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00001 
00007 /* Copyright, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_PS_FACE_H
00027 #define NL_PS_FACE_H
00028 
00029 #include "3d/ps_quad.h"
00030 
00031 namespace NL3D 
00032 {
00033 
00036 
00060 class CPSFace       : public CPSQuad                                    
00061                                         , public CPSRotated3DPlaneParticle
00062                                         , public CPSHintParticleRotateTheSame
00063 {
00064 public:
00068         CPSFace(CSmartPtr<ITexture> tex = NULL);
00069 
00070         void serial(NLMISC::IStream &f) throw(NLMISC::EStream);
00071 
00072         NLMISC_DECLARE_CLASS(CPSFace);
00082         void hintRotateTheSame(uint32 nbConfiguration
00083                                                         , float minAngularVelocity = NLMISC::Pi
00084                                                         , float maxAngularVelocity = NLMISC::Pi
00085                                                   );
00086 
00091         void disableHintRotateTheSame(void)
00092         {
00093                 hintRotateTheSame(0);
00094         }
00095 
00101         uint32 checkHintRotateTheSame(float &min, float &max) const
00102         {
00103                 min = _MinAngularVelocity;
00104                 max = _MaxAngularVelocity;
00105                 return _PrecompBasis.size(); 
00106         }
00107 
00108 
00109 protected:
00110 
00111         friend class CPSFaceHelper; 
00112 
00113         virtual void    step(TPSProcessPass pass, TAnimationTime ellapsedTime, TAnimationTime realEllapsedTime);        
00114         virtual void    newElement(CPSLocated *emitterLocated, uint32 emitterIndex);    
00115         virtual void    deleteElement(uint32 index);
00116         virtual void    resize(uint32 size);
00118         void fillIndexesInPrecompBasis(void);
00119         virtual CPSLocated *getPlaneBasisOwner(void) { return _Owner; }
00120                 
00121         // we must store them for serialization
00122         float                   _MinAngularVelocity;
00123         float                   _MaxAngularVelocity;
00124         struct CPlaneBasisPair
00125         {               
00126                 CPlaneBasis Basis;
00127                 CVector Axis; // an axis for rotation
00128                 float AngularVelocity; // an angular velocity
00129         };
00130 
00132         std::vector< CPlaneBasisPair > _PrecompBasis;
00133 
00135         std::vector<uint32> _IndexInPrecompBasis;       
00136 };
00137 
00138 
00139 
00140 } // NL3D
00141 
00142 
00143 #endif // NL_PS_FACE_H
00144 
00145 /* End of ps_face.h */