private void ValidateDrag(HexCell currentCell)
{
for (_dragDirection = HexDirection.NorthEast; _dragDirection <= HexDirection.NorthWest; _dragDirection++)
{
if (PreviousCell.GetNeighbor(_dragDirection) == currentCell)
{
_isDrag = true;
return;
}
}
_isDrag = false;
}
public override Type Tick()
{
if (Input.GetMouseButton(0) && !EventSystem.current.IsPointerOverGameObject())
{
Ray inputRay = HexMapCamera.MainCamera.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(inputRay, out var hit, 1000f, BuildModeSettings.CellLayerMask))
{
Cell = HexGrid.Instance.GetCell(hit.point);
//Cell.color = BuildModeSettings.DrawColor;
if (PreviousCell && PreviousCell != Cell)
{
ValidateDrag(Cell);
}
else
{
_isDrag = false;
}
if (_isDrag)
{
HexCell otherCell = Cell.GetNeighbor(_dragDirection.Opposite());
// TODO: check if removing the null check breaks the logic, otherCell == null
if (!otherCell)
{
return(null);
}
PreviousCell.AddWall(_dragDirection, BuildModeSettings.Wall);
//PreviousCell.color = BuildModeSettings.DrawColor;
}
PreviousCell = Cell;
}
}
return(null);
}