Example #1
0
        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            // Declare variables
            List <Point3d> points          = new List <Point3d>();
            string         name            = "";
            Material       material        = null;
            List <Color>   colors          = new List <Color>();
            int            decimalAccuracy = 3;

            // Reference the inputs
            if (!DA.GetDataList(0, points))
            {
                return;
            }
            DA.GetData(1, ref name);
            DA.GetData(2, ref material);
            if (!DA.GetDataList(3, colors))
            {
                return;
            }
            DA.GetData(4, ref decimalAccuracy);

            // Get the center of the bounding box to create local coordinates
            PointCloud pointCloud = new PointCloud(points);
            Point3d    center     = pointCloud.GetBoundingBox(true).Center;

            // Build the customColor objet
            dynamic customColor = new ExpandoObject();

            customColor.ItemSize   = 3;
            customColor.Type       = "Float32Array";
            customColor.Array      = new List <double>();
            customColor.Normalized = false;

            // Build the size object
            dynamic size = new ExpandoObject();

            size.Itemsize   = 1;
            size.Type       = "Float32Array";
            size.Array      = new List <double>();
            size.Normalized = false;

            // Build the attributes object
            //dynamic attributes = new ExpandoObject();
            //attributes.position = position;
            //attributes.customColor = customColor;
            //attributes.size = size;

            // Create the buffer geometry
            BufferGeometry geometry = new BufferGeometry(points, center, decimalAccuracy);

            geometry.AddVertexColors(colors);

            // Build the child object
            dynamic pointsObject = new ExpandoObject();

            pointsObject.Uuid     = Guid.NewGuid();
            pointsObject.Type     = "Points";
            pointsObject.Layers   = 1;
            pointsObject.Matrix   = new Matrix(center).Array;
            pointsObject.Geometry = geometry.Uuid;

            // Create line object
            Object3d object3d = new Object3d(pointsObject);

            object3d.AddGeometry(geometry);

            // If there is a material, add the material, textures, and images
            if (material != null)
            {
                pointsObject.Material = material.Data.Uuid;

                material.Data.vertexColors = 2;
                object3d.AddMaterial(material.Data);

                if (material.Textures != null)
                {
                    foreach (dynamic texture in material.Textures)
                    {
                        object3d.AddTexture(texture);
                    }
                }
                if (material.Images != null)
                {
                    foreach (dynamic image in material.Images)
                    {
                        object3d.AddImage(image);
                    }
                }
            }
            else
            {
                Guid uuid = Guid.NewGuid();
                pointsObject.Material = uuid;

                // Build the material object
                dynamic pointsMaterial = new ExpandoObject();
                pointsMaterial.Uuid         = uuid;
                pointsMaterial.Type         = "PointsMaterial";
                pointsMaterial.vertexColors = 2;
                object3d.AddMaterial(pointsMaterial);
            }

            // Set output references
            DA.SetData(0, object3d);
        }