// Update is called once per frame
void Update()
{
Vector2 newDir = new Vector2(
Input.GetAxisRaw("Horizontal"),
Input.GetAxisRaw("Vertical")
);
if (newDir.SqrMagnitude() < 0.05f)
{
// The input is REALLY small (probably zero),
// so don't change the desired direction
return;
}
// newDir could be REALLY wonky at this point. Could be diagonal,
// could have a fractional number like (0.67, -0.24)
// In case we have both an X and a Y
if (Mathf.Abs(newDir.x) >= Mathf.Abs(newDir.y))
{
// X is bigger, so zero the Y
newDir.y = 0;
}
else
{
newDir.x = 0;
}
mazeMover.SetDesiredDirection(newDir.normalized, true);
}
void DoTurn()
{
// Do a turn to the "left" or "right"
Vector2 newDir = Vector2.zero;
Vector2 oldDir = mazeMover.GetDesiredDirection();
if (Mathf.Abs(oldDir.x) > 0)
{
// Moving left-right currently.
// A "smarter" enemy might ask: Is the player above or below us, and
// weight the "Y" direction accordingly
newDir.y = Random.Range(0, 2) == 0 ? -1 : 1;
}
else
{
// Currently moving up-down
newDir.x = Random.Range(0, 2) == 0 ? -1 : 1;
}
mazeMover.SetDesiredDirection(newDir);
}