Vector3.SmoothDamp

static function SmoothDamp(current: Vector3, target: Vector3, currentVelocity: Vector3, smoothTime: float, maxSpeed: float = Mathf.Infinity, deltaTime: float = Time.deltaTime): Vector3;

static Vector3 SmoothDamp(Vector3 current, Vector3 target, Vector3 currentVelocity, float smoothTime, float maxSpeed = Mathf.Infinity, float deltaTime = Time.deltaTime);

static def SmoothDamp(current as Vector3, target as Vector3, currentVelocity as Vector3, smoothTime as float, maxSpeed as float = Mathf.Infinity, deltaTime as float = Time.deltaTime) as Vector3

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 a vector towards a desired goal over time.

The vector is smoothed by some spring-damper like function, which will never overshoot. The most common use is for smoothing a follow camera.

	// Smooth towards the target	var target : Transform;
	var smoothTime = 0.3;
	private var velocity = Vector3.zero;
	
	function Update () {
		// Define a target position above and behind the target transform
		var targetPosition : Vector3 = target.TransformPoint(Vector3(0, 5, -10));
		
		// Smoothly move the camera towards that target position
		transform.position = Vector3.SmoothDamp(transform.position, targetPosition,
		                             velocity, smoothTime);
	}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Transform target;
    public float smoothTime = 0.3F;
    private Vector3 velocity = Vector3.zero;
    void Update() {
        Vector3 targetPosition = target.TransformPoint(new Vector3(0, 5, -10));
        transform.position = Vector3.SmoothDamp(transform.position, targetPosition, ref velocity, smoothTime);
    }
}

import UnityEngine
import System.Collections

public class ExampleClass(MonoBehaviour):

	public target as Transform

	public smoothTime as float = 0.3F

	private velocity as Vector3 = Vector3.zero

	def Update() as void:
		targetPosition as Vector3 = target.TransformPoint(Vector3(0, 5, -10))
		transform.position = Vector3.SmoothDamp(transform.position, targetPosition, , smoothTime)

Script language:

Script language

Scripting API

Vector3.SmoothDamp

Parameters

Description