5070880428
This allows building against the same version of GLM across all targets and not deal with API changes of newer GLM versions which introduce regressions. Long term we want to migrate away from GLM and stick to a minimal self-written subset.
167 lines
18 KiB
HTML
167 lines
18 KiB
HTML
<!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 1.8.10"/>
|
|
<title>0.9.7: _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 id="projectlogo"><img alt="Logo" src="logo.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">0.9.7
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.10 -->
|
|
<div id="navrow1" class="tabs">
|
|
<ul class="tablist">
|
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
|
<li><a href="modules.html"><span>Modules</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 List</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_275089585c7fc1b5fd5d7d42c69cb1da.html">D:</a></li><li class="navelem"><a class="el" href="dir_7b98f88bffbed4b390b5f8f520d9c08e.html">Source</a></li><li class="navelem"><a class="el" href="dir_1f76e953200861345293ade84ac7fb6c.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_e29b03b892e0e25920d021a614d4db9b.html">glm</a></li><li class="navelem"><a class="el" href="dir_5ce58d942b2d0776e17a9a58abc01e04.html">glm</a></li><li class="navelem"><a class="el" href="dir_e529a619cfdec1fa4c331fb042fd332f.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="a00003.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#pragma once</span></div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "../vec2.hpp"</span></div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "../vec3.hpp"</span></div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "../vec4.hpp"</span></div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "../common.hpp"</span></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="keyword">namespace </span><a class="code" href="a00146.html">glm</a>{</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>detail</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  GLM_FUNC_QUALIFIER T mod289(T <span class="keyword">const</span> & x)</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> x - <a class="code" href="a00151.html#ga568b822b78f045f77c3325e165b44d5d">floor</a>(x * static_cast<T>(1.0) / static_cast<T>(289.0)) * <span class="keyword">static_cast<</span>T<span class="keyword">></span>(289.0);</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  GLM_FUNC_QUALIFIER T permute(T <span class="keyword">const</span> & x)</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  GLM_FUNC_QUALIFIER tvec2<T, P> permute(tvec2<T, P> <span class="keyword">const</span> & x)</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>  <span class="keywordflow">return</span> mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  GLM_FUNC_QUALIFIER tvec3<T, P> permute(tvec3<T, P> <span class="keyword">const</span> & x)</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</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="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  GLM_FUNC_QUALIFIER tvec4<T, P> permute(tvec4<T, P> <span class="keyword">const</span> & x)</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);</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">/*</span></div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> template <typename T, precision P, template<typename> class vecType></span></div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> GLM_FUNC_QUALIFIER vecType<T, P> permute(vecType<T, P> const & x)</span></div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> {</span></div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> return mod289(((x * T(34)) + T(1)) * x);</span></div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> }</span></div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">*/</span></div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  GLM_FUNC_QUALIFIER T taylorInvSqrt(T <span class="keyword">const</span> & r)</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  GLM_FUNC_QUALIFIER tvec2<T, P> taylorInvSqrt(tvec2<T, P> <span class="keyword">const</span> & r)</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  GLM_FUNC_QUALIFIER tvec3<T, P> taylorInvSqrt(tvec3<T, P> <span class="keyword">const</span> & r)</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  GLM_FUNC_QUALIFIER tvec4<T, P> taylorInvSqrt(tvec4<T, P> <span class="keyword">const</span> & r)</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> T(1.79284291400159) - T(0.85373472095314) * r;</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> template <typename T, precision P, template<typename> class vecType></span></div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> GLM_FUNC_QUALIFIER vecType<T, P> taylorInvSqrt(vecType<T, P> const & r)</span></div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> {</span></div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> return T(1.79284291400159) - T(0.85373472095314) * r;</span></div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> }</span></div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">*/</span></div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  GLM_FUNC_QUALIFIER tvec2<T, P> fade(tvec2<T, P> <span class="keyword">const</span> & t)</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  GLM_FUNC_QUALIFIER tvec3<T, P> fade(tvec3<T, P> <span class="keyword">const</span> & t)</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  GLM_FUNC_QUALIFIER tvec4<T, P> fade(tvec4<T, P> <span class="keyword">const</span> & t)</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> template <typename T, precision P, template <typename> class vecType></span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> GLM_FUNC_QUALIFIER vecType<T, P> fade(vecType<T, P> const & t)</span></div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> {</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));</span></div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> }</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">*/</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }<span class="comment">//namespace detail</span></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }<span class="comment">//namespace glm</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
|
|
<div class="ttc" id="a00151_html_ga568b822b78f045f77c3325e165b44d5d"><div class="ttname"><a href="a00151.html#ga568b822b78f045f77c3325e165b44d5d">glm::floor</a></div><div class="ttdeci">GLM_FUNC_DECL vecType< T, P > floor(vecType< T, P > const &x)</div><div class="ttdoc">Returns a value equal to the nearest integer that is less then or equal to x. </div></div>
|
|
<div class="ttc" id="a00146_html"><div class="ttname"><a href="a00146.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00040">_noise.hpp:40</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.10
|
|
</small></address>
|
|
</body>
|
|
</html>
|