yichael_smartbow/Assets/BowArrow/Scripts/Game/CrossHairOutBoundChecker.cs

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

public class CrossHairOutBoundChecker : MonoBehaviour
{
    [SerializeField] GameObject outTip;
    string[] tips = null;
    int tipIndex = -1;

    void Start() {
        tips = new string[]{
            TextAutoLanguage2.GetTextByKey("game_crosshair_outbound_0"),
            TextAutoLanguage2.GetTextByKey("game_crosshair_outbound_1"),
            TextAutoLanguage2.GetTextByKey("game_crosshair_outbound_2"),
            TextAutoLanguage2.GetTextByKey("game_crosshair_outbound_3"),
        };
    }

    void Update()
    {
        int newTipIndex = -1;
        if (BowCamera.ins && BowCamera.ins.bowCameraFixed != null) {
            newTipIndex = BowCamera.ins.bowCameraFixed.outBoundIndex;
        }
        if (newTipIndex != tipIndex) {
            tipIndex = newTipIndex;
            if (tipIndex >= 0) {
                outTip.GetComponent<Text>().text = tips[tipIndex];
            }
        }
        if (newTipIndex >= 0) {
            if (!outTip.activeSelf) outTip.SetActive(true);
        } else {
            if (outTip.activeSelf) outTip.SetActive(false);
        }
    }
}