public static void addProtrusion(TerrainProtrusions prot)
{
if (!protrusions.Contains (prot)) {
protrusions.Add(prot);
}
}
public int equals(TerrainProtrusions other)
{
if (center == other.center && radius == other.radius && isProtrusion == other.isProtrusion)
return 1;
else
return 0;
}