//We do the actual interpolation in FixedUpdate(), since we're dealing with a rigidbody
private void LateUpdate()
{
if (_isMapInitialized && _isLerping)
{
//We want percentage = 0.0 when Time.time = _timeStartedLerping
//and percentage = 1.0 when Time.time = _timeStartedLerping + timeTakenDuringLerp
//In other words, we want to know what percentage of "timeTakenDuringLerp" the value
//"Time.time - _timeStartedLerping" is.
float timeSinceStarted = Time.time - _timeStartedLerping;
float percentageComplete = timeSinceStarted / timeTakenDuringLerp;
//Perform the actual lerping. Notice that the first two parameters will always be the same
//throughout a single lerp-processs (ie. they won't change until we hit the space-bar again
//to start another lerp)
_startPosition = _map.GeoToWorldPosition(_startLatLong, false);
_endPosition = _map.GeoToWorldPosition(_endLatlong, false);
var position = Vector3.Lerp(_startPosition, _endPosition, percentageComplete);
var latLong = _map.WorldToGeoPosition(position);
_map.UpdateMap(latLong, _map.Zoom);
//When we've completed the lerp, we set _isLerping to false
if (percentageComplete >= 1.0f)
{
_isLerping = false;
}
}
}
private void LateUpdate()
{
if (_isMapInitialized)
{
var currentPosition = _map.GeoToWorldPosition(_map.CenterLatitudeLongitude, false);
var position = Vector3.Lerp(currentPosition, _targetPosition, Time.deltaTime);
var latLong = _map.WorldToGeoPosition(position);
_map.UpdateMap(latLong, _map.Zoom);
}
}
private void Update()
{
if (!_initialized)
{
return;
}
_currentTile = TileCover.CoordinateToTileId(_basicMap.WorldToGeoPosition(_targetTransform.position), (int)_map.Zoom);
if (!_currentTile.Equals(_cachedTile))
{
for (int x = _currentTile.X - _visibleBuffer; x <= (_currentTile.X + _visibleBuffer); x++)
{
for (int y = _currentTile.Y - _visibleBuffer; y <= (_currentTile.Y + _visibleBuffer); y++)
{
AddTile(new UnwrappedTileId((int)_map.Zoom, x, y));
}
}
_cachedTile = _currentTile;
Cleanup(_currentTile);
}
}