public PolySet Inset(PolySet polys, float interpolation)
{
PolySet stitchedPolys = StitchIdentifiedPolys(polys);
List <int> verts = polys.GetUniqueVerts();
//Calculate the average center of all the vertices in these Polygons.
Vector3 center = Vector3.zero;
foreach (int vert in verts)
{
center += m_Vertices[vert];
}
center /= verts.Count;
// Pull each vertex towards the center, then correct it's height so that it's as far from the center of
// the planet as it was before.
foreach (int vert in verts)
{
Vector3 v = m_Vertices[vert];
float height = v.magnitude;
v = Vector3.Lerp(v, center, interpolation);
v = v.normalized * height;
m_Vertices[vert] = v;
}
return(stitchedPolys);
}
public PolySet Extrude(PolySet polys, float height)
{
PolySet stitchedPolys = StitchIdentifiedPolys(polys);
List <int> verts = polys.GetUniqueVerts();
// Take each vertex in this list of polys, and push it away from the center of the Planet by the height parameter.
foreach (int vert in verts)
{
Vector3 v = m_Vertices[vert];
v = v.normalized * (v.magnitude + height);
m_Vertices[vert] = v;
}
return(stitchedPolys);
}