Exemplo n.º 1
0
void StaticMesh::init( MeshBufferPtr mesh )
{
	size_t n_colors;
	size_t n_normals;
	m_lineWidth = 2.0;
	if(mesh)
	{
		m_faceNormals = 0;

		m_normals 			= mesh->getVertexNormalArray(n_normals);
		m_colors        	= mesh->getVertexColorArray(n_colors);
		m_vertices      	= mesh->getVertexArray(m_numVertices);
		m_faces       		= mesh->getFaceArray(m_numFaces);
		m_blackColors		= new unsigned char[ 3 * m_numVertices ];

		for ( size_t i = 0; i < 3 * m_numVertices; i++ ) 
		{
			m_blackColors[i] = 0;
		}

		m_finalized			= true;
		m_visible			= true;
		m_active			= true;

		m_renderMode = 0;
		m_renderMode    |= RenderSurfaces;
		m_renderMode    |= RenderTriangles;

		m_boundingBox = new BoundingBox<Vertex<float> >;

		if(!m_faceNormals)
		{
			interpolateNormals();
		} else
		{
			// cout << "Face normals: " << m_faceNormals << endl;
		}

		if(!m_colors)
		{
			setDefaultColors();
		}

		if(n_colors == 0)
		{
			m_colors = ucharArr( new unsigned char[3 * m_numVertices] );
			for( int i = 0; i < m_numVertices; ++i )
			{
				m_colors[3 * i] = 0;
				m_colors[3 * i + 1] = 255;
				m_colors[3 * i + 2] = 0;
			}
		}

	}
}
Exemplo n.º 2
0
void STLIO::save( ModelPtr model, string filename )
{

	MeshBufferPtr mesh = model->m_mesh;
	size_t n_vert;
	size_t n_faces;
	floatArr vertices = mesh->getVertexArray(n_vert);
	uintArr indices = mesh->getFaceArray(n_faces);

	std::string header_info = "Created by LVR";
	char head[80];
	std::strncpy(head,header_info.c_str(),sizeof(head)-1);
	char attribute[2] = "0";

	std::ofstream myfile(filename.c_str());

	myfile.write(head,sizeof(head));
	myfile.write((char*)&n_faces,4);

	if(myfile.good())
	{
		for(int i = 0; i < n_faces; i++)
		{
			int a = (int)indices[3 * i];
			int b = (int)indices[3 * i + 1];
			int c = (int)indices[3 * i + 2];

			Vertexf v1;
			Vertexf v2;
			Vertexf v3;

			v1.x = vertices[3 * a];
			v1.y = vertices[3 * a + 1];
			v1.z = vertices[3 * a + 2];

			v2.x = vertices[3 * b];
			v2.y = vertices[3 * b + 1];
			v2.z = vertices[3 * b + 2];

			v3.x = vertices[3 * c];
			v3.y = vertices[3 * c + 1];
			v3.z = vertices[3 * c + 2];

			Normalf normal( (v1 - v2).cross(v1 - v3));

			myfile.write( (char*)&normal.x, 4);
			myfile.write( (char*)&normal.y, 4);
			myfile.write( (char*)&normal.z, 4);

			myfile.write( (char*)&v1.x, 4);
			myfile.write( (char*)&v1.y, 4);
			myfile.write( (char*)&v1.z, 4);

			myfile.write( (char*)&v2.x, 4);
			myfile.write( (char*)&v2.y, 4);
			myfile.write( (char*)&v2.z, 4);

			myfile.write( (char*)&v3.x, 4);
			myfile.write( (char*)&v3.y, 4);
			myfile.write( (char*)&v3.z, 4);

			uint16_t u = 0;
			myfile.write( (char*)attribute, 2 );
		}
	}
	else
	{
		cout << timestamp << "Could not open file " << filename << " for writing." << endl;
 	}
}