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  108.   <div class="headertitle"><div class="title">RayTriangle.h</div></div>
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  110. <div class="contents">
    111. 

  111. <a href="_ray_triangle_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)</span></div>
    112. 

  112. <div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// SPDX-FileCopyrightText: 2021 Jorrit Rouwe</span></div>
    113. 

  113. <div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">// SPDX-License-Identifier: MIT</span></div>
    114. 

  114. <div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
    115. 

  115. <div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="preprocessor">#pragma once</span></div>
    116. 

  116. <div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
    117. 

  117. <div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><a class="code hl_define" href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a></div>
    118. 

  118. <div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span> </div>
    119. 

  119. <div class="foldopen" id="foldopen00011" data-start="{" data-end="}">
    120. 

  120. <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"><a class="line" href="_ray_triangle_8h.html#a11da2f2945abb380af4d7ffe97b66ba6">   11</a></span>JPH_INLINE <span class="keywordtype">float</span> <a class="code hl_function" href="_ray_triangle_8h.html#a11da2f2945abb380af4d7ffe97b66ba6">RayTriangle</a>(<a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inOrigin, <a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inDirection, <a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inV0, <a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inV1, <a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inV2)</div>
    121. 

  121. <div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span>{</div>
    122. 

  122. <div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span>    <span class="comment">// Epsilon</span></div>
    123. 

  123. <div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> epsilon = <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(1.0e-12f);</div>
    124. 

  124. <div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span> </div>
    125. 

  125. <div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span>    <span class="comment">// Zero &amp; one</span></div>
    126. 

  126. <div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> zero = <a class="code hl_function" href="class_vec3.html#ad03c52ab27761bc1e64e33c47632ba51">Vec3::sZero</a>();</div>
    127. 

  127. <div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> one = <a class="code hl_function" href="class_vec3.html#a6bc0731860c69d4e3151981d2dc24e93">Vec3::sOne</a>();</div>
    128. 

  128. <div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
    129. 

  129. <div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>    <span class="comment">// Find vectors for two edges sharing inV0</span></div>
    130. 

  130. <div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> e1 = inV1 - inV0;</div>
    131. 

  131. <div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> e2 = inV2 - inV0;</div>
    132. 

  132. <div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
    133. 

  133. <div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>    <span class="comment">// Begin calculating determinant - also used to calculate u parameter</span></div>
    134. 

  134. <div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> p = inDirection.<a class="code hl_function" href="class_vec3.html#a224811af391ccfd1e05282eda22d1de8">Cross</a>(e2);</div>
    135. 

  135. <div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
    136. 

  136. <div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    <span class="comment">// if determinant is near zero, ray lies in plane of triangle</span></div>
    137. 

  137. <div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> det = <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(e1.<a class="code hl_function" href="class_vec3.html#a0e078ff09f69e669db71a2b0e37939ff">Dot</a>(p));</div>
    138. 

  138. <div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
    139. 

  139. <div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>    <span class="comment">// Check if determinant is near zero</span></div>
    140. 

  140. <div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>    <a class="code hl_class" href="class_u_vec4.html">UVec4</a> det_near_zero = <a class="code hl_function" href="class_vec3.html#ad376453f8dddd6653c2ead9c02951c48">Vec3::sLess</a>(det.<a class="code hl_function" href="class_vec3.html#a60c863c1cdad322a1af54e77a4af8f02">Abs</a>(), epsilon);</div>
    141. 

  141. <div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
    142. 

  142. <div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span>    <span class="comment">// When the determinant is near zero, set it to one to avoid dividing by zero</span></div>
    143. 

  143. <div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span>    det = <a class="code hl_function" href="class_vec3.html#ae0f4ab3438fe6b9782010ef8212a6d69">Vec3::sSelect</a>(det, <a class="code hl_function" href="class_vec3.html#a6bc0731860c69d4e3151981d2dc24e93">Vec3::sOne</a>(), det_near_zero);</div>
    144. 

  144. <div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
    145. 

  145. <div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>    <span class="comment">// Calculate distance from inV0 to ray origin</span></div>
    146. 

  146. <div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> s = inOrigin - inV0;</div>
    147. 

  147. <div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
    148. 

  148. <div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>    <span class="comment">// Calculate u parameter</span></div>
    149. 

  149. <div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> u = <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(s.<a class="code hl_function" href="class_vec3.html#a0e078ff09f69e669db71a2b0e37939ff">Dot</a>(p)) / det;</div>
    150. 

  150. <div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
    151. 

  151. <div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>    <span class="comment">// Prepare to test v parameter</span></div>
    152. 

  152. <div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> q = s.<a class="code hl_function" href="class_vec3.html#a224811af391ccfd1e05282eda22d1de8">Cross</a>(e1);</div>
    153. 

  153. <div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
    154. 

  154. <div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>    <span class="comment">// Calculate v parameter</span></div>
    155. 

  155. <div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> v = <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(inDirection.<a class="code hl_function" href="class_vec3.html#a0e078ff09f69e669db71a2b0e37939ff">Dot</a>(q)) / det;</div>
    156. 

  156. <div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
    157. 

  157. <div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>    <span class="comment">// Get intersection point</span></div>
    158. 

  158. <div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>    <a class="code hl_class" href="class_vec3.html">Vec3</a> t = <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(e2.<a class="code hl_function" href="class_vec3.html#a0e078ff09f69e669db71a2b0e37939ff">Dot</a>(q)) / det;</div>
    159. 

  159. <div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
    160. 

  160. <div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    <span class="comment">// Check if there is an intersection</span></div>
    161. 

  161. <div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <a class="code hl_class" href="class_u_vec4.html">UVec4</a> no_intersection =</div>
    162. 

  162. <div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>        <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    163. 

  163. <div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>        (</div>
    164. 

  164. <div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>            <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    165. 

  165. <div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>            (</div>
    166. 

  166. <div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>                <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    167. 

  167. <div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>                (</div>
    168. 

  168. <div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>                    det_near_zero,</div>
    169. 

  169. <div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>                    <a class="code hl_function" href="class_vec3.html#ad376453f8dddd6653c2ead9c02951c48">Vec3::sLess</a>(u, zero)</div>
    170. 

  170. <div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>                ),</div>
    171. 

  171. <div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>                <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    172. 

  172. <div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>                (</div>
    173. 

  173. <div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>                    <a class="code hl_function" href="class_vec3.html#ad376453f8dddd6653c2ead9c02951c48">Vec3::sLess</a>(v, zero),</div>
    174. 

  174. <div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>                    <a class="code hl_function" href="class_vec3.html#a8eae791f0661b2c625a42034f6480bd1">Vec3::sGreater</a>(u + v, one)</div>
    175. 

  175. <div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>                )</div>
    176. 

  176. <div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>            ),</div>
    177. 

  177. <div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>            <a class="code hl_function" href="class_vec3.html#ad376453f8dddd6653c2ead9c02951c48">Vec3::sLess</a>(t, zero)</div>
    178. 

  178. <div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>        );</div>
    179. 

  179. <div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span> </div>
    180. 

  180. <div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>    <span class="comment">// Select intersection point or FLT_MAX based on if there is an intersection or not</span></div>
    181. 

  181. <div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="class_vec3.html#ae0f4ab3438fe6b9782010ef8212a6d69">Vec3::sSelect</a>(t, <a class="code hl_function" href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a>(FLT_MAX), no_intersection).<a class="code hl_function" href="class_vec3.html#a284e29f161ae7709a934f402bd2a848c">GetX</a>();</div>
    182. 

  182. <div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>}</div>
    183. 

  183. </div>
    184. 

  184. <div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span> </div>
    185. 

  185. <div class="foldopen" id="foldopen00076" data-start="{" data-end="}">
    186. 

  186. <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="_ray_triangle_8h.html#a78f049474454fce771b6c23635462a8c">   76</a></span>JPH_INLINE <a class="code hl_class" href="class_vec4.html">Vec4</a> <a class="code hl_function" href="_ray_triangle_8h.html#a78f049474454fce771b6c23635462a8c">RayTriangle4</a>(<a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inOrigin, <a class="code hl_class" href="class_vec3.html">Vec3Arg</a> inDirection, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV0X, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV0Y, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV0Z, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV1X, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV1Y, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV1Z, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV2X, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV2Y, <a class="code hl_class" href="class_vec4.html">Vec4Arg</a> inV2Z)</div>
    187. 

  187. <div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>{</div>
    188. 

  188. <div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    <span class="comment">// Epsilon</span></div>
    189. 

  189. <div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> epsilon = <a class="code hl_function" href="class_vec4.html#af18f350dd2885dc48ff7e7cbf4b8bc9d">Vec4::sReplicate</a>(1.0e-12f);</div>
    190. 

  190. <div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span> </div>
    191. 

  191. <div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    <span class="comment">// Zero</span></div>
    192. 

  192. <div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> zero = <a class="code hl_function" href="class_vec4.html#ab3d9624594386baa4ebd8c1d340ce924">Vec4::sZero</a>();</div>
    193. 

  193. <div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
    194. 

  194. <div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <span class="comment">// Find vectors for two edges sharing inV0</span></div>
    195. 

  195. <div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e1x = inV1X - inV0X;</div>
    196. 

  196. <div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e1y = inV1Y - inV0Y;</div>
    197. 

  197. <div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e1z = inV1Z - inV0Z;</div>
    198. 

  198. <div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e2x = inV2X - inV0X;</div>
    199. 

  199. <div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e2y = inV2Y - inV0Y;</div>
    200. 

  200. <div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> e2z = inV2Z - inV0Z;</div>
    201. 

  201. <div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
    202. 

  202. <div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="comment">// Get direction vector components</span></div>
    203. 

  203. <div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> dx = inDirection.<a class="code hl_function" href="class_vec3.html#a1b03f087ce2755a85ccba4ba56f1e64b">SplatX</a>();</div>
    204. 

  204. <div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> dy = inDirection.<a class="code hl_function" href="class_vec3.html#aad5b4211a6d98be56362559eefd9b029">SplatY</a>();</div>
    205. 

  205. <div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> dz = inDirection.<a class="code hl_function" href="class_vec3.html#a81f4448e17219aafda0e3b886709d1f4">SplatZ</a>();</div>
    206. 

  206. <div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span> </div>
    207. 

  207. <div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    <span class="comment">// Begin calculating determinant - also used to calculate u parameter</span></div>
    208. 

  208. <div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> px = dy * e2z - dz * e2y;</div>
    209. 

  209. <div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> py = dz * e2x - dx * e2z;</div>
    210. 

  210. <div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> pz = dx * e2y - dy * e2x;</div>
    211. 

  211. <div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span> </div>
    212. 

  212. <div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    <span class="comment">// if determinant is near zero, ray lies in plane of triangle</span></div>
    213. 

  213. <div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> det = e1x * px + e1y * py + e1z * pz;</div>
    214. 

  214. <div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
    215. 

  215. <div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="comment">// Get sign bit for determinant and make positive</span></div>
    216. 

  216. <div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> det_sign = <a class="code hl_function" href="class_vec4.html#a1b0f06643e493c801cdd07a18ff8b2dd">Vec4::sAnd</a>(det, <a class="code hl_function" href="class_u_vec4.html#a4287a7bd825aaf6111f310e0c92bd152">UVec4::sReplicate</a>(0x80000000).ReinterpretAsFloat());</div>
    217. 

  217. <div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    det = <a class="code hl_function" href="class_vec4.html#a31e9dd5a7d6d4dc05efb55a36a8e80d9">Vec4::sXor</a>(det, det_sign);</div>
    218. 

  218. <div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
    219. 

  219. <div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="comment">// Check which determinants are near zero</span></div>
    220. 

  220. <div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    <a class="code hl_class" href="class_u_vec4.html">UVec4</a> det_near_zero = <a class="code hl_function" href="class_vec4.html#a4c8600bd26d971542437d4f31258dea4">Vec4::sLess</a>(det, epsilon);</div>
    221. 

  221. <div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
    222. 

  222. <div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>    <span class="comment">// Set components of the determinant to 1 that are near zero to avoid dividing by zero</span></div>
    223. 

  223. <div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    det = <a class="code hl_function" href="class_vec4.html#aea48c2f435bcc4ddbc79bfb5ddf04c6b">Vec4::sSelect</a>(det, <a class="code hl_function" href="class_vec4.html#a54dea23742dc76fe33a06a748a478dc9">Vec4::sOne</a>(), det_near_zero);</div>
    224. 

  224. <div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
    225. 

  225. <div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    <span class="comment">// Calculate distance from inV0 to ray origin</span></div>
    226. 

  226. <div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> sx = inOrigin.<a class="code hl_function" href="class_vec3.html#a1b03f087ce2755a85ccba4ba56f1e64b">SplatX</a>() - inV0X;</div>
    227. 

  227. <div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> sy = inOrigin.<a class="code hl_function" href="class_vec3.html#aad5b4211a6d98be56362559eefd9b029">SplatY</a>() - inV0Y;</div>
    228. 

  228. <div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> sz = inOrigin.<a class="code hl_function" href="class_vec3.html#a81f4448e17219aafda0e3b886709d1f4">SplatZ</a>() - inV0Z;</div>
    229. 

  229. <div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span> </div>
    230. 

  230. <div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="comment">// Calculate u parameter and flip sign if determinant was negative</span></div>
    231. 

  231. <div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> u = <a class="code hl_function" href="class_vec4.html#a31e9dd5a7d6d4dc05efb55a36a8e80d9">Vec4::sXor</a>(sx * px + sy * py + sz * pz, det_sign);</div>
    232. 

  232. <div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
    233. 

  233. <div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    <span class="comment">// Prepare to test v parameter</span></div>
    234. 

  234. <div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> qx = sy * e1z - sz * e1y;</div>
    235. 

  235. <div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> qy = sz * e1x - sx * e1z;</div>
    236. 

  236. <div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> qz = sx * e1y - sy * e1x;</div>
    237. 

  237. <div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span> </div>
    238. 

  238. <div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    <span class="comment">// Calculate v parameter and flip sign if determinant was negative</span></div>
    239. 

  239. <div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> v = <a class="code hl_function" href="class_vec4.html#a31e9dd5a7d6d4dc05efb55a36a8e80d9">Vec4::sXor</a>(dx * qx + dy * qy + dz * qz, det_sign);</div>
    240. 

  240. <div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
    241. 

  241. <div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    <span class="comment">// Get intersection point and flip sign if determinant was negative</span></div>
    242. 

  242. <div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    <a class="code hl_class" href="class_vec4.html">Vec4</a> t = <a class="code hl_function" href="class_vec4.html#a31e9dd5a7d6d4dc05efb55a36a8e80d9">Vec4::sXor</a>(e2x * qx + e2y * qy + e2z * qz, det_sign);</div>
    243. 

  243. <div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
    244. 

  244. <div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>    <span class="comment">// Check if there is an intersection</span></div>
    245. 

  245. <div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    <a class="code hl_class" href="class_u_vec4.html">UVec4</a> no_intersection =</div>
    246. 

  246. <div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>        <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    247. 

  247. <div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        (</div>
    248. 

  248. <div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>            <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    249. 

  249. <div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>            (</div>
    250. 

  250. <div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>                <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    251. 

  251. <div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>                (</div>
    252. 

  252. <div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>                    det_near_zero,</div>
    253. 

  253. <div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>                    <a class="code hl_function" href="class_vec4.html#a4c8600bd26d971542437d4f31258dea4">Vec4::sLess</a>(u, zero)</div>
    254. 

  254. <div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>                ),</div>
    255. 

  255. <div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>                <a class="code hl_function" href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div>
    256. 

  256. <div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>                (</div>
    257. 

  257. <div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>                    <a class="code hl_function" href="class_vec4.html#a4c8600bd26d971542437d4f31258dea4">Vec4::sLess</a>(v, zero),</div>
    258. 

  258. <div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>                    <a class="code hl_function" href="class_vec4.html#a0f083eb84bb57838bafaa1074a5c292e">Vec4::sGreater</a>(u + v, det)</div>
    259. 

  259. <div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>                )</div>
    260. 

  260. <div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>            ),</div>
    261. 

  261. <div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>            <a class="code hl_function" href="class_vec4.html#a4c8600bd26d971542437d4f31258dea4">Vec4::sLess</a>(t, zero)</div>
    262. 

  262. <div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>        );</div>
    263. 

  263. <div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span> </div>
    264. 

  264. <div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    <span class="comment">// Select intersection point or FLT_MAX based on if there is an intersection or not</span></div>
    265. 

  265. <div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="class_vec4.html#aea48c2f435bcc4ddbc79bfb5ddf04c6b">Vec4::sSelect</a>(t / det, <a class="code hl_function" href="class_vec4.html#af18f350dd2885dc48ff7e7cbf4b8bc9d">Vec4::sReplicate</a>(FLT_MAX), no_intersection);</div>
    266. 

  266. <div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>}</div>
    267. 

  267. </div>
    268. 

  268. <div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span> </div>
    269. 

  269. <div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><a class="code hl_define" href="_core_8h.html#a73da8725998b00321a9db341202d650d">JPH_NAMESPACE_END</a></div>
    270. 

  270. <div class="ttc" id="a_core_8h_html_a73da8725998b00321a9db341202d650d"><div class="ttname"><a href="_core_8h.html#a73da8725998b00321a9db341202d650d">JPH_NAMESPACE_END</a></div><div class="ttdeci">#define JPH_NAMESPACE_END</div><div class="ttdef"><b>Definition</b> Core.h:425</div></div>
    271. 

  271. <div class="ttc" id="a_core_8h_html_ad14098b68b8c44ea6112601031268405"><div class="ttname"><a href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a></div><div class="ttdeci">#define JPH_NAMESPACE_BEGIN</div><div class="ttdef"><b>Definition</b> Core.h:419</div></div>
    272. 

  272. <div class="ttc" id="a_ray_triangle_8h_html_a11da2f2945abb380af4d7ffe97b66ba6"><div class="ttname"><a href="_ray_triangle_8h.html#a11da2f2945abb380af4d7ffe97b66ba6">RayTriangle</a></div><div class="ttdeci">JPH_NAMESPACE_BEGIN JPH_INLINE float RayTriangle(Vec3Arg inOrigin, Vec3Arg inDirection, Vec3Arg inV0, Vec3Arg inV1, Vec3Arg inV2)</div><div class="ttdef"><b>Definition</b> RayTriangle.h:11</div></div>
    273. 

  273. <div class="ttc" id="a_ray_triangle_8h_html_a78f049474454fce771b6c23635462a8c"><div class="ttname"><a href="_ray_triangle_8h.html#a78f049474454fce771b6c23635462a8c">RayTriangle4</a></div><div class="ttdeci">JPH_INLINE Vec4 RayTriangle4(Vec3Arg inOrigin, Vec3Arg inDirection, Vec4Arg inV0X, Vec4Arg inV0Y, Vec4Arg inV0Z, Vec4Arg inV1X, Vec4Arg inV1Y, Vec4Arg inV1Z, Vec4Arg inV2X, Vec4Arg inV2Y, Vec4Arg inV2Z)</div><div class="ttdoc">Intersect ray with 4 triangles in SOA format, returns 4 vector of closest points or FLT_MAX if no hit...</div><div class="ttdef"><b>Definition</b> RayTriangle.h:76</div></div>
    274. 

  274. <div class="ttc" id="aclass_u_vec4_html"><div class="ttname"><a href="class_u_vec4.html">UVec4</a></div><div class="ttdef"><b>Definition</b> UVec4.h:12</div></div>
    275. 

  275. <div class="ttc" id="aclass_u_vec4_html_a4287a7bd825aaf6111f310e0c92bd152"><div class="ttname"><a href="class_u_vec4.html#a4287a7bd825aaf6111f310e0c92bd152">UVec4::sReplicate</a></div><div class="ttdeci">static JPH_INLINE UVec4 sReplicate(uint32 inV)</div><div class="ttdoc">Replicate int inV across all components.</div><div class="ttdef"><b>Definition</b> UVec4.inl:56</div></div>
    276. 

  276. <div class="ttc" id="aclass_u_vec4_html_a7a3a55e425174799fab88e508c62fa64"><div class="ttname"><a href="class_u_vec4.html#a7a3a55e425174799fab88e508c62fa64">UVec4::sOr</a></div><div class="ttdeci">static JPH_INLINE UVec4 sOr(UVec4Arg inV1, UVec4Arg inV2)</div><div class="ttdoc">Logical or (component wise)</div><div class="ttdef"><b>Definition</b> UVec4.inl:174</div></div>
    277. 

  277. <div class="ttc" id="aclass_vec3_html"><div class="ttname"><a href="class_vec3.html">Vec3</a></div><div class="ttdef"><b>Definition</b> Vec3.h:17</div></div>
    278. 

  278. <div class="ttc" id="aclass_vec3_html_a0e078ff09f69e669db71a2b0e37939ff"><div class="ttname"><a href="class_vec3.html#a0e078ff09f69e669db71a2b0e37939ff">Vec3::Dot</a></div><div class="ttdeci">JPH_INLINE float Dot(Vec3Arg inV2) const</div><div class="ttdoc">Dot product.</div><div class="ttdef"><b>Definition</b> Vec3.inl:650</div></div>
    279. 

  279. <div class="ttc" id="aclass_vec3_html_a1b03f087ce2755a85ccba4ba56f1e64b"><div class="ttname"><a href="class_vec3.html#a1b03f087ce2755a85ccba4ba56f1e64b">Vec3::SplatX</a></div><div class="ttdeci">JPH_INLINE Vec4 SplatX() const</div><div class="ttdoc">Replicate the X component to all components.</div><div class="ttdef"><b>Definition</b> Vec3.inl:534</div></div>
    280. 

  280. <div class="ttc" id="aclass_vec3_html_a224811af391ccfd1e05282eda22d1de8"><div class="ttname"><a href="class_vec3.html#a224811af391ccfd1e05282eda22d1de8">Vec3::Cross</a></div><div class="ttdeci">JPH_INLINE Vec3 Cross(Vec3Arg inV2) const</div><div class="ttdoc">Cross product.</div><div class="ttdef"><b>Definition</b> Vec3.inl:595</div></div>
    281. 

  281. <div class="ttc" id="aclass_vec3_html_a284e29f161ae7709a934f402bd2a848c"><div class="ttname"><a href="class_vec3.html#a284e29f161ae7709a934f402bd2a848c">Vec3::GetX</a></div><div class="ttdeci">JPH_INLINE float GetX() const</div><div class="ttdoc">Get individual components.</div><div class="ttdef"><b>Definition</b> Vec3.h:127</div></div>
    282. 

  282. <div class="ttc" id="aclass_vec3_html_a60c863c1cdad322a1af54e77a4af8f02"><div class="ttname"><a href="class_vec3.html#a60c863c1cdad322a1af54e77a4af8f02">Vec3::Abs</a></div><div class="ttdeci">JPH_INLINE Vec3 Abs() const</div><div class="ttdoc">Return the absolute value of each of the components.</div><div class="ttdef"><b>Definition</b> Vec3.inl:577</div></div>
    283. 

  283. <div class="ttc" id="aclass_vec3_html_a6bc0731860c69d4e3151981d2dc24e93"><div class="ttname"><a href="class_vec3.html#a6bc0731860c69d4e3151981d2dc24e93">Vec3::sOne</a></div><div class="ttdeci">static JPH_INLINE Vec3 sOne()</div><div class="ttdoc">Vector with all ones.</div><div class="ttdef"><b>Definition</b> Vec3.inl:125</div></div>
    284. 

  284. <div class="ttc" id="aclass_vec3_html_a81f4448e17219aafda0e3b886709d1f4"><div class="ttname"><a href="class_vec3.html#a81f4448e17219aafda0e3b886709d1f4">Vec3::SplatZ</a></div><div class="ttdeci">JPH_INLINE Vec4 SplatZ() const</div><div class="ttdoc">Replicate the Z component to all components.</div><div class="ttdef"><b>Definition</b> Vec3.inl:556</div></div>
    285. 

  285. <div class="ttc" id="aclass_vec3_html_a8eae791f0661b2c625a42034f6480bd1"><div class="ttname"><a href="class_vec3.html#a8eae791f0661b2c625a42034f6480bd1">Vec3::sGreater</a></div><div class="ttdeci">static JPH_INLINE UVec4 sGreater(Vec3Arg inV1, Vec3Arg inV2)</div><div class="ttdoc">Greater than (component wise)</div><div class="ttdef"><b>Definition</b> Vec3.inl:223</div></div>
    286. 

  286. <div class="ttc" id="aclass_vec3_html_aad5b4211a6d98be56362559eefd9b029"><div class="ttname"><a href="class_vec3.html#aad5b4211a6d98be56362559eefd9b029">Vec3::SplatY</a></div><div class="ttdeci">JPH_INLINE Vec4 SplatY() const</div><div class="ttdoc">Replicate the Y component to all components.</div><div class="ttdef"><b>Definition</b> Vec3.inl:545</div></div>
    287. 

  287. <div class="ttc" id="aclass_vec3_html_ad03c52ab27761bc1e64e33c47632ba51"><div class="ttname"><a href="class_vec3.html#ad03c52ab27761bc1e64e33c47632ba51">Vec3::sZero</a></div><div class="ttdeci">static JPH_INLINE Vec3 sZero()</div><div class="ttdoc">Vector with all zeros.</div><div class="ttdef"><b>Definition</b> Vec3.inl:103</div></div>
    288. 

  288. <div class="ttc" id="aclass_vec3_html_ad376453f8dddd6653c2ead9c02951c48"><div class="ttname"><a href="class_vec3.html#ad376453f8dddd6653c2ead9c02951c48">Vec3::sLess</a></div><div class="ttdeci">static JPH_INLINE UVec4 sLess(Vec3Arg inV1, Vec3Arg inV2)</div><div class="ttdoc">Less than (component wise)</div><div class="ttdef"><b>Definition</b> Vec3.inl:193</div></div>
    289. 

  289. <div class="ttc" id="aclass_vec3_html_ad6be51ce14811d6c196784d20cb39b98"><div class="ttname"><a href="class_vec3.html#ad6be51ce14811d6c196784d20cb39b98">Vec3::sReplicate</a></div><div class="ttdeci">static JPH_INLINE Vec3 sReplicate(float inV)</div><div class="ttdoc">Replicate inV across all components.</div><div class="ttdef"><b>Definition</b> Vec3.inl:114</div></div>
    290. 

  290. <div class="ttc" id="aclass_vec3_html_ae0f4ab3438fe6b9782010ef8212a6d69"><div class="ttname"><a href="class_vec3.html#ae0f4ab3438fe6b9782010ef8212a6d69">Vec3::sSelect</a></div><div class="ttdeci">static JPH_INLINE Vec3 sSelect(Vec3Arg inNotSet, Vec3Arg inSet, UVec4Arg inControl)</div><div class="ttdoc">Component wise select, returns inNotSet when highest bit of inControl = 0 and inSet when highest bit ...</div><div class="ttdef"><b>Definition</b> Vec3.inl:270</div></div>
    291. 

  291. <div class="ttc" id="aclass_vec4_html"><div class="ttname"><a href="class_vec4.html">Vec4</a></div><div class="ttdef"><b>Definition</b> Vec4.h:14</div></div>
    292. 

  292. <div class="ttc" id="aclass_vec4_html_a0f083eb84bb57838bafaa1074a5c292e"><div class="ttname"><a href="class_vec4.html#a0f083eb84bb57838bafaa1074a5c292e">Vec4::sGreater</a></div><div class="ttdeci">static JPH_INLINE UVec4 sGreater(Vec4Arg inV1, Vec4Arg inV2)</div><div class="ttdoc">Greater than (component wise)</div><div class="ttdef"><b>Definition</b> Vec4.inl:218</div></div>
    293. 

  293. <div class="ttc" id="aclass_vec4_html_a1b0f06643e493c801cdd07a18ff8b2dd"><div class="ttname"><a href="class_vec4.html#a1b0f06643e493c801cdd07a18ff8b2dd">Vec4::sAnd</a></div><div class="ttdeci">static JPH_INLINE Vec4 sAnd(Vec4Arg inV1, Vec4Arg inV2)</div><div class="ttdoc">Logical and (component wise)</div><div class="ttdef"><b>Definition</b> Vec4.inl:303</div></div>
    294. 

  294. <div class="ttc" id="aclass_vec4_html_a31e9dd5a7d6d4dc05efb55a36a8e80d9"><div class="ttname"><a href="class_vec4.html#a31e9dd5a7d6d4dc05efb55a36a8e80d9">Vec4::sXor</a></div><div class="ttdeci">static JPH_INLINE Vec4 sXor(Vec4Arg inV1, Vec4Arg inV2)</div><div class="ttdoc">Logical xor (component wise)</div><div class="ttdef"><b>Definition</b> Vec4.inl:292</div></div>
    295. 

  295. <div class="ttc" id="aclass_vec4_html_a4c8600bd26d971542437d4f31258dea4"><div class="ttname"><a href="class_vec4.html#a4c8600bd26d971542437d4f31258dea4">Vec4::sLess</a></div><div class="ttdeci">static JPH_INLINE UVec4 sLess(Vec4Arg inV1, Vec4Arg inV2)</div><div class="ttdoc">Less than (component wise)</div><div class="ttdef"><b>Definition</b> Vec4.inl:190</div></div>
    296. 

  296. <div class="ttc" id="aclass_vec4_html_a54dea23742dc76fe33a06a748a478dc9"><div class="ttname"><a href="class_vec4.html#a54dea23742dc76fe33a06a748a478dc9">Vec4::sOne</a></div><div class="ttdeci">static JPH_INLINE Vec4 sOne()</div><div class="ttdoc">Vector with all ones.</div><div class="ttdef"><b>Definition</b> Vec4.inl:85</div></div>
    297. 

  297. <div class="ttc" id="aclass_vec4_html_ab3d9624594386baa4ebd8c1d340ce924"><div class="ttname"><a href="class_vec4.html#ab3d9624594386baa4ebd8c1d340ce924">Vec4::sZero</a></div><div class="ttdeci">static JPH_INLINE Vec4 sZero()</div><div class="ttdoc">Vector with all zeros.</div><div class="ttdef"><b>Definition</b> Vec4.inl:63</div></div>
    298. 

  298. <div class="ttc" id="aclass_vec4_html_aea48c2f435bcc4ddbc79bfb5ddf04c6b"><div class="ttname"><a href="class_vec4.html#aea48c2f435bcc4ddbc79bfb5ddf04c6b">Vec4::sSelect</a></div><div class="ttdeci">static JPH_INLINE Vec4 sSelect(Vec4Arg inNotSet, Vec4Arg inSet, UVec4Arg inControl)</div><div class="ttdoc">Component wise select, returns inNotSet when highest bit of inControl = 0 and inSet when highest bit ...</div><div class="ttdef"><b>Definition</b> Vec4.inl:264</div></div>
    299. 

  299. <div class="ttc" id="aclass_vec4_html_af18f350dd2885dc48ff7e7cbf4b8bc9d"><div class="ttname"><a href="class_vec4.html#af18f350dd2885dc48ff7e7cbf4b8bc9d">Vec4::sReplicate</a></div><div class="ttdeci">static JPH_INLINE Vec4 sReplicate(float inV)</div><div class="ttdoc">Replicate inV across all components.</div><div class="ttdef"><b>Definition</b> Vec4.inl:74</div></div>
    300. 

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