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<hr><h1>aabbox.h</h1><a href="aabbox_h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 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 <font class="preprocessor">#ifndef NL_AABBOX_H
</font>00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_AABBOX_H
</font>00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="types_nl_h.html">nel/misc/types_nl.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="vector_h.html">nel/misc/vector.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="plane_h.html">nel/misc/plane.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="common_h.html">nel/misc/common.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="stream_h.html">nel/misc/stream.h</a>"</font>
00034
00035
00036 <font class="keyword">namespace</font> NL3D {
00037
00038
00039 <font class="keyword">using</font> <a class="code" href="class_NLMISC__CVector.html">NLMISC::CVector</a>;
00040 <font class="keyword">using</font> <a class="code" href="class_NLMISC__CPlane.html">NLMISC::CPlane</a>;
00041
00042
00043 <font class="comment">// ***************************************************************************
</font><a name="l00051"></a><a class="code" href="class_NL3D__CAABBox.html">00051</a> <font class="comment"></font><font class="keyword">class </font>CAABBox
00052 {
00053 <font class="keyword">protected</font>:
<a name="l00055"></a><a class="code" href="class_NL3D__CAABBox.html#n0">00055</a> CVector Center;
<a name="l00057"></a><a class="code" href="class_NL3D__CAABBox.html#n1">00057</a> CVector HalfSize;
00058
00059 <font class="keyword">public</font>:
00060
<a name="l00062"></a><a class="code" href="class_NL3D__CAABBox.html#a0">00062</a> CAABBox() : Center(0,0,0), HalfSize(0,0,0) {}
00063
00064
00066 <font class="comment">// @{</font>
<a name="l00067"></a><a class="code" href="class_NL3D__CAABBox.html#a1">00067</a> <font class="keywordtype">void</font> setCenter(<font class="keyword">const</font> CVector &center)<font class="keyword"> </font>{Center= center;}
<a name="l00068"></a><a class="code" href="class_NL3D__CAABBox.html#a2">00068</a> <font class="keywordtype">void</font> setHalfSize(<font class="keyword">const</font> CVector &hs)<font class="keyword"> </font>{HalfSize= hs;}
<a name="l00069"></a><a class="code" href="class_NL3D__CAABBox.html#a3">00069</a> <font class="keywordtype">void</font> setSize(<font class="keyword">const</font> CVector &s)<font class="keyword"> </font>{HalfSize= s/2;}
<a name="l00071"></a><a class="code" href="class_NL3D__CAABBox.html#a4">00071</a> <font class="keywordtype">void</font> setMinMax(<font class="keyword">const</font> CVector &bmin, <font class="keyword">const</font> CVector &bmax)<font class="keyword">
</font>00072 <font class="keyword"> </font>{
00073 Center= (bmin+bmax)/2;
00074 HalfSize= bmax-Center;
00075 }
00080 <font class="keywordtype">void</font> extend(<font class="keyword">const</font> CVector &v);
00082
00083
00085 <font class="comment">// @{</font>
<a name="l00086"></a><a class="code" href="class_NL3D__CAABBox.html#a6">00086</a> CVector getMin()<font class="keyword"> const </font>{<font class="keywordflow">return</font> Center-HalfSize;}
<a name="l00087"></a><a class="code" href="class_NL3D__CAABBox.html#a7">00087</a> CVector getMax()<font class="keyword"> const </font>{<font class="keywordflow">return</font> Center+HalfSize;}
<a name="l00088"></a><a class="code" href="class_NL3D__CAABBox.html#a8">00088</a> CVector getCenter()<font class="keyword"> const </font>{<font class="keywordflow">return</font> Center;}
<a name="l00089"></a><a class="code" href="class_NL3D__CAABBox.html#a9">00089</a> CVector getHalfSize()<font class="keyword"> const </font>{<font class="keywordflow">return</font> HalfSize;}
<a name="l00091"></a><a class="code" href="class_NL3D__CAABBox.html#a10">00091</a> CVector getSize()<font class="keyword"> const </font>{<font class="keywordflow">return</font> HalfSize*2;}
<a name="l00093"></a><a class="code" href="class_NL3D__CAABBox.html#a11">00093</a> <font class="keywordtype">float</font> getRadius()<font class="keyword"> const </font>{<font class="keywordflow">return</font> HalfSize.norm();}
00094 <font class="comment">// @}</font>
00095
00097 <font class="comment">// @{
</font>00099 <font class="comment"> bool clipFront(const CPlane &p) const;
</font>00101 <font class="comment"> bool clipBack(const CPlane &p) const;
</font>00103 <font class="comment"> bool include(const CVector &a) const;
</font>00105 <font class="comment"> bool intersect(const CVector &a, const CVector &b, const CVector &c) const;</font>
00106 <font class="comment">// @}</font>
00107
00109 <font class="comment">// @{
</font>00111 <font class="comment"> void makePyramid(CPlane planes[6]) const;</font>
00112 <font class="comment">// @}</font>
00113
00114 <font class="keywordtype">void</font> serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &f);
00115 };
00116
00117
00118 <font class="comment">// ***************************************************************************
</font><a name="l00125"></a><a class="code" href="class_NL3D__CAABBoxExt.html">00125</a> <font class="comment"></font><font class="keyword">class </font>CAABBoxExt : <font class="keyword">private</font> CAABBox
00126 {
00127 <font class="keyword">protected</font>:
<a name="l00128"></a><a class="code" href="class_NL3D__CAABBoxExt.html#n0">00128</a> <font class="keywordtype">float</font> RadiusMin, RadiusMax;
00129
<a name="l00130"></a><a class="code" href="class_NL3D__CAABBoxExt.html#b0">00130</a> <font class="keywordtype">void</font> updateRadius()<font class="keyword">
</font>00131 <font class="keyword"> </font>{
00132 <font class="comment">// The bounding sphere.</font>
00133 RadiusMax= CAABBox::getRadius();
00134 <font class="comment">// The including sphere.</font>
00135 RadiusMin= <a class="code" href="namespace_NLMISC.html#a165">NLMISC::minof</a>((<font class="keywordtype">float</font>)fabs(HalfSize.x), (<font class="keywordtype">float</font>)fabs(HalfSize.y), (<font class="keywordtype">float</font>)fabs(HalfSize.z));
00136 }
00137
00138 <font class="keyword">public</font>:
<a name="l00140"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a0">00140</a> CAABBoxExt()<font class="keyword"> </font>{RadiusMin= RadiusMax=0;}
<a name="l00142"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a1">00142</a> CAABBoxExt(<font class="keyword">const</font> CAABBox &o)<font class="keyword"> </font>{RadiusMin= RadiusMax=0; *<font class="keyword">this</font>=o;}
00143
00144
00146 <font class="comment">// @{</font>
<a name="l00147"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a2">00147</a> <font class="keywordtype">void</font> setCenter(<font class="keyword">const</font> CVector &center)<font class="keyword"> </font>{Center= center;}
<a name="l00148"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a3">00148</a> <font class="keywordtype">void</font> setHalfSize(<font class="keyword">const</font> CVector &hs)<font class="keyword"> </font>{HalfSize= hs; updateRadius();}
<a name="l00149"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a4">00149</a> <font class="keywordtype">void</font> setSize(<font class="keyword">const</font> CVector &s)<font class="keyword"> </font>{HalfSize= s/2; updateRadius();}
<a name="l00151"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a5">00151</a> <font class="keywordtype">void</font> setMinMax(<font class="keyword">const</font> CVector &bmin, <font class="keyword">const</font> CVector &bmax)<font class="keyword">
</font>00152 <font class="keyword"> </font>{
00153 Center= (bmin+bmax)/2;
00154 HalfSize= bmax-Center;
00155 updateRadius();
00156 }
<a name="l00157"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a6">00157</a> CAABBoxExt &operator=(<font class="keyword">const</font> CAABBox &o)<font class="keyword"> </font>{Center= o.getCenter(); HalfSize= o.getHalfSize(); updateRadius(); <font class="keywordflow">return</font> (*this);}
00159
00160
00162 <font class="comment">// @{</font>
<a name="l00163"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a7">00163</a> CVector getMin()<font class="keyword"> const </font>{<font class="keywordflow">return</font> CAABBox::getMin();}
<a name="l00164"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a8">00164</a> CVector getMax()<font class="keyword"> const </font>{<font class="keywordflow">return</font> CAABBox::getMax();}
<a name="l00165"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a9">00165</a> CVector getCenter()<font class="keyword"> const </font>{<font class="keywordflow">return</font> Center;}
<a name="l00166"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a10">00166</a> CVector getHalfSize()<font class="keyword"> const </font>{<font class="keywordflow">return</font> HalfSize;}
<a name="l00168"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a11">00168</a> CVector getSize()<font class="keyword"> const </font>{<font class="keywordflow">return</font> HalfSize*2;}
<a name="l00170"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a12">00170</a> <font class="keywordtype">float</font> getRadius()<font class="keyword"> const </font>{<font class="keywordflow">return</font> RadiusMax;}
00171 <font class="comment">// @}</font>
00172
00174 <font class="comment">// @{
</font>00176 <font class="comment"> bool clipFront(const CPlane &p) const;
</font>00178 <font class="comment"> bool clipBack(const CPlane &p) const;
</font><a name="l00180"></a><a class="code" href="class_NL3D__CAABBoxExt.html#a15">00180</a> <font class="comment"> bool intersect(const CVector &a, const CVector &b, const CVector &c) const</font>
00181 {<font class="keywordflow">return</font> CAABBox::intersect(a,b,c);}
00182 <font class="comment">// @}</font>
00183
00184 <font class="keywordtype">void</font> serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &f);
00185 };
00186
00187
00188 } <font class="comment">// NL3D</font>
00189
00190
00191 <font class="preprocessor">#endif // NL_AABBOX_H
</font>00192 <font class="preprocessor"></font>
00193 <font class="comment">/* End of aabbox.h */</font>
</div></pre>
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