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// |
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// leaf-node-face.cpp |
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// gepetto-viewer |
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// |
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// Created by Justin Carpentier, Mathieu Geisert in November 2014. |
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// Copyright (c) 2014 LAAS-CNRS. All rights reserved. |
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// |
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#include <gepetto/viewer/leaf-node-face.h> |
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#include <osg/CullFace> |
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#include <osg/Texture2D> |
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#include <osgDB/ReadFile> |
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#include <osgUtil/SmoothingVisitor> |
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#include "log.hh" |
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namespace gepetto { |
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namespace viewer { |
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/* Declaration of private function members */ |
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void LeafNodeFace::init() { |
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/* Set face Geometry */ |
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face_ptr_ = new ::osg::Geometry(); |
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/* Create Geode for adding geometry */ |
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geode_ptr_ = new osg::Geode(); |
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geode_ptr_->addDrawable(face_ptr_); |
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vertices_ = new ::osg::Vec3Array(); |
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face_ptr_->setVertexArray(vertices_); |
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/* Define the face color */ |
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color_ptr_ = new ::osg::Vec4Array(); |
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color_ptr_->push_back(osgVector4(1., 1., 1., 1.)); |
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face_ptr_->setColorArray(color_ptr_.get()); |
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face_ptr_->setColorBinding(::osg::Geometry::BIND_OVERALL); |
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/* Allow transparency */ |
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geode_ptr_->getOrCreateStateSet()->setMode(GL_BLEND, |
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::osg::StateAttribute::ON); |
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/* Add geode to the queue */ |
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this->asQueue()->addChild(geode_ptr_); |
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} |
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LeafNodeFace::LeafNodeFace(const std::string& name, const osgVector3& point1, |
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const osgVector3& point2, const osgVector3& point3) |
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: Node(name) { |
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init(); |
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addVertex(point1); |
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addVertex(point2); |
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addVertex(point3); |
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} |
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LeafNodeFace::LeafNodeFace(const std::string& name, const osgVector3& point1, |
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const osgVector3& point2, const osgVector3& point3, |
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const osgVector4& color) |
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: Node(name) { |
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init(); |
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addVertex(point1); |
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addVertex(point2); |
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addVertex(point3); |
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setColor(color); |
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} |
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LeafNodeFace::LeafNodeFace(const std::string& name, const osgVector3& point1, |
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const osgVector3& point2, const osgVector3& point3, |
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const osgVector3& point4) |
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: Node(name) { |
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init(); |
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addVertex(point1); |
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addVertex(point2); |
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addVertex(point3); |
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addVertex(point4); |
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} |
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LeafNodeFace::LeafNodeFace(const std::string& name, const osgVector3& point1, |
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const osgVector3& point2, const osgVector3& point3, |
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const osgVector3& point4, const osgVector4& color) |
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: Node(name) { |
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init(); |
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addVertex(point1); |
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addVertex(point2); |
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addVertex(point3); |
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addVertex(point4); |
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setColor(color); |
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} |
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LeafNodeFace::LeafNodeFace(const LeafNodeFace& other) : Node(other.getID()) { |
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init(); |
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for (::osg::Vec3Array::const_iterator i = other.vertices_->begin(); |
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i != other.vertices_->end(); i++) { |
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addVertex(*i); |
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} |
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} |
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void LeafNodeFace::initWeakPtr(LeafNodeFaceWeakPtr other_weak_ptr) { |
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weak_ptr_ = other_weak_ptr; |
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} |
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/* End of declaration of private function members */ |
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/* Declaration of protected function members */ |
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LeafNodeFacePtr_t LeafNodeFace::create(const std::string& name, |
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const osgVector3& point1, |
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const osgVector3& point2, |
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const osgVector3& point3) { |
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LeafNodeFacePtr_t shared_ptr(new LeafNodeFace(name, point1, point2, point3)); |
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// Add reference to itself |
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shared_ptr->initWeakPtr(shared_ptr); |
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return shared_ptr; |
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} |
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LeafNodeFacePtr_t LeafNodeFace::create(const std::string& name, |
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const osgVector3& point1, |
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const osgVector3& point2, |
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const osgVector3& point3, |
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const osgVector4& color) { |
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LeafNodeFacePtr_t shared_ptr( |
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new LeafNodeFace(name, point1, point2, point3, color)); |
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// Add reference to itself |
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shared_ptr->initWeakPtr(shared_ptr); |
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return shared_ptr; |
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} |
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LeafNodeFacePtr_t LeafNodeFace::create(const std::string& name, |
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const osgVector3& point1, |
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const osgVector3& point2, |
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const osgVector3& point3, |
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const osgVector3& point4) { |
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LeafNodeFacePtr_t shared_ptr( |
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new LeafNodeFace(name, point1, point2, point3, point4)); |
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// Add reference to itself |
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shared_ptr->initWeakPtr(shared_ptr); |
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return shared_ptr; |
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} |
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LeafNodeFacePtr_t LeafNodeFace::create(const std::string& name, |
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const osgVector3& point1, |
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const osgVector3& point2, |
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const osgVector3& point3, |
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const osgVector3& point4, |
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const osgVector4& color) { |
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LeafNodeFacePtr_t shared_ptr( |
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new LeafNodeFace(name, point1, point2, point3, point4, color)); |
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// Add reference to itself |
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shared_ptr->initWeakPtr(shared_ptr); |
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return shared_ptr; |
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} |
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LeafNodeFacePtr_t LeafNodeFace::createCopy(LeafNodeFacePtr_t other) { |
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LeafNodeFacePtr_t shared_ptr(new LeafNodeFace(*other)); |
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// Add reference to itself |
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shared_ptr->initWeakPtr(shared_ptr); |
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return shared_ptr; |
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} |
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/* End of declaration of protected function members */ |
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/* Declaration of public function members */ |
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LeafNodeFacePtr_t LeafNodeFace::clone(void) const { |
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return LeafNodeFace::createCopy(weak_ptr_.lock()); |
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} |
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LeafNodeFacePtr_t LeafNodeFace::self(void) const { return weak_ptr_.lock(); } |
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void LeafNodeFace::addVertex(const osgVector3& vertex) { |
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vertices_->push_back(vertex); |
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face_ptr_->addPrimitiveSet( |
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new ::osg::DrawArrays(GL_POLYGON, 0, (GLsizei)vertices_->size())); |
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// osgUtil::Tessellator::retessellatePolygons( *(face_ptr_.get()) ); |
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osgUtil::SmoothingVisitor::smooth(*(face_ptr_.get())); |
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setDirty(); |
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} |
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void LeafNodeFace::setColor(const osgVector4& color) { |
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color_ptr_->at(0) = color; |
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setTransparentRenderingBin(color[3] < |
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Node::TransparencyRenderingBinThreshold); |
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setDirty(); |
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} |
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void LeafNodeFace::setTexture(const std::string& image_path) { |
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osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D; |
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// Do not resize image to closest power of two values for width and height |
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texture->setResizeNonPowerOfTwoHint(false); |
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// Disable interpolation between pixels. |
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texture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::NEAREST); |
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osg::ref_ptr<osg::Image> image = osgDB::readImageFile(image_path); |
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if (!image) { |
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log() << "couldn't find texture " << image_path << ", quiting." |
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<< std::endl; |
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return; |
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} |
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texture->setImage(image); |
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osg::Vec2Array* texcoords = new osg::Vec2Array(4); |
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(*texcoords)[0].set(0.00f, 0.0f); // texture coord for vertex 0 |
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(*texcoords)[1].set(1.00f, 0.0f); // texture coord for vertex 1 |
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(*texcoords)[2].set(1.00f, 1.0f); // texture coord for vertex 2 |
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(*texcoords)[3].set(0.00f, 1.0f); // texture coord for vertex 3 |
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face_ptr_->setTexCoordArray(0, texcoords); |
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geode_ptr_->getStateSet()->setTextureAttributeAndModes( |
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0, texture, osg::StateAttribute::ON); |
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setDirty(); |
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} |
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LeafNodeFace::~LeafNodeFace() { |
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/* Proper deletion of all tree scene */ |
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geode_ptr_->removeDrawable(face_ptr_); |
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face_ptr_ = NULL; |
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geode_ptr_ = NULL; |
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weak_ptr_.reset(); |
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} |
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/* End of declaration of public function members */ |
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} /* namespace viewer */ |
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} /* namespace gepetto */ |
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