void drawVector(RenderingContext & rc, const Geometry::Vec3 & from, const Geometry::Vec3 & to) { static Util::Reference<Mesh> mesh; if (mesh.isNull()) { VertexDescription vertexDescription; vertexDescription.appendPosition3D(); mesh = new Mesh(vertexDescription, 2, 2); mesh->setDrawMode(Mesh::DRAW_LINES); MeshIndexData & id = mesh->openIndexData(); uint32_t * indices = id.data(); indices[0] = 0; indices[1] = 1; id.updateIndexRange(); id.markAsChanged(); mesh->setDataStrategy(SimpleMeshDataStrategy::getPureLocalStrategy()); } MeshVertexData & vd = mesh->openVertexData(); float * vertices = reinterpret_cast<float *> (vd.data()); *vertices++ = from.getX(); // From *vertices++ = from.getY(); *vertices++ = from.getZ(); *vertices++ = to.getX(); // To *vertices++ = to.getY(); *vertices++ = to.getZ(); vd.updateBoundingBox(); vd.markAsChanged(); rc.displayMesh(mesh.get()); }
static void describeGeometryNode(ExporterContext & /*ctxt*/,DescriptionMap & desc, Node * node) { desc.setString(Consts::ATTR_NODE_TYPE, Consts::NODE_TYPE_GEOMETRY); std::unique_ptr<DescriptionMap> dataDesc(new DescriptionMap); GeometryNode * gn = dynamic_cast<GeometryNode*>(node); // annotate with bounding box const Geometry::Box bb = gn->getBB(); const Geometry::Vec3 center = bb.getCenter(); std::stringstream s; s << center.getX() << " " << center.getY() << " " << center.getZ() << " " << bb.getExtentX() << " " << bb.getExtentY() << " " << bb.getExtentZ(); dataDesc->setString(Consts::ATTR_MESH_BB, s.str()); Rendering::Mesh * m = gn->getMesh(); if(m!=nullptr) { // mesh present? // no filename -> store data in .minsg if(m->getFileName().empty()) { std::ostringstream meshStream; if(Rendering::Serialization::saveMesh(gn->getMesh(), "mmf", meshStream)) { dataDesc->setString(Consts::ATTR_DATA_TYPE,"mesh"); dataDesc->setString(Consts::ATTR_DATA_ENCODING,"base64"); const std::string streamString = meshStream.str(); const std::string meshString = Util::encodeBase64(std::vector<uint8_t>(streamString.begin(), streamString.end())); dataDesc->setString(Consts::DATA_BLOCK,meshString); } } else { // filename given? Util::FileName meshFilename(m->getFileName()); // // make path to mesh relative to scene (if mesh lies below the scene) // Util::FileUtils::makeRelativeIfPossible(ctxt.sceneFile, meshFilename); dataDesc->setString(Consts::ATTR_DATA_TYPE,"mesh"); dataDesc->setString(Consts::ATTR_MESH_FILENAME,meshFilename.toShortString()); } ExporterTools::addDataEntry(desc, std::move(dataDesc)); } }
void drawQuad(RenderingContext & rc, const Geometry::Vec3 & lowerLeft, const Geometry::Vec3 & lowerRight, const Geometry::Vec3 & upperRight, const Geometry::Vec3 & upperLeft) { static Util::Reference<Mesh> mesh; if (mesh.isNull()) { VertexDescription vertexDescription; vertexDescription.appendPosition3D(); vertexDescription.appendNormalFloat(); vertexDescription.appendTexCoord(); mesh = new Mesh(vertexDescription, 4, 6); MeshIndexData & id = mesh->openIndexData(); uint32_t * indices = id.data(); indices[0] = 0; indices[1] = 1; indices[2] = 2; indices[3] = 0; indices[4] = 2; indices[5] = 3; id.updateIndexRange(); id.markAsChanged(); } const Geometry::Vec3 edgeA = lowerRight - lowerLeft; const Geometry::Vec3 edgeB = upperLeft - lowerLeft; Geometry::Vec3 normal = edgeA.cross(edgeB); normal.normalize(); MeshVertexData & vd = mesh->openVertexData(); float * vertices = reinterpret_cast<float *> (vd.data()); // Lower left *vertices++ = lowerLeft.getX(); *vertices++ = lowerLeft.getY(); *vertices++ = lowerLeft.getZ(); *vertices++ = normal.getX(); *vertices++ = normal.getY(); *vertices++ = normal.getZ(); *vertices++ = 0.0f; *vertices++ = 0.0f; // Lower right *vertices++ = lowerRight.getX(); *vertices++ = lowerRight.getY(); *vertices++ = lowerRight.getZ(); *vertices++ = normal.getX(); *vertices++ = normal.getY(); *vertices++ = normal.getZ(); *vertices++ = 1.0f; *vertices++ = 0.0f; // Upper right *vertices++ = upperRight.getX(); *vertices++ = upperRight.getY(); *vertices++ = upperRight.getZ(); *vertices++ = normal.getX(); *vertices++ = normal.getY(); *vertices++ = normal.getZ(); *vertices++ = 1.0f; *vertices++ = 1.0f; // Upper left *vertices++ = upperLeft.getX(); *vertices++ = upperLeft.getY(); *vertices++ = upperLeft.getZ(); *vertices++ = normal.getX(); *vertices++ = normal.getY(); *vertices++ = normal.getZ(); *vertices++ = 0.0f; *vertices++ = 1.0f; vd.updateBoundingBox(); vd.markAsChanged(); rc.displayMesh(mesh.get()); }