SandTraySystem_HZ_RMYY_danji/Assets/Scripts/GameObjectCtrl/ScaleControl.cs

using UnityEngine;

public class ScaleControl : MonoBehaviour
{

    bool flag;
    private Ray ray;
    private RaycastHit hit;
    public float speed = 5f;


    void Update()
    {
        //左击取消
        ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        if (Physics.Raycast(ray, out hit, Mathf.Infinity) && Input.GetMouseButtonDown(0))
        {
            if (hit.transform.name == this.name)
                return;
            flag = false;
        }
        if (flag)
        {
            if (Input.GetKey(KeyCode.Equals) && transform.localScale.x < 10f)
            {
                transform.localScale = new Vector3(transform.localScale.x + Time.deltaTime * speed, transform.localScale.y, transform.localScale.z + Time.deltaTime * speed);
            }
            if (Input.GetKey(KeyCode.Minus))
            {

                if (transform.localScale.x > 1f)
                {
                    transform.localScale = new Vector3(transform.localScale.x - Time.deltaTime * speed, transform.localScale.y, transform.localScale.z - Time.deltaTime * speed);
                }

            }
        }
    }

    void OnMouseDown()
    {
        flag = true;
    }
}