[UnityUI]UGUI背包

来源：互联网发布：nba常规赛数据编辑：程序博客网时间：2024/05/19 03:18

参考链接：

http://www.manew.com/thread-39589-1-1.html

http://www.manew.com/thread-89881-1-1.html

http://www.manew.com/thread-90065-1-1.html

效果图：

using UnityEngine;using System.Collections;using UnityEngine.UI;using System.Collections.Generic;[RequireComponent(typeof(GridLayoutGroup))]public class Bag : MonoBehaviour {    private List<Transform> gridList = new List<Transform>();    private string gridPrefabName = "Prefab/Grid";    private string itemPrefabName = "Prefab/Item";    private int column = 5;    private int row = 3;void Awake ()     {        for (int i = 0; i < row; i++)        {            for (int j = 0; j < column; j++)            {                GameObject go = Instantiate(Resources.Load(gridPrefabName)) as GameObject;                go.transform.SetParent(transform, false);                gridList.Add(go.transform);            }        }}    //添加物品    public void AddItem(string itemName, int count = 1)    {        //如果有相同的物品，则只是更改包里该物品的数量；否则实例化该物品，改数量        bool hasSameItem = false;        for (int i = 0; i < gridList.Count; i++)        {            //如果有物品            if(gridList[i].childCount > 0)            {                Transform tra = gridList[i].GetChild(0);                //如果有该物品                string name = itemName.Substring(itemName.LastIndexOf('/') + 1);                if (tra.GetComponent<Image>().sprite.name.Equals(name))                {                    hasSameItem = true;                    ModifyCount(tra.GetChild(0).GetComponent<Text>(), count);                    break;                }            }        }        if(!hasSameItem)        {            for (int i = 0; i < gridList.Count; i++)            {                if(gridList[i].childCount == 0)                {                    GameObject go = Instantiate(Resources.Load(itemPrefabName)) as GameObject;                    go.GetComponent<Image>().sprite = Resources.Load<Sprite>(itemName);                    go.transform.SetParent(gridList[i], false);                    ModifyCount(go.transform.GetChild(0).GetComponent<Text>(), count);                    break;                }            }        }    }    private void ModifyCount(Text text, int count)    {        int temp = int.Parse(text.text);        temp += count;        text.text = temp.ToString();    }    //整理    public void Tidy()    {        List<Transform> tempList = new List<Transform>();        for (int i = 0; i < gridList.Count; i++)        {            if (gridList[i].childCount > 0) tempList.Add(gridList[i].GetChild(0));        }        for (int i = 0; i < tempList.Count; i++)        {            tempList[i].SetParent(gridList[i]);            tempList[i].position = gridList[i].position;        }    }}

using UnityEngine;using System.Collections;using UnityEngine.UI;using UnityEngine.EventSystems;//ICanvasRaycastFilter可以控制射线是否穿透物品，也可以使用CanvasGroup的blocksRaycastspublic class Item : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler, ICanvasRaycastFilter {    private static Transform canvasTra;    private Transform nowParent;//一般来说，物品是格子的子物体，nowParent记录的是当前物品属于哪个格子    private bool isRaycastLocationValid = true;//默认射线不能穿透物品    public void OnBeginDrag(PointerEventData eventData)    {        if (canvasTra == null) canvasTra = GameObject.Find("Canvas").transform;        nowParent = transform.parent;        transform.SetParent(canvasTra);//将当前拖拽的物品置前        isRaycastLocationValid = false;    }    public void OnDrag(PointerEventData eventData)    {        transform.position = Input.mousePosition;    }    public void OnEndDrag(PointerEventData eventData)    {        GameObject go = eventData.pointerCurrentRaycast.gameObject;        if (go != null)        {            Debug.Log(go.name);            if (go.tag.Equals("Grid"))//放置到空格子            {                SetParentAndPosition(transform, go.transform);            }            else if (go.tag.Equals("Item"))//交换位置，注意可能需要把物品下的子物体的Raycast Target关掉            {                SetParentAndPosition(transform, go.transform.parent);                SetParentAndPosition(go.transform, nowParent);            }            else            {                SetParentAndPosition(transform, nowParent);            }        }        else        {            SetParentAndPosition(transform, nowParent);        }        isRaycastLocationValid = true;    }    private void SetParentAndPosition(Transform child, Transform parent)    {        child.SetParent(parent);        child.position = parent.position;    }    public bool IsRaycastLocationValid(Vector2 sp, Camera eventCamera)    {        return isRaycastLocationValid;    }}

using UnityEngine;using System.Collections;public class TestBag : MonoBehaviour {    public Bag bag;void Start ()     {}void Update ()     {        if (Input.GetKeyDown(KeyCode.Q)) bag.AddItem("Sprite/a" + Random.Range(1, 5));        if (Input.GetKeyDown(KeyCode.W)) bag.Tidy();}}

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