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<div class="title">al_Gnomon.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_GNOMON_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define INCLUDE_AL_GNOMON_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="preprocessor">#include "al/graphics/al_Font.hpp"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "al/graphics/al_Graphics.hpp"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "al/graphics/al_Mesh.hpp"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "al/graphics/al_Shapes.hpp"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "al/types/al_Color.hpp"</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespaceal.html">al</a> {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="structal_1_1_gnomon.html"> 14</a></span> <span class="keyword">struct </span><a class="code" href="structal_1_1_gnomon.html">Gnomon</a> {</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <a class="code" href="classal_1_1_mesh.html">Mesh</a> gnomonMesh;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <a class="code" href="classal_1_1_mesh.html">Mesh</a> arrowMesh;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="comment">// static Gnomon gnomon;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <a class="code" href="structal_1_1_color.html">Color</a> colors[3];</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *labels[3];</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <a class="code" href="structal_1_1_gnomon.html">Gnomon</a>();</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">void</span> draw(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g);</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structal_1_1_gnomon.html#aedb6978612f11414e60769f4529f05fc"> 28</a></span>  <span class="keywordtype">void</span> <a class="code" href="structal_1_1_gnomon.html#aedb6978612f11414e60769f4529f05fc">drawFloating</a>(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g, <a class="code" href="classal_1_1_pose.html">Pose</a> pose = <a class="code" href="classal_1_1_pose.html">Pose</a>(), <span class="keywordtype">double</span> scale = 1.0);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="structal_1_1_gnomon.html#af1492d6df34d64d3d451e8201081e5ee"> 31</a></span>  <span class="keywordtype">void</span> <a class="code" href="structal_1_1_gnomon.html#af1492d6df34d64d3d451e8201081e5ee">drawAtPos</a>(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g, <a class="code" href="classal_1_1_vec.html">Vec3f</a> pos, <a class="code" href="classal_1_1_pose.html">Pose</a> cam_pose = <a class="code" href="classal_1_1_pose.html">Pose</a>(),</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">double</span> scale = 1.0);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">void</span> drawOrigin(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g, <a class="code" href="classal_1_1_pose.html">Pose</a> cam_pose = <a class="code" href="classal_1_1_pose.html">Pose</a>(), <span class="keywordtype">double</span> scale = 1.0);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structal_1_1_gnomon.html#abc1f2ae96956b1a69dcf7221ab9858da"> 37</a></span>  <span class="keywordtype">void</span> <a class="code" href="structal_1_1_gnomon.html#abc1f2ae96956b1a69dcf7221ab9858da">drawAtPose</a>(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g, <a class="code" href="classal_1_1_pose.html">Pose</a> pose, <a class="code" href="classal_1_1_pose.html">Pose</a> cam_pose = <a class="code" href="classal_1_1_pose.html">Pose</a>(),</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">double</span> scale = 1.0);</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="keywordtype">void</span> drawArrows(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g);</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="keywordtype">void</span> drawLabels(<a class="code" href="classal_1_1_graphics.html">Graphics</a> &g, <a class="code" href="structal_1_1_font_renderer.html">FontRenderer</a> &fontrender, <a class="code" href="classal_1_1_pose.html">Pose</a> cam_pose,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">double</span> scale = 1.0, <a class="code" href="classal_1_1_vec.html">Vec3f</a> offset = <a class="code" href="namespaceal.html#aa460ec02097f6e6be98a1019fb0458e4">Vec3f</a>(0, 0, 0)) {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// XYZ labels</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  g.<a class="code" href="classal_1_1_graphics.html#a664f84c30b45c18d92ce413fefb26609">polygonFill</a>();</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// glEnable(GL_BLEND);</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// glBlendFunc(GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR);</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// glEnable(GL_ALPHA_TEST);</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// glAlphaFunc(GL_GREATER, 0.5);</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  g.<a class="code" href="classal_1_1_graphics.html#a3c0891c141ae9bc5892f31c258b4a9e6">blending</a>(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  g.<a class="code" href="classal_1_1_graphics.html#acb18be3c657ccf0eed2e516d94c2478b">blendTrans</a>();</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 3; i++) {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  g.<a class="code" href="classal_1_1_render_manager.html#ae6787750aeb0ae169118e8f54e862407">pushMatrix</a>();</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classal_1_1_vec.html">Vec3f</a> xform = gnomonMesh.vertices()[(i * 2) + 1];</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classal_1_1_vec.html">Vec3d</a> forward = <a class="code" href="namespaceal.html#a2c986862410061adeaba684e7fffb06b">Vec3d</a>(cam_pose.<a class="code" href="classal_1_1_pose.html#a9553a50b8eaee80cd36d355daffe2a15">pos</a>() - xform - offset).<a class="code" href="classal_1_1_vec.html#a2737e88df374bcf0874ecf24bd72ed64">normalize</a>();</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classal_1_1_quat.html">Quatd</a> rot = <a class="code" href="classal_1_1_quat.html#a0497273c2e588c20908011456464f391">Quatd::getBillboardRotation</a>(forward, cam_pose.<a class="code" href="classal_1_1_pose.html#a2a3ec6e534f08a9d39941b4d80508c6e">uu</a>());</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  g.<a class="code" href="classal_1_1_render_manager.html#ab0d256c29a86df22b2c45d553d913c1d">translate</a>(xform);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  g.<a class="code" href="classal_1_1_render_manager.html#a2fb48fab999fedd9cc42a678329a02e2">rotate</a>(rot);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  g.<a class="code" href="classal_1_1_render_manager.html#a43f6662f100741fd0a9cf86a0976711b">scale</a>(scale);</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>  g.color(colors[i]);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  fontrender.write(labels[i], 0.1);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  fontrender.render(g);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  g.<a class="code" href="classal_1_1_render_manager.html#ad294ec8fd71d5325ff2387864679ae24">popMatrix</a>();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// glDisable(GL_ALPHA_TEST);</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// glDisable(GL_BLEND);</span></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> };</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> } <span class="comment">// namespace al</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Gnomon Gnomon::gnomon;</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassal_1_1_graphics_html"><div class="ttname"><a href="classal_1_1_graphics.html">al::Graphics</a></div><div class="ttdoc">Interface for loading fonts and rendering text.</div><div class="ttdef"><b>Definition:</b> <a href="al___graphics_8hpp_source.html#l00063">al_Graphics.hpp:63</a></div></div>
<div class="ttc" id="aclassal_1_1_graphics_html_a3c0891c141ae9bc5892f31c258b4a9e6"><div class="ttname"><a href="classal_1_1_graphics.html#a3c0891c141ae9bc5892f31c258b4a9e6">al::Graphics::blending</a></div><div class="ttdeci">void blending(bool doBlend)</div><div class="ttdoc">Turn blending on/off.</div><div class="ttdef"><b>Definition:</b> <a href="al___graphics_8hpp_source.html#l00081">al_Graphics.hpp:81</a></div></div>
<div class="ttc" id="aclassal_1_1_graphics_html_a664f84c30b45c18d92ce413fefb26609"><div class="ttname"><a href="classal_1_1_graphics.html#a664f84c30b45c18d92ce413fefb26609">al::Graphics::polygonFill</a></div><div class="ttdeci">void polygonFill()</div><div class="ttdoc">Draw filled polygons.</div><div class="ttdef"><b>Definition:</b> <a href="al___graphics_8hpp_source.html#l00138">al_Graphics.hpp:138</a></div></div>
<div class="ttc" id="aclassal_1_1_graphics_html_acb18be3c657ccf0eed2e516d94c2478b"><div class="ttname"><a href="classal_1_1_graphics.html#acb18be3c657ccf0eed2e516d94c2478b">al::Graphics::blendTrans</a></div><div class="ttdeci">void blendTrans()</div><div class="ttdoc">Set blend mode to transparent (asymmetric)</div><div class="ttdef"><b>Definition:</b> <a href="al___graphics_8hpp_source.html#l00106">al_Graphics.hpp:106</a></div></div>
<div class="ttc" id="aclassal_1_1_mesh_html"><div class="ttname"><a href="classal_1_1_mesh.html">al::Mesh</a></div><div class="ttdoc">Stores buffers related to rendering graphical objects.</div><div class="ttdef"><b>Definition:</b> <a href="al___mesh_8hpp_source.html#l00062">al_Mesh.hpp:62</a></div></div>
<div class="ttc" id="aclassal_1_1_pose_html"><div class="ttname"><a href="classal_1_1_pose.html">al::Pose</a></div><div class="ttdoc">A local coordinate frame.</div><div class="ttdef"><b>Definition:</b> <a href="al___pose_8hpp_source.html#l00063">al_Pose.hpp:63</a></div></div>
<div class="ttc" id="aclassal_1_1_pose_html_a2a3ec6e534f08a9d39941b4d80508c6e"><div class="ttname"><a href="classal_1_1_pose.html#a2a3ec6e534f08a9d39941b4d80508c6e">al::Pose::uu</a></div><div class="ttdeci">Vec3d uu() const</div><div class="ttdoc">Get up unit vector.</div><div class="ttdef"><b>Definition:</b> <a href="al___pose_8hpp_source.html#l00153">al_Pose.hpp:153</a></div></div>
<div class="ttc" id="aclassal_1_1_pose_html_a9553a50b8eaee80cd36d355daffe2a15"><div class="ttname"><a href="classal_1_1_pose.html#a9553a50b8eaee80cd36d355daffe2a15">al::Pose::pos</a></div><div class="ttdeci">Vec3d & pos()</div><div class="ttdoc">Get "position" vector.</div><div class="ttdef"><b>Definition:</b> <a href="al___pose_8hpp_source.html#l00100">al_Pose.hpp:100</a></div></div>
<div class="ttc" id="aclassal_1_1_quat_html"><div class="ttname"><a href="classal_1_1_quat.html">al::Quat< double ></a></div></div>
<div class="ttc" id="aclassal_1_1_quat_html_a0497273c2e588c20908011456464f391"><div class="ttname"><a href="classal_1_1_quat.html#a0497273c2e588c20908011456464f391">al::Quat< double >::getBillboardRotation</a></div><div class="ttdeci">static Quat getBillboardRotation(const Vec< 3, double > &forward, const Vec< 3, double > &up)</div><div class="ttdef"><b>Definition:</b> <a href="al___quat_8hpp_source.html#l00129">al_Quat.hpp:1031</a></div></div>
<div class="ttc" id="aclassal_1_1_render_manager_html_a2fb48fab999fedd9cc42a678329a02e2"><div class="ttname"><a href="classal_1_1_render_manager.html#a2fb48fab999fedd9cc42a678329a02e2">al::RenderManager::rotate</a></div><div class="ttdeci">void rotate(float angle, float x=0., float y=0., float z=1.)</div></div>
<div class="ttc" id="aclassal_1_1_render_manager_html_a43f6662f100741fd0a9cf86a0976711b"><div class="ttname"><a href="classal_1_1_render_manager.html#a43f6662f100741fd0a9cf86a0976711b">al::RenderManager::scale</a></div><div class="ttdeci">void scale(float x, float y, float z=1.)</div><div class="ttdoc">Scale current matrix along each dimension.</div></div>
<div class="ttc" id="aclassal_1_1_render_manager_html_ab0d256c29a86df22b2c45d553d913c1d"><div class="ttname"><a href="classal_1_1_render_manager.html#ab0d256c29a86df22b2c45d553d913c1d">al::RenderManager::translate</a></div><div class="ttdeci">void translate(float x, float y, float z=0.)</div><div class="ttdoc">Translate current matrix.</div></div>
<div class="ttc" id="aclassal_1_1_render_manager_html_ad294ec8fd71d5325ff2387864679ae24"><div class="ttname"><a href="classal_1_1_render_manager.html#ad294ec8fd71d5325ff2387864679ae24">al::RenderManager::popMatrix</a></div><div class="ttdeci">void popMatrix()</div><div class="ttdoc">Pop current matrix stack.</div><div class="ttdef"><b>Definition:</b> <a href="al___render_manager_8hpp_source.html#l00184">al_RenderManager.hpp:184</a></div></div>
<div class="ttc" id="aclassal_1_1_render_manager_html_ae6787750aeb0ae169118e8f54e862407"><div class="ttname"><a href="classal_1_1_render_manager.html#ae6787750aeb0ae169118e8f54e862407">al::RenderManager::pushMatrix</a></div><div class="ttdeci">void pushMatrix()</div><div class="ttdoc">Push current matrix stack.</div><div class="ttdef"><b>Definition:</b> <a href="al___render_manager_8hpp_source.html#l00180">al_RenderManager.hpp:180</a></div></div>
<div class="ttc" id="aclassal_1_1_vec_html"><div class="ttname"><a href="classal_1_1_vec.html">al::Vec< 3, float ></a></div></div>
<div class="ttc" id="aclassal_1_1_vec_html_a2737e88df374bcf0874ecf24bd72ed64"><div class="ttname"><a href="classal_1_1_vec.html#a2737e88df374bcf0874ecf24bd72ed64">al::Vec::normalize</a></div><div class="ttdeci">Vec & normalize(T scale=T(1))</div><div class="ttdoc">Set magnitude to one without changing direction.</div><div class="ttdef"><b>Definition:</b> <a href="al___vec_8hpp_source.html#l00729">al_Vec.hpp:729</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>
<div class="ttc" id="anamespaceal_html_a2c986862410061adeaba684e7fffb06b"><div class="ttname"><a href="namespaceal.html#a2c986862410061adeaba684e7fffb06b">al::Vec3d</a></div><div class="ttdeci">Vec< 3, double > Vec3d</div><div class="ttdoc">double 3-vector</div><div class="ttdef"><b>Definition:</b> <a href="al___vec_8hpp_source.html#l00060">al_Vec.hpp:60</a></div></div>
<div class="ttc" id="anamespaceal_html_aa460ec02097f6e6be98a1019fb0458e4"><div class="ttname"><a href="namespaceal.html#aa460ec02097f6e6be98a1019fb0458e4">al::Vec3f</a></div><div class="ttdeci">Vec< 3, float > Vec3f</div><div class="ttdoc">float 3-vector</div><div class="ttdef"><b>Definition:</b> <a href="al___vec_8hpp_source.html#l00059">al_Vec.hpp:59</a></div></div>
<div class="ttc" id="astructal_1_1_color_html"><div class="ttname"><a href="structal_1_1_color.html">al::Color</a></div><div class="ttdef"><b>Definition:</b> <a href="al___color_8hpp_source.html#l00068">al_Color.hpp:68</a></div></div>
<div class="ttc" id="astructal_1_1_font_renderer_html"><div class="ttname"><a href="structal_1_1_font_renderer.html">al::FontRenderer</a></div><div class="ttdoc">Convenience class to simplify rendering text.</div><div class="ttdef"><b>Definition:</b> <a href="al___font_8hpp_source.html#l00138">al_Font.hpp:138</a></div></div>
<div class="ttc" id="astructal_1_1_gnomon_html"><div class="ttname"><a href="structal_1_1_gnomon.html">al::Gnomon</a></div><div class="ttdef"><b>Definition:</b> <a href="al___gnomon_8hpp_source.html#l00014">al_Gnomon.hpp:14</a></div></div>
<div class="ttc" id="astructal_1_1_gnomon_html_abc1f2ae96956b1a69dcf7221ab9858da"><div class="ttname"><a href="structal_1_1_gnomon.html#abc1f2ae96956b1a69dcf7221ab9858da">al::Gnomon::drawAtPose</a></div><div class="ttdeci">void drawAtPose(Graphics &g, Pose pose, Pose cam_pose=Pose(), double scale=1.0)</div><div class="ttdoc">Gnomon at any pose.</div></div>
<div class="ttc" id="astructal_1_1_gnomon_html_aedb6978612f11414e60769f4529f05fc"><div class="ttname"><a href="structal_1_1_gnomon.html#aedb6978612f11414e60769f4529f05fc">al::Gnomon::drawFloating</a></div><div class="ttdeci">void drawFloating(Graphics &g, Pose pose=Pose(), double scale=1.0)</div><div class="ttdoc">floating gnomon in front of camera</div></div>
<div class="ttc" id="astructal_1_1_gnomon_html_af1492d6df34d64d3d451e8201081e5ee"><div class="ttname"><a href="structal_1_1_gnomon.html#af1492d6df34d64d3d451e8201081e5ee">al::Gnomon::drawAtPos</a></div><div class="ttdeci">void drawAtPos(Graphics &g, Vec3f pos, Pose cam_pose=Pose(), double scale=1.0)</div><div class="ttdoc">Gnomon at any position.</div></div>
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