Unity3d 制作物品平滑运动

 

直接贴代码了

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using UnityEngine; using System; using System.Collections; using System; using DataTable;   public class ObjDropItem : ObjBase {     //类型     public override OBJ.TYPE GetObjType() { return OBJ.TYPE.DROPITEM; }       public const float MAXSPEED = 20;     enum State     {         Load,         Delay,         Droping,         StayOnGround,         Pickup,         FlyToPlayer,         Destory,     }       //外置表现参数     [Tooltip("飞到玩家身上那个高度位置")]     public float PlayerOffset = 1.4f;       [Tooltip("开启安全模式(TotalLifeTime秒后强制删除)")]     public bool SafeMode = true;       [Tooltip("存在最长时间(秒)")]     public float TotalLifeTime = 300;       [Tooltip("掉落都地上高度")]     public float DropHight = 0.5f;       [Tooltip("掉落都地上用时")]     public float DropTime = 0.3f;       [Tooltip("多长时间后出现")]     public float DelayTime = 0.5f;       [Tooltip("自动拾取距离")]     public float AutoPickUpDistance = 2.0f;       [Tooltip("在地上呆的时间")]     public float DropOverDelayTime = 0.2f;       [Tooltip("物品速度")]     [Range(0, 15)]     public float MoveSpeed = 10.0f;       [Tooltip("距离多少是已经飞到玩家身上")]     public float MaxDistance = 0.2f;       [Tooltip("控制点离我的直线距离")]     public float ControlPointOffsetDistance = 3.0f;       [Tooltip("控制点高度")]     public float ControlPointOffsetHeight = 2.0f;       [Tooltip("控制点速度,必须要大于物品速度")]     [Range(15, 25)]     public float ControlPointSpeed = 15.0f;       [Tooltip("速度增量")][Range(0,2)]     public float AccSpeed = 0.1f;         DropItemController mController;       //状态     private State mState = State.Load;       //生命时间     private DateTime mLifeTime = DateTime.Now;       //是否可以自动拾取     private bool mCanAutoPickup = false;       //拥有者id     private bool mOwnerIsMe;       //拥有者拾取保护时间     private DateTime mOwnerPickUpProtectionTime;       //飞往目标点（也就是服务端实际坐标）     private Vector3 mTargetPos;       //控制点     private Vector3 mControlPoint;     //控制点     private bool mControlPointReached;     //控制点速度     private float mControlPointMoveSpeed;       //移动速度     private float mMoveSpeed;       public virtual void Awake()     { #if !UNITY_EDITOR try { #endif           base.Awake();           #if !UNITY_EDITOR } catch (Exception ex) {     Logger.Error(ex.ToString()); } #endif     }       //重置     public override void Reset()     {         base.Reset();         mState = State.Load;         mLifeTime = DateTime.Now.AddSeconds(TotalLifeTime);         mCanAutoPickup = false;         mOwnerPickUpProtectionTime = DateTime.Now;               }       //初始化     public override bool Init(InitBaseData initData, Action callback = null)     {         base.Init(initData);           Reset();           InitDropItemData data = initData as InitDropItemData;           mOwnerIsMe = false;         mCanAutoPickup = false;         var player = ObjManager.Instance.MyPlayer;         if (player)         {             if (player.GetObjId() == data.Owner)             {                 mOwnerIsMe = true;                 mCanAutoPickup = true;             }         }         mOwnerPickUpProtectionTime = DateTime.Now.AddSeconds(data.RemianSeconds);         mLifeTime = DateTime.Now.AddSeconds(TotalLifeTime);           float height = GameLogic.Instance.Scene.GetTerrainHeight(data.TargetPos) + 0.1f;         mTargetPos = new Vector3(data.TargetPos.x, height, data.TargetPos.y);           LoadRes(() =>         {             if (true != data.PlayDrop)             {//需要播放掉落动画                 Position = mTargetPos;                 mState = State.StayOnGround;             }             else             {//不需要播放掉落动画                 this.StartCoroutine(Delay());                 mState = State.Delay;             }               if (null != callback)                 callback();               mController = mModel.GetComponent<DropItemController>();             if (null != mController)             {                 mController.ShowModel(true);                 mController.ShowEffect(false);             }         });           return true;     }       //是否可以被拾取     public bool CanPickup()     {         if (State.StayOnGround != mState &&             State.Pickup != mState)         {//只有停留在地上这种状态才能被拾取             return false;         }                       if (DateTime.Now<mOwnerPickUpProtectionTime)         {//当前时间在拥有者保护时间内             return mOwnerIsMe;         }         else         {//过了拥有者保护时间谁都可以拾取             return true;         }     }       void Update () { #if !UNITY_EDITOR try { #endif         if (true==SafeMode)         {             if (DateTime.Now > mLifeTime)             {//为了安全，怎么也该消失了                 Logger.Warn("Drop item[{0}] stays too long", mObjId);                 mState = State.Destory;                 if (ObjManager.Instance.FindObjById(mObjId).Equals(this))                 {                     ObjManager.Instance.RemoveObj(mObjId);                 }                 else                 {                     base.Destroy();                 }                 return;             }         }                     var player = ObjManager.Instance.MyPlayer;         if (null == player)             return;           if (State.StayOnGround == mState)         {//停在地上             if (CanPickup() && mCanAutoPickup)             {//可以自动拾取                 float distance = Vector2.Distance(player.Position.xz(), Position.xz());                 if (distance <= AutoPickUpDistance)                 {//距离足够近                     var control = UIManager.Instance.GetController(UIConfig.SettingUI);                     if ((bool)control.CallFromOtherClass("CanPiackUpItem", new object[] { mDataId }))                     {//是否可拾取这种类型物品                         Pickup();                     }                     mCanAutoPickup = false;                 }             }         }         else if (State.FlyToPlayer == mState)         {//我拾取成功，物品正在往我身上飞             var delta = Time.deltaTime;               var temp = player.Position;             temp.y += PlayerOffset;             //控制点朝着主角飞             if(!mControlPointReached)             {                 float distance = Vector2.Distance(temp, mControlPoint);                 if (distance <= MaxDistance)                 {//当前已经飞到了                     mControlPointReached = true;                 }                 else                 {                     mControlPointMoveSpeed += delta * AccSpeed;                     mControlPointMoveSpeed = Math.Min(mControlPointMoveSpeed, MAXSPEED);                     float moveDis = mControlPointMoveSpeed * delta;                     if (moveDis >= distance)                     {//这一步就飞到了                         mControlPointReached = true;                     }                     else                     {//继续移动                         var controlPointDir = (temp - mControlPoint).normalized;                         mControlPoint += controlPointDir * moveDis;                     }                 }             }               if (mControlPointReached)             {                 mControlPoint = temp;             }                                           {//自己朝着控制点飞                 float dis = Vector3.Distance(mControlPoint, Position);                   if (dis <= MaxDistance && mControlPointReached)                 {                     mState = State.Destory;                     Destroy();                     return;                 }                 else                 {                     mMoveSpeed += AccSpeed * delta;                     mMoveSpeed = Math.Min(mMoveSpeed, MAXSPEED);                     float moveDis = mMoveSpeed * delta;                     if(moveDis>=dis)                     {                         Position = mControlPoint;                         if (mControlPointReached)                         {                             mState = State.Destory;                             Destroy();                             return;                         }                     }                     else                     {                         var dir = (mControlPoint - Position).normalized;                         Position = Position + dir * moveDis;                     }                 }             }               }         #if !UNITY_EDITOR } catch (Exception ex) {     Logger.Error(ex.ToString()); } #endif }       //拾取     public void Pickup()     {         if(CanPickup())         {             NetManager.Instance.SendPickUpItemRequest(GetObjId());             mState = State.Pickup;         }         mCanAutoPickup = false;     }       protected virtual void LoadRes(Action callback = null)     {         string prafabPath = "";           var table = Table.GetItemBase(mDataId);         if(null==table)         {             Logger.Error("NULL==Table.GetItemBase({0})", mDataId);         }         else         {             var tableDrop = Table.GetDropModel(table.DropModel);             if (null == tableDrop)             {                 Logger.Error("NULL==Table.GetDropModel({0})", table.DropModel);             }             else             {                 prafabPath = tableDrop.ModelPath;             }         }           if ("" == prafabPath)         {             Logger.Error("null==prafabPath)");             return;         }           UniqueResourceId = GetNextUniqueResourceId();         var resId = UniqueResourceId;         ComplexObjectPool.NewObject(prafabPath, model =>         {             if (resId != UniqueResourceId)             {                 return;             }             SetModel(model);             //SetScale((float)tableDrop.aScale); 这个缩放放到prefab上               if (null != callback)             {                 callback();             }                    });     }       void PlayDropSound()     {         var table = Table.GetItemBase(mDataId);         if (null != table)         {             var tableDrop = Table.GetDropModel(table.DropModel);             if (null != tableDrop)             {                 SoundManager.Instance.PlaySoundEffect(tableDrop.SoundId);             }         }     }     IEnumerator Delay()     {         mState = State.Delay;           var renderers = mModel.GetComponentsInChildren<Renderer>();         foreach (var renderer in renderers)         {             renderer.enabled = false;         }           yield return new WaitForSeconds(DelayTime);           foreach (var renderer in renderers)         {             renderer.enabled = true;         }             DropToTargetPos();     }       void DropToTargetPos()     {         mState = State.Droping;           Vector3[] paths=new Vector3[3];         paths[0] = Position;         paths[1] = (mTargetPos+Position)/2;         paths[1].y = Position.y + DropHight;         paths[2] = mTargetPos;           iTween.MoveTo(gameObject, iTween.Hash("path", paths, "movetopath", true, "orienttopath", false, "time", DropTime, "easetype", iTween.EaseType.linear, "oncomplete", "DropOver"));       }       void DropOver()     {         this.StartCoroutine(DropOverStay());     }       IEnumerator DropOverStay()     {         yield return new WaitForSeconds(DropOverDelayTime);         mState = State.StayOnGround;         PlayDropSound();     }         public override void Destroy()     {         if(State.FlyToPlayer==mState)         {             return;         }           base.Destroy();     }       public void FlyToPlayer()     {         if (null != mController)         {             mController.ShowModel(false);             mController.ShowEffect(true);         }         var myPos = ObjManager.Instance.MyPlayer.Position;         var dir = (Position-myPos).normalized;           mControlPoint = Position + dir * ControlPointOffsetDistance;         mControlPoint.y += ControlPointOffsetHeight;         mControlPointMoveSpeed = ControlPointSpeed;         mMoveSpeed = MoveSpeed;         mControlPointReached = false;           mState=State.FlyToPlayer;     }   }