/// <summary>
/// Whether a <c>Transform</c> is already aligned.
/// </summary>
private bool AlreadyAligned(Transform t)
{
var p = t.position;
Vector3 aligned;
if (_rectGrid)
{
var s = t.lossyScale;
aligned = _rectGrid.AlignVector3(p, s);
}
else if (_hexGrid)
{
aligned = _hexGrid.AlignVector3(p);
}
else
{
const string message = "Only rectangular or hexagonal grids supported.";
throw new System.NotSupportedException(message);
}
var inPlace = (p - aligned).sqrMagnitude <= Mathf.Epsilon;
var deltaAngle = Quaternion.Angle(GridTransfrom.rotation, t.rotation);
var rotated = !_rotateTransform || deltaAngle <= Mathf.Epsilon;
return(inPlace && rotated);
}