Project_PrincipleOverview_G_YunNan_2025/ModeDisplay/Assets/Scripts/OperatingPrinciple/电弧/ImageMove.cs

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

public class ImageMove : MonoBehaviour
{
    public Image targetImage;       // 要移动的 UI Image
    public float speed = 100f;      // 移动速度（像素/秒）
    public float leftLimit = -200f; // 左边界相对初始位置
    public float rightLimit = 200f; // 右边界相对初始位置

    private RectTransform rectTransform;
    private Vector3 initialPosition;
    private int direction = 1; // 1表示向右，-1表示向左

    void Start()
    {
        if (targetImage == null)
        {
            Debug.LogError("请在 Inspector 中绑定 Image！");
            return;
        }

        rectTransform = targetImage.GetComponent<RectTransform>();
        initialPosition = rectTransform.anchoredPosition;
    }

    void Update()
    {
        if (targetImage == null) return;

        // 移动
        rectTransform.anchoredPosition += new Vector2(direction * speed * Time.deltaTime, 0);

        // 检查边界，反转方向
        if (rectTransform.anchoredPosition.x > initialPosition.x + rightLimit)
        {
            rectTransform.anchoredPosition = new Vector2(initialPosition.x + rightLimit, rectTransform.anchoredPosition.y);
            direction = -1; // 向左
        }
        else if (rectTransform.anchoredPosition.x < initialPosition.x + leftLimit)
        {
            rectTransform.anchoredPosition = new Vector2(initialPosition.x + leftLimit, rectTransform.anchoredPosition.y);
            direction = 1; // 向右
        }
    }
}