sign(n);
| Argument | Description |
|---|---|
| n | The number to get the sign of. |
Returns: Integer
This function returns whether a number is positive, negative or
neither and returns 1, -1, 0 respectively. For example -
sign(458) will return 1, sign(-5) will return -1
and sign(0) will return 0.
y += sign(y - mouse_y);
The above code will add 1, -1 or 0 onto y depending on the result of y - mouse_y.