Version: 5.6 (switch to 2017.1b)
LanguageEnglish
  • C#
  • JS

Script language

Select your preferred scripting language. All code snippets will be displayed in this language.

Mathf.SmoothDampAngle

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

public static function SmoothDampAngle(current: float, target: float, ref currentVelocity: float, smoothTime: float, maxSpeed: float = Mathf.Infinity, deltaTime: float = Time.deltaTime): float;
public static float SmoothDampAngle(float current, float target, ref float currentVelocity, float smoothTime, float maxSpeed = Mathf.Infinity, float deltaTime = Time.deltaTime);

Parameters

current The current position.
target The position we are trying to reach.
currentVelocity The current velocity, this value is modified by the function every time you call it.
smoothTime Approximately the time it will take to reach the target. A smaller value will reach the target faster.
maxSpeed Optionally allows you to clamp the maximum speed.
deltaTime The time since the last call to this function. By default Time.deltaTime.

Description

Gradually changes an angle given in degrees towards a desired goal angle over time.

The value is smoothed by some spring-damper like function. The function can be used to smooth any kind of value, positions, colors, scalars. The most common use is for smoothing a follow camera.

//A simple smooth follow camera,
// that follows the targets forward direction

var target : Transform; var smooth = 0.3; var distance = 5.0; private var yVelocity = 0.0;

function Update () { // Damp angle from current y-angle towards target y-angle var yAngle : float = Mathf.SmoothDampAngle(transform.eulerAngles.y, target.eulerAngles.y, yVelocity, smooth); // Position at the target var position : Vector3 = target.position; // Then offset by distance behind the new angle position += Quaternion.Euler(0, yAngle, 0) * Vector3 (0, 0, -distance); // Apply the position transform.position = position;

// Look at the target transform.LookAt(target); }
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public Transform target; public float smooth = 0.3F; public float distance = 5.0F; private float yVelocity = 0.0F; void Update() { float yAngle = Mathf.SmoothDampAngle(transform.eulerAngles.y, target.eulerAngles.y, ref yVelocity, smooth); Vector3 position = target.position; position += Quaternion.Euler(0, yAngle, 0) * new Vector3(0, 0, -distance); transform.position = position; transform.LookAt(target); } }