public void DrawSerpentCell(Serpent serpent, int idx)
{
Cell cell = serpent.GetCell(idx);
Rectangle rect = GetCellRect(cell.Row, cell.Col);
RelateDirection before = serpent.GetCellRelation(idx, -1);
RelateDirection after = serpent.GetCellRelation(idx, 1);
cell.Draw(_graphic, rect, CellMargin, idx, before, after);
}
private bool CannotMoveByKeyboard(Cell cell)
{
if (cell == null)
{
return(true);
}
Cell neck = serpent.GetCell(1);
if (cell.IsSamePostion(neck))
{
return(true);
}
return(false);
}