public static Mesh CreateConvexHull(Mesh mesh)
{
List <MIConvexHull.DefaultVertex> vertices = new List <DefaultVertex>();
foreach (Vector3 vertex in mesh.vertices)
{
MIConvexHull.DefaultVertex mi_vertex = new MIConvexHull.DefaultVertex();
mi_vertex.Position = new double[3] {
vertex.x, vertex.y, vertex.z
};
vertices.Add(mi_vertex);
}
MIConvexHull.ConvexHull <
MIConvexHull.DefaultVertex,
MIConvexHull.DefaultConvexFace <MIConvexHull.DefaultVertex> > mi_hull =
MIConvexHull.ConvexHull.Create(vertices);
List <Vector3> hull_vertices = new List <Vector3>();
foreach (MIConvexHull.DefaultVertex vertex in mi_hull.Points)
{
hull_vertices.Add(new Vector3((float)vertex.Position[0], (float)vertex.Position[1], (float)vertex.Position[2]));
}
IList <MIConvexHull.DefaultVertex> mi_hull_vertices = new List <MIConvexHull.DefaultVertex>(mi_hull.Points);
List <int> triangles = new List <int>();
foreach (MIConvexHull.DefaultConvexFace <MIConvexHull.DefaultVertex> face in mi_hull.Faces)
{
triangles.Add(mi_hull_vertices.IndexOf(face.Vertices[0]));
triangles.Add(mi_hull_vertices.IndexOf(face.Vertices[1]));
triangles.Add(mi_hull_vertices.IndexOf(face.Vertices[2]));
}
Mesh hull = new Mesh();
hull.vertices = hull_vertices.ToArray();
hull.triangles = triangles.ToArray();
hull.RecalculateNormals();
return(hull);
}
private Vector3 VertexToVector(MIConvexHull.DefaultVertex v)
{
return(new Vector3((float)v.Position[0], (float)v.Position[1], (float)v.Position[2]));
}