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Documentation                       Search   ps_ribbon_base.h Go to the documentation of this file. /* Copyright, 2001 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #ifndef NL_PS_RIBBON_BASE_H #define NL_PS_RIBBON_BASE_H #include "3d/ps_particle_basic.h" namespace NL3D { class CPSRibbonBase : public CPSParticle, public CPSTailParticle { public: enum TRibbonMode { VariableSize = 0, FixedSize, RibbonModeLast }; enum TInterpolationMode { Linear = 0, Hermitte, InterpModeLast }; CPSRibbonBase(); virtual void serial(NLMISC::IStream &f) throw(NLMISC::EStream); void setRibbonMode(TRibbonMode mode); TRibbonMode getRibbonMode() const { return _RibbonMode; } void setInterpolationMode(TInterpolationMode mode); TInterpolationMode getInterpolationMode() const { return _InterpolationMode; } void setTailNbSeg(uint32 nbSegs); uint32 getTailNbSeg(void) const { return _NbSegs; } void setSegDuration(TAnimationTime ellapsedTime); TAnimationTime getSegDuration(void) const { return _SegDuration; } void setRibbonLength(float length); float getRibbonLength() const { return _RibbonLength; } void setLODDegradation(float percent) { nlassert(percent >= 0 && percent <= 1) _LODDegradation = percent; } float getLODDegradation() const { return _LODDegradation; } protected: uint32 _NbSegs; TAnimationTime _SegDuration; bool _Parametric; // if this is set to true, then the owner has activated parametric motion. virtual void newElement(CPSLocated *emitterLocated, uint32 emitterIndex) ; virtual void deleteElement(uint32 index); virtual void resize(uint32 size); virtual void motionTypeChanged(bool parametric); void computeRibbon( uint index, NLMISC::CVector *dest, uint stride = sizeof(NLMISC::CVector) ); void updateGlobals(); void updateLOD(); uint32 _UsedNbSegs; TAnimationTime _UsedSegDuration; float _UsedSegLength; private: typedef std::vector<NLMISC::CVector> TPosVect; typedef std::vector<float> TFloatVect; // all positions for each ribbons packed in a single vector TPosVect _Ribbons; TFloatVect _SamplingDate; uint _RibbonIndex; // indicate which is the first index for the ribbons head TAnimationTime _LastUpdateDate; TRibbonMode _RibbonMode; TInterpolationMode _InterpolationMode; float _RibbonLength; // used if _RibbonMode == FixedSize float _SegLength; float _LODDegradation; protected: // should be call by derivers for backward compatibility only void initDateVect(); void resetFromOwner(); private: void resetSingleRibbon(uint index, const NLMISC::CVector &pos); void dupRibbon(uint dest, uint src); void computeLinearRibbon( uint index, NLMISC::CVector *dest, uint stride = sizeof(NLMISC::CVector) ); void computeLinearCstSizeRibbon( uint index, NLMISC::CVector *dest, uint stride = sizeof(NLMISC::CVector) ); void computeHermitteRibbon( uint index, NLMISC::CVector *dest, uint stride = sizeof(NLMISC::CVector) ); void computeHermitteCstSizeRibbon( uint index, NLMISC::CVector *dest, uint stride = sizeof(NLMISC::CVector) ); }; } // NL3D #endif // NL_PS_RIBBON_BASE_H /* End of ps_ribbon_base.h */