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

public class CameraController_20240419 : MonoBehaviour
{
    // private readonly float speed_move = 3.0f;
    // private readonly float speed_rota = 2.0f;

    // void MoveObjectFunc()
    // {
    //     float keyH = Input.GetAxis("Horizontal");
    //     float keyV = Input.GetAxis("Vertical");
    //     keyH = keyH * speed_move * Time.deltaTime;
    //     keyV = keyV * speed_move * Time.deltaTime;
    //     transform.Translate(Vector3.right * keyH);
    //     transform.Translate(Vector3.forward * keyV);
    //     float mouseX = Input.GetAxis("Mouse X");
    //     float mouseY = Input.GetAxis("Mouse Y");
    //     transform.Rotate(Vector3.up * speed_rota * mouseX);
    //     transform.Rotate(Vector3.left * speed_rota * mouseY);
    // }

    // // Use this for initialization
    // void Start()
    // {

    // }

    // // Update is called once per frame
    // void Update()
    // {
    //     MoveObjectFunc();
    // }
    public float rotateSpeed = 2.0f;
    public float limitAngle = 70.0f;

    private bool isRotate;
    private float mouseX;
    private float mouseY;

    public float scrollSpeed = 20000.0f;

    private void Start()
    {

    }

    private void Update()
    {

   
        if (Input.GetMouseButtonDown(0))
        {
            isRotate = true;
        }
        if (Input.GetMouseButtonUp(0))
        {
            isRotate = false;
        }

        if (isRotate)
        {
            Rotation();
        }
        else
        {
            Scroll();
        }
    }

    public void Rotation()
    {
        mouseX += Input.GetAxis("Mouse X") * rotateSpeed; // AxisX = Mouse Y
        mouseY = Mathf.Clamp(mouseY + Input.GetAxis("Mouse Y") * rotateSpeed, -limitAngle, limitAngle);
        transform.rotation = Quaternion.Euler(transform.rotation.x - mouseY, transform.rotation.y + mouseX, 0.0f);
    }

    public void Scroll()
    {
            float scroollWheel = Input.GetAxis("Mouse ScrollWheel");
            Vector3 cameraDirection = this.transform.localRotation * Vector3.forward;
            this.transform.position += cameraDirection * Time.deltaTime * scroollWheel * scrollSpeed;
    }
}