Version: 2017.2
public static float Sign (float f);

설명

Returns the sign of f.

Return value is 1 when f is positive or zero, -1 when f is negative.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { Debug.Log(Mathf.Sign(-10)); Debug.Log(Mathf.Sign(10)); } }