Sharp Coder is reader-supported, meaning when you buy through links on our site, we may earn an affiliate commission.

Camera Head Bobbing Effect in Unity

0 Comments - Nov 13, 2019

The Head bobbing effect is widely used in First-Person Shooter games and plays a key role in increasing player immersion.

In this tutorial, I will be showing how to create a head-bobbing effect in Unity.

Step 1: Set Up Player Controller

First, we need to create a player controller:

  • Create a new Game Object (Game Object -> Create Empty) and name it "Player"
  • Create new Capsule (Game Object -> 3D Object -> Capsule) and move it inside "Player" Object
  • Remove Capsule Collider component from Capsule and change its position to (0, 1, 0)
  • Move the Main Camera inside "Player" Object and change its position to (0, 1.64, 0)
  • Create a new script, name it "SC_CharacterController" and paste the code below inside it:


using UnityEngine;


public class SC_CharacterController : MonoBehaviour
    public float speed = 7.5f;
    public float jumpSpeed = 8.0f;
    public float gravity = 20.0f;
    public Camera playerCamera;
    public float lookSpeed = 2.0f;
    public float lookXLimit = 45.0f;

    CharacterController characterController;
    public Vector3 moveDirection =;
    Vector2 rotation =;

    public bool canMove = true;

    void Start()
        characterController = GetComponent<CharacterController>();
        rotation.y = transform.eulerAngles.y;

    void Update()
        if (characterController.isGrounded)
            // We are grounded, so recalculate move direction based on axes
            Vector3 forward = transform.TransformDirection(Vector3.forward);
            Vector3 right = transform.TransformDirection(Vector3.right);
            float curSpeedX = canMove ? speed * Input.GetAxis("Vertical") : 0;
            float curSpeedY = canMove ? speed * Input.GetAxis("Horizontal") : 0;
            moveDirection = (forward * curSpeedX) + (right * curSpeedY);

            if (Input.GetButton("Jump") && canMove)
                moveDirection.y = jumpSpeed;

        // Apply gravity. Gravity is multiplied by deltaTime twice (once here, and once below
        // when the moveDirection is multiplied by deltaTime). This is because gravity should be applied
        // as an acceleration (ms^-2)
        moveDirection.y -= gravity * Time.deltaTime;

        // Move the controller
        characterController.Move(moveDirection * Time.deltaTime);

        // Player and Camera rotation
        if (canMove)
            rotation.y += Input.GetAxis("Mouse X") * lookSpeed;
            rotation.x += -Input.GetAxis("Mouse Y") * lookSpeed;
            rotation.x = Mathf.Clamp(rotation.x, -lookXLimit, lookXLimit);
            playerCamera.transform.localRotation = Quaternion.Euler(rotation.x, 0, 0);
            transform.eulerAngles = new Vector2(0, rotation.y);
  • Attach SC_CharacterController script to "Player" Object (You will notice that it also added another component called Character Controller, change its center value to (0, 1, 0))
  • Assign the Main Camera to the Player Camera variable in SC_CharacterController

The Player controller is now ready:

Step 2: Add Head Bobbing Effect

Head Bobbing Effect is done with a help of a script and is working by moving the Camera Up and Down when the player is moving.

  • Create a new script, name it SC_HeadBobber, and paste the code below inside it:


using UnityEngine;

public class SC_HeadBobber : MonoBehaviour
    public float walkingBobbingSpeed = 14f;
    public float bobbingAmount = 0.05f;
    public SC_CharacterController controller;

    float defaultPosY = 0;
    float timer = 0;

    // Start is called before the first frame update
    void Start()
        defaultPosY = transform.localPosition.y;

    // Update is called once per frame
    void Update()
        if(Mathf.Abs(controller.moveDirection.x) > 0.1f || Mathf.Abs(controller.moveDirection.z) > 0.1f)
            //Player is moving
            timer += Time.deltaTime * walkingBobbingSpeed;
            transform.localPosition = new Vector3(transform.localPosition.x, defaultPosY + Mathf.Sin(timer) * bobbingAmount, transform.localPosition.z);
            timer = 0;
            transform.localPosition = new Vector3(transform.localPosition.x, Mathf.Lerp(transform.localPosition.y, defaultPosY, Time.deltaTime * walkingBobbingSpeed), transform.localPosition.z);
  • Attach SC_HeadBobber script to the Main Camera
  • Assign SC_CharacterController script to "Controller" variable

Finally, press Play to test it, the Camera bobbing should be activated on player movement.

You Do Not Have To Do Everything Yourself
Search from thousands of ready-to-use Unity assets.
Visit Asset Store