math.sign
Returns -1, 0, or 1 for the sign of a number.
Syntax
math.sign(x: number) -> numberParameters
| Parameter | Type | Description |
|---|---|---|
x | number | Value to test. |
Returns
| Type | Description |
|---|---|
number | -1, 0, or 1. |
Description
Convenient for direction checks, such as turning toward a target without branching on the sign.
Only zero returns 0.
Example
local dx = target.X - part.Position.X
part.CFrame = part.CFrame * CFrame.Angles(0, math.sign(dx) * 0.1, 0)Notes
math.sign(-0.0)— Returns0.