伴侣骑行

Assets/Scenes/Ride/Scripts/NearByFactory.cs

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+using Assets.Scenes.Ride.Scripts.Model;
+using Assets.Scripts;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+namespace Assets.Scenes.Ride.Scripts
+{
+    public class NearByFactory : MonoBehaviour
+    {
+        PlayerController playerController;
+        private GameObject nearByItem;
+        private GameObject nearByMajorItem;
+        private GameObject scroll;
+        GameObject body;
+
+        private int bufferSize = 0;
+        private int pageIndex = 1;
+        private int pageSize =7;
+
+        private int preNum = 0;//前面的数量
+        private int offset = 8;//显示区域的数量
+
+
+        private void Start()
+        {
+            playerController = FindObjectOfType<PlayerController>();
+            nearByItem = Resources.Load<GameObject>("UI/Prefab/Ride/NearbyItem");
+            nearByMajorItem = Resources.Load<GameObject>("UI/Prefab/Ride/NearbyMajorItem");
+            scroll = transform.parent.parent.gameObject;
+            if (scroll != null)
+            {
+                UIManager.AddEvent(scroll, UnityEngine.EventSystems.EventTriggerType.EndDrag, OnEndDrag);
+            }
+        }
+        float t =1f;
+        private void Update()
+        {
+            t -= Time.deltaTime;
+            while (t < 0)
+            {
+                Utils.DestroyChildren(transform);
+                var nearList = MapUDPService.GetNearRiderData(pageIndex, pageSize, new double[] { playerController.Nextlatlong.x, playerController.Nextlatlong.y });
+
+                for (int i = 0; i < nearList.Count(); i++)
+                {
+                    Create(nearList[i]);
+                }
+                t = 1;
+            }
+        }
+        private void OnEndDrag(BaseEventData arg0)
+        {
+            var scrollrect = scroll.GetComponent<ScrollRect>();
+            if (scrollrect.verticalNormalizedPosition <= 0)
+            {
+                Debug.Log(scrollrect.verticalNormalizedPosition);
+                pageIndex++;
+                //RefreshList();
+
+            }
+            if (scrollrect.verticalNormalizedPosition >= 1)
+            {
+                pageIndex--;
+                //RefreshList();
+            }
+        }
+
+        private void RefreshList()
+        {
+            var nearList = MapUDPService.GetNearRiderData(pageIndex, pageSize, new double[] { playerController.Nextlatlong.x, playerController.Nextlatlong.y });
+     
+            for (int i = 0; i < nearList.Count(); i++)
+            {
+                if (bufferSize < pageSize)
+                {
+                    Create(nearList[i]);
+                }
+                else
+                {
+                    UpdateItem(nearList[i],i);
+                }
+            }
+        }
+        private void Create(NearRiderModel item)
+        {
+            //创建
+            GameObject prefabItem = item.IsSelf ? nearByMajorItem : nearByItem;
+            GameObject newObj = (GameObject)Instantiate(prefabItem, transform);
+            var nearByItemscript = newObj.GetComponent<NearByItemScript>();
+            nearByItemscript.setUserId(item.Id);
+            nearByItemscript.setName(item.Name);
+            nearByItemscript.setRatio(item.KGWeight+"W/KG");
+            nearByItemscript.setSpeed(item.Speed.ToString() + "KM/H");
+            nearByItemscript.setHead(item.Headimage);
+            nearByItemscript.setCountry(item.CountryImg);
+            nearByItemscript.setDistance(item.Near.ToString() + "KM");
+            bufferSize++;
+        }
+
+        private void UpdateItem(NearRiderModel item,int index)
+        {
+            for (int i = 0; i < transform.childCount; i++)
+            {
+                var child = transform.GetChild(i);
+                if (child != null)
+                {
+                    NearByItemScript nearByItemscript = child.GetComponent<NearByItemScript>();
+                    if (nearByItemscript.UserId == item.Id)
+                    {
+                        nearByItemscript.setName(item.Name);
+                        nearByItemscript.setRatio(item.KGWeight + "W/KG");
+                        nearByItemscript.setSpeed(item.Speed.ToString() + "KM/H");
+                        //nearByItemscript.setHead(item.Headimage);
+                        //nearByItemscript.setCountry(item.CountryImg);
+                        nearByItemscript.setDistance(item.Near.ToString() + "KM");
+                        if (index != i)//重排序
+                        {
+                            child.SetSiblingIndex(index);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}