/// <summary>
/// Returns the cell positions overlapped by the box defined by max and min.
/// </summary>
/// <param name="min">Bottom left corner in world space.</param>
/// <param name="max">Top right corner in world space.</param>
/// <returns>List of cell positions.</returns>
/// <exception cref="ArgumentException"></exception>
public List <Vector2Int> GetCellsOverlappingArea(Vector2 min, Vector2 max)
{
if (Vector2.Min(min, max) != min)
{
throw new ArgumentException("min is not strictly less than max");
}
List <Vector2Int> cells = new List <Vector2Int>();
var minCell = _grid.WorldToCell(min);
var maxCell = _grid.WorldToCell(max);
for (int x = minCell.x; x <= maxCell.x; x++)
{
for (int y = minCell.y; y <= maxCell.y; y++)
{
cells.Add(new Vector2Int(x, y));
}
}
return(cells);
}
void Update()
{
// 不懂为什么，将Enable关闭了之后，会出现鼠标经过两次的问题
if (!isExecute)
{
return;
}
var worldPointV3 = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector3Int cellPos = grid.WorldToCell(worldPointV3);
// 非UI层。
if (!EventSystem.current.IsPointerOverGameObject())
{
var hit2D = Physics2D.Raycast(worldPointV3, Vector2.zero, 10);
if (hit2D.transform != null)
{
bool gridPlayerLayer = hit2D.transform.gameObject.layer == LayerMask.NameToLayer("GridPlayer");
ActivitiesUnit unit = hit2D.transform.GetComponent <ActivitiesUnit>();
if (gridPlayerLayer)
{
// Touch Unit
if (cacheHitRaycastUnit != null && cacheHitRaycastUnit != unit)
{
Debug.Log("????");
//CommanderRangeUnit(null);
}
if (cacheHitRaycastUnit == null || cacheHitRaycastUnit != unit)
{
CommanderRangeUnit(unit);
}
}
else
{
// Exit Unit
if (cacheHitRaycastUnit != null)
{
Debug.Log("??");
CommanderRangeUnit(null);
}
}
if (Input.GetMouseButtonDown(0))
{
ExecuteClickStepEvent(unit, cellPos, gridPlayerLayer);
}
}
else
{
// 通知现在没点到士兵
if (cacheHitRaycastUnit != null)
{
Debug.Log("??");
CommanderRangeUnit(null);
}
}
}
if (Input.GetMouseButtonDown(1))
{
CancelStepEvent();
}
}
