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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>NeL: CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis > class Reference</title>
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<h1>CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis > Class Reference</h1><code>#include <<a class="el" href="a06566.html">track_tcb.h</a>></code>
<p>
<p>Inheritance diagram for CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >:
<p><center><img src="a03583.png" usemap="#CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >_map" border="0" alt=""></center>
<map name="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >_map">
<area href="a03471.html" alt="CTCBTools< CKeyT, T, TMapTimeCKey >" shape="rect" coords="0,0,374,24">
</map>
<hr><a name="_details"></a><h2>Detailed Description</h2>
ITrack implementation for CQuat TCB keyframer.<p>
<dl compact><dt><b>Author:</b></dt><dd>Lionel Berenguier <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#l00386">386</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="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4a0">getValue</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">From ITrack. <a href="#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4a0"></a><br><br></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="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_0">compile</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compile (precalc). <a href="#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_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="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_1">evalKey</a> (const CKeyTCBQuat *previous, const CKeyTCBQuat *next, TAnimationTime datePrevious, TAnimationTime dateNext, TAnimationTime date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">evalKey (runtime). <a href="#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_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="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="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="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d3">computeTCBKey</a> (CKeyTCBQuat &keyBefore, CKeyTCBQuat &key, CKeyTCBQuat &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>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< CQuat > </td><td class="memItemRight" valign=bottom><a class="el" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0">_Value</a></td></tr>
</table>
<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4y0" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::TMapTimeCKeyIterator" ></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"> typedef TMapTimeCKey::iterator <a class="el" href="a03471.html">CTCBTools</a>< CKeyT, T, TMapTimeCKey >::TMapTimeCKeyIterator<code> [protected, inherited]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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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="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_0" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compile" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyTCBQuat, <a class="el" href="a02195.html">NLMISC::CAngleAxis</a> >::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, virtual]</code></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
compile (precalc).
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00430">430</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#l00326">CTrackKeyFramerTCB< CKeyT, T >::computeTCBKey()</a>, <a class="el" href="a05972.html#l00914">NLMISC::CMatrix::invert()</a>, <a class="el" href="a05972.html#l01170">NLMISC::CMatrix::normalize()</a>, <a class="el" href="a05972.html#l00209">NLMISC::CMatrix::setRot()</a>, and <a class="el" href="a05981.html#l00104">sint</a>.
<p>
<div class="fragment"><pre>00431 {
00432 ITrackKeyFramer<CKeyTCBQuat>::compile();
00433
00434 <span class="comment">// Ease Precompute.</span>
00435 <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0">compileTCBEase</a>(_MapKey, getLoopMode());
00436
00437 TMapTimeCKey::iterator it;
00438 TMapTimeCKey::iterator itNext;
00439 TMapTimeCKey::iterator itPrev;
00440
00441 <span class="comment">// Compute absolute quaternions.</span>
00442 <span class="keywordflow">for</span> (it= _MapKey.begin();it!=_MapKey.end();)
00443 {
00444 <a class="code" href="a05363.html#a48">CKeyTCBQuat</a> &key= it->second;
00445
00446 <span class="comment">// Compute Local AngleAxis.</span>
00447 <span class="keywordflow">if</span>(it!= _MapKey.begin())
00448 {
00449 <a class="code" href="a02851.html">NLMISC::CMatrix</a> mat;
00450 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_10">setRot</a>(itPrev->second.Quat);
00451 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1967_0">invert</a>();
00452 key.LocalAngleAxis.Axis= mat*key.Value.Axis;
00453 key.LocalAngleAxis.Angle= key.Value.Angle;
00454 }
00455 <span class="keywordflow">else</span>
00456 key.LocalAngleAxis= key.Value;
00457
00458
00459 key.LocalAngleAxis.Axis.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1967_2">normalize</a>();
00460 <span class="comment">// make angle positive.</span>
00461 <span class="keywordflow">if</span>(key.LocalAngleAxis.Angle<0.f)
00462 {
00463 key.LocalAngleAxis.Axis= -key.LocalAngleAxis.Axis;
00464 key.LocalAngleAxis.Angle= -key.LocalAngleAxis.Angle;
00465 }
00466
00467 <span class="comment">// relative quat</span>
00468 key.Quat.setAngleAxis(key.LocalAngleAxis);
00469
00470 <span class="comment">// absolute quat</span>
00471 <span class="keywordflow">if</span> (it!= _MapKey.begin())
00472 key.Quat = itPrev->second.Quat * key.Quat;
00473
00474 <span class="comment">// next key.</span>
00475 itPrev= it;
00476 it++;
00477 }
00478
00479 <span class="comment">// Tangents Precompute.</span>
00480 <a class="code" href="a04558.html#a14">sint</a> nKeys= _MapKey.size();
00481 <span class="keywordflow">if</span>(nKeys<=1)
00482 <span class="keywordflow">return</span>;
00483
00484 <span class="comment">// rangeDelta is the length of effective Range - length of LastKey-FirstKey.</span>
00485 <span class="comment">// NB: if RangeLock, rangeDelta==0.</span>
00486 <span class="keywordtype">float</span> rangeDelta;
00487 <span class="comment">// NB: _RangeDelta has just been compiled in ITrackKeyFramer<CKeyTCBQuat>::compile().</span>
00488 rangeDelta= getCompiledRangeDelta();
00489
00490 it= _MapKey.begin(); <span class="comment">// first key.</span>
00491 itNext= it; itNext++; <span class="comment">// second key.</span>
00492 itPrev= _MapKey.end(); itPrev--; <span class="comment">// last key.</span>
00493
00494 <span class="comment">// Compute all keys.</span>
00495 <span class="keywordflow">for</span>(;it!=_MapKey.end();)
00496 {
00497 <span class="comment">// NB: we are the last key if itNext==_MapKey.begin().</span>
00498 <a class="code" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d3">computeTCBKey</a>(itPrev->second, it->second, itNext->second,
00499 itPrev->first, it->first, itNext->first, rangeDelta, it==_MapKey.begin(), itNext==_MapKey.begin(), getLoopMode());
00500
00501 <span class="comment">// Next key!!</span>
00502 itPrev= it;
00503 it++;
00504 itNext++;
00505 <span class="comment">// loop.</span>
00506 <span class="keywordflow">if</span>(itNext==_MapKey.end())
00507 itNext= _MapKey.begin();
00508 }
00509
00510 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d0" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compileTCBEase" ></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"> 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>
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</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">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="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d1" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::computeHermiteBasis" ></a><p>
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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>
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<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>
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</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d2" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::computeTCBFactors" ></a><p>
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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>
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<table cellspacing=5 cellpadding=0 border=0>
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<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">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="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d3" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::computeTCBKey" ></a><p>
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<td class="md" nowrap valign="top"> void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyTCBQuat, <a class="el" href="a02195.html">NLMISC::CAngleAxis</a> >::computeTCBKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">CKeyTCBQuat & </td>
<td class="mdname" nowrap> <em>keyBefore</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyTCBQuat & </td>
<td class="mdname" nowrap> <em>key</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>CKeyTCBQuat & </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#l00520">520</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>
<div class="fragment"><pre>00522 {
00523 CQuat qp, qm;
00524
00525 <span class="comment">// compute qm.</span>
00526 <span class="keywordflow">if</span> (!firstKey || isLoop)
00527 {
00528 <span class="keywordtype">float</span> angle= key.LocalAngleAxis.Angle;
00529 CVector &axis= key.LocalAngleAxis.Axis;
00530
00531 <span class="keywordflow">if</span> (angle > 2*NLMISC::Pi- NLMISC::QuatEpsilon)
00532 {
00533 qm.set(axis.x, axis.y, axis.z, 0.0f);
00534 qm = qm.log();
00535 }
00536 <span class="keywordflow">else</span>
00537 {
00538 CQuat qprev= keyBefore.Quat;
00539 qprev.makeClosest(key.Quat);
00540 qm = CQuat::lnDif(qprev, key.Quat);
00541 }
00542 }
00543
00544 <span class="comment">// compute qp.</span>
00545 <span class="keywordflow">if</span> (!endKey || isLoop)
00546 {
00547 <span class="keywordtype">float</span> angle= keyAfter.LocalAngleAxis.Angle;
00548 CVector &axis= keyAfter.LocalAngleAxis.Axis;
00549
00550 <span class="keywordflow">if</span> (angle > 2*NLMISC::Pi- NLMISC::QuatEpsilon)
00551 {
00552 qp.set(axis.x, axis.y, axis.z, 0.0f);
00553 qp = qp.log();
00554 }
00555 <span class="keywordflow">else</span>
00556 {
00557 CQuat qnext= keyAfter.Quat;
00558 qnext.makeClosest(key.Quat);
00559 qp = CQuat::lnDif(key.Quat, qnext);
00560 }
00561 }
00562
00563 <span class="comment">// not loop mgt.</span>
00564 <span class="keywordflow">if</span> (firstKey && !isLoop)
00565 qm = qp;
00566 <span class="keywordflow">if</span> (endKey && !isLoop)
00567 qp = qm;
00568
00569
00570 <span class="comment">// compute tangents factors.</span>
00571 <span class="keywordtype">float</span> ksm, ksp, kdm, kdp;
00572 <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);
00573
00574
00575 <span class="comment">// A/B.</span>
00576 CQuat qa, qb;
00577 qb= (qm * (1.0f-ksm) + qp * (-ksp) ) * 0.5f;
00578 qa= (qm * kdm + qp * (kdp-1.0f) ) * 0.5f;
00579 qa = qa.exp();
00580 qb = qb.exp();
00581
00582 key.A = key.Quat * qa;
00583 key.B = key.Quat * qb;
00584 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d4" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::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>
</tr>
</table>
</td>
</tr>
</table>
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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">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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</table>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4z1015_1" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::evalKey" ></a><p>
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<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyTCBQuat, <a class="el" href="a02195.html">NLMISC::CAngleAxis</a> >::evalKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CKeyTCBQuat * </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 CKeyTCBQuat * </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, virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
evalKey (runtime).
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00401">401</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>, and <a class="el" href="a06566.html#l00103">CTCBTools< CKeyT, T, TMapTimeCKey >::ease()</a>.
<p>
<div class="fragment"><pre>00404 {
00405 <span class="keywordflow">if</span>(previous && next)
00406 {
00407 <span class="comment">// lerp from previous to cur.</span>
00408 date-= datePrevious;
00409 date*= previous->OODeltaTime;
00410 <a class="code" href="a05378.html#a374">NLMISC::clamp</a>(date, 0,1);
00411
00412 <span class="comment">// ease.</span>
00413 date = <a class="code" href="a03471.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4d4">ease</a>(previous, date);
00414
00415 <span class="comment">// quad slerp.</span>
00416 <a class="code" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0">_Value</a>.Value= CQuat::squadrev(next->LocalAngleAxis, previous->Quat, previous->A, next->B, next->Quat, date);
00417 }
00418 <span class="keywordflow">else</span>
00419 {
00420 <span class="keywordflow">if</span> (previous)
00421 <a class="code" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0">_Value</a>.Value= previous->Quat;
00422 <span class="keywordflow">else</span>
00423 <span class="keywordflow">if</span> (next)
00424 <a class="code" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0">_Value</a>.Value= next->Quat;
00425 }
00426
00427 }
</pre></div> </td>
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<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4a0" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::getValue" ></a><p>
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<td class="md" nowrap valign="top"> virtual const IAnimatedValue& <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyTCBQuat, <a class="el" href="a02195.html">NLMISC::CAngleAxis</a> >::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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From ITrack.
<p>
<p>
Definition at line <a class="el" href="a06566.html#l00392">392</a> of file <a class="el" href="a06566.html">track_tcb.h</a>.
<p>
<div class="fragment"><pre>00393 {
00394 <span class="keywordflow">return</span> <a class="code" href="a03583.html#CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0">_Value</a>;
00395 }
</pre></div> </td>
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<hr><h2>Field Documentation</h2>
<a class="anchor" name="CTrackKeyFramerTCB_3_01CKeyTCBQuat_00_01NLMISC_1_1CAngleAxis_01_4r0" doxytag="CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::_Value" ></a><p>
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<td class="md" nowrap valign="top"> CAnimatedValueBlendable<CQuat> <a class="el" href="a03581.html">CTrackKeyFramerTCB</a>< CKeyTCBQuat, <a class="el" href="a02195.html">NLMISC::CAngleAxis</a> >::_Value<code> [private]</code>
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<p>
Definition at line <a class="el" href="a06566.html#l00517">517</a> of file <a class="el" href="a06566.html">track_tcb.h</a>. </td>
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<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 >
</a>1.3.6 </small></address>
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