using UnityEngine;
public class DragModel : IDrag
{
    private Vector3 screenPoint;
    public int distance = 4;
    public override void Init()
    {
        Hide();
    }
    public override void Show()
    {
        gameObject.SetActive(true);
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        transform.position = ray.GetPoint(distance);
        screenPoint = Camera.main.WorldToScreenPoint(transform.position);
    }
    private void Update()
    {
        if (Input.GetMouseButton(0))
        {
            Vector3 curWorldPoint = Camera.main.ScreenToWorldPoint(new(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z));
            transform.position = curWorldPoint;
        }
        else
        {
            Hide();
        }
    }
    public override void Hide()
    {
        gameObject.SetActive(false);
    }
}