anulax
/
glm
1
0
Fork 0
Code Issues Pull Requests Packages project_board Releases Wiki Activity
OpenGL Mathematics (GLM)
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
2069 Commits
1 Branch
0 Tags
73 MiB
 
 
 
Tag: Branch: Tree: 6f3765d281
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from "6f3765d281"
${ noResults }
glm/doc/api/a00007_source.html

166 lines
18 KiB
Raw Blame History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.5"/>
<title>GLM: _noise.hpp Source File</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>
<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 style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">GLM
&#160;<span id="projectnumber">0.9.5</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.5 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="pages.html"><span>Related&#160;Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File&#160;List</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_8ceffd4ee35c3518d4e8bdc7e638efe8.html">Users</a></li><li class="navelem"><a class="el" href="dir_968fb7988749a6351e7b3d0c1783dec4.html">Groove</a></li><li class="navelem"><a class="el" href="dir_6e418c18ca640a0404613de005739e2e.html">Documents</a></li><li class="navelem"><a class="el" href="dir_e3ecd7863bd215c92a17f47e2ae3be43.html">GitHub</a></li><li class="navelem"><a class="el" href="dir_edf753475b928be648c1cf1c6443cf63.html">glm</a></li><li class="navelem"><a class="el" href="dir_e50778361fd4ab4de52181ed9eb2b726.html">glm</a></li><li class="navelem"><a class="el" href="dir_4d1ca7e3aefdd5b86b5dba8da1c3d503.html">detail</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">_noise.hpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="a00007.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#ifndef GLM_DETAIL_NOISE_INCLUDED</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GLM_DETAIL_NOISE_INCLUDED</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">namespace </span>glm{</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; GLM_FUNC_QUALIFIER T mod289(T <span class="keyword">const</span> &amp; x)</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordflow">return</span> x - <a class="code" href="a00155.html#ga86350252cc9bf86421317460bbd1f21c">floor</a>(x * static_cast&lt;T&gt;(1.0) / static_cast&lt;T&gt;(289.0)) * <span class="keyword">static_cast&lt;</span>T<span class="keyword">&gt;</span>(289.0);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; GLM_FUNC_QUALIFIER T permute(T <span class="keyword">const</span> &amp; x)</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> mod289(((x * static_cast&lt;T&gt;(34)) + static_cast&lt;T&gt;(1)) * x);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; GLM_FUNC_QUALIFIER tvec2&lt;T, P&gt; permute(tvec2&lt;T, P&gt; <span class="keyword">const</span> &amp; x)</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span> mod289(((x * static_cast&lt;T&gt;(34)) + static_cast&lt;T&gt;(1)) * x);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; GLM_FUNC_QUALIFIER tvec3&lt;T, P&gt; permute(tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; x)</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">return</span> mod289(((x * static_cast&lt;T&gt;(34)) + static_cast&lt;T&gt;(1)) * x);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; GLM_FUNC_QUALIFIER tvec4&lt;T, P&gt; permute(tvec4&lt;T, P&gt; <span class="keyword">const</span> &amp; x)</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> mod289(((x * static_cast&lt;T&gt;(34)) + static_cast&lt;T&gt;(1)) * x);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment"> template &lt;typename T, precision P, template&lt;typename&gt; class vecType&gt;</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment"> GLM_FUNC_QUALIFIER vecType&lt;T, P&gt; permute(vecType&lt;T, P&gt; const &amp; x)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment"> {</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment"> return mod289(((x * T(34)) + T(1)) * x);</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="comment"> }</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; GLM_FUNC_QUALIFIER T taylorInvSqrt(T <span class="keyword">const</span> &amp; r)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; GLM_FUNC_QUALIFIER detail::tvec2&lt;T, P&gt; taylorInvSqrt(detail::tvec2&lt;T, P&gt; <span class="keyword">const</span> &amp; r)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; GLM_FUNC_QUALIFIER detail::tvec3&lt;T, P&gt; taylorInvSqrt(detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; r)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; GLM_FUNC_QUALIFIER detail::tvec4&lt;T, P&gt; taylorInvSqrt(detail::tvec4&lt;T, P&gt; <span class="keyword">const</span> &amp; r)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="comment"> template &lt;typename T, precision P, template&lt;typename&gt; class vecType&gt;</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="comment"> GLM_FUNC_QUALIFIER vecType&lt;T, P&gt; taylorInvSqrt(vecType&lt;T, P&gt; const &amp; r)</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"> {</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"> return T(1.79284291400159) - T(0.85373472095314) * r;</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment"> }</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; GLM_FUNC_QUALIFIER detail::tvec2&lt;T, P&gt; fade(detail::tvec2&lt;T, P&gt; <span class="keyword">const</span> &amp; t)</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; GLM_FUNC_QUALIFIER detail::tvec3&lt;T, P&gt; fade(detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; t)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; GLM_FUNC_QUALIFIER detail::tvec4&lt;T, P&gt; fade(detail::tvec4&lt;T, P&gt; <span class="keyword">const</span> &amp; t)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment"> template &lt;typename T, precision P, template &lt;typename&gt; class vecType&gt;</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment"> GLM_FUNC_QUALIFIER vecType&lt;T, P&gt; fade(vecType&lt;T, P&gt; const &amp; t)</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="comment"> {</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="comment"> return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment"> }</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;}<span class="comment">//namespace detail</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;}<span class="comment">//namespace glm</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="preprocessor">#endif//GLM_DETAIL_NOISE_INCLUDED</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="preprocessor"></span></div>
<div class="ttc" id="a00155_html_ga86350252cc9bf86421317460bbd1f21c"><div class="ttname"><a href="a00155.html#ga86350252cc9bf86421317460bbd1f21c">glm::floor</a></div><div class="ttdeci">GLM_FUNC_DECL genType floor(genType const &amp;x)</div><div class="ttdoc">Returns a value equal to the nearest integer that is less then or equal to x. </div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.5
</small></address>
</body>
</html>