public void OnPointerClick(PointerEventData eventData)
{
GameObject pressGO = eventData.pointerEnter;
if (_dicGO2Ctrl.ContainsKey(pressGO))
{
//DrawLine(_dicGO2Ctrl[pressGO].pos);
GridCellCtrl ctrl = _dicGO2Ctrl[pressGO];
_start = ctrl.pos;
ClearLine();
ctrl.SetColor(Color.red);
}
}
void DrawLine(Vector2Int end)
{
ClearLine();
_dicPos2Ctrl[_start].SetColor(Color.red);
GridCellCtrl ctrl = _dicPos2Ctrl[end];
ctrl.SetColor(Color.green);
List <Vector2Int> touchedGrids = GridHelper.GetTouchedPosBetweenTwoPoints(_start, ctrl.pos);
for (int i = 0; i < touchedGrids.Count; i++)
{
_dicPos2Ctrl[touchedGrids[i]].SetColor(Color.black);
}
}