public static IEnumerable <IntVector2> Basic(Transform transform)
{
if (!transform.TryGetClosestPlayerTransform(out var playerTransform))
{
yield break;
}
var orientation = transform.orientation;
var diff = playerTransform.position - transform.position;
var diff_ones = diff.Sign();
var diff_x = new IntVector2(diff_ones.x, 0);
var diff_y = new IntVector2(0, diff_ones.y);
// The difference is not diagonal
if (diff_ones.x == 0)
{
yield return(diff_y);
}
else if (diff_ones.y == 0)
{
yield return(diff_x);
}
// the difference is diagonal
else
{
int dot_x = diff_x.Dot(orientation);
int dot_y = diff_y.Dot(orientation);
if (dot_x >= dot_y)
{
yield return(diff_x);
yield return(diff_y);
}
else
{
yield return(diff_y);
yield return(diff_x);
}
}
}