private void CalculateView()
{
Camera camera = FindObjectOfType <Camera>();
CameraControler cameraControler = camera.GetComponent <CameraControler>();
float cameraSize = cameraControler.GetSize();
cameraSize = Mathf.Ceil(cameraSize);
viewWidth = (int)cameraSize;
viewHeight = (int)cameraSize * 2;
int fullViewWidth = viewWidth + 2;
int fullViewHeight = viewHeight + 2;
int numberOfViewTiles = fullViewWidth * fullViewHeight;
viewTiles = new GameObject[numberOfViewTiles];
float startX = camera.transform.position.x - (cameraSize / 2 + 1);
float startY = camera.transform.position.y - (cameraSize + 1);
// Limit view tiles to map limits
startX = Mathf.Clamp(startX, 0, mapWidth - cameraControler.GetSize());
startY = Mathf.Clamp(startY, 0, mapHeight - cameraControler.GetSize());
startX = Mathf.Floor(startX);
startY = Mathf.Floor(startY);
float unitSize = 1.00f;
// wi - width index
// hi - height index
for (int wi = 0; wi < fullViewWidth; wi++)
{
for (int hi = 0; hi < fullViewHeight; hi++)
{
Vector2 newPosition = new Vector2(startX + wi * unitSize, startY + hi * unitSize);
GameObject newViewTile = Instantiate(viewTilePrefab, newPosition, Quaternion.identity) as GameObject;
newViewTile.transform.parent = this.transform;
newViewTile.name = "viewTile [" + wi + "][" + hi + "]";
ViewTile vt = newViewTile.GetComponent <ViewTile>();
vt.x = (int)startX + wi;
vt.y = (int)startY + hi;
viewTiles[wi * fullViewHeight + hi] = newViewTile;
}
}
}