対象のオブジェクトを振動させるクラス作ったよー

コード

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// 振動タイプ
/// </summary>
internal enum VibrateType
{
    VERTICAL,
    HORIZONTAL
}

/// <summary>
/// 対象オブジェクトの振動を管理するクラス
/// </summary>
public class VibrateController : MonoBehaviour {

    [SerializeField] private VibrateType vibrateType;          //振動タイプ
    [Range(0, 1)] [SerializeField] private float vibrateRange; //振動幅
    [SerializeField] private float vibrateSpeed;               //振動速度

    private float initPosition;   //初期ポジション
    private float newPosition;    //新規ポジション
    private float minPosition;    //ポジションの下限
    private float maxPosition;    //ポジションの上限
    private bool directionToggle; //振動方向の切り替え用トグル(オフ：値が小さくなる方向へ オン：値が大きくなる方向へ)

    // Use this for initialization
    void Start () {
        //初期ポジションの設定を振動タイプ毎に分ける
        switch (this.vibrateType) {
            case VibrateType.VERTICAL:
                this.initPosition = transform.localPosition.y;
                break;
            case VibrateType.HORIZONTAL:
                this.initPosition = transform.localPosition.x;
                break;
        }

            this.newPosition = this.initPosition;
            this.minPosition = this.initPosition - this.vibrateRange;
            this.maxPosition = this.initPosition + this.vibrateRange;
            this.directionToggle = false;
    }
	
    // Update is called once per frame
    void Update () {
        //毎フレーム振動を行う
        Vibrate ();
    }

    private void Vibrate() {

        //ポジションが振動幅の範囲を超えた場合、振動方向を切り替える
        if (this.newPosition <= this.minPosition ||
            this.maxPosition <= this.newPosition) {
            this.directionToggle = !this.directionToggle;
        }

        //新規ポジションを設定
        this.newPosition = this.directionToggle ? 
            this.newPosition + (vibrateSpeed * Time.deltaTime) :
            this.newPosition - (vibrateSpeed * Time.deltaTime);
        this.newPosition = Mathf.Clamp (this.newPosition, this.minPosition, this.maxPosition);

        //新規ポジションを代入
        switch (this.vibrateType) {
            case VibrateType.VERTICAL:
                this.transform.localPosition = new Vector3 (0, this.newPosition, 0);
                break;
            case VibrateType.HORIZONTAL:
                this.transform.localPosition = new Vector3 (this.newPosition, 0, 0);
                break;
        }
    }
}