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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/transformable_8cpp-source.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
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1 files changed, 282 insertions, 0 deletions
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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>transformable.cpp</h1><a href="transformable_8cpp.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 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="transformable_8h.html">3d/transformable.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="channel__mixer_8h.html">3d/channel_mixer.h</a>"</font> +00030 +00031 +00032 <font class="keyword">namespace </font>NL3D +00033 { +00034 +00035 +00036 <font class="comment">// ***************************************************************************</font> +<a name="l00037"></a><a class="code" href="classNL3D_1_1ITransformable.html#a0">00037</a> ITransformable::ITransformable() +00038 { +00039 <font class="comment">// Set number of animated values.</font> +00040 IAnimatable::resize (<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s10">AnimValueLast</a>); +00041 +00042 <font class="comment">// Deriver note: just copy this line in each ctor.</font> +00043 +00044 <font class="comment">// Init default values.</font> +00045 <a class="code" href="classNL3D_1_1ITransformable.html#o1">_Mode</a>= <a class="code" href="classNL3D_1_1ITransformable.html#s11s2">RotQuat</a>; +00046 <font class="comment">// matrix init to identity.</font> +00047 <a class="code" href="classNL3D_1_1ITransformable.html#o4">_Pos</a>.Value= CVector::Null; +00048 <a class="code" href="classNL3D_1_1ITransformable.html#o5">_RotEuler</a>.Value= CVector::Null; +00049 <a class="code" href="classNL3D_1_1ITransformable.html#o6">_RotQuat</a>.Value= CQuat::Identity; +00050 <a class="code" href="classNL3D_1_1ITransformable.html#o7">_Scale</a>.Value= CVector(1,1,1); +00051 <a class="code" href="classNL3D_1_1ITransformable.html#o8">_Pivot</a>.Value= CVector::Null; +00052 +00053 <a class="code" href="classNL3D_1_1ITransformable.html#o3">_LocalMatrixDate</a>= 0; +00054 } +00055 +00056 +00057 <font class="comment">// ***************************************************************************</font> +<a name="l00058"></a><a class="code" href="classNL3D_1_1ITransformable.html#z793_1">00058</a> IAnimatedValue* ITransformable::getValue (<a class="code" href="types__nl_8h.html#a13">uint</a> valueId) +00059 { +00060 <font class="comment">// what value ?</font> +00061 <font class="keywordflow">switch</font> (valueId) +00062 { +00063 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s5">PosValue</a>: <font class="keywordflow">return</font> &<a class="code" href="classNL3D_1_1ITransformable.html#o4">_Pos</a>; +00064 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s6">RotEulerValue</a>: <font class="keywordflow">return</font> &<a class="code" href="classNL3D_1_1ITransformable.html#o5">_RotEuler</a>; +00065 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s7">RotQuatValue</a>: <font class="keywordflow">return</font> &<a class="code" href="classNL3D_1_1ITransformable.html#o6">_RotQuat</a>; +00066 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s8">ScaleValue</a>: <font class="keywordflow">return</font> &<a class="code" href="classNL3D_1_1ITransformable.html#o7">_Scale</a>; +00067 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s9">PivotValue</a>: <font class="keywordflow">return</font> &<a class="code" href="classNL3D_1_1ITransformable.html#o8">_Pivot</a>; +00068 } +00069 +00070 <font class="comment">// No, only ITrnasformable values!</font> +00071 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00072 <font class="comment">// Deriver note: else call BaseClass::getValue(valueId);</font> +00073 +00074 <font class="keywordflow">return</font> NULL; +00075 } +00076 <font class="comment">// ***************************************************************************</font> +<a name="l00077"></a><a class="code" href="classNL3D_1_1ITransformable.html#z793_2">00077</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getValueName (<a class="code" href="types__nl_8h.html#a13">uint</a> valueId)<font class="keyword"> const</font> +00078 <font class="keyword"></font>{ +00079 <font class="comment">// what value ?</font> +00080 <font class="keywordflow">switch</font> (valueId) +00081 { +00082 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s5">PosValue</a>: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1ITransformable.html#d0">getPosValueName</a> (); +00083 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s6">RotEulerValue</a>: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1ITransformable.html#d1">getRotEulerValueName</a>(); +00084 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s7">RotQuatValue</a>: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1ITransformable.html#d2">getRotQuatValueName</a>(); +00085 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s8">ScaleValue</a>: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1ITransformable.html#d3">getScaleValueName</a>(); +00086 <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1ITransformable.html#z793_0s9">PivotValue</a>: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1ITransformable.html#d4">getPivotValueName</a>(); +00087 } +00088 +00089 <font class="comment">// No, only ITrnasformable values!</font> +00090 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00091 <font class="comment">// Deriver note: else call BaseClass::getValueName(valueId);</font> +00092 +00093 <font class="keywordflow">return</font> <font class="stringliteral">""</font>; +00094 } +00095 +00096 <font class="comment">// ***************************************************************************</font> +<a name="l00097"></a><a class="code" href="classNL3D_1_1ITransformable.html#d0">00097</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getPosValueName () +00098 { +00099 <font class="keywordflow">return</font> <font class="stringliteral">"pos"</font>; +00100 } +00101 <font class="comment">// ***************************************************************************</font> +<a name="l00102"></a><a class="code" href="classNL3D_1_1ITransformable.html#d1">00102</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getRotEulerValueName() +00103 { +00104 <font class="keywordflow">return</font> <font class="stringliteral">"roteuler"</font>; +00105 } +00106 <font class="comment">// ***************************************************************************</font> +<a name="l00107"></a><a class="code" href="classNL3D_1_1ITransformable.html#d2">00107</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getRotQuatValueName() +00108 { +00109 <font class="keywordflow">return</font> <font class="stringliteral">"rotquat"</font>; +00110 } +00111 <font class="comment">// ***************************************************************************</font> +<a name="l00112"></a><a class="code" href="classNL3D_1_1ITransformable.html#d3">00112</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getScaleValueName() +00113 { +00114 <font class="keywordflow">return</font> <font class="stringliteral">"scale"</font>; +00115 } +00116 <font class="comment">// ***************************************************************************</font> +<a name="l00117"></a><a class="code" href="classNL3D_1_1ITransformable.html#d4">00117</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *ITransformable::getPivotValueName() +00118 { +00119 <font class="keywordflow">return</font> <font class="stringliteral">"pivot"</font>; +00120 } +00121 +00122 +00123 <font class="comment">// ***************************************************************************</font> +<a name="l00124"></a><a class="code" href="classNL3D_1_1ITransformable.html#c0">00124</a> <font class="keywordtype">void</font> ITransformable::clearTransformFlags()<font class="keyword"> const</font> +00125 <font class="keyword"></font>{ +00126 <a class="code" href="classNL3D_1_1ITransformable.html#a0">ITransformable</a> *self= const_cast<ITransformable*>(this); +00127 +00128 <font class="comment">// clear my falgs.</font> +00129 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s5">PosValue</a>); +00130 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s6">RotEulerValue</a>); +00131 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s7">RotQuatValue</a>); +00132 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s8">ScaleValue</a>); +00133 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s9">PivotValue</a>); +00134 +00135 <font class="comment">// We are OK!</font> +00136 self->clearFlag(<a class="code" href="classNL3D_1_1ITransformable.html#z793_0s4">OwnerBit</a>); +00137 } +00138 +00139 +00140 <font class="comment">// ***************************************************************************</font> +<a name="l00141"></a><a class="code" href="classNL3D_1_1ITransformable.html#c1">00141</a> <font class="keywordtype">void</font> ITransformable::updateMatrix()<font class="keyword"> const</font> +00142 <font class="keyword"></font>{ +00143 <font class="comment">// should we update?</font> +00144 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1ITransformable.html#c2">needCompute</a>()) +00145 { +00146 <a class="code" href="classNL3D_1_1ITransformable.html#c0">clearTransformFlags</a>(); +00147 <font class="comment">// update scale date (so sons are informed of change).</font> +00148 <a class="code" href="classNL3D_1_1ITransformable.html#o3">_LocalMatrixDate</a>++; +00149 +00150 <font class="comment">// update the matrix.</font> +00151 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.identity(); +00152 +00153 <font class="comment">// father scale will be herited.</font> +00154 <font class="comment">// T*P</font> +00155 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.translate(<a class="code" href="classNL3D_1_1ITransformable.html#o4">_Pos</a>.Value+<a class="code" href="classNL3D_1_1ITransformable.html#o8">_Pivot</a>.Value); +00156 +00157 <font class="comment">// R*S*P-1.</font> +00158 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1ITransformable.html#o1">_Mode</a>==<a class="code" href="classNL3D_1_1ITransformable.html#s11s1">RotEuler</a>) +00159 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.rotate(<a class="code" href="classNL3D_1_1ITransformable.html#o5">_RotEuler</a>.Value, <a class="code" href="classNL3D_1_1ITransformable.html#o2">_RotOrder</a>); +00160 <font class="keywordflow">else</font> +00161 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.rotate(<a class="code" href="classNL3D_1_1ITransformable.html#o6">_RotQuat</a>.Value); +00162 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.scale(<a class="code" href="classNL3D_1_1ITransformable.html#o7">_Scale</a>.Value); +00163 <a class="code" href="classNL3D_1_1ITransformable.html#o0">_LocalMatrix</a>.translate(-<a class="code" href="classNL3D_1_1ITransformable.html#o8">_Pivot</a>.Value); +00164 } +00165 } +00166 +00167 +00168 <font class="comment">// ***************************************************************************</font> +<a name="l00169"></a><a class="code" href="classNL3D_1_1ITransformable.html#z792_0">00169</a> <font class="keywordtype">void</font> ITransformable::lookAt (<font class="keyword">const</font> CVector& eye, <font class="keyword">const</font> CVector& target, <font class="keywordtype">float</font> roll) +00170 { +00171 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1ITransformable.html#o1">_Mode</a>==<a class="code" href="classNL3D_1_1ITransformable.html#s11s2">RotQuat</a> || <a class="code" href="classNL3D_1_1ITransformable.html#o1">_Mode</a>==<a class="code" href="classNL3D_1_1ITransformable.html#s11s0">DirectMatrix</a>); +00172 +00173 <font class="comment">// Roll matrix</font> +00174 CMatrix rollMT; +00175 rollMT.identity(); +00176 <font class="keywordflow">if</font> (roll!=0.f) +00177 rollMT.rotateY (roll); +00178 +00179 <font class="comment">// Make the target base</font> +00180 CVector j=target; +00181 j-=eye; +00182 j.normalize(); +00183 CVector i=j^CVector (0,0,1.f); +00184 CVector k=i^j; +00185 k.normalize(); +00186 i=j^k; +00187 i.normalize(); +00188 +00189 <font class="comment">// Make the target matrix</font> +00190 CMatrix targetMT; +00191 targetMT.identity(); +00192 targetMT.setRot (i, j, k); +00193 targetMT.setPos (eye); +00194 +00195 <font class="comment">// Compose matrix</font> +00196 targetMT*=rollMT; +00197 +00198 <font class="comment">// Set the matrix</font> +00199 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1ITransformable.html#o1">_Mode</a>==<a class="code" href="classNL3D_1_1ITransformable.html#s11s0">DirectMatrix</a>) +00200 <a class="code" href="classNL3D_1_1ITransformable.html#z790_10">setMatrix</a> (targetMT); +00201 <font class="keywordflow">else</font> +00202 { +00203 <font class="comment">// transfrom to quaternion mode.</font> +00204 <a class="code" href="classNL3D_1_1ITransformable.html#z790_5">setScale</a>(CVector(1,1,1)); +00205 <a class="code" href="classNL3D_1_1ITransformable.html#z790_8">setPivot</a>(CVector::Null); +00206 <a class="code" href="classNL3D_1_1ITransformable.html#z790_0">setPos</a>(targetMT.getPos()); +00207 <a class="code" href="classNL3D_1_1ITransformable.html#z790_4">setRotQuat</a>(targetMT.getRot()); +00208 } +00209 } +00210 +00211 +00212 +00213 } <font class="comment">// NL3D</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |