virtual void drawImplementation(osg::State& state,const osg::Drawable* drawable) const { static osg::TexMat *tm= new osg::TexMat(); osg::Matrix mvm(state.getModelViewMatrix()); osg::Quat q; q.set(mvm); // state.getorcre tm->setMatrix(osg::Matrix::rotate( q.inverse() )); state.applyTextureAttribute(1,tm); // drawable->getOrCreateStateSet()-> drawable->drawImplementation(state); }
virtual void apply(osg::State& state) const { osg::Matrix modelViewMatrix = state.getModelViewMatrix(); state.applyModelViewMatrix(state.getInitialViewMatrix()); for (unsigned int i=0; i<mLights.size(); ++i) { mLights[i]->setLightNum(i+mIndex); mLights[i]->apply(state); } state.applyModelViewMatrix(modelViewMatrix); }
void Text3D::renderPerGlyph(osg::State & state) const { osg::Matrix original_modelview = state.getModelViewMatrix(); // ** for each line, do ... TextRenderInfo::const_iterator itLine, endLine = _textRenderInfo.end(); for (itLine = _textRenderInfo.begin(); itLine!=endLine; ++itLine) { // ** for each glyph in the line, do ... LineRenderInfo::const_iterator it, end = itLine->end(); for (it = itLine->begin(); it!=end; ++it) { osg::ref_ptr<osg::RefMatrix> matrix = new osg::RefMatrix(original_modelview); matrix->preMultTranslate(osg::Vec3d(it->_position.x(), it->_position.y(), it->_position.z())); state.applyModelViewMatrix(matrix.get()); // ** apply the vertex array state.setVertexPointer(it->_glyph->getVertexArray()); // ** render the front face of the glyph state.Normal(0.0f,0.0f,1.0f); osg::Geometry::PrimitiveSetList & pslFront = it->_glyph->getFrontPrimitiveSetList(); for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslFront.begin(), end = pslFront.end(); itr!=end; ++itr) { (*itr)->draw(state, false); } // ** render the wall face of the glyph state.setNormalPointer(it->_glyph->getNormalArray()); osg::Geometry::PrimitiveSetList & pslWall = it->_glyph->getWallPrimitiveSetList(); for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslWall.begin(), end=pslWall.end(); itr!=end; ++itr) { (*itr)->draw(state, false); } state.disableNormalPointer(); // ** render the back face of the glyph state.Normal(0.0f,0.0f,-1.0f); osg::Geometry::PrimitiveSetList & pslBack = it->_glyph->getBackPrimitiveSetList(); for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslBack.begin(), end=pslBack.end(); itr!=end; ++itr) { (*itr)->draw(state, false); } } } }