drawObjects< posTrait, colTrait, sizeTrait, normalTrait, geoTrait > Struct Template Reference
Inheritance diagram for drawObjects< posTrait, colTrait, sizeTrait, normalTrait, geoTrait >:
Public Member Functions | |
| virtual void | draw (Particles *part, DrawActionBase *action, UInt32 length) |
| virtual void | drawIndexed (Particles *part, DrawActionBase *action, Int32 *index, UInt32 length) |
Detailed Description
template<class posTrait, class colTrait, class sizeTrait, class normalTrait, class geoTrait>
struct drawObjects< posTrait, colTrait, sizeTrait, normalTrait, geoTrait >
Definition at line 1964 of file OSGParticles.cpp.
Member Function Documentation
template<class posTrait, class colTrait, class sizeTrait, class normalTrait, class geoTrait>
| virtual void drawObjects< posTrait, colTrait, sizeTrait, normalTrait, geoTrait >::draw | ( | Particles * | part, | |
| DrawActionBase * | action, | |||
| UInt32 | length | |||
| ) | [inline, virtual] |
Implements osg::ParticlesDrawer.
Definition at line 1966 of file OSGParticles.cpp.
References osg::VectorInterface< ValueTypeT, StorageInterfaceT >::cross(), osg::ParticlesBase::getPositions(), osg::ParticlesBase::getSecPositions(), init(), osg::VectorInterface< ValueTypeT, StorageInterfaceT >::normalize(), and p.
01967 { 01968 // some variables for faster access 01969 GeoPositionsPtr pos = part->getPositions(); 01970 01971 // init traits 01972 typename geoTrait::dataType geoData; 01973 geoTrait::init(part, action, geoData); 01974 01975 typename colTrait::dataType colData; 01976 colTrait::init(part, action, colData); 01977 01978 typename sizeTrait::dataType sizeData; 01979 sizeTrait::init(part, action, sizeData); 01980 01981 typename normalTrait::dataType normalData; 01982 normalTrait::init(part, action, normalData); 01983 01984 typename posTrait::dataType posData, secPosData; 01985 posTrait::init(part, action, posData , part->getPositions()); 01986 posTrait::init(part, action, secPosData, part->getSecPositions()); 01987 01988 for(UInt32 i = 0; i < length; ++i) 01989 { 01990 if(geoTrait::particle (geoData, i)) 01991 continue; 01992 01993 if(colTrait::particle (colData, i)) 01994 continue; 01995 01996 if(sizeTrait::particle(sizeData, i)) 01997 continue; 01998 01999 if(normalTrait::particle(normalData, i)) 02000 continue; 02001 02002 if(posTrait::particle (posData, i)) 02003 continue; 02004 02005 if(posTrait::particle (secPosData, i)) 02006 continue; 02007 02008 // calc the coordinate system 02009 02010 Pnt3f &p = posTrait ::position(posData ); 02011 Pnt3f &sp = posTrait ::position(secPosData); 02012 Vec3f &n = normalTrait::normal (normalData); 02013 02014 Vec3f dz(sp - p); 02015 dz.normalize(); 02016 02017 Vec3f dx(n.cross(dz)); 02018 if(dx.isZero()) 02019 { 02020 dx=Vec3f(1,0,0).cross(dz); 02021 if(dx.isZero()) 02022 { 02023 dx=Vec3f(0,1,0).cross(dz); 02024 if(dx.isZero()) 02025 { 02026 dx=Vec3f(0,0,1).cross(dz); 02027 } 02028 else 02029 { 02030 dx.setValues(0,0,0); 02031 } 02032 } 02033 } 02034 dx.normalize(); 02035 02036 Vec3f dy(dx.cross(dz)); 02037 02038 // now draw the geometry; 02039 geoTrait::draw(geoData, p, sp, dx, dy, dz, 02040 sizeTrait::size(sizeData, i)); 02041 } 02042 02043 geoTrait::exit(part, action, geoData); 02044 }
template<class posTrait, class colTrait, class sizeTrait, class normalTrait, class geoTrait>
| virtual void drawObjects< posTrait, colTrait, sizeTrait, normalTrait, geoTrait >::drawIndexed | ( | Particles * | part, | |
| DrawActionBase * | action, | |||
| Int32 * | index, | |||
| UInt32 | length | |||
| ) | [inline, virtual] |
Implements osg::ParticlesDrawer.
Definition at line 2046 of file OSGParticles.cpp.
References osg::VectorInterface< ValueTypeT, StorageInterfaceT >::cross(), osg::ParticlesBase::getPositions(), osg::ParticlesBase::getSecPositions(), init(), osg::VectorInterface< ValueTypeT, StorageInterfaceT >::normalize(), and p.
02048 { 02049 // some variables for faster access 02050 GeoPositionsPtr pos = part->getPositions(); 02051 02052 // init traits 02053 typename geoTrait::dataType geoData; 02054 geoTrait::init(part, action, geoData); 02055 02056 typename colTrait::dataType colData; 02057 colTrait::init(part, action, colData); 02058 02059 typename sizeTrait::dataType sizeData; 02060 sizeTrait::init(part, action, sizeData); 02061 02062 typename normalTrait::dataType normalData; 02063 normalTrait::init(part, action, normalData); 02064 02065 typename posTrait::dataType posData, secPosData; 02066 posTrait::init(part, action, posData , part->getPositions()); 02067 posTrait::init(part, action, secPosData, part->getSecPositions()); 02068 02069 Int32 i; 02070 02071 for(UInt32 ii = 0; ii < length; ++ii) 02072 { 02073 i = index[ii]; 02074 02075 if(i < 0 || i > Int32(pos->getSize())) 02076 continue; 02077 02078 if(geoTrait::particle (geoData, i)) 02079 continue; 02080 02081 if(colTrait::particle (colData, i)) 02082 continue; 02083 02084 if(sizeTrait::particle(sizeData, i)) 02085 continue; 02086 02087 if(normalTrait::particle(normalData, i)) 02088 continue; 02089 02090 if(posTrait::particle (posData, i)) 02091 continue; 02092 02093 if(posTrait::particle (secPosData, i)) 02094 continue; 02095 02096 // calc the coordinate system 02097 02098 Pnt3f &p = posTrait ::position(posData ); 02099 Pnt3f &sp = posTrait ::position(secPosData); 02100 Vec3f &n = normalTrait::normal (normalData); 02101 02102 Vec3f dz(sp - p); 02103 dz.normalize(); 02104 02105 Vec3f dx(n.cross(dz)); 02106 if(dx.isZero()) 02107 { 02108 dx=Vec3f(1,0,0).cross(dz); 02109 if(dx.isZero()) 02110 { 02111 dx=Vec3f(0,1,0).cross(dz); 02112 if(dx.isZero()) 02113 { 02114 dx=Vec3f(0,0,1).cross(dz); 02115 } 02116 else 02117 { 02118 dx.setValues(0,0,0); 02119 } 02120 } 02121 } 02122 dx.normalize(); 02123 02124 Vec3f dy(dx.cross(dz)); 02125 02126 // now draw the geometry; 02127 geoTrait::draw(geoData, p, sp, dx, dy, dz, 02128 sizeTrait::size(sizeData, i)); 02129 } 02130 02131 geoTrait::exit(part, action, geoData); 02132 }
The documentation for this struct was generated from the following file:
