Exemplo n.º 1
0
        /// <summary>
        /// Identifies the points on the surface of hull.
        /// </summary>
        /// <param name="points">List of points in the set.</param>
        /// <param name="outputTriangleIndices">List of indices into the input point set composing the triangulated surface of the convex hull.
        /// Each group of 3 indices represents a triangle on the surface of the hull.</param>
        /// <param name="outputSurfacePoints">Unique points on the surface of the convex hull.</param>
        public static void GetConvexHull(RawList <Vector3> points, RawList <int> outputTriangleIndices, IList <Vector3> outputSurfacePoints)
        {
            GetConvexHull(points, outputTriangleIndices);

            var alreadyContainedIndices = CommonResources.GetIntSet();

            for (int i = outputTriangleIndices.Count - 1; i >= 0; i--)
            {
                int index = outputTriangleIndices[i];
                if (alreadyContainedIndices.Add(index))
                {
                    outputSurfacePoints.Add(points[index]);
                }
            }

            CommonResources.GiveBack(alreadyContainedIndices);
        }