/// <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);
}