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| using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// 날짜 : 2021-02-28 PM 5:30:50
// 작성자 : Rito
namespace Rito
{
/// <summary> 자유 시점 카메라 </summary>
[DisallowMultipleComponent]
public class FreeLookCamera : MonoBehaviour
{
/***********************************************************************
* Public Fields
***********************************************************************/
#region .
[Header("Options"), Range(1f, 20f)]
public float _moveSpeed = 5f;
[Range(1f, 10f)]
public float _rotationSpeed = 5f;
public bool _wheelAcceleration = true; // 마우스 휠로 이동속도 증가/감소
[Space]
public KeyCode _moveForward = KeyCode.W;
public KeyCode _moveBackward = KeyCode.S;
public KeyCode _moveLeft = KeyCode.A;
public KeyCode _moveRight = KeyCode.D;
public KeyCode _moveUp = KeyCode.E;
public KeyCode _moveDown = KeyCode.Q;
[Space]
public KeyCode _run = KeyCode.LeftShift;
public KeyCode _cursorLock = KeyCode.LeftAlt;
[Header("States")]
public bool _isActivated = true; // 활성화 플래그
public bool _isCursorVisible = true;
#endregion
/***********************************************************************
* Private Fields
***********************************************************************/
#region .
private Vector3 _moveDir;
private Vector3 _worldMoveDir;
private Vector2 _rotation;
private Transform _rig;
private float _deltaTime;
#endregion
/***********************************************************************
* Unity Events
***********************************************************************/
#region .
private void Awake()
{
InitRig();
InitTransform();
}
private void Update()
{
if(!_isActivated) return; // 기능 비활성화 상태에서는 모든 기능 정지
CursorLock();
if (_isCursorVisible) return; // 커서 보이는 상태에서는 이동, 회전 X
_deltaTime = Time.deltaTime;
GetInputs();
Rotate();
Move();
}
#endregion
/***********************************************************************
* Init Methods
***********************************************************************/
#region .
private void InitRig()
{
_rig = new GameObject("Free Look Camera Rig").transform;
_rig.position = transform.position;
_rig.localEulerAngles = new Vector3(0f, transform.localEulerAngles.y, 0f);
_rig.SetSiblingIndex(transform.GetSiblingIndex());
}
private void InitTransform()
{
transform.localEulerAngles = new Vector3(transform.localEulerAngles.x, transform.localEulerAngles.y, 0f);
transform.SetParent(_rig);
}
#endregion
/***********************************************************************
* Private Methods
***********************************************************************/
#region .
private void GetInputs()
{
// 1. Movement
_moveDir = new Vector3(0, 0, 0);
if (Input.GetKey(_moveForward)) _moveDir.z += 1f;
if (Input.GetKey(_moveBackward)) _moveDir.z -= 1f;
if (Input.GetKey(_moveRight)) _moveDir.x += 1f;
if (Input.GetKey(_moveLeft)) _moveDir.x -= 1f;
if (Input.GetKey(_moveUp)) _moveDir.y += 1f;
if (Input.GetKey(_moveDown)) _moveDir.y -= 1f;
if (Input.GetKey(_run))
{
_moveDir *= 2f;
}
// 가속/감속
if (_wheelAcceleration)
{
float wheel = Input.GetAxisRaw("Mouse ScrollWheel");
if (wheel != 0)
{
_moveSpeed += wheel * 10f;
if(_moveSpeed < 1f)
_moveSpeed = 1f;
}
}
// 2. Rotation
float mX = Input.GetAxisRaw("Mouse X");
float mY = -Input.GetAxisRaw("Mouse Y");
_rotation = new Vector2(mY, mX);
}
private void CursorLock()
{
if (Input.GetKeyDown(_cursorLock))
{
_isCursorVisible = !_isCursorVisible;
Cursor.lockState = !_isCursorVisible ? CursorLockMode.Locked : CursorLockMode.None;
Cursor.visible = _isCursorVisible;
}
}
private void Rotate()
{
if(_rotation == Vector2.zero) return;
float rotSpeed = _rotationSpeed * _deltaTime * 50f;
Vector3 trnEuler = transform.localEulerAngles;
Vector3 rigEuler = _rig.localEulerAngles;
// Rotate X(Up & Down)
float nextX = trnEuler.x + _rotation.x * rotSpeed;
if(nextX > 180f) nextX -= 360f;
nextX = Mathf.Clamp(nextX, -89.9f, 89.9f);
transform.localEulerAngles = new Vector3(nextX, trnEuler.y, trnEuler.z);
// Rotate Y(Left & Right)
float nextY = rigEuler.y + _rotation.y * rotSpeed;
_rig.localEulerAngles = new Vector3(rigEuler.x, nextY, rigEuler.z);
}
private void Move()
{
if(_moveDir == Vector3.zero) return;
_worldMoveDir = transform.TransformDirection(_moveDir);
_rig.Translate(_worldMoveDir * _moveSpeed * Time.deltaTime, Space.World);
}
#endregion
/***********************************************************************
* Public Methods
***********************************************************************/
#region .
/// <summary> 전체 기능 활성화/비활성화 </summary>
public void Activate(bool state)
{
_isActivated = state;
}
#endregion
}
}
|
