public IEnumerable <RaycastHit2D> CheckCollisionEdgeHit(LayerMask mask)
{
foreach (var hit in Up.GetEdgeHits(mask))
{
yield return(hit);
}
foreach (var hit in Down.GetEdgeHits(mask))
{
yield return(hit);
}
foreach (var hit in Left.GetEdgeHits(mask))
{
yield return(hit);
}
foreach (var hit in Right.GetHits(mask))
{
yield return(hit);
}
yield break;
}