BloodAndGore/Assets/Scripts/Effects/Bobbing.cs

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

public class Bobbing : MonoBehaviour {

    public Transform BobbedTransform;

    [Range(0, 1)]
    public float BobbingMultiplier = 1;
    public float BobbingGravity = 0.5f;
    public float BobbingLaunchSpeed = 5f;
    public Vector2 BobbingDirection = new Vector2(0, 1);

    private float BobbingSpeed;

    private float CurrentBobbingState = 0;

    void Update() {
        BobbingSpeed -= (BobbingGravity / 10 * Time.deltaTime);
        if (CurrentBobbingState <= 0) {
            BobbingSpeed = (BobbingLaunchSpeed / 10);
        }
        CurrentBobbingState += BobbingSpeed;

        BobbedTransform.localPosition = BobbingDirection * CurrentBobbingState * BobbingMultiplier;

    }
}