// Update is called once per frame
void Update()
{
//determine how far player has moved since last update
int xMove = (int)(player.transform.position.x - startPos.x);
int zMove = (int)(player.transform.position.z - startPos.z);
if (Mathf.Abs(xMove) >= mirrorPlaneSize || Mathf.Abs(zMove) >= mirrorPlaneSize)
{
float updateTime = Time.realtimeSinceStartup;
//force integer position + round to nearest tilesize
int playerX = (int)(Mathf.Floor(player.transform.position.x / mirrorPlaneSize) * mirrorPlaneSize);
int playerZ = (int)(Mathf.Floor(player.transform.position.z / mirrorPlaneSize) * mirrorPlaneSize);
for (int x = -halfTilesX; x < halfTilesX; x++)
{
for (int z = -halfTilesZ; z < halfTilesZ; z++)
{
Vector3 pos = new Vector3((x * mirrorPlaneSize + playerX), 0, (z * mirrorPlaneSize * playerZ));
string mirrorName = "Mirror" + ((int)(pos.x)).ToString() + "_" + ((int)(pos.z)).ToString();
if (!mirrorsTable.ContainsKey(mirrorName))
{
GameObject m = (GameObject)Instantiate(mirrorPlane, pos, Quaternion.identity);
m.name = mirrorName;
MirrorTile mirrorTile = new MirrorTile(m, updateTime);
mirrorsTable.Add(mirrorName, mirrorTile);
}
else
{
(mirrorsTable[mirrorName] as MirrorTile).timeSinceCreated = updateTime;
}
}
}
//destroy all tiles not just created or with time updated
//and put all new tiles and tiles to be kept in a new hashtable
Hashtable newMirrorsTable = new Hashtable();
foreach (MirrorTile mtls in mirrorsTable.Values)
{
if (mtls.timeSinceCreated != updateTime)
{
//DELETE Gameobject. It has been deemed unncessary
Destroy(mtls.theMirrorTile);
}
else
{
newMirrorsTable.Add(mtls.theMirrorTile.name, mtls);
}
//copy new hashtable contents to working hashtable
mirrorsTable = newMirrorsTable;
startPos = player.transform.position;
}
}
}
// Use this for initialization
void Start()
{
this.gameObject.transform.position = Vector3.zero;
float updateTime = Time.realtimeSinceStartup;
for (int x = -halfTilesX; x < halfTilesX; x++)
{
for (int z = -halfTilesZ; z < halfTilesZ; z++)
{
Vector3 pos = new Vector3((x * mirrorPlaneSize + startPos.x), 0, (z * mirrorPlaneSize + startPos.z));
GameObject m = (GameObject)Instantiate(mirrorPlane, pos, Quaternion.identity);
string MirrorName = "Mirror_" + ((int)(pos.x)).ToString() + "_" + ((int)(pos.z)).ToString();
m.name = MirrorName;
MirrorTile mirrorTile = new MirrorTile(m, updateTime);
mirrorsTable.Add(MirrorName, mirrorTile);
}
}
}
