Documentation

Unity Engine

User Manual

Script Reference

Unity Engine

Sqrt(float)

Returns square root of f (real number whose square equals f ).
Read time 1 minuteLast updated 5 days ago

Definition

  • Type: Method
  • Namespace: UnityEngine
  • Assembly: UnityEngine.CoreModule
public static float Sqrt(float f)

Parameters

f

float
Real number whose square root to calculate.

Returns

Type

Description

floatReal number whose square is 
f
.

Remarks

When used with negative values, the output will be equal to NaN.

Examples

using UnityEngine;using System.Collections;public class ExampleClass : MonoBehaviour{    // The formula made famous by Pythagoras, also used internally by    // Vector3.Distance and several other standard functions.    float HypotenuseLength(float sideALength, float sideBLength)    {        return Mathf.Sqrt(sideALength * sideALength + sideBLength * sideBLength);    }}