#include <track_tcb.h>
Inheritance diagram for CTrackKeyFramerTCB< CKeyT, T >:
Nevrax France
Definition at line 202 of file track_tcb.h.
Public Member Functions | |
virtual const IAnimatedValue & | getValue () const |
From ITrack. | |
Protected Types | |
typedef CKeyT::TValueType | TKeyValueType |
Protected Member Functions | |
From ITrackKeyFramer | |
virtual void | compile () |
compile (precalc). | |
virtual void | evalKey (const CKeyT *previous, const CKeyT *next, TAnimationTime datePrevious, TAnimationTime dateNext, TAnimationTime date) |
evalKey (runtime). | |
Private Types | |
typedef TMapTimeCKey::iterator | TMapTimeCKeyIterator |
Private Member Functions | |
void | compileTCBEase (TMapTimeCKey &mapKey, bool loopMode) |
compute TCB ease information. | |
void | computeFirstKey (CKeyT &keyFirst, CKeyT &keyAfter) |
void | computeHermiteBasis (float d, float hb[4]) |
void | computeLastKey (CKeyT &keyLast, CKeyT &keyBefore) |
void | computeTCBFactors (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) |
void | computeTCBKey (CKeyT &keyBefore, CKeyT &key, CKeyT &keyAfter, float timeBefore, float time, float timeAfter, float rangeDelta, bool firstKey, bool endKey, bool isLoop) |
void | computeTCBKeyLinear (CKeyT &key0, CKeyT &key1) |
float | ease (const CKeyT *key, float d) |
Private Attributes | |
CAnimatedValueBlendable< T > | _Value |
|
Definition at line 215 of file track_tcb.h. |
|
Definition at line 51 of file track_tcb.h. |
|
compile (precalc).
Definition at line 253 of file track_tcb.h. References CTCBTools< CKeyT, T, TMapTimeCKey >::compileTCBEase(), CTrackKeyFramerTCB< CKeyT, T >::computeFirstKey(), CTrackKeyFramerTCB< CKeyT, T >::computeLastKey(), CTrackKeyFramerTCB< CKeyT, T >::computeTCBKey(), CTrackKeyFramerTCB< CKeyT, T >::computeTCBKeyLinear(), and sint.
00254 { 00255 ITrackKeyFramer<CKeyT>::compile(); 00256 00257 // Ease Precompute. 00258 compileTCBEase(_MapKey, getLoopMode()); 00259 00260 00261 // Tangents Precompute. 00262 sint nKeys= _MapKey.size(); 00263 if(nKeys<=1) 00264 return; 00265 00266 typename std::map<TAnimationTime, CKeyT>::iterator it= _MapKey.begin(); // first key. 00267 typename std::map<TAnimationTime, CKeyT>::iterator itNext= it; itNext++; // second key. 00268 typename std::map<TAnimationTime, CKeyT>::iterator itPrev= _MapKey.end(); itPrev--; // last key. 00269 00270 if(nKeys==2 && !getLoopMode()) 00271 { 00272 computeTCBKeyLinear( it->second, itNext->second ); 00273 } 00274 else 00275 { 00276 // rangeDelta is the length of effective Range - length of LastKey-FirstKey. 00277 // NB: if RangeLock, rangeDelta==0. 00278 float rangeDelta; 00279 // NB: _RangeDelta has just been compiled in ITrackKeyFramer<CKeyT>::compile(). 00280 rangeDelta= getCompiledRangeDelta(); 00281 00282 // Compute all middle keys. 00283 for(;it!=_MapKey.end();) 00284 { 00285 // Do the first key and the last key only in LoopMode. 00286 // NB: we are the last if itNext==_MapKey.begin(). 00287 if(getLoopMode() || (it!=_MapKey.begin() && itNext!=_MapKey.begin()) ) 00288 { 00289 computeTCBKey(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 // Next key!! 00295 itPrev= it; 00296 it++; 00297 itNext++; 00298 // loop. 00299 if(itNext==_MapKey.end()) 00300 itNext= _MapKey.begin(); 00301 } 00302 00303 // In not loop mode, compute first and last key, AFTER middle keys computed. 00304 if(!getLoopMode()) 00305 { 00306 typename std::map<TAnimationTime, CKeyT>::iterator it0= _MapKey.begin(); // first key. 00307 typename std::map<TAnimationTime, CKeyT>::iterator it1= it0; it1++; // second key. 00308 typename std::map<TAnimationTime, CKeyT>::iterator itLast= _MapKey.end();itLast--; // last key. 00309 typename std::map<TAnimationTime, CKeyT>::iterator itLastPrev= itLast;itLastPrev--; // prev of last key. 00310 00311 computeFirstKey(it0->second, it1->second); 00312 computeLastKey(itLast->second, itLastPrev->second); 00313 } 00314 } 00315 } |
|
compute TCB ease information.
Definition at line 56 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compile(), and CTrackKeyFramerTCB< CKeyT, T >::compile().
00057 { 00058 TMapTimeCKeyIterator it= mapKey.begin(); 00059 for(;it!=mapKey.end();it++) 00060 { 00061 TMapTimeCKeyIterator next= it; 00062 next++; 00063 00064 // loop mgt. must compute ease from last to first (usefull if _RangeLock is false). 00065 if(next==mapKey.end() && loopMode && mapKey.size()>1) 00066 next= mapKey.begin(); 00067 00068 // Ease Precompute. 00069 //================= 00070 CKeyT &key= it->second; 00071 if(next!=mapKey.end()) 00072 { 00073 float e0= it->second.EaseFrom; 00074 float e1= next->second.EaseTo; 00075 float s = e0 + e1; 00076 00077 // "normalize". 00078 if (s > 1.0f) 00079 { 00080 e0 = e0/s; 00081 e1 = e1/s; 00082 } 00083 00084 // precalc ease factors. 00085 key.Ease0= e0; 00086 key.Ease1= e1; 00087 key.EaseK= 1/(2.0f - e0 - e1); 00088 if(e0) 00089 key.EaseKOverEase0= key.EaseK / e0; 00090 if(e1) 00091 key.EaseKOverEase1= key.EaseK / e1; 00092 } 00093 else 00094 { 00095 // force ease() to just return d (see ease()). 00096 key.EaseK = 0.5f; 00097 } 00098 00099 } 00100 } |
|
Definition at line 359 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyT, T >::compile().
00360 {
00361 float tm;
00362 tm = 0.5f * (1.0f - keyFirst.Tension);
00363 keyFirst.TanFrom= tm * ((keyAfter.Value - keyFirst.Value) * 3.0f - keyAfter.TanTo);
00364 }
|
|
Definition at line 121 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyT, T >::evalKey().
00122 {
00123 float 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 }
|
|
Definition at line 367 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyT, T >::compile().
00368 {
00369 float tm;
00370 tm = 0.5f * (1.0f - keyLast.Tension);
00371 keyLast.TanTo= tm * ((keyLast.Value - keyBefore.Value) * 3.0f - keyBefore.TanFrom);
00372 }
|
|
Definition at line 136 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::computeTCBKey(), and CTrackKeyFramerTCB< CKeyT, T >::computeTCBKey().
00138 { 00139 float fp,fn; 00140 00141 if(isLoop || (!firstKey && !endKey)) 00142 { 00143 float dtm; 00144 // Compute Time deltas. 00145 if (firstKey) 00146 { 00147 dtm = 0.5f * (rangeDelta + timeAfter - time); 00148 fp = rangeDelta / dtm; 00149 fn = (timeAfter - time) / dtm; 00150 } 00151 else if (endKey) 00152 { 00153 dtm = 0.5f * (rangeDelta + time - timeBefore); 00154 fp = rangeDelta / dtm; 00155 fn = (time - timeBefore) / dtm; 00156 } 00157 else 00158 { 00159 dtm = 0.5f * (timeAfter - timeBefore); 00160 fp = (time - timeBefore) / dtm; 00161 fn = (timeAfter - time) / dtm; 00162 } 00163 float c= (float)fabs( key.Continuity ); 00164 fp = fp + c - c * fp; 00165 fn = fn + c - c * fn; 00166 } 00167 else 00168 { 00169 // firstkey and lastkey of not loop track. 00170 fp = 1.0f; 00171 fn = 1.0f; 00172 } 00173 00174 // Compute tangents factors. 00175 float 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 // tgts factors. 00185 ksm = tmcm*bp*fp; ksp = tmcp*bm*fp; 00186 kdm = tmcp*bp*fn; kdp = tmcm*bm*fn; 00187 00188 } |
|
Definition at line 326 of file track_tcb.h. References CTCBTools< CKeyT, T, TMapTimeCKey >::computeTCBFactors(). Referenced by CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::compile(), and CTrackKeyFramerTCB< CKeyT, T >::compile().
00328 { 00329 float ksm,ksp,kdm,kdp; 00330 00331 // compute tangents factors. 00332 computeTCBFactors(key, timeBefore, time, timeAfter, rangeDelta, firstKey, endKey, isLoop, ksm,ksp,kdm,kdp); 00333 00334 // Delta. 00335 TKeyValueType delm, delp; 00336 delm = key.Value - keyBefore.Value; 00337 delp = keyAfter.Value - key.Value; 00338 00339 // Tangents. 00340 key.TanTo = delm*ksm + delp*ksp; 00341 key.TanFrom= delm*kdm + delp*kdp; 00342 00343 } |
|
Definition at line 346 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyT, T >::compile().
00347 { 00348 float f0, f1; 00349 TKeyValueType 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 } |
|
Definition at line 103 of file track_tcb.h. Referenced by CTrackKeyFramerTCB< CKeyTCBQuat, NLMISC::CAngleAxis >::evalKey(), and CTrackKeyFramerTCB< CKeyT, T >::evalKey().
00104 { 00105 if (d==0.0f || d==1.0f) return d; 00106 // k==0.5f <=> e0+e1 == 0. 00107 if (key->EaseK == 0.5f) return d; 00108 00109 if (d < key->Ease0) 00110 return key->EaseKOverEase0 * d*d; 00111 else if (d < 1.0f - key->Ease1) 00112 return key->EaseK * (2.0f*d - key->Ease0); 00113 else 00114 { 00115 d = 1.0f - d; 00116 return 1.0f - key->EaseKOverEase1 * d*d; 00117 } 00118 } |
|
evalKey (runtime).
Definition at line 223 of file track_tcb.h. References NLMISC::clamp(), CTCBTools< CKeyT, T, TMapTimeCKey >::computeHermiteBasis(), and CTCBTools< CKeyT, T, TMapTimeCKey >::ease().
00226 { 00227 if(previous && next) 00228 { 00229 // lerp from previous to cur. 00230 date-= datePrevious; 00231 date*= previous->OODeltaTime; 00232 NLMISC::clamp(date, 0,1); 00233 00234 date = ease(previous, date); 00235 00236 float hb[4]; 00237 computeHermiteBasis(date, hb); 00238 copyToValue(_Value.Value, 00239 previous->Value*hb[0] + next->Value*hb[1] + 00240 previous->TanFrom*hb[2] + next->TanTo*hb[3]); 00241 } 00242 else 00243 { 00244 if (previous) 00245 copyToValue(_Value.Value, previous->Value); 00246 else 00247 if (next) 00248 copyToValue(_Value.Value, next->Value); 00249 } 00250 } |
|
From ITrack.
Definition at line 207 of file track_tcb.h.
00208 { 00209 return _Value; 00210 } |
|
Definition at line 322 of file track_tcb.h. |