【制作100个unity游戏之23】实现类似七日杀、森林一样的生存游戏5（附项目源码）

public Image centerDotlmage;//中心圆点
public Image handlcon;//手图标

void Update()
{
    Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition); // 从鼠标位置创建射线
    RaycastHit hit;

    if (Physics.Raycast(ray, out hit, maxDistance, layerMask)) // 检测射线是否击中物体
    {
        var selectionTransform = hit.transform;

        if (selectionTransform.GetComponent<InteractableObject>())
        {
            //。。。

            
            if(selectionTransform.GetComponent<InteractableObject>().isPickUp){
                centerDotlmage.gameObject.SetActive(false);
                handlcon.gameObject.SetActive(true);
            }
        }
    }
    else
    {
        interactionInfoUI.SetActive(false); // 鼠标未点击任何物体，隐藏交互信息UI

        centerDotlmage.gameObject.SetActive(true);
        handlcon.gameObject.SetActive(false);
    }
}

[Header("拾取弹窗信息")]
public GameObject pickupAlert;
public TextMeshProUGUI pickupName;
public Image pickuplmage;

//添加物品
public void AddToInventory(string itemName)
{
    // .。。

    TriggerPickupPopUp(itemName, itemToAdd.GetComponent<Image>().sprite);
}

//拾取弹窗信息
void TriggerPickupPopUp(string itemName, Sprite itemSprite)
{
    pickupAlert.SetActive(true);
    pickupName.text = itemName;
    pickuplmage.sprite = itemSprite;

    CancelInvoke("ClosePickupAlert");
    Invoke("ClosePickupAlert", 3f);
}

void ClosePickupAlert()
{
    pickupAlert.SetActive(false);
}