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What degrees of motion do the sprites have? 8, 4 or just left and right?

Visually just one.  Left.
Easily get 2 with flipping.
Logically when moving can be 8. Right for sw, w, nw, n & Left for ne, e, se, s.

(2 edits)

var t = transform;
transform.localScale = new Vector3(t.localScale.x * -1f, t.localScale..y, t.localScale..z)