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<h1>CTrackKeyFramerTCB< CKeyT, T > Class Template Reference</h1><code>#include <<a class="el" href="a06566.html">track_tcb.h</a>></code>
<p>
<p>Inheritance diagram for CTrackKeyFramerTCB< CKeyT, T >:
<p><center><img src="a03581.png" usemap="#CTrackKeyFramerTCB< CKeyT, T >_map" border="0" alt=""></center>
<map name="CTrackKeyFramerTCB< CKeyT, T >_map">
<area href="a03471.html" alt="CTCBTools< CKeyT, T, TMapTimeCKey >" shape="rect" coords="0,0,251,24">
</map>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class CKeyT, class T><br>
class CTrackKeyFramerTCB< CKeyT, T ></h3>
ITrack implementation for TCB keyframer.<p>
<dl compact><dt><b>Author:</b></dt><dd>Cyril 'Hulud' Corvazier <p>
Nevrax France </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00202">202</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual const IAnimatedValue & </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBa0">getValue</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">From ITrack. <a href="#CTrackKeyFramerTCBa0"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Protected Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef CKeyT::TValueType </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBx0">TKeyValueType</a></td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">From ITrackKeyFramer</div></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBz1013_0">compile</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compile (precalc). <a href="#CTrackKeyFramerTCBz1013_0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBz1013_1">evalKey</a> (const CKeyT *previous, const CKeyT *next, TAnimationTime datePrevious, TAnimationTime dateNext, TAnimationTime date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">evalKey (runtime). <a href="#CTrackKeyFramerTCBz1013_1"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef TMapTimeCKey::iterator </td><td class="memItemRight" valign=bottom><a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0">TMapTimeCKeyIterator</a></td></tr>
<tr><td colspan=2><br><h2>Private Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0">compileTCBEase</a> (TMapTimeCKey &mapKey, bool loopMode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compute TCB ease information. <a href="#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBd1">computeFirstKey</a> (CKeyT &keyFirst, CKeyT &keyAfter)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d1">computeHermiteBasis</a> (float d, float hb[4])</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBd3">computeLastKey</a> (CKeyT &keyLast, CKeyT &keyBefore)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d2">computeTCBFactors</a> (const CKeyT &key, float timeBefore, float time, float timeAfter, float rangeDelta, bool firstKey, bool endKey, bool isLoop, float &ksm, float &ksp, float &kdm, float &kdp)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBd5">computeTCBKey</a> (CKeyT &keyBefore, CKeyT &key, CKeyT &keyAfter, float timeBefore, float time, float timeAfter, float rangeDelta, bool firstKey, bool endKey, bool isLoop)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBd6">computeTCBKeyLinear</a> (CKeyT &key0, CKeyT &key1)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>float </td><td class="memItemRight" valign=bottom><a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d4">ease</a> (const CKeyT *key, float d)</td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>CAnimatedValueBlendable< T > </td><td class="memItemRight" valign=bottom><a class="el" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a></td></tr>
</table>
<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="CTrackKeyFramerTCBx0" doxytag="CTrackKeyFramerTCB::TKeyValueType" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> typedef CKeyT::TValueType <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::<a class="el" href="a03581.html#CTrackKeyFramerTCBx0">TKeyValueType</a><code> [protected]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00215">215</a> of file <a class="el" href="a06566.html">track_tcb.h</a>. </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0" doxytag="CTrackKeyFramerTCB::TMapTimeCKeyIterator" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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template<class CKeyT, class T, class TMapTimeCKey> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> typedef TMapTimeCKey::iterator <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::<a class="el" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0">TMapTimeCKeyIterator</a><code> [protected, inherited]</code>
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<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00051">51</a> of file <a class="el" href="a06566.html">track_tcb.h</a>. </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="CTrackKeyFramerTCBz1013_0" doxytag="CTrackKeyFramerTCB::compile" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::compile </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, protected, virtual]</code></td>
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<p>
compile (precalc).
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00253">253</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
References <a class="el" href="a06566.html#l00056">CTCBTools< CKeyT, T, TMapTimeCKey >::compileTCBEase()</a>, <a class="el" href="a06566.html#l00359">CTrackKeyFramerTCB< CKeyT, T >::computeFirstKey()</a>, <a class="el" href="a06566.html#l00367">CTrackKeyFramerTCB< CKeyT, T >::computeLastKey()</a>, <a class="el" href="a06566.html#l00326">CTrackKeyFramerTCB< CKeyT, T >::computeTCBKey()</a>, <a class="el" href="a06566.html#l00346">CTrackKeyFramerTCB< CKeyT, T >::computeTCBKeyLinear()</a>, and <a class="el" href="a05981.html#l00104">sint</a>.
<p>
<div class="fragment"><pre>00254 {
00255 ITrackKeyFramer<CKeyT>::compile();
00256
00257 <span class="comment">// Ease Precompute.</span>
00258 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0">compileTCBEase</a>(_MapKey, getLoopMode());
00259
00260
00261 <span class="comment">// Tangents Precompute.</span>
00262 <a class="code" href="a04558.html#a14">sint</a> nKeys= _MapKey.size();
00263 <span class="keywordflow">if</span>(nKeys<=1)
00264 <span class="keywordflow">return</span>;
00265
00266 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator it= _MapKey.begin(); <span class="comment">// first key.</span>
00267 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator itNext= it; itNext++; <span class="comment">// second key.</span>
00268 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator itPrev= _MapKey.end(); itPrev--; <span class="comment">// last key.</span>
00269
00270 <span class="keywordflow">if</span>(nKeys==2 && !getLoopMode())
00271 {
00272 <a class="code" href="a03581.html#CTrackKeyFramerTCBd6">computeTCBKeyLinear</a>( it->second, itNext->second );
00273 }
00274 <span class="keywordflow">else</span>
00275 {
00276 <span class="comment">// rangeDelta is the length of effective Range - length of LastKey-FirstKey.</span>
00277 <span class="comment">// NB: if RangeLock, rangeDelta==0.</span>
00278 <span class="keywordtype">float</span> rangeDelta;
00279 <span class="comment">// NB: _RangeDelta has just been compiled in ITrackKeyFramer<CKeyT>::compile().</span>
00280 rangeDelta= getCompiledRangeDelta();
00281
00282 <span class="comment">// Compute all middle keys.</span>
00283 <span class="keywordflow">for</span>(;it!=_MapKey.end();)
00284 {
00285 <span class="comment">// Do the first key and the last key only in LoopMode.</span>
00286 <span class="comment">// NB: we are the last if itNext==_MapKey.begin().</span>
00287 <span class="keywordflow">if</span>(getLoopMode() || (it!=_MapKey.begin() && itNext!=_MapKey.begin()) )
00288 {
00289 <a class="code" href="a03581.html#CTrackKeyFramerTCBd5">computeTCBKey</a>(itPrev->second, it->second, itNext->second,
00290 itPrev->first, it->first, itNext->first, rangeDelta,
00291 it==_MapKey.begin(), itNext==_MapKey.begin(), getLoopMode());
00292 }
00293
00294 <span class="comment">// Next key!!</span>
00295 itPrev= it;
00296 it++;
00297 itNext++;
00298 <span class="comment">// loop.</span>
00299 <span class="keywordflow">if</span>(itNext==_MapKey.end())
00300 itNext= _MapKey.begin();
00301 }
00302
00303 <span class="comment">// In not loop mode, compute first and last key, AFTER middle keys computed.</span>
00304 <span class="keywordflow">if</span>(!getLoopMode())
00305 {
00306 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator it0= _MapKey.begin(); <span class="comment">// first key.</span>
00307 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator it1= it0; it1++; <span class="comment">// second key.</span>
00308 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator itLast= _MapKey.end();itLast--; <span class="comment">// last key.</span>
00309 <span class="keyword">typename</span> std::map<TAnimationTime, CKeyT>::iterator itLastPrev= itLast;itLastPrev--; <span class="comment">// prev of last key.</span>
00310
00311 <a class="code" href="a03581.html#CTrackKeyFramerTCBd1">computeFirstKey</a>(it0->second, it1->second);
00312 <a class="code" href="a03581.html#CTrackKeyFramerTCBd3">computeLastKey</a>(itLast->second, itLastPrev->second);
00313 }
00314 }
00315 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0" doxytag="CTrackKeyFramerTCB::compileTCBEase" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T, class TMapTimeCKey> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::compileTCBEase </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">TMapTimeCKey & </td>
<td class="mdname" nowrap> <em>mapKey</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>loopMode</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, inherited]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
compute TCB ease information.
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00056">56</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00430">CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compile()</a>, and <a class="el" href="a06566.html#l00253">CTrackKeyFramerTCB< CKeyT, T >::compile()</a>.
<p>
<div class="fragment"><pre>00057 {
00058 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0">TMapTimeCKeyIterator</a> it= mapKey.begin();
00059 <span class="keywordflow">for</span>(;it!=mapKey.end();it++)
00060 {
00061 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0">TMapTimeCKeyIterator</a> next= it;
00062 next++;
00063
00064 <span class="comment">// loop mgt. must compute ease from last to first (usefull if _RangeLock is false).</span>
00065 <span class="keywordflow">if</span>(next==mapKey.end() && loopMode && mapKey.size()>1)
00066 next= mapKey.begin();
00067
00068 <span class="comment">// Ease Precompute.</span>
00069 <span class="comment">//=================</span>
00070 CKeyT &key= it->second;
00071 <span class="keywordflow">if</span>(next!=mapKey.end())
00072 {
00073 <span class="keywordtype">float</span> e0= it->second.EaseFrom;
00074 <span class="keywordtype">float</span> e1= next->second.EaseTo;
00075 <span class="keywordtype">float</span> <a class="code" href="a04223.html#a626">s</a> = e0 + e1;
00076
00077 <span class="comment">// "normalize".</span>
00078 <span class="keywordflow">if</span> (<a class="code" href="a04223.html#a626">s</a> > 1.0f)
00079 {
00080 e0 = e0/<a class="code" href="a04223.html#a626">s</a>;
00081 e1 = e1/<a class="code" href="a04223.html#a626">s</a>;
00082 }
00083
00084 <span class="comment">// precalc ease factors.</span>
00085 key.Ease0= e0;
00086 key.Ease1= e1;
00087 key.EaseK= 1/(2.0f - e0 - e1);
00088 <span class="keywordflow">if</span>(e0)
00089 key.EaseKOverEase0= key.EaseK / e0;
00090 <span class="keywordflow">if</span>(e1)
00091 key.EaseKOverEase1= key.EaseK / e1;
00092 }
00093 <span class="keywordflow">else</span>
00094 {
00095 <span class="comment">// force ease() to just return d (see ease()).</span>
00096 key.EaseK = 0.5f;
00097 }
00098
00099 }
00100 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCBd1" doxytag="CTrackKeyFramerTCB::computeFirstKey" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::computeFirstKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">CKeyT & </td>
<td class="mdname" nowrap> <em>keyFirst</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyT & </td>
<td class="mdname" nowrap> <em>keyAfter</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, private]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00359">359</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00253">CTrackKeyFramerTCB< CKeyT, T >::compile()</a>.
<p>
<div class="fragment"><pre>00360 {
00361 <span class="keywordtype">float</span> tm;
00362 tm = 0.5f * (1.0f - keyFirst.Tension);
00363 keyFirst.TanFrom= tm * ((keyAfter.Value - keyFirst.Value) * 3.0f - keyAfter.TanTo);
00364 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d1" doxytag="CTrackKeyFramerTCB::computeHermiteBasis" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T, class TMapTimeCKey> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::computeHermiteBasis </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">float </td>
<td class="mdname" nowrap> <em>d</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>hb</em>[4]</td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, inherited]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00121">121</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00223">CTrackKeyFramerTCB< CKeyT, T >::evalKey()</a>.
<p>
<div class="fragment"><pre>00122 {
00123 <span class="keywordtype">float</span> d2,d3,a;
00124
00125 d2 = d*d;
00126 d3 = d2*d;
00127 a = 3.0f*d2 - 2.0f*d3;
00128 hb[0] = 1.0f - a;
00129 hb[1] = a;
00130 hb[2] = d3 - 2.0f*d2 + d;
00131 hb[3] = d3 - d2;
00132 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCBd3" doxytag="CTrackKeyFramerTCB::computeLastKey" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::computeLastKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">CKeyT & </td>
<td class="mdname" nowrap> <em>keyLast</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyT & </td>
<td class="mdname" nowrap> <em>keyBefore</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, private]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00367">367</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00253">CTrackKeyFramerTCB< CKeyT, T >::compile()</a>.
<p>
<div class="fragment"><pre>00368 {
00369 <span class="keywordtype">float</span> tm;
00370 tm = 0.5f * (1.0f - keyLast.Tension);
00371 keyLast.TanTo= tm * ((keyLast.Value - keyBefore.Value) * 3.0f - keyBefore.TanFrom);
00372 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d2" doxytag="CTrackKeyFramerTCB::computeTCBFactors" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T, class TMapTimeCKey> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::computeTCBFactors </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CKeyT & </td>
<td class="mdname" nowrap> <em>key</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>timeBefore</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>time</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>timeAfter</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>rangeDelta</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>firstKey</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>endKey</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>isLoop</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float & </td>
<td class="mdname" nowrap> <em>ksm</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float & </td>
<td class="mdname" nowrap> <em>ksp</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float & </td>
<td class="mdname" nowrap> <em>kdm</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float & </td>
<td class="mdname" nowrap> <em>kdp</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, inherited]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00136">136</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00520">CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::computeTCBKey()</a>, and <a class="el" href="a06566.html#l00326">CTrackKeyFramerTCB< CKeyT, T >::computeTCBKey()</a>.
<p>
<div class="fragment"><pre>00138 {
00139 <span class="keywordtype">float</span> fp,fn;
00140
00141 <span class="keywordflow">if</span>(isLoop || (!firstKey && !endKey))
00142 {
00143 <span class="keywordtype">float</span> dtm;
00144 <span class="comment">// Compute Time deltas.</span>
00145 <span class="keywordflow">if</span> (firstKey)
00146 {
00147 dtm = 0.5f * (rangeDelta + timeAfter - time);
00148 fp = rangeDelta / dtm;
00149 fn = (timeAfter - time) / dtm;
00150 }
00151 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (endKey)
00152 {
00153 dtm = 0.5f * (rangeDelta + time - timeBefore);
00154 fp = rangeDelta / dtm;
00155 fn = (time - timeBefore) / dtm;
00156 }
00157 <span class="keywordflow">else</span>
00158 {
00159 dtm = 0.5f * (timeAfter - timeBefore);
00160 fp = (time - timeBefore) / dtm;
00161 fn = (timeAfter - time) / dtm;
00162 }
00163 <span class="keywordtype">float</span> c= (<span class="keywordtype">float</span>)fabs( key.Continuity );
00164 fp = fp + c - c * fp;
00165 fn = fn + c - c * fn;
00166 }
00167 <span class="keywordflow">else</span>
00168 {
00169 <span class="comment">// firstkey and lastkey of not loop track.</span>
00170 fp = 1.0f;
00171 fn = 1.0f;
00172 }
00173
00174 <span class="comment">// Compute tangents factors.</span>
00175 <span class="keywordtype">float</span> tm,cm,cp,bm,bp,tmcm,tmcp;
00176
00177 cm = 1.0f - key.Continuity;
00178 tm = 0.5f * ( 1.0f - key.Tension );
00179 cp = 2.0f - cm;
00180 bm = 1.0f - key.Bias;
00181 bp = 2.0f - bm;
00182 tmcm = tm*cm; tmcp = tm*cp;
00183
00184 <span class="comment">// tgts factors.</span>
00185 ksm = tmcm*bp*fp; ksp = tmcp*bm*fp;
00186 kdm = tmcp*bp*fn; kdp = tmcm*bm*fn;
00187
00188 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCBd5" doxytag="CTrackKeyFramerTCB::computeTCBKey" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::computeTCBKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">CKeyT & </td>
<td class="mdname" nowrap> <em>keyBefore</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyT & </td>
<td class="mdname" nowrap> <em>key</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyT & </td>
<td class="mdname" nowrap> <em>keyAfter</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>timeBefore</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>time</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>timeAfter</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>rangeDelta</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>firstKey</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>endKey</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>isLoop</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, private]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00326">326</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
References <a class="el" href="a06566.html#l00136">CTCBTools< CKeyT, T, TMapTimeCKey >::computeTCBFactors()</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00430">CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compile()</a>, and <a class="el" href="a06566.html#l00253">CTrackKeyFramerTCB< CKeyT, T >::compile()</a>.
<p>
<div class="fragment"><pre>00328 {
00329 <span class="keywordtype">float</span> ksm,ksp,kdm,kdp;
00330
00331 <span class="comment">// compute tangents factors.</span>
00332 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d2">computeTCBFactors</a>(key, timeBefore, time, timeAfter, rangeDelta, firstKey, endKey, isLoop, ksm,ksp,kdm,kdp);
00333
00334 <span class="comment">// Delta.</span>
00335 <a class="code" href="a03581.html#CTrackKeyFramerTCBx0">TKeyValueType</a> delm, delp;
00336 delm = key.Value - keyBefore.Value;
00337 delp = keyAfter.Value - key.Value;
00338
00339 <span class="comment">// Tangents.</span>
00340 key.TanTo = delm*ksm + delp*ksp;
00341 key.TanFrom= delm*kdm + delp*kdp;
00342
00343 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCBd6" doxytag="CTrackKeyFramerTCB::computeTCBKeyLinear" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::computeTCBKeyLinear </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">CKeyT & </td>
<td class="mdname" nowrap> <em>key0</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyT & </td>
<td class="mdname" nowrap> <em>key1</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, private]</code></td>
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</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00346">346</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00253">CTrackKeyFramerTCB< CKeyT, T >::compile()</a>.
<p>
<div class="fragment"><pre>00347 {
00348 <span class="keywordtype">float</span> f0, f1;
00349 <a class="code" href="a03581.html#CTrackKeyFramerTCBx0">TKeyValueType</a> dv;
00350
00351 f0 = 1.0f - key0.Tension;
00352 f1 = 1.0f - key1.Tension;
00353 dv = key1.Value - key0.Value;
00354 key0.TanFrom= dv * f0;
00355 key1.TanTo= dv * f1;
00356 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d4" doxytag="CTrackKeyFramerTCB::ease" ></a><p>
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<td class="md" colspan="4">
template<class CKeyT, class T, class TMapTimeCKey> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> float <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::ease </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CKeyT * </td>
<td class="mdname" nowrap> <em>key</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>float </td>
<td class="mdname" nowrap> <em>d</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, inherited]</code></td>
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</td>
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<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00103">103</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
Referenced by <a class="el" href="a06566.html#l00401">CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::evalKey()</a>, and <a class="el" href="a06566.html#l00223">CTrackKeyFramerTCB< CKeyT, T >::evalKey()</a>.
<p>
<div class="fragment"><pre>00104 {
00105 <span class="keywordflow">if</span> (d==0.0f || d==1.0f) <span class="keywordflow">return</span> d;
00106 <span class="comment">// k==0.5f <=> e0+e1 == 0.</span>
00107 <span class="keywordflow">if</span> (key->EaseK == 0.5f) <span class="keywordflow">return</span> d;
00108
00109 <span class="keywordflow">if</span> (d < key->Ease0)
00110 <span class="keywordflow">return</span> key->EaseKOverEase0 * d*d;
00111 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (d < 1.0f - key->Ease1)
00112 <span class="keywordflow">return</span> key->EaseK * (2.0f*d - key->Ease0);
00113 <span class="keywordflow">else</span>
00114 {
00115 d = 1.0f - d;
00116 <span class="keywordflow">return</span> 1.0f - key->EaseKOverEase1 * d*d;
00117 }
00118 }
</pre></div> </td>
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<a class="anchor" name="CTrackKeyFramerTCBz1013_1" doxytag="CTrackKeyFramerTCB::evalKey" ></a><p>
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template<class CKeyT, class T> </td>
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<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::evalKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CKeyT * </td>
<td class="mdname" nowrap> <em>previous</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>const CKeyT * </td>
<td class="mdname" nowrap> <em>next</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>datePrevious</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>dateNext</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>date</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, virtual]</code></td>
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</td>
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<td>
</td>
<td>
<p>
evalKey (runtime).
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00223">223</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
References <a class="el" href="a05587.html#l00115">NLMISC::clamp()</a>, <a class="el" href="a06566.html#l00121">CTCBTools< CKeyT, T, TMapTimeCKey >::computeHermiteBasis()</a>, and <a class="el" href="a06566.html#l00103">CTCBTools< CKeyT, T, TMapTimeCKey >::ease()</a>.
<p>
<div class="fragment"><pre>00226 {
00227 <span class="keywordflow">if</span>(previous && next)
00228 {
00229 <span class="comment">// lerp from previous to cur.</span>
00230 date-= datePrevious;
00231 date*= previous->OODeltaTime;
00232 <a class="code" href="a05378.html#a374">NLMISC::clamp</a>(date, 0,1);
00233
00234 date = <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d4">ease</a>(previous, date);
00235
00236 <span class="keywordtype">float</span> hb[4];
00237 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d1">computeHermiteBasis</a>(date, hb);
00238 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a>.Value,
00239 previous->Value*hb[0] + next->Value*hb[1] +
00240 previous->TanFrom*hb[2] + next->TanTo*hb[3]);
00241 }
00242 <span class="keywordflow">else</span>
00243 {
00244 <span class="keywordflow">if</span> (previous)
00245 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a>.Value, previous->Value);
00246 <span class="keywordflow">else</span>
00247 <span class="keywordflow">if</span> (next)
00248 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a>.Value, next->Value);
00249 }
00250 }
</pre></div> </td>
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</table>
<a class="anchor" name="CTrackKeyFramerTCBa0" doxytag="CTrackKeyFramerTCB::getValue" ></a><p>
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template<class CKeyT, class T> </td>
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<td class="md" nowrap valign="top"> virtual const IAnimatedValue& <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::getValue </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual]</code></td>
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</td>
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<p>
From ITrack.
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00207">207</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
<div class="fragment"><pre>00208 {
00209 <span class="keywordflow">return</span> <a class="code" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a>;
00210 }
</pre></div> </td>
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<hr><h2>Field Documentation</h2>
<a class="anchor" name="CTrackKeyFramerTCBr0" doxytag="CTrackKeyFramerTCB::_Value" ></a><p>
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template<class CKeyT, class T> </td>
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<tr>
<td class="md" nowrap valign="top"> CAnimatedValueBlendable<T> <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyT, T >::<a class="el" href="a03581.html#CTrackKeyFramerTCBr0">_Value</a><code> [private]</code>
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</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00322">322</a> of file <a class="el" href="a06566.html">track_tcb.h</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a06566.html">track_tcb.h</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:43:54 2004 for NeL by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
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