C++ (Cpp) VertexArray::loadTextureCoords Examples

Example #1

File: Lib3dsLoader.cpp Project: spsu/graphics4363

VertexArray* Lib3dsLoader::buildVao()
{
	VertexArray* vao = 0;
	Lib3dsVector* verts = 0;
	Lib3dsVector* norms = 0;
	Lib3dsTexel* tex = 0;
	Lib3dsMesh* mesh = 0;
	//bool hasTexture = false; // TODO
	unsigned int numFaces = 0;
	unsigned int doneFaces = 0;

	numFaces = getNumFaces();

	verts = new Lib3dsVector[numFaces * 3];
	norms = new Lib3dsVector[numFaces * 3];
	tex = new Lib3dsTexel[numFaces * 3];

	mesh = model->meshes;

	// For all meshes, calculate normals and extract vertices. 
	// Taken from http://www.donkerdump.nl/node/207
	while(mesh != 0)
	{
		lib3ds_mesh_calculate_normals(mesh, &norms[doneFaces*3]);

		// For all faces
		for(unsigned int i = 0; i < mesh->faces; i++)
		{
			Lib3dsFace* face = &mesh->faceL[i];
			for(unsigned int j = 0; j < 3; j++)
			{
				memcpy(&verts[doneFaces * 3 + j], 
						mesh->pointL[face->points[j]].pos,
						sizeof(Lib3dsVector));

				if(mesh->texels) {
					memcpy(&tex[doneFaces *3 + j], 
							mesh->texelL[face->points[j]],
							sizeof(Lib3dsTexel));
				}     
			}
			doneFaces++;
		}
		mesh = mesh->next;
	}

	vao = new VertexArray();
	vao->loadVertices(verts, numFaces);
	vao->loadNormals(norms, numFaces);
	vao->loadTextureCoords(tex, numFaces);

	delete[] verts;
	delete[] norms;
	delete[] tex;

	return vao;
}