UGUI--背包系统之四--------Item

最新推荐文章于 2022-03-30 23:58:22 发布

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本文介绍了一个Unity中用于物品栏展示的UI组件实现细节，包括如何设置图标、更新数量显示及平滑缩放效果等。同时提供了增加、减少物品数量的方法，并实现了物品显示与隐藏的功能。

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
public class Item : MonoBehaviour
{
    public ItemBase itemBase { get; set; }
    public int Amount { get; set; }
    private Image image;
    private Image Image
    {
        get
        {
            if (image == null)
            {
                image = GetComponent<Image>();
            }
            return image;
        }
    }
    private Text text;
    private Text Text
    {
        get
        {
            if (text == null)
            {
                text = GetComponentInChildren<Text>();
            }
            return text;
        }
    }
    private float smoothing = 5;
    private float targetScale = 1;
    private Vector3 AnimScale = new Vector3(1.3f, 1.3f, 1.3f);

    void Update()
    {
        if (transform.localScale.x != targetScale)
        {
            float scale = Mathf.Lerp(transform.localScale.x, targetScale, smoothing * Time.deltaTime);
            transform.localScale = new Vector3(scale, scale, scale);
        }
    }

    public void SetIcon(ItemBase itemBase, int amount = 1)
    {
        transform.localScale = AnimScale;
        this.itemBase = itemBase;
        this.Amount = amount;
        //更新UI
        Image.sprite = Resources.Load<Sprite>("Items/" + itemBase.Icon);
        if (Amount > 1)
        Text.text = Amount.ToString();
        else
        Text.text = "";
    }

    #region 控制物品数量的方法
    public void AddAmount(int amount = 1)
    {
        transform.localScale = AnimScale;
        this.Amount += amount;
        Text.text = Amount.ToString();
    }
    public void ReduceAmount(int amount = 1)
    {
        transform.localScale = AnimScale;
        this.Amount -= amount;
        if (Amount > 1)
            Text.text = Amount.ToString();
        else
            Text.text = "";
    }
    public void SetAmount(int amount)
    {
        transform.localScale = AnimScale;
        this.Amount = amount;
        if (Amount > 1)
        Text.text = Amount.ToString();
        else
            Text.text = "";
    }
    #endregion

    #region  给pickItem用方法
    public void Show()
    {
        gameObject.SetActive(true);
    }
    public void Hide()
    {
        gameObject.SetActive(false);
    }
    public void SetLocalPostion(Vector3 pos)
    {
        transform.localPosition = pos;
    }
    #endregion
}