d6856a7627">fovx</a>(<span class="keywordtype">double</span> v,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">double</span> aspect); </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a078eaa54b1769bb0d3d6e866aad68f85"> 74</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#a078eaa54b1769bb0d3d6e866aad68f85">near</a>(<span class="keywordtype">double</span> v) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  mNear = v;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  } </div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a55e66658d1418bc951d6b6f594aa1473"> 78</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#a55e66658d1418bc951d6b6f594aa1473">far</a>(<span class="keywordtype">double</span> v) {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  mFar = v;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  } </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a213f827ede6832688ff50033e227c1ea"> 82</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#a213f827ede6832688ff50033e227c1ea">focalLength</a>(<span class="keywordtype">double</span> v) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  mFocalLength = v;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> *<span class="keyword">this</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"><a class="line" href="classal_1_1_lens.html#a8a1ead57336505a5cca9b726fe79933c"> 86</a></span>  <a class="code" href="classal_1_1_lens.html">Lens</a>& <a class="code" href="classal_1_1_lens.html#a8a1ead57336505a5cca9b726fe79933c">eyeSep</a>(<span class="keywordtype">double</span> v) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  mEyeSep = v;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  } </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a4b6f946c1a708199de709718019cef10"> 91</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a4b6f946c1a708199de709718019cef10">fovy</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> mFovy;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a15bcb15bc8f4e1fda2d2552185705b55"> 94</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a15bcb15bc8f4e1fda2d2552185705b55">near</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mNear; } </div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#af3da9542cf0feb2eebcc34284d8b0f7e"> 95</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#af3da9542cf0feb2eebcc34284d8b0f7e">far</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mFar; } </div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a8f50e38855cdbb2f02b49a8a1ad8b9c0"> 96</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a8f50e38855cdbb2f02b49a8a1ad8b9c0">focalLength</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mFocalLength; } </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a5e157ce8626e21a727cc7c3668f6fa0f"> 97</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a5e157ce8626e21a727cc7c3668f6fa0f">eyeSep</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mEyeSep; } </div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a1e3a82ba93fd9428fbc458fa21b9675e"> 98</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a1e3a82ba93fd9428fbc458fa21b9675e">eyeSepAuto</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <a class="code" href="classal_1_1_lens.html#a8f50e38855cdbb2f02b49a8a1ad8b9c0">focalLength</a>() / 30.0;</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="l00103"></a><span class="lineno"> 103</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#aea47acdf2e28067af88a0c2f7ddb6ce2"> 106</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#aea47acdf2e28067af88a0c2f7ddb6ce2">heightAtDepth</a>(<span class="keywordtype">double</span> depth)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> depth * mTanFOV; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a0a64e9a670021ff71733b5714e0ece16"> 109</a></span>  <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a0a64e9a670021ff71733b5714e0ece16">heightAtNear</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classal_1_1_lens.html#aea47acdf2e28067af88a0c2f7ddb6ce2">heightAtDepth</a>(<a class="code" href="classal_1_1_lens.html#a15bcb15bc8f4e1fda2d2552185705b55">near</a>()); }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#ad4c678edfa9d56600096821907f457dd"> 113</a></span>  <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#ad4c678edfa9d56600096821907f457dd">getFovyForHeight</a>(<span class="keywordtype">double</span> height, <span class="keywordtype">double</span> depth);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classal_1_1_lens.html#a93069aa6d4f44c8726604e77ee6dddaa"> 120</a></span>  <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a93069aa6d4f44c8726604e77ee6dddaa">getFovyForFovX</a>(<span class="keywordtype">double</span> <a class="code" href="classal_1_1_lens.html#a1f0cfcfc930b42de75c164d6856a7627">fovx</a>, <span class="keywordtype">double</span> aspect);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">double</span> mFovy; <span class="comment">// Lens aperture (degrees)</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">double</span> mTanFOV; <span class="comment">// Cached factor for computing frustum dimensions</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">double</span> mNear, mFar; <span class="comment">// Cutting plane distances</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">double</span> mFocalLength; <span class="comment">// Focal length along vd</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">double</span> mEyeSep; <span class="comment">// Eye separation</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Vec3d mStereoOffset; // eye offset vector (right eye; left eye is</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// inverse), usually (1, 0, 0)</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> };</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> } <span class="comment">// namespace al</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassal_1_1_lens_html"><div class="ttname"><a href="classal_1_1_lens.html">al::Lens</a></div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00060">al_Lens.hpp:60</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a078eaa54b1769bb0d3d6e866aad68f85"><div class="ttname"><a href="classal_1_1_lens.html#a078eaa54b1769bb0d3d6e866aad68f85">al::Lens::near</a></div><div class="ttdeci">Lens & near(double v)</div><div class="ttdoc">Set frustum near plane distance.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00074">al_Lens.hpp:74</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a0a64e9a670021ff71733b5714e0ece16"><div class="ttname"><a href="classal_1_1_lens.html#a0a64e9a670021ff71733b5714e0ece16">al::Lens::heightAtNear</a></div><div class="ttdeci">double heightAtNear() const</div><div class="ttdoc">Returns half the height of the frustum at the near plane.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00109">al_Lens.hpp:109</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a15bcb15bc8f4e1fda2d2552185705b55"><div class="ttname"><a href="classal_1_1_lens.html#a15bcb15bc8f4e1fda2d2552185705b55">al::Lens::near</a></div><div class="ttdeci">double near() const</div><div class="ttdoc">Get frustum near plane distance.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00094">al_Lens.hpp:94</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a1e3a82ba93fd9428fbc458fa21b9675e"><div class="ttname"><a href="classal_1_1_lens.html#a1e3a82ba93fd9428fbc458fa21b9675e">al::Lens::eyeSepAuto</a></div><div class="ttdeci">double eyeSepAuto() const</div><div class="ttdoc">Get automatic inter-ocular distance.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00098">al_Lens.hpp:98</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a1f0cfcfc930b42de75c164d6856a7627"><div class="ttname"><a href="classal_1_1_lens.html#a1f0cfcfc930b42de75c164d6856a7627">al::Lens::fovx</a></div><div class="ttdeci">Lens & fovx(double v, double aspect)</div><div class="ttdoc">Set horizontal field of view, in degrees.</div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a213f827ede6832688ff50033e227c1ea"><div class="ttname"><a href="classal_1_1_lens.html#a213f827ede6832688ff50033e227c1ea">al::Lens::focalLength</a></div><div class="ttdeci">Lens & focalLength(double v)</div><div class="ttdoc">Set focal length.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00082">al_Lens.hpp:82</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a4b6f946c1a708199de709718019cef10"><div class="ttname"><a href="classal_1_1_lens.html#a4b6f946c1a708199de709718019cef10">al::Lens::fovy</a></div><div class="ttdeci">double fovy() const</div><div class="ttdoc">Get vertical field of view, in degrees.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00091">al_Lens.hpp:91</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a55e66658d1418bc951d6b6f594aa1473"><div class="ttname"><a href="classal_1_1_lens.html#a55e66658d1418bc951d6b6f594aa1473">al::Lens::far</a></div><div class="ttdeci">Lens & far(double v)</div><div class="ttdoc">Set frustum far plane distance.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00078">al_Lens.hpp:78</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a5e157ce8626e21a727cc7c3668f6fa0f"><div class="ttname"><a href="classal_1_1_lens.html#a5e157ce8626e21a727cc7c3668f6fa0f">al::Lens::eyeSep</a></div><div class="ttdeci">double eyeSep() const</div><div class="ttdoc">Get eye separation.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00097">al_Lens.hpp:97</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a8a1ead57336505a5cca9b726fe79933c"><div class="ttname"><a href="classal_1_1_lens.html#a8a1ead57336505a5cca9b726fe79933c">al::Lens::eyeSep</a></div><div class="ttdeci">Lens & eyeSep(double v)</div><div class="ttdoc">Set eye separation.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00086">al_Lens.hpp:86</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a8f50e38855cdbb2f02b49a8a1ad8b9c0"><div class="ttname"><a href="classal_1_1_lens.html#a8f50e38855cdbb2f02b49a8a1ad8b9c0">al::Lens::focalLength</a></div><div class="ttdeci">double focalLength() const</div><div class="ttdoc">Get focal length.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00096">al_Lens.hpp:96</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a93069aa6d4f44c8726604e77ee6dddaa"><div class="ttname"><a href="classal_1_1_lens.html#a93069aa6d4f44c8726604e77ee6dddaa">al::Lens::getFovyForFovX</a></div><div class="ttdeci">static double getFovyForFovX(double fovx, double aspect)</div><div class="ttdoc">Calculate required fovy to produce a specific fovx.</div></div>
<div class="ttc" id="aclassal_1_1_lens_html_a9b94b42decf013829f4f45296211ecc4"><div class="ttname"><a href="classal_1_1_lens.html#a9b94b42decf013829f4f45296211ecc4">al::Lens::Lens</a></div><div class="ttdeci">Lens(double fovy=30, double nearClip=0.1, double farClip=100, double focalLength=6, double eyeSep=0.02)</div></div>
<div class="ttc" id="aclassal_1_1_lens_html_ad2b03d091efe7bbd8bbe05a0c98d4a2d"><div class="ttname"><a href="classal_1_1_lens.html#ad2b03d091efe7bbd8bbe05a0c98d4a2d">al::Lens::fovy</a></div><div class="ttdeci">Lens & fovy(double v)</div><div class="ttdoc">Set vertical field of view, in degrees.</div></div>
<div class="ttc" id="aclassal_1_1_lens_html_ad4c678edfa9d56600096821907f457dd"><div class="ttname"><a href="classal_1_1_lens.html#ad4c678edfa9d56600096821907f457dd">al::Lens::getFovyForHeight</a></div><div class="ttdeci">static double getFovyForHeight(double height, double depth)</div></div>
<div class="ttc" id="aclassal_1_1_lens_html_aea47acdf2e28067af88a0c2f7ddb6ce2"><div class="ttname"><a href="classal_1_1_lens.html#aea47acdf2e28067af88a0c2f7ddb6ce2">al::Lens::heightAtDepth</a></div><div class="ttdeci">double heightAtDepth(double depth) const</div><div class="ttdoc">Returns half the height of the frustum at a given depth.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00106">al_Lens.hpp:106</a></div></div>
<div class="ttc" id="aclassal_1_1_lens_html_af3da9542cf0feb2eebcc34284d8b0f7e"><div class="ttname"><a href="classal_1_1_lens.html#af3da9542cf0feb2eebcc34284d8b0f7e">al::Lens::far</a></div><div class="ttdeci">double far() const</div><div class="ttdoc">Get frustum far plane distance.</div><div class="ttdef"><b>Definition:</b> <a href="al___lens_8hpp_source.html#l00095">al_Lens.hpp:95</a></div></div>
<div class="ttc" id="anamespaceal_html"><div class="ttname"><a href="namespaceal.html">al</a></div><div class="ttdef"><b>Definition:</b> <a href="al___app_8hpp_source.html#l00023">al_App.hpp:23</a></div></div>
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