cpp
/
JoltPhysics
mirror of https://github.com/jrouwe/JoltPhysics.git


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229
							<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.12.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Jolt Physics: Jolt/Geometry/RaySphere.h File Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="clipboard.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="cookie.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
  extensions: ["tex2jax.js"],
  jax: ["input/TeX","output/HTML-CSS"],
});
</script>
<script type="text/javascript" async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr id="projectrow">
  <td id="projectlogo"><img alt="Logo" src="LogoSmall.png"/></td>
  <td id="projectalign">
   <div id="projectname">Jolt Physics
   </div>
   <div id="projectbrief">A multi core friendly Game Physics Engine</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.12.0 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() { codefold.init(0); });
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
  initMenu('',true,false,'search.php','Search',true);
  $(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function(){initNavTree('_ray_sphere_8h.html',''); initResizable(true); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>

<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle"><div class="title">RaySphere.h File Reference</div></div>
</div><!--header-->
<div class="contents">
<div class="textblock"><code>#include &lt;<a class="el" href="_find_root_8h_source.html">Jolt/Math/FindRoot.h</a>&gt;</code><br />
</div>
<p><a href="_ray_sphere_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ae0d53ac665a580da61a2fe0a08f5197c" id="r_ae0d53ac665a580da61a2fe0a08f5197c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a> JPH_INLINE float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae0d53ac665a580da61a2fe0a08f5197c">RaySphere</a> (<a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inRayOrigin, <a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inRayDirection, <a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inSphereCenter, float inSphereRadius)</td></tr>
<tr class="separator:ae0d53ac665a580da61a2fe0a08f5197c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7d756cc06fb7721b3e657d9f31916b74" id="r_a7d756cc06fb7721b3e657d9f31916b74"><td class="memItemLeft" align="right" valign="top">JPH_INLINE int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7d756cc06fb7721b3e657d9f31916b74">RaySphere</a> (<a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inRayOrigin, <a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inRayDirection, <a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inSphereCenter, float inSphereRadius, float &amp;outMinFraction, float &amp;outMaxFraction)</td></tr>
<tr class="separator:a7d756cc06fb7721b3e657d9f31916b74"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
<a id="ae0d53ac665a580da61a2fe0a08f5197c" name="ae0d53ac665a580da61a2fe0a08f5197c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae0d53ac665a580da61a2fe0a08f5197c">&#9670;&#160;</a></span>RaySphere() <span class="overload">[1/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a> JPH_INLINE float RaySphere </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inRayOrigin</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inRayDirection</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inSphereCenter</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inSphereRadius</em></span>&#160;)</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Tests a ray starting at inRayOrigin and extending infinitely in inRayDirection against a sphere, </p><dl class="section return"><dt>Returns</dt><dd>FLT_MAX if there is no intersection, otherwise the fraction along the ray. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">inRayOrigin</td><td>Ray origin. If the ray starts inside the sphere, the returned fraction will be 0. </td></tr>
    <tr><td class="paramname">inRayDirection</td><td>Ray direction. Does not need to be normalized. </td></tr>
    <tr><td class="paramname">inSphereCenter</td><td>Position of the center of the sphere </td></tr>
    <tr><td class="paramname">inSphereRadius</td><td>Radius of the sphere </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a id="a7d756cc06fb7721b3e657d9f31916b74" name="a7d756cc06fb7721b3e657d9f31916b74"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7d756cc06fb7721b3e657d9f31916b74">&#9670;&#160;</a></span>RaySphere() <span class="overload">[2/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">JPH_INLINE int RaySphere </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inRayOrigin</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inRayDirection</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inSphereCenter</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inSphereRadius</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float &amp;</td>          <td class="paramname"><span class="paramname"><em>outMinFraction</em></span>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float &amp;</td>          <td class="paramname"><span class="paramname"><em>outMaxFraction</em></span>&#160;)</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Tests a ray starting at inRayOrigin and extending infinitely in inRayDirection against a sphere. Outputs entry and exit points (outMinFraction and outMaxFraction) along the ray (which could be negative if the hit point is before the start of the ray). </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">inRayOrigin</td><td>Ray origin. If the ray starts inside the sphere, the returned fraction will be 0. </td></tr>
    <tr><td class="paramname">inRayDirection</td><td>Ray direction. Does not need to be normalized. </td></tr>
    <tr><td class="paramname">inSphereCenter</td><td>Position of the center of the sphere. </td></tr>
    <tr><td class="paramname">inSphereRadius</td><td>Radius of the sphere. </td></tr>
    <tr><td class="paramname">outMinFraction</td><td>Returned lowest intersection fraction </td></tr>
    <tr><td class="paramname">outMaxFraction</td><td>Returned highest intersection fraction </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The amount of intersections with the sphere. If 1 intersection is returned outMinFraction will be equal to outMaxFraction </dd></dl>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="dir_d99289a5d3c46cf26f14ff6c90658d9f.html">Jolt</a></li><li class="navelem"><a class="el" href="dir_2d88bf03bf4a7a62918727c0f2ee34eb.html">Geometry</a></li><li class="navelem"><a class="el" href="_ray_sphere_8h.html">RaySphere.h</a></li>
    <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li>
  </ul>
</div>
</body>
</html>