docs/html/reference/renderscript/rs__math_8rsh.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   2 <html xmlns="http://www.w3.org/1999/xhtml">
   3 <head>
   4 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
   5
   6 <title>/usr/local/google/home/srhines/android_trees/jb-mr2-dev/frameworks/rs/scriptc/rs_math.rsh File Reference</title>
   7 <link href="tabs.css" rel="stylesheet" type="text/css"/>
   8 <link href="doxygen.css" rel="stylesheet" type="text/css" />
   9
  10
  11
  12 </head>
  13 <body>
  14 <div id="top"><!-- do not remove this div! -->
  15
  16
  17 <!-- Generated by Doxygen 1.7.5.1 -->
  18   <div id="navrow1" class="tabs">
  19     <ul class="tablist">
  20       <li><a href="index.html"><span>Overview</span></a></li>
  21       <li class="current"><a href="globals.html"><span>Globals</span></a></li>
  22       <li><a href="annotated.html"><span>Structs</span></a></li>
  23     </ul>
  24   </div>
  25 </div>
  26 <div class="header">
  27   <div class="summary">
  28 <a href="#func-members">Functions</a>  </div>
  29   <div class="headertitle">
  30 <div class="title">/usr/local/google/home/srhines/android_trees/jb-mr2-dev/frameworks/rs/scriptc/rs_math.rsh File Reference</div>  </div>
  31 </div>
  32 <div class="contents">
  33 <table class="memberdecls">
  34 <tr><td colspan="2"><h2><a name="func-members"></a>
  35 Functions</h2></td></tr>
  36 <tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#ad9106e5aae5b1248870f21061f36a1c9">rsRand</a> (int max_value)</td></tr>
  37 <tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a01edf1cf3cdaecb1629761b69148e189">rsRand</a> (int min_value, int max_value)</td></tr>
  38 <tr><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a03e898d810ac44158e7461b2b2b1c356">rsRand</a> (float max_value)</td></tr>
  39 <tr><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a84b2e7468314873b3aa02969e310d9e4">rsRand</a> (float min_value, float max_value)</td></tr>
  40 <tr><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#ac4f127e78da0849321c7f6db14f9e989">rsFrac</a> (float)</td></tr>
  41 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a5de277f7518a61646c3d74f3a0b9e893">rsClamp</a> (<a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a> amount, <a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a> low, <a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a> high)</td></tr>
  42 <tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#ad5732b8b1f1d0d53d605a7dc6908dc85">rsClamp</a> (int amount, int low, int high)</td></tr>
  43 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#af5e17f571b13c3391d860eac172be1c6">rsClamp</a> (<a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a> amount, <a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a> low, <a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a> high)</td></tr>
  44 <tr><td class="memItemLeft" align="right" valign="top">short&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a40eddbf6c2462eada177a581a49bd3c6">rsClamp</a> (short amount, short low, short high)</td></tr>
  45 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a2845f16757fe9eb7204bfb6f94d7fcc6">rsClamp</a> (<a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a> amount, <a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a> low, <a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a> high)</td></tr>
  46 <tr><td class="memItemLeft" align="right" valign="top">char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a33122202f10764687e2d3ab1a8c27062">rsClamp</a> (char amount, char low, char high)</td></tr>
  47 <tr><td class="memItemLeft" align="right" valign="top">static __inline__ void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a191f9c687c56322c18b7d71491602122">rsExtractFrustumPlanes</a> (const <a class="el" href="structrs__matrix4x4.html">rs_matrix4x4</a> *viewProj, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *left, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *right, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *top, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *bottom, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *near, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *far)</td></tr>
  48 <tr><td class="memItemLeft" align="right" valign="top">static __inline__ bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a7bbeaf44838e08e68d5cf3e3d7b0818c">rsIsSphereInFrustum</a> (<a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *sphere, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *left, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *right, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *top, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *bottom, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *near, <a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *far)</td></tr>
  49 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a5e20d326a6e2532d19a493b01f948c17">rsPackColorTo8888</a> (float r, float g, float b)</td></tr>
  50 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a1f1107cf778cf1f614edfb5b8ac436a0">rsPackColorTo8888</a> (float r, float g, float b, float a)</td></tr>
  51 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#ac30a8c020eade2b57fd5966cb7c8665e">rsPackColorTo8888</a> (<a class="el" href="rs__types_8rsh.html#a0046fa0f208d0899adbcf1f8b5aafadd">float3</a> color)</td></tr>
  52 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="rs__math_8rsh.html#a48bb0c2e7b1f2b62b2a8970c7d709eca">rsUnpackColor8888</a> (<a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a> c)</td></tr>
  53 </table>
  54 <hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
  55 <div class="textblock"><p>todo-jsams </p>
  56
  57 <p>Definition in file <a class="el" href="rs__math_8rsh_source.html">rs_math.rsh</a>.</p>
  58 </div><hr/><h2>Function Documentation</h2>
  59 <a class="anchor" id="a5de277f7518a61646c3d74f3a0b9e893"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="a5de277f7518a61646c3d74f3a0b9e893" args="(uint amount, uint low, uint high)" -->
  60 <div class="memitem">
  61 <div class="memproto">
  62       <table class="memname">
  63         <tr>
  64           <td class="memname"><a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a> rsClamp </td>
  65           <td>(</td>
  66           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a>&#160;</td>
  67           <td class="paramname"><em>amount</em>, </td>
  68         </tr>
  69         <tr>
  70           <td class="paramkey"></td>
  71           <td></td>
  72           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a>&#160;</td>
  73           <td class="paramname"><em>low</em>, </td>
  74         </tr>
  75         <tr>
  76           <td class="paramkey"></td>
  77           <td></td>
  78           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a4f5fce8c1ef282264f9214809524d836">uint</a>&#160;</td>
  79           <td class="paramname"><em>high</em>&#160;</td>
  80         </tr>
  81         <tr>
  82           <td></td>
  83           <td>)</td>
  84           <td></td><td></td>
  85         </tr>
  86       </table>
  87 </div>
  88 <div class="memdoc">
  89 <p>Clamp the value amount between low and high.</p>
  90 <dl><dt><b>Parameters:</b></dt><dd>
  91   <table class="params">
  92     <tr><td class="paramname">amount</td><td>The value to clamp </td></tr>
  93     <tr><td class="paramname">low</td><td></td></tr>
  94     <tr><td class="paramname">high</td><td></td></tr>
  95   </table>
  96   </dd>
  97 </dl>
  98
  99 </div>
 100 </div>
 101 <a class="anchor" id="ad5732b8b1f1d0d53d605a7dc6908dc85"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="ad5732b8b1f1d0d53d605a7dc6908dc85" args="(int amount, int low, int high)" -->
 102 <div class="memitem">
 103 <div class="memproto">
 104       <table class="memname">
 105         <tr>
 106           <td class="memname">int rsClamp </td>
 107           <td>(</td>
 108           <td class="paramtype">int&#160;</td>
 109           <td class="paramname"><em>amount</em>, </td>
 110         </tr>
 111         <tr>
 112           <td class="paramkey"></td>
 113           <td></td>
 114           <td class="paramtype">int&#160;</td>
 115           <td class="paramname"><em>low</em>, </td>
 116         </tr>
 117         <tr>
 118           <td class="paramkey"></td>
 119           <td></td>
 120           <td class="paramtype">int&#160;</td>
 121           <td class="paramname"><em>high</em>&#160;</td>
 122         </tr>
 123         <tr>
 124           <td></td>
 125           <td>)</td>
 126           <td></td><td></td>
 127         </tr>
 128       </table>
 129 </div>
 130 <div class="memdoc">
 131 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 132
 133 </div>
 134 </div>
 135 <a class="anchor" id="af5e17f571b13c3391d860eac172be1c6"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="af5e17f571b13c3391d860eac172be1c6" args="(ushort amount, ushort low, ushort high)" -->
 136 <div class="memitem">
 137 <div class="memproto">
 138       <table class="memname">
 139         <tr>
 140           <td class="memname"><a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a> rsClamp </td>
 141           <td>(</td>
 142           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a>&#160;</td>
 143           <td class="paramname"><em>amount</em>, </td>
 144         </tr>
 145         <tr>
 146           <td class="paramkey"></td>
 147           <td></td>
 148           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a>&#160;</td>
 149           <td class="paramname"><em>low</em>, </td>
 150         </tr>
 151         <tr>
 152           <td class="paramkey"></td>
 153           <td></td>
 154           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a9e58a7bf060b7a5fbf6a401d3020adca">ushort</a>&#160;</td>
 155           <td class="paramname"><em>high</em>&#160;</td>
 156         </tr>
 157         <tr>
 158           <td></td>
 159           <td>)</td>
 160           <td></td><td></td>
 161         </tr>
 162       </table>
 163 </div>
 164 <div class="memdoc">
 165 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 166
 167 </div>
 168 </div>
 169 <a class="anchor" id="a40eddbf6c2462eada177a581a49bd3c6"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="a40eddbf6c2462eada177a581a49bd3c6" args="(short amount, short low, short high)" -->
 170 <div class="memitem">
 171 <div class="memproto">
 172       <table class="memname">
 173         <tr>
 174           <td class="memname">short rsClamp </td>
 175           <td>(</td>
 176           <td class="paramtype">short&#160;</td>
 177           <td class="paramname"><em>amount</em>, </td>
 178         </tr>
 179         <tr>
 180           <td class="paramkey"></td>
 181           <td></td>
 182           <td class="paramtype">short&#160;</td>
 183           <td class="paramname"><em>low</em>, </td>
 184         </tr>
 185         <tr>
 186           <td class="paramkey"></td>
 187           <td></td>
 188           <td class="paramtype">short&#160;</td>
 189           <td class="paramname"><em>high</em>&#160;</td>
 190         </tr>
 191         <tr>
 192           <td></td>
 193           <td>)</td>
 194           <td></td><td></td>
 195         </tr>
 196       </table>
 197 </div>
 198 <div class="memdoc">
 199 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 200
 201 </div>
 202 </div>
 203 <a class="anchor" id="a2845f16757fe9eb7204bfb6f94d7fcc6"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="a2845f16757fe9eb7204bfb6f94d7fcc6" args="(uchar amount, uchar low, uchar high)" -->
 204 <div class="memitem">
 205 <div class="memproto">
 206       <table class="memname">
 207         <tr>
 208           <td class="memname"><a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a> rsClamp </td>
 209           <td>(</td>
 210           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a>&#160;</td>
 211           <td class="paramname"><em>amount</em>, </td>
 212         </tr>
 213         <tr>
 214           <td class="paramkey"></td>
 215           <td></td>
 216           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a>&#160;</td>
 217           <td class="paramname"><em>low</em>, </td>
 218         </tr>
 219         <tr>
 220           <td class="paramkey"></td>
 221           <td></td>
 222           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a27c902d5ca78afa82d5ed75554d5cedc">uchar</a>&#160;</td>
 223           <td class="paramname"><em>high</em>&#160;</td>
 224         </tr>
 225         <tr>
 226           <td></td>
 227           <td>)</td>
 228           <td></td><td></td>
 229         </tr>
 230       </table>
 231 </div>
 232 <div class="memdoc">
 233 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 234
 235 </div>
 236 </div>
 237 <a class="anchor" id="a33122202f10764687e2d3ab1a8c27062"></a><!-- doxytag: member="rs_math.rsh::rsClamp" ref="a33122202f10764687e2d3ab1a8c27062" args="(char amount, char low, char high)" -->
 238 <div class="memitem">
 239 <div class="memproto">
 240       <table class="memname">
 241         <tr>
 242           <td class="memname">char rsClamp </td>
 243           <td>(</td>
 244           <td class="paramtype">char&#160;</td>
 245           <td class="paramname"><em>amount</em>, </td>
 246         </tr>
 247         <tr>
 248           <td class="paramkey"></td>
 249           <td></td>
 250           <td class="paramtype">char&#160;</td>
 251           <td class="paramname"><em>low</em>, </td>
 252         </tr>
 253         <tr>
 254           <td class="paramkey"></td>
 255           <td></td>
 256           <td class="paramtype">char&#160;</td>
 257           <td class="paramname"><em>high</em>&#160;</td>
 258         </tr>
 259         <tr>
 260           <td></td>
 261           <td>)</td>
 262           <td></td><td></td>
 263         </tr>
 264       </table>
 265 </div>
 266 <div class="memdoc">
 267 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 268
 269 </div>
 270 </div>
 271 <a class="anchor" id="a191f9c687c56322c18b7d71491602122"></a><!-- doxytag: member="rs_math.rsh::rsExtractFrustumPlanes" ref="a191f9c687c56322c18b7d71491602122" args="(const rs_matrix4x4 *viewProj, float4 *left, float4 *right, float4 *top, float4 *bottom, float4 *near, float4 *far)" -->
 272 <div class="memitem">
 273 <div class="memproto">
 274       <table class="memname">
 275         <tr>
 276           <td class="memname">static __inline__ void rsExtractFrustumPlanes </td>
 277           <td>(</td>
 278           <td class="paramtype">const <a class="el" href="structrs__matrix4x4.html">rs_matrix4x4</a> *&#160;</td>
 279           <td class="paramname"><em>viewProj</em>, </td>
 280         </tr>
 281         <tr>
 282           <td class="paramkey"></td>
 283           <td></td>
 284           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 285           <td class="paramname"><em>left</em>, </td>
 286         </tr>
 287         <tr>
 288           <td class="paramkey"></td>
 289           <td></td>
 290           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 291           <td class="paramname"><em>right</em>, </td>
 292         </tr>
 293         <tr>
 294           <td class="paramkey"></td>
 295           <td></td>
 296           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 297           <td class="paramname"><em>top</em>, </td>
 298         </tr>
 299         <tr>
 300           <td class="paramkey"></td>
 301           <td></td>
 302           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 303           <td class="paramname"><em>bottom</em>, </td>
 304         </tr>
 305         <tr>
 306           <td class="paramkey"></td>
 307           <td></td>
 308           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 309           <td class="paramname"><em>near</em>, </td>
 310         </tr>
 311         <tr>
 312           <td class="paramkey"></td>
 313           <td></td>
 314           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 315           <td class="paramname"><em>far</em>&#160;</td>
 316         </tr>
 317         <tr>
 318           <td></td>
 319           <td>)</td>
 320           <td></td><td><code> [static]</code></td>
 321         </tr>
 322       </table>
 323 </div>
 324 <div class="memdoc">
 325 <p>Computes 6 frustum planes from the view projection matrix </p>
 326 <dl><dt><b>Parameters:</b></dt><dd>
 327   <table class="params">
 328     <tr><td class="paramname">viewProj</td><td>matrix to extract planes from </td></tr>
 329     <tr><td class="paramname">left</td><td>plane </td></tr>
 330     <tr><td class="paramname">right</td><td>plane </td></tr>
 331     <tr><td class="paramname">top</td><td>plane </td></tr>
 332     <tr><td class="paramname">bottom</td><td>plane </td></tr>
 333     <tr><td class="paramname">near</td><td>plane </td></tr>
 334     <tr><td class="paramname">far</td><td>plane </td></tr>
 335   </table>
 336   </dd>
 337 </dl>
 338
 339 <p>Definition at line <a class="el" href="rs__math_8rsh_source.html#l00102">102</a> of file <a class="el" href="rs__math_8rsh_source.html">rs_math.rsh</a>.</p>
 340
 341 </div>
 342 </div>
 343 <a class="anchor" id="ac4f127e78da0849321c7f6db14f9e989"></a><!-- doxytag: member="rs_math.rsh::rsFrac" ref="ac4f127e78da0849321c7f6db14f9e989" args="(float)" -->
 344 <div class="memitem">
 345 <div class="memproto">
 346       <table class="memname">
 347         <tr>
 348           <td class="memname">float rsFrac </td>
 349           <td>(</td>
 350           <td class="paramtype">float&#160;</td>
 351           <td class="paramname"></td><td>)</td>
 352           <td></td>
 353         </tr>
 354       </table>
 355 </div>
 356 <div class="memdoc">
 357 <p>Returns the fractional part of a float </p>
 358
 359 </div>
 360 </div>
 361 <a class="anchor" id="a7bbeaf44838e08e68d5cf3e3d7b0818c"></a><!-- doxytag: member="rs_math.rsh::rsIsSphereInFrustum" ref="a7bbeaf44838e08e68d5cf3e3d7b0818c" args="(float4 *sphere, float4 *left, float4 *right, float4 *top, float4 *bottom, float4 *near, float4 *far)" -->
 362 <div class="memitem">
 363 <div class="memproto">
 364       <table class="memname">
 365         <tr>
 366           <td class="memname">static __inline__ bool rsIsSphereInFrustum </td>
 367           <td>(</td>
 368           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 369           <td class="paramname"><em>sphere</em>, </td>
 370         </tr>
 371         <tr>
 372           <td class="paramkey"></td>
 373           <td></td>
 374           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 375           <td class="paramname"><em>left</em>, </td>
 376         </tr>
 377         <tr>
 378           <td class="paramkey"></td>
 379           <td></td>
 380           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 381           <td class="paramname"><em>right</em>, </td>
 382         </tr>
 383         <tr>
 384           <td class="paramkey"></td>
 385           <td></td>
 386           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 387           <td class="paramname"><em>top</em>, </td>
 388         </tr>
 389         <tr>
 390           <td class="paramkey"></td>
 391           <td></td>
 392           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 393           <td class="paramname"><em>bottom</em>, </td>
 394         </tr>
 395         <tr>
 396           <td class="paramkey"></td>
 397           <td></td>
 398           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 399           <td class="paramname"><em>near</em>, </td>
 400         </tr>
 401         <tr>
 402           <td class="paramkey"></td>
 403           <td></td>
 404           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> *&#160;</td>
 405           <td class="paramname"><em>far</em>&#160;</td>
 406         </tr>
 407         <tr>
 408           <td></td>
 409           <td>)</td>
 410           <td></td><td><code> [static]</code></td>
 411         </tr>
 412       </table>
 413 </div>
 414 <div class="memdoc">
 415 <p>Checks if a sphere is withing the 6 frustum planes </p>
 416 <dl><dt><b>Parameters:</b></dt><dd>
 417   <table class="params">
 418     <tr><td class="paramname">sphere</td><td>float4 representing the sphere </td></tr>
 419     <tr><td class="paramname">left</td><td>plane </td></tr>
 420     <tr><td class="paramname">right</td><td>plane </td></tr>
 421     <tr><td class="paramname">top</td><td>plane </td></tr>
 422     <tr><td class="paramname">bottom</td><td>plane </td></tr>
 423     <tr><td class="paramname">near</td><td>plane </td></tr>
 424     <tr><td class="paramname">far</td><td>plane </td></tr>
 425   </table>
 426   </dd>
 427 </dl>
 428
 429 <p>Definition at line <a class="el" href="rs__math_8rsh_source.html#l00162">162</a> of file <a class="el" href="rs__math_8rsh_source.html">rs_math.rsh</a>.</p>
 430
 431 </div>
 432 </div>
 433 <a class="anchor" id="a5e20d326a6e2532d19a493b01f948c17"></a><!-- doxytag: member="rs_math.rsh::rsPackColorTo8888" ref="a5e20d326a6e2532d19a493b01f948c17" args="(float r, float g, float b)" -->
 434 <div class="memitem">
 435 <div class="memproto">
 436       <table class="memname">
 437         <tr>
 438           <td class="memname"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a> rsPackColorTo8888 </td>
 439           <td>(</td>
 440           <td class="paramtype">float&#160;</td>
 441           <td class="paramname"><em>r</em>, </td>
 442         </tr>
 443         <tr>
 444           <td class="paramkey"></td>
 445           <td></td>
 446           <td class="paramtype">float&#160;</td>
 447           <td class="paramname"><em>g</em>, </td>
 448         </tr>
 449         <tr>
 450           <td class="paramkey"></td>
 451           <td></td>
 452           <td class="paramtype">float&#160;</td>
 453           <td class="paramname"><em>b</em>&#160;</td>
 454         </tr>
 455         <tr>
 456           <td></td>
 457           <td>)</td>
 458           <td></td><td></td>
 459         </tr>
 460       </table>
 461 </div>
 462 <div class="memdoc">
 463 <p>Pack floating point (0-1) RGB values into a uchar4. The alpha component is set to 255 (1.0).</p>
 464 <dl><dt><b>Parameters:</b></dt><dd>
 465   <table class="params">
 466     <tr><td class="paramname">r</td><td></td></tr>
 467     <tr><td class="paramname">g</td><td></td></tr>
 468     <tr><td class="paramname">b</td><td></td></tr>
 469   </table>
 470   </dd>
 471 </dl>
 472 <dl class="return"><dt><b>Returns:</b></dt><dd>uchar4 </dd></dl>
 473
 474 </div>
 475 </div>
 476 <a class="anchor" id="a1f1107cf778cf1f614edfb5b8ac436a0"></a><!-- doxytag: member="rs_math.rsh::rsPackColorTo8888" ref="a1f1107cf778cf1f614edfb5b8ac436a0" args="(float r, float g, float b, float a)" -->
 477 <div class="memitem">
 478 <div class="memproto">
 479       <table class="memname">
 480         <tr>
 481           <td class="memname"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a> rsPackColorTo8888 </td>
 482           <td>(</td>
 483           <td class="paramtype">float&#160;</td>
 484           <td class="paramname"><em>r</em>, </td>
 485         </tr>
 486         <tr>
 487           <td class="paramkey"></td>
 488           <td></td>
 489           <td class="paramtype">float&#160;</td>
 490           <td class="paramname"><em>g</em>, </td>
 491         </tr>
 492         <tr>
 493           <td class="paramkey"></td>
 494           <td></td>
 495           <td class="paramtype">float&#160;</td>
 496           <td class="paramname"><em>b</em>, </td>
 497         </tr>
 498         <tr>
 499           <td class="paramkey"></td>
 500           <td></td>
 501           <td class="paramtype">float&#160;</td>
 502           <td class="paramname"><em>a</em>&#160;</td>
 503         </tr>
 504         <tr>
 505           <td></td>
 506           <td>)</td>
 507           <td></td><td></td>
 508         </tr>
 509       </table>
 510 </div>
 511 <div class="memdoc">
 512 <p>Pack floating point (0-1) RGBA values into a uchar4.</p>
 513 <dl><dt><b>Parameters:</b></dt><dd>
 514   <table class="params">
 515     <tr><td class="paramname">r</td><td></td></tr>
 516     <tr><td class="paramname">g</td><td></td></tr>
 517     <tr><td class="paramname">b</td><td></td></tr>
 518     <tr><td class="paramname">a</td><td></td></tr>
 519   </table>
 520   </dd>
 521 </dl>
 522 <dl class="return"><dt><b>Returns:</b></dt><dd>uchar4 </dd></dl>
 523
 524 </div>
 525 </div>
 526 <a class="anchor" id="ac30a8c020eade2b57fd5966cb7c8665e"></a><!-- doxytag: member="rs_math.rsh::rsPackColorTo8888" ref="ac30a8c020eade2b57fd5966cb7c8665e" args="(float3 color)" -->
 527 <div class="memitem">
 528 <div class="memproto">
 529       <table class="memname">
 530         <tr>
 531           <td class="memname"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a> rsPackColorTo8888 </td>
 532           <td>(</td>
 533           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#a0046fa0f208d0899adbcf1f8b5aafadd">float3</a>&#160;</td>
 534           <td class="paramname"><em>color</em></td><td>)</td>
 535           <td></td>
 536         </tr>
 537       </table>
 538 </div>
 539 <div class="memdoc">
 540 <p>Pack floating point (0-1) RGB values into a uchar4. The alpha component is set to 255 (1.0).</p>
 541 <dl><dt><b>Parameters:</b></dt><dd>
 542   <table class="params">
 543     <tr><td class="paramname">color</td><td></td></tr>
 544   </table>
 545   </dd>
 546 </dl>
 547 <dl class="return"><dt><b>Returns:</b></dt><dd>uchar4</dd></dl>
 548 <p>Pack floating point (0-1) RGBA values into a uchar4.</p>
 549 <dl><dt><b>Parameters:</b></dt><dd>
 550   <table class="params">
 551     <tr><td class="paramname">color</td><td></td></tr>
 552   </table>
 553   </dd>
 554 </dl>
 555 <dl class="return"><dt><b>Returns:</b></dt><dd>uchar4 </dd></dl>
 556
 557 </div>
 558 </div>
 559 <a class="anchor" id="ad9106e5aae5b1248870f21061f36a1c9"></a><!-- doxytag: member="rs_math.rsh::rsRand" ref="ad9106e5aae5b1248870f21061f36a1c9" args="(int max_value)" -->
 560 <div class="memitem">
 561 <div class="memproto">
 562       <table class="memname">
 563         <tr>
 564           <td class="memname">int rsRand </td>
 565           <td>(</td>
 566           <td class="paramtype">int&#160;</td>
 567           <td class="paramname"><em>max_value</em></td><td>)</td>
 568           <td></td>
 569         </tr>
 570       </table>
 571 </div>
 572 <div class="memdoc">
 573 <p>Return a random value between 0 (or min_value) and max_malue. </p>
 574
 575 </div>
 576 </div>
 577 <a class="anchor" id="a01edf1cf3cdaecb1629761b69148e189"></a><!-- doxytag: member="rs_math.rsh::rsRand" ref="a01edf1cf3cdaecb1629761b69148e189" args="(int min_value, int max_value)" -->
 578 <div class="memitem">
 579 <div class="memproto">
 580       <table class="memname">
 581         <tr>
 582           <td class="memname">int rsRand </td>
 583           <td>(</td>
 584           <td class="paramtype">int&#160;</td>
 585           <td class="paramname"><em>min_value</em>, </td>
 586         </tr>
 587         <tr>
 588           <td class="paramkey"></td>
 589           <td></td>
 590           <td class="paramtype">int&#160;</td>
 591           <td class="paramname"><em>max_value</em>&#160;</td>
 592         </tr>
 593         <tr>
 594           <td></td>
 595           <td>)</td>
 596           <td></td><td></td>
 597         </tr>
 598       </table>
 599 </div>
 600 <div class="memdoc">
 601 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 602
 603 </div>
 604 </div>
 605 <a class="anchor" id="a03e898d810ac44158e7461b2b2b1c356"></a><!-- doxytag: member="rs_math.rsh::rsRand" ref="a03e898d810ac44158e7461b2b2b1c356" args="(float max_value)" -->
 606 <div class="memitem">
 607 <div class="memproto">
 608       <table class="memname">
 609         <tr>
 610           <td class="memname">float rsRand </td>
 611           <td>(</td>
 612           <td class="paramtype">float&#160;</td>
 613           <td class="paramname"><em>max_value</em></td><td>)</td>
 614           <td></td>
 615         </tr>
 616       </table>
 617 </div>
 618 <div class="memdoc">
 619 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 620
 621 </div>
 622 </div>
 623 <a class="anchor" id="a84b2e7468314873b3aa02969e310d9e4"></a><!-- doxytag: member="rs_math.rsh::rsRand" ref="a84b2e7468314873b3aa02969e310d9e4" args="(float min_value, float max_value)" -->
 624 <div class="memitem">
 625 <div class="memproto">
 626       <table class="memname">
 627         <tr>
 628           <td class="memname">float rsRand </td>
 629           <td>(</td>
 630           <td class="paramtype">float&#160;</td>
 631           <td class="paramname"><em>min_value</em>, </td>
 632         </tr>
 633         <tr>
 634           <td class="paramkey"></td>
 635           <td></td>
 636           <td class="paramtype">float&#160;</td>
 637           <td class="paramname"><em>max_value</em>&#160;</td>
 638         </tr>
 639         <tr>
 640           <td></td>
 641           <td>)</td>
 642           <td></td><td></td>
 643         </tr>
 644       </table>
 645 </div>
 646 <div class="memdoc">
 647 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
 648
 649 </div>
 650 </div>
 651 <a class="anchor" id="a48bb0c2e7b1f2b62b2a8970c7d709eca"></a><!-- doxytag: member="rs_math.rsh::rsUnpackColor8888" ref="a48bb0c2e7b1f2b62b2a8970c7d709eca" args="(uchar4 c)" -->
 652 <div class="memitem">
 653 <div class="memproto">
 654       <table class="memname">
 655         <tr>
 656           <td class="memname"><a class="el" href="rs__types_8rsh.html#adb5162dc168ddd471d948faa60b37c5e">float4</a> rsUnpackColor8888 </td>
 657           <td>(</td>
 658           <td class="paramtype"><a class="el" href="rs__types_8rsh.html#ae6ed52a87d4ff920c303b13b00f7396d">uchar4</a>&#160;</td>
 659           <td class="paramname"><em>c</em></td><td>)</td>
 660           <td></td>
 661         </tr>
 662       </table>
 663 </div>
 664 <div class="memdoc">
 665 <p>Unpack a uchar4 color to float4. The resulting float range will be (0-1).</p>
 666 <dl><dt><b>Parameters:</b></dt><dd>
 667   <table class="params">
 668     <tr><td class="paramname">c</td><td></td></tr>
 669   </table>
 670   </dd>
 671 </dl>
 672 <dl class="return"><dt><b>Returns:</b></dt><dd>float4 </dd></dl>
 673
 674 </div>
 675 </div>
 676 </div>
 677
 678 </body>
 679 </html>