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Mathf.SmoothStep

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マニュアルに切り替える
public static function SmoothStep(from: float, to: float, t: float): float;
public static float SmoothStep(float from, float to, float t);

Parameters

Description

MinMax の間で制限したスムージングで補間します。

この関数は Lerp と同じ方法で MinMax の間で補間します。 ただし、補間は開始時から徐々にスピードアップし、終わりに向かって減速します。 これは自然なアニメーション、フェーディングや他の遷移する状態を作成するに便利です。

// Minimum and maximum values for the transition.
var minimum = 10.0;
var maximum = 20.0;

// Time taken for the transition. var duration = 5.0;

private var startTime: float;

function Start() { // Make a note of the time the script started. startTime = Time.time; }

function Update() { // Calculate the fraction of the total duration that has passed. var t = (Time.time - startTime) / duration; transform.position = Vector3(Mathf.SmoothStep(minimum, maximum, t), 0, 0); }
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public float minimum = 10.0F; public float maximum = 20.0F; public float duration = 5.0F; private float startTime; void Start() { startTime = Time.time; } void Update() { float t = (Time.time - startTime) / duration; transform.position = new Vector3(Mathf.SmoothStep(minimum, maximum, t), 0, 0); } }