// -------------------------- Unit Movement ---------------------------------
private void ManageUnitMovement()
{
// Lerp - transition from-tile-to-tile.
if (IsWalking)
{
if (HasReachedNextTile())
{
MoveToNextTile();
}
// controls the speed of each tile transition.
_currentLerpTime += Time.deltaTime;
if (_currentLerpTime == LerpDuration)
{
_currentLerpTime = LerpDuration;
}
// percentage = [0,1] where 0 means "at startPosition" and 1 means "reached lerp endPosition". Anything in between means "still moving".
float percentage = _currentLerpTime / LerpDuration;
// Smoothly animate towards the correct map tile.
transform.position = Vector2.Lerp(transform.position, Map.TileCoordToWorldCoord(TileX, TileY), percentage); //25f * Time.deltaTime
if (HasReachedFinalDestination())
{
IsWalking = false;
// Teleport us to our correct "current" position, in case we
// haven't finished the animation yet.
transform.position = Map.TileCoordToWorldCoord(TileX, TileY);
// update state machine.
_unitState.UnitSelected2UnitArrived();
}
}
}