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

public class CameraMove : MonoBehaviour
{  
    [Header("平移速度")]
    [SerializeField]private float speed = 2f;
    [Header("限制范围")]
    [SerializeField] private Vector2 RangeX, RangeY, RangeZ;
    [Header("鼠标输入方式")]
    public Mouse mouse;
    public MouseMoveY mouseMoveY;
    [Header("鼠标移动到边缘的差值")]
    [SerializeField] private float mouseOffset = 0.01f;
    [Header("鼠标Y轴移动速度")]
    [SerializeField] private float MouseOffsetY;
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {

       
        CameraTranslate();
        CameraYmove();

    }
    /// <summary>
    /// 鼠标移动控制Y轴
    /// </summary>
    public void CameraYmove()
    {

        if (mouseMoveY==MouseMoveY.边界判断)
        {
            Vector3 v1 = Camera.main.ScreenToViewportPoint(Input.mousePosition);
            if (v1.y >= 1 - mouseOffset)
            {
                transform.Translate(Vector3.up * MouseOffsetY * Time.deltaTime*speed);
            }
            if (v1.y <= mouseOffset)
            {
                transform.Translate(Vector3.up * -MouseOffsetY * Time.deltaTime*speed);

            }

        }

        if (Input.GetMouseButton((int)mouse) && mouseMoveY == MouseMoveY.按下判断)
        {
            float mouseY = Input.GetAxis("Mouse Y");
            transform.Translate(0, mouseY * speed * Time.deltaTime, 0);
         
        }
     
        float CameraY = Mathf.Clamp(transform.position.y, RangeY.x, RangeY.y);

        if (transform.position.y >= RangeY.x || transform.position.y <= RangeY.y)
        {
             transform.position = new Vector3(transform.position.x, CameraY, transform.position.z);
        }

    }
    /// <summary>
    /// 摄像机平移
    /// </summary>
    public void CameraTranslate()
    {
        float CameraX = Mathf.Clamp(transform.position.x, RangeX.x, RangeX.y);
        float CameraZ = Mathf.Clamp(transform.position.z, RangeZ.x, RangeZ.y);
        if (CameraX >= RangeX.x || CameraX <= RangeX.y)
        {
            transform.position = new Vector3(CameraX, transform.position.y, transform.position.z);
        }
        if (CameraZ >= RangeZ.x || CameraZ <= RangeX.y)
        {
            transform.position = new Vector3(transform.position.x, transform.position.y, CameraZ);
        }
        float horizontal = Input.GetAxis("Horizontal");
        float vetical = Input.GetAxis("Vertical");
        transform.Translate(horizontal * speed * Time.deltaTime, 0, vetical * speed * Time.deltaTime);
       
    }

}