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<hr><h1>ps_misc.h</h1><a href="ps__misc_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026
00027
00028 <font class="preprocessor">#ifndef PS_MISC_H</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#define PS_MISC_H</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00033
00034 <font class="keyword">namespace </font>NL3D {
00035
00041 <font class="keyword">inline</font> uint <a class="code" href="namespaceNL3D.html#a435">ScaleFloatGE</a>(<font class="keywordtype">float</font> f, <font class="keywordtype">float</font> deltaT, <font class="keywordtype">float</font> clampValue, uint numStep)
00042 {
00043 <font class="keywordflow">if</font> (f >= clampValue) <font class="keywordflow">return</font> 0;
00044 <font class="keywordtype">float</font> endValue = f + numStep * deltaT;
00045 <font class="keywordflow">if</font> (endValue < clampValue) <font class="keywordflow">return</font> numStep;
00046 <font class="keyword">const</font> uint numAfterInitialDate = (uint) ((endValue - clampValue) / deltaT);
00047 <font class="keywordflow">return</font> numStep - numAfterInitialDate;
00048 }
00049
00050
00061 <font class="keyword">inline</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *<a class="code" href="namespaceNL3D.html#a436">FillBufUsingSubdiv</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>,
00062 <font class="keywordtype">float</font> clampValue,
00063 <font class="keywordtype">float</font> &startValue,
00064 <font class="keywordtype">float</font> deltaT,
00065 uint &maxNumStep,
00066 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destPos,
00067 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>
00068 )
00069 {
00070 uint numToFill = <a class="code" href="namespaceNL3D.html#a435">ScaleFloatGE</a>(startValue, deltaT, clampValue, maxNumStep);
00071 <a class="code" href="debug_8h.html#a6">nlassert</a>(numToFill <= maxNumStep);
00072 startValue += numToFill * deltaT;
00073 maxNumStep -= numToFill;
00074 <font class="keywordflow">while</font> (numToFill--)
00075 {
00076 *destPos = value;
00077 destPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00078 }
00079
00080 <font class="keywordflow">return</font> destPos;
00081 }
00082
00083 } <font class="comment">// NL3D</font>
00084
00085 <font class="preprocessor">#endif</font>
</pre></div>
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