public HexSphere(int subdivisions, Vector3 center, float edgeLength)
{
tileMap = new Dictionary <SCoord, GameObject>();
// Make and subdivide the icosphere
hexSphere = new Icosphere(center, 1);
for (int sub = 0; sub < subdivisions; sub++)
{
hexSphere = hexSphere.SubdivideSphere();
}
// Scale the spehres
float sf = HexSphere.GetScaleFactor(hexSphere, edgeLength);
hexSphere.SetRadius(sf);
}
// Start is called before the first frame update
void Start()
{
// Make the icosphere
sphere = new Icosphere(transform.position, radius);
for (int sub = 0; sub < subdivsions; sub++)
{
sphere = sphere.SubdivideSphere();
}
// Make the faces of the icosphere
foreach (SCoord coord in sphere.Coordinates)
{
// Get the 3d coordinate of the sphere
Vector3 point = sphere.GetPoint(coord);
// Get the rotation of the face to make it tangent to the sphere
Vector3 rotation = SCoord.GetRotation(coord);
// Get the kind of object
GameObject newObj = null;
int degree = sphere.GetDegree(coord);
if (degree == 5)
{
newObj = Instantiate(pentagonPrefab);
}
else
{
newObj = Instantiate(hexagonPrefab);
}
// Place and rotate object tangent to the sphere
newObj.transform.eulerAngles = rotation;
newObj.transform.position = point;
newObj.transform.SetParent(this.transform);
// Rotate the face to be line up correclty
IEnumerator <SCoord> neighbors = sphere.GetNeighbors(coord).GetEnumerator();
neighbors.MoveNext();
SCoord neighbor = neighbors.Current;
Vector3 targetVec = Vector3.ProjectOnPlane(neighbor.ToEuclidian() - coord.ToEuclidian(), newObj.transform.up).normalized;
float angle = Mathf.Acos(Vector3.Dot(newObj.transform.right.normalized, targetVec));
if (float.IsNaN(angle))
{
angle = 180;
}
Vector3 cross = Vector3.Cross(newObj.transform.right.normalized, targetVec);
if (Vector3.Dot(newObj.transform.up.normalized, cross) < 0)
{
angle *= -1;
}
angle *= 180 / Mathf.PI;
Debug.Log(angle);
newObj.transform.Rotate(0, angle, 0, Space.Self);
tiles.Add(coord, newObj);
}
}
