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  5. <title>GLM: glm::gtc::matrix_projection Namespace Reference</title>
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  25.   <div class="navpath"><a class="el" href="a00124.html">glm</a>::<a class="el" href="a00142.html">gtc</a>::<a class="el" href="a00146.html">matrix_projection</a>
    26. 

  26.   </div>
    27. 

  27. </div>
    28. 

  28. <div class="contents">
    29. 

  29. <h1>glm::gtc::matrix_projection Namespace Reference</h1>
    30. 

  30. <p>GLM_GTC_matrix_projection: Varius ways to build and operate on projection matrices.  
    31. 

  31. <a href="#_details">More...</a></p>
    32. 

  32. <table border="0" cellpadding="0" cellspacing="0">
    33. 

  33. <tr><td colspan="2"><h2>Functions</h2></td></tr>
    34. 

  34. <tr><td class="memTemplParams" colspan="2">template&lt;typename valType &gt; </td></tr>
    35. 

  35. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tmat4x4&lt; valType &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a2768981d9e4c77432d862173962461a3">frustum</a> (valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top, valType const &amp;nearVal, valType const &amp;farVal)</td></tr>
    36. 

  36. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Creates a frustum matrix.  <a href="#a2768981d9e4c77432d862173962461a3"></a><br/></td></tr>
    37. 

  37. <tr><td class="memTemplParams" colspan="2">template&lt;typename valType &gt; </td></tr>
    38. 

  38. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tmat4x4&lt; valType &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a63c655a72e82f8574ac412ad89815fa5">ortho</a> (valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top, valType const &amp;zNear, valType const &amp;zFar)</td></tr>
    39. 

  39. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Creates a matrix for an orthographic parallel viewing volume.  <a href="#a63c655a72e82f8574ac412ad89815fa5"></a><br/></td></tr>
    40. 

  40. <tr><td class="memTemplParams" colspan="2">template&lt;typename valType &gt; </td></tr>
    41. 

  41. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tmat4x4&lt; valType &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a5876cb090446e96852d28d91b2a11845">ortho</a> (valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top)</td></tr>
    42. 

  42. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Creates a matrix for projecting two-dimensional coordinates onto the screen.  <a href="#a5876cb090446e96852d28d91b2a11845"></a><br/></td></tr>
    43. 

  43. <tr><td class="memTemplParams" colspan="2">template&lt;typename valType &gt; </td></tr>
    44. 

  44. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tmat4x4&lt; valType &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a5a6ef082a2d34e5a048a3b3260bdb38d">perspective</a> (valType const &amp;fovy, valType const &amp;aspect, valType const &amp;zNear, valType const &amp;zFar)</td></tr>
    45. 

  45. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Creates a matrix for a symetric perspective-view frustum.  <a href="#a5a6ef082a2d34e5a048a3b3260bdb38d"></a><br/></td></tr>
    46. 

  46. <tr><td class="memTemplParams" colspan="2">template&lt;typename valTypeT , typename valTypeU &gt; </td></tr>
    47. 

  47. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tvec3&lt; valTypeT &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a43f4cc5449cfc265575a8f840eae746f">project</a> (detail::tvec3&lt; valTypeT &gt; const &amp;obj, detail::tmat4x4&lt; valTypeT &gt; const &amp;model, detail::tmat4x4&lt; valTypeT &gt; const &amp;proj, detail::tvec4&lt; valTypeU &gt; const &amp;viewport)</td></tr>
    48. 

  48. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Map the specified object coordinates (obj.x, obj.y, obj.z) into window coordinates.  <a href="#a43f4cc5449cfc265575a8f840eae746f"></a><br/></td></tr>
    49. 

  49. <tr><td class="memTemplParams" colspan="2">template&lt;typename valTypeT , typename valTypeU &gt; </td></tr>
    50. 

  50. <tr><td class="memTemplItemLeft" align="right" valign="top">detail::tvec3&lt; valTypeT &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00146.html#a46841c68eb0fb92ee341308df60c125d">unProject</a> (detail::tvec3&lt; valTypeT &gt; const &amp;win, detail::tmat4x4&lt; valTypeT &gt; const &amp;model, detail::tmat4x4&lt; valTypeT &gt; const &amp;proj, detail::tvec4&lt; valTypeU &gt; const &amp;viewport)</td></tr>
    51. 

  51. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Map the specified window coordinates (win.x, win.y, win.z) into object coordinates.  <a href="#a46841c68eb0fb92ee341308df60c125d"></a><br/></td></tr>
    52. 

  52. </table>
    53. 

  53. <hr/><a name="_details"></a><h2>Detailed Description</h2>
    54. 

  54. <p>GLM_GTC_matrix_projection: Varius ways to build and operate on projection matrices. </p>
    55. 

  55. <hr/><h2>Function Documentation</h2>
    56. 

  56. <a class="anchor" id="a2768981d9e4c77432d862173962461a3"></a><!-- doxytag: member="glm::gtc::matrix_projection::frustum" ref="a2768981d9e4c77432d862173962461a3" args="(valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top, valType const &amp;nearVal, valType const &amp;farVal)" -->
    57. 

  57. <div class="memitem">
    58. 

  58. <div class="memproto">
    59. 

  59.       <table class="memname">
    60. 

  60.         <tr>
    61. 

  61.           <td class="memname">detail::tmat4x4&lt;valType&gt; glm::gtc::matrix_projection::frustum </td>
    62. 

  62.           <td>(</td>
    63. 

  63.           <td class="paramtype">valType const &amp;&nbsp;</td>
    64. 

  64.           <td class="paramname"> <em>left</em>, </td>
    65. 

  65.         </tr>
    66. 

  66.         <tr>
    67. 

  67.           <td class="paramkey"></td>
    68. 

  68.           <td></td>
    69. 

  69.           <td class="paramtype">valType const &amp;&nbsp;</td>
    70. 

  70.           <td class="paramname"> <em>right</em>, </td>
    71. 

  71.         </tr>
    72. 

  72.         <tr>
    73. 

  73.           <td class="paramkey"></td>
    74. 

  74.           <td></td>
    75. 

  75.           <td class="paramtype">valType const &amp;&nbsp;</td>
    76. 

  76.           <td class="paramname"> <em>bottom</em>, </td>
    77. 

  77.         </tr>
    78. 

  78.         <tr>
    79. 

  79.           <td class="paramkey"></td>
    80. 

  80.           <td></td>
    81. 

  81.           <td class="paramtype">valType const &amp;&nbsp;</td>
    82. 

  82.           <td class="paramname"> <em>top</em>, </td>
    83. 

  83.         </tr>
    84. 

  84.         <tr>
    85. 

  85.           <td class="paramkey"></td>
    86. 

  86.           <td></td>
    87. 

  87.           <td class="paramtype">valType const &amp;&nbsp;</td>
    88. 

  88.           <td class="paramname"> <em>nearVal</em>, </td>
    89. 

  89.         </tr>
    90. 

  90.         <tr>
    91. 

  91.           <td class="paramkey"></td>
    92. 

  92.           <td></td>
    93. 

  93.           <td class="paramtype">valType const &amp;&nbsp;</td>
    94. 

  94.           <td class="paramname"> <em>farVal</em></td><td>&nbsp;</td>
    95. 

  95.         </tr>
    96. 

  96.         <tr>
    97. 

  97.           <td></td>
    98. 

  98.           <td>)</td>
    99. 

  99.           <td></td><td></td><td></td>
    100. 

  100.         </tr>
    101. 

  101.       </table>
    102. 

  102. </div>
    103. 

  103. <div class="memdoc">
    104. 

  104. 

  105. <p>Creates a frustum matrix. </p>
    106. 

  106. <p>From GLM_GTC_matrix_projection extension. </p>
    107. 

  107. 

  108. </div>
    109. 

  109. </div>
    110. 

  110. <a class="anchor" id="a63c655a72e82f8574ac412ad89815fa5"></a><!-- doxytag: member="glm::gtc::matrix_projection::ortho" ref="a63c655a72e82f8574ac412ad89815fa5" args="(valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top, valType const &amp;zNear, valType const &amp;zFar)" -->
    111. 

  111. <div class="memitem">
    112. 

  112. <div class="memproto">
    113. 

  113.       <table class="memname">
    114. 

  114.         <tr>
    115. 

  115.           <td class="memname">detail::tmat4x4&lt;valType&gt; glm::gtc::matrix_projection::ortho </td>
    116. 

  116.           <td>(</td>
    117. 

  117.           <td class="paramtype">valType const &amp;&nbsp;</td>
    118. 

  118.           <td class="paramname"> <em>left</em>, </td>
    119. 

  119.         </tr>
    120. 

  120.         <tr>
    121. 

  121.           <td class="paramkey"></td>
    122. 

  122.           <td></td>
    123. 

  123.           <td class="paramtype">valType const &amp;&nbsp;</td>
    124. 

  124.           <td class="paramname"> <em>right</em>, </td>
    125. 

  125.         </tr>
    126. 

  126.         <tr>
    127. 

  127.           <td class="paramkey"></td>
    128. 

  128.           <td></td>
    129. 

  129.           <td class="paramtype">valType const &amp;&nbsp;</td>
    130. 

  130.           <td class="paramname"> <em>bottom</em>, </td>
    131. 

  131.         </tr>
    132. 

  132.         <tr>
    133. 

  133.           <td class="paramkey"></td>
    134. 

  134.           <td></td>
    135. 

  135.           <td class="paramtype">valType const &amp;&nbsp;</td>
    136. 

  136.           <td class="paramname"> <em>top</em>, </td>
    137. 

  137.         </tr>
    138. 

  138.         <tr>
    139. 

  139.           <td class="paramkey"></td>
    140. 

  140.           <td></td>
    141. 

  141.           <td class="paramtype">valType const &amp;&nbsp;</td>
    142. 

  142.           <td class="paramname"> <em>zNear</em>, </td>
    143. 

  143.         </tr>
    144. 

  144.         <tr>
    145. 

  145.           <td class="paramkey"></td>
    146. 

  146.           <td></td>
    147. 

  147.           <td class="paramtype">valType const &amp;&nbsp;</td>
    148. 

  148.           <td class="paramname"> <em>zFar</em></td><td>&nbsp;</td>
    149. 

  149.         </tr>
    150. 

  150.         <tr>
    151. 

  151.           <td></td>
    152. 

  152.           <td>)</td>
    153. 

  153.           <td></td><td></td><td></td>
    154. 

  154.         </tr>
    155. 

  155.       </table>
    156. 

  156. </div>
    157. 

  157. <div class="memdoc">
    158. 

  158. 

  159. <p>Creates a matrix for an orthographic parallel viewing volume. </p>
    160. 

  160. <p>From GLM_GTC_matrix_projection extension. </p>
    161. 

  161. 

  162. </div>
    163. 

  163. </div>
    164. 

  164. <a class="anchor" id="a5876cb090446e96852d28d91b2a11845"></a><!-- doxytag: member="glm::gtc::matrix_projection::ortho" ref="a5876cb090446e96852d28d91b2a11845" args="(valType const &amp;left, valType const &amp;right, valType const &amp;bottom, valType const &amp;top)" -->
    165. 

  165. <div class="memitem">
    166. 

  166. <div class="memproto">
    167. 

  167.       <table class="memname">
    168. 

  168.         <tr>
    169. 

  169.           <td class="memname">detail::tmat4x4&lt;valType&gt; glm::gtc::matrix_projection::ortho </td>
    170. 

  170.           <td>(</td>
    171. 

  171.           <td class="paramtype">valType const &amp;&nbsp;</td>
    172. 

  172.           <td class="paramname"> <em>left</em>, </td>
    173. 

  173.         </tr>
    174. 

  174.         <tr>
    175. 

  175.           <td class="paramkey"></td>
    176. 

  176.           <td></td>
    177. 

  177.           <td class="paramtype">valType const &amp;&nbsp;</td>
    178. 

  178.           <td class="paramname"> <em>right</em>, </td>
    179. 

  179.         </tr>
    180. 

  180.         <tr>
    181. 

  181.           <td class="paramkey"></td>
    182. 

  182.           <td></td>
    183. 

  183.           <td class="paramtype">valType const &amp;&nbsp;</td>
    184. 

  184.           <td class="paramname"> <em>bottom</em>, </td>
    185. 

  185.         </tr>
    186. 

  186.         <tr>
    187. 

  187.           <td class="paramkey"></td>
    188. 

  188.           <td></td>
    189. 

  189.           <td class="paramtype">valType const &amp;&nbsp;</td>
    190. 

  190.           <td class="paramname"> <em>top</em></td><td>&nbsp;</td>
    191. 

  191.         </tr>
    192. 

  192.         <tr>
    193. 

  193.           <td></td>
    194. 

  194.           <td>)</td>
    195. 

  195.           <td></td><td></td><td></td>
    196. 

  196.         </tr>
    197. 

  197.       </table>
    198. 

  198. </div>
    199. 

  199. <div class="memdoc">
    200. 

  200. 

  201. <p>Creates a matrix for projecting two-dimensional coordinates onto the screen. </p>
    202. 

  202. <p>From GLM_GTC_matrix_projection extension. </p>
    203. 

  203. 

  204. </div>
    205. 

  205. </div>
    206. 

  206. <a class="anchor" id="a5a6ef082a2d34e5a048a3b3260bdb38d"></a><!-- doxytag: member="glm::gtc::matrix_projection::perspective" ref="a5a6ef082a2d34e5a048a3b3260bdb38d" args="(valType const &amp;fovy, valType const &amp;aspect, valType const &amp;zNear, valType const &amp;zFar)" -->
    207. 

  207. <div class="memitem">
    208. 

  208. <div class="memproto">
    209. 

  209.       <table class="memname">
    210. 

  210.         <tr>
    211. 

  211.           <td class="memname">detail::tmat4x4&lt;valType&gt; glm::gtc::matrix_projection::perspective </td>
    212. 

  212.           <td>(</td>
    213. 

  213.           <td class="paramtype">valType const &amp;&nbsp;</td>
    214. 

  214.           <td class="paramname"> <em>fovy</em>, </td>
    215. 

  215.         </tr>
    216. 

  216.         <tr>
    217. 

  217.           <td class="paramkey"></td>
    218. 

  218.           <td></td>
    219. 

  219.           <td class="paramtype">valType const &amp;&nbsp;</td>
    220. 

  220.           <td class="paramname"> <em>aspect</em>, </td>
    221. 

  221.         </tr>
    222. 

  222.         <tr>
    223. 

  223.           <td class="paramkey"></td>
    224. 

  224.           <td></td>
    225. 

  225.           <td class="paramtype">valType const &amp;&nbsp;</td>
    226. 

  226.           <td class="paramname"> <em>zNear</em>, </td>
    227. 

  227.         </tr>
    228. 

  228.         <tr>
    229. 

  229.           <td class="paramkey"></td>
    230. 

  230.           <td></td>
    231. 

  231.           <td class="paramtype">valType const &amp;&nbsp;</td>
    232. 

  232.           <td class="paramname"> <em>zFar</em></td><td>&nbsp;</td>
    233. 

  233.         </tr>
    234. 

  234.         <tr>
    235. 

  235.           <td></td>
    236. 

  236.           <td>)</td>
    237. 

  237.           <td></td><td></td><td></td>
    238. 

  238.         </tr>
    239. 

  239.       </table>
    240. 

  240. </div>
    241. 

  241. <div class="memdoc">
    242. 

  242. 

  243. <p>Creates a matrix for a symetric perspective-view frustum. </p>
    244. 

  244. <p>From GLM_GTC_matrix_projection extension. </p>
    245. 

  245. 

  246. </div>
    247. 

  247. </div>
    248. 

  248. <a class="anchor" id="a43f4cc5449cfc265575a8f840eae746f"></a><!-- doxytag: member="glm::gtc::matrix_projection::project" ref="a43f4cc5449cfc265575a8f840eae746f" args="(detail::tvec3&lt; valTypeT &gt; const &amp;obj, detail::tmat4x4&lt; valTypeT &gt; const &amp;model, detail::tmat4x4&lt; valTypeT &gt; const &amp;proj, detail::tvec4&lt; valTypeU &gt; const &amp;viewport)" -->
    249. 

  249. <div class="memitem">
    250. 

  250. <div class="memproto">
    251. 

  251.       <table class="memname">
    252. 

  252.         <tr>
    253. 

  253.           <td class="memname">detail::tvec3&lt;valTypeT&gt; glm::gtc::matrix_projection::project </td>
    254. 

  254.           <td>(</td>
    255. 

  255.           <td class="paramtype">detail::tvec3&lt; valTypeT &gt; const &amp;&nbsp;</td>
    256. 

  256.           <td class="paramname"> <em>obj</em>, </td>
    257. 

  257.         </tr>
    258. 

  258.         <tr>
    259. 

  259.           <td class="paramkey"></td>
    260. 

  260.           <td></td>
    261. 

  261.           <td class="paramtype">detail::tmat4x4&lt; valTypeT &gt; const &amp;&nbsp;</td>
    262. 

  262.           <td class="paramname"> <em>model</em>, </td>
    263. 

  263.         </tr>
    264. 

  264.         <tr>
    265. 

  265.           <td class="paramkey"></td>
    266. 

  266.           <td></td>
    267. 

  267.           <td class="paramtype">detail::tmat4x4&lt; valTypeT &gt; const &amp;&nbsp;</td>
    268. 

  268.           <td class="paramname"> <em>proj</em>, </td>
    269. 

  269.         </tr>
    270. 

  270.         <tr>
    271. 

  271.           <td class="paramkey"></td>
    272. 

  272.           <td></td>
    273. 

  273.           <td class="paramtype">detail::tvec4&lt; valTypeU &gt; const &amp;&nbsp;</td>
    274. 

  274.           <td class="paramname"> <em>viewport</em></td><td>&nbsp;</td>
    275. 

  275.         </tr>
    276. 

  276.         <tr>
    277. 

  277.           <td></td>
    278. 

  278.           <td>)</td>
    279. 

  279.           <td></td><td></td><td></td>
    280. 

  280.         </tr>
    281. 

  281.       </table>
    282. 

  282. </div>
    283. 

  283. <div class="memdoc">
    284. 

  284. 

  285. <p>Map the specified object coordinates (obj.x, obj.y, obj.z) into window coordinates. </p>
    286. 

  286. <p>From GLM_GTC_matrix_projection extension. </p>
    287. 

  287. 

  288. </div>
    289. 

  289. </div>
    290. 

  290. <a class="anchor" id="a46841c68eb0fb92ee341308df60c125d"></a><!-- doxytag: member="glm::gtc::matrix_projection::unProject" ref="a46841c68eb0fb92ee341308df60c125d" args="(detail::tvec3&lt; valTypeT &gt; const &amp;win, detail::tmat4x4&lt; valTypeT &gt; const &amp;model, detail::tmat4x4&lt; valTypeT &gt; const &amp;proj, detail::tvec4&lt; valTypeU &gt; const &amp;viewport)" -->
    291. 

  291. <div class="memitem">
    292. 

  292. <div class="memproto">
    293. 

  293.       <table class="memname">
    294. 

  294.         <tr>
    295. 

  295.           <td class="memname">detail::tvec3&lt;valTypeT&gt; glm::gtc::matrix_projection::unProject </td>
    296. 

  296.           <td>(</td>
    297. 

  297.           <td class="paramtype">detail::tvec3&lt; valTypeT &gt; const &amp;&nbsp;</td>
    298. 

  298.           <td class="paramname"> <em>win</em>, </td>
    299. 

  299.         </tr>
    300. 

  300.         <tr>
    301. 

  301.           <td class="paramkey"></td>
    302. 

  302.           <td></td>
    303. 

  303.           <td class="paramtype">detail::tmat4x4&lt; valTypeT &gt; const &amp;&nbsp;</td>
    304. 

  304.           <td class="paramname"> <em>model</em>, </td>
    305. 

  305.         </tr>
    306. 

  306.         <tr>
    307. 

  307.           <td class="paramkey"></td>
    308. 

  308.           <td></td>
    309. 

  309.           <td class="paramtype">detail::tmat4x4&lt; valTypeT &gt; const &amp;&nbsp;</td>
    310. 

  310.           <td class="paramname"> <em>proj</em>, </td>
    311. 

  311.         </tr>
    312. 

  312.         <tr>
    313. 

  313.           <td class="paramkey"></td>
    314. 

  314.           <td></td>
    315. 

  315.           <td class="paramtype">detail::tvec4&lt; valTypeU &gt; const &amp;&nbsp;</td>
    316. 

  316.           <td class="paramname"> <em>viewport</em></td><td>&nbsp;</td>
    317. 

  317.         </tr>
    318. 

  318.         <tr>
    319. 

  319.           <td></td>
    320. 

  320.           <td>)</td>
    321. 

  321.           <td></td><td></td><td></td>
    322. 

  322.         </tr>
    323. 

  323.       </table>
    324. 

  324. </div>
    325. 

  325. <div class="memdoc">
    326. 

  326. 

  327. <p>Map the specified window coordinates (win.x, win.y, win.z) into object coordinates. </p>
    328. 

  328. <p>From GLM_GTC_matrix_projection extension. </p>
    329. 

  329. 

  330. </div>
    331. 

  331. </div>
    332. 

  332. </div>
    333. 

  333. <hr size="1"/><address style="text-align: right;"><small>Generated on Mon Nov 16 11:23:24 2009 for GLM by&nbsp;
    334. 

  334. <a href="http://www.doxygen.org/index.html">
    335. 

  335. <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
    336. 

  336. </body>
    337. 

  337. </html>
    338.