[Unity] 초간단 3인칭 게임용 카메라 & 플레이어 설정

Player Input

using UnityEngine;

public class PlayerInput : MonoBehaviour
{
    public float move_x { get; private set; }
    public float move_z { get; private set; }
    public bool jump { get; private set; }

    private void Awake()
    {
        InitFields();
    }

    private void InitFields()
    {
        move_x = 0;
        move_z = 0;
        jump = false;
    }

    private void Update()
    {
        // if (GameManager.game_over) { InitFields(); return; }

        move_x = Input.GetAxisRaw("Horizontal");
        move_z = Input.GetAxisRaw("Vertical");
        jump = Input.GetKeyDown(KeyCode.Space);
    }
}

---

Player Action

using UnityEngine;

public class PlayerAction : MonoBehaviour
{
    private PlayerInput pi;
    private Rigidbody rb;

    private float move_speed;
    private float jump_force;
    private float vel_damp;

    [SerializeField] private Transform cam_transform;

    private void Awake()
    {
        GetReferences();
        InitFields();
    }

    private void GetReferences()
    {
        pi = GetComponent<PlayerInput>();
        rb = GetComponent<Rigidbody>();
    }

    private void InitFields()
    {
        move_speed = 100f;
        jump_force = 500f;
        vel_damp = 0.75f;
    }

    private void Start()
    {
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }

    private void FixedUpdate()
    {
        Move();
        // if (pi.jump) Jump();
    }

    private void Update()
    {
        if (pi.jump && IsGrounded()) Jump();
        transform.rotation = Quaternion.Euler(transform.eulerAngles.x, cam_transform.eulerAngles.y, transform.eulerAngles.x);
    }

    private bool IsGrounded()
    {
        Collider[] hits = Physics.OverlapBox(new Vector3(transform.position.x, transform.position.y - 1f, transform.position.z), new Vector3(0.5f, 0.25f, 0.5f), Quaternion.identity, LayerMask.GetMask("Ground"));
        if (hits.Length > 0) return true;
        return false;
    }

    private void Move()
    {
        Vector3 move_dir = (transform.right * pi.move_x + transform.forward * pi.move_z).normalized;
        rb.linearVelocity += move_dir * move_speed * Time.fixedDeltaTime;
        rb.linearVelocity = new Vector3(rb.linearVelocity.x * vel_damp, rb.linearVelocity.y, rb.linearVelocity.z * vel_damp);
    }

    private void Jump()
    {
        rb.linearVelocity = new Vector3(rb.linearVelocity.x, 0, rb.linearVelocity.z);
        rb.AddForce(Vector3.up * jump_force);
    }
}

---

Main Camera

• Cinemachine Brain

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Virtual Camera

• Cinemachine Camera
  Tracking Target : Player
  Position Control : Orbital Follow
  Rotation Control : Rotation Composer
• Cinemachine Orbital Follow
  Position Damping : X, Y, Z 전부 0 (안 그러면 카메라가 플레이어를 제대로 따라가지 못하고, 중간에 뚝뚝 끊김!)
  Orbit Style : Sphere
  Radius : 10
• Cinemachine Rotation Composer
• Cinemachine FreeLook Modifier
• Cinemachine Input Axis Controller

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읽어주셔서 감사합니다!