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先来看看最终效果

前言

当今大多数游戏都拥有一些形式的Buff系统，利用这种系统可以增强或削弱游戏角色的特定属性。在Unity中，我们可以使用脚本轻松地创建这样的Buff系统。

在本教程中，我们将探索如何实现一种基本的Buff系统，其中包括对游戏中的玩家或敌对角色施加各种不同类型的Buff。我们还将学习如何设置时间限制和叠加限制，以及如何实现Buff效果的应用和移除。

通过本教程，您将学习如何在Unity中创建一个完整的Buff系统，为您的游戏增加全新的深度和策略性。

开始

新增脚本PlayerController，添加玩家血量和攻击力变量，并实时显示

public class PlayerController : MonoBehaviour
{[Header("生命值")]public float HP;[Header("攻击力")]public float AD;public TextMeshProUGUI HPText;public TextMeshProUGUI ADText;private void Update(){HPText.text = $"生命值：{HP}";ADText.text = $"攻击力：{AD}";}
}

效果

绘制BUFF显示界面
状态栏

遮罩

最终效果

BUFF系统

定义BUFF类型枚举

public enum BuffType
{/// <summary>/// 正面buff/// </summary>Buff,/// <summary>/// 负面buff/// </summary>Debuff,/// <summary>/// 没有buff/// </summary>None,
}

BUFF冲突方式枚举类型

/// <summary>
/// 当两个不同单位向同一个单位施加同一个buff时的冲突处理
/// </summary>
public enum ConflictResolution
{/// <summary>/// 合并为一个buff，叠层（提高等级）/// </summary>combine,/// <summary>/// 独立存在/// </summary>separate,/// <summary>/// 覆盖，后者覆盖前者/// </summary>cover,
}

新建BuffBase，Buff系统中的基类

public class BuffBase
{private GameObject m_Owner;private string m_Provider = "";private float m_MaxDuration = 3;private float m_TimeScale = 1;private int m_MaxLevel = 1;private BuffType m_BuffType = BuffType.None;private ConflictResolution m_ConflictResolution = ConflictResolution.cover;private bool m_Dispellable = true;private string m_Name = "默认名称";private string m_Description = "这个Buff没有介绍";private int m_Demotion = 1;private string m_IconPath = "";private int m_CurrentLevel = 0;private float m_ResidualDuration = 3;private bool m_Initialized = false;/// <summary>/// 此buff的持有者/// </summary>public GameObject Owner{get { return m_Owner; }protected set { m_Owner = value; }}/// <summary>/// 此Buff的提供者/// </summary>public string Provider{get { return m_Provider; }protected set { m_Provider = value; }}/// <summary>/// Buff的初始持续时间/// </summary>public float MaxDuration{get { return m_MaxDuration; }protected set { m_MaxDuration = Math.Clamp(value, 0, float.MaxValue); }}/// <summary>/// buff的时间流失速度，最小为0，最大为10。/// </summary>public float TimeScale{get { return m_TimeScale; }set { m_TimeScale = Math.Clamp(value, 0, 10); }}/// <summary>/// buff的最大堆叠层数，最小为1，最大为2147483647/// </summary>public int MaxLevel{get { return m_MaxLevel; }protected set { m_MaxLevel = Math.Clamp(value, 1, int.MaxValue); }}/// <summary>/// Buff的类型，分为正面、负面、中立三种/// </summary>public BuffType BuffType{get { return m_BuffType; }protected set { m_BuffType = value; }}/// <summary>/// 当两个不同单位向同一个单位施加同一个buff时的冲突处理/// 分为三种：/// combine,合并为一个buff，叠层（提高等级）///  separate,独立存在///   cover, 覆盖，后者覆盖前者/// </summary>public ConflictResolution ConflictResolution{get { return m_ConflictResolution; }protected set { m_ConflictResolution = value; }}/// <summary>/// 可否被驱散/// </summary>public bool Dispellable{get { return m_Dispellable; }protected set { m_Dispellable = value; }}/// <summary>/// Buff对外显示的名称/// </summary>public string Name{get { return m_Name; }protected set { m_Name = value; }}/// <summary>/// Buff的介绍文本/// </summary>public string Description{get { return m_Description; }protected set { m_Description = value; }}/// <summary>/// 图标资源的路径/// </summary>public string IconPath{get { return m_IconPath; }protected set { m_IconPath = value; }}/// <summary>/// 每次Buff持续时间结束时降低的等级，一般降低1级或者降低为0级。/// </summary>public int Demotion{get { return m_Demotion; }protected set { m_Demotion = Math.Clamp(value, 0, MaxLevel); }}/// <summary>/// Buff的当前等级/// </summary>public int CurrentLevel{get { return m_CurrentLevel; }set{//计算出改变值int change = Math.Clamp(value, 0, MaxLevel) - m_CurrentLevel;OnLevelChange(change);m_CurrentLevel += change;}}/// <summary>/// Buff的当前剩余时间/// </summary>public float ResidualDuration{get { return m_ResidualDuration; }set { m_ResidualDuration = Math.Clamp(value, 0, float.MaxValue); }}/// <summary>/// 当Owner获得此buff时触发/// 由BuffManager在合适的时候调用/// </summary>public virtual void OnGet() { }/// <summary>/// 当Owner失去此buff时触发/// 由BuffManager在合适的时候调用/// </summary>public virtual void OnLost() { }/// <summary>/// Update,由BuffManager每物理帧调用/// </summary>public virtual void FixedUpdate() { }/// <summary>/// 当等级改变时调用/// </summary>/// <param name="change">改变了多少级</param>protected virtual void OnLevelChange(int change) { }/// <summary>/// 初始化/// </summary>/// <param name="owner"></param>/// <param name="provider"></param>/// <exception cref="Exception"></exception>public virtual void Initialize(GameObject owner, string provider){if (m_Initialized){throw new Exception("不能对已经初始化的buff再次初始化");}if (owner == null || provider == null){throw new Exception("初始化值不能为空");}Owner = owner;Provider = provider;m_Initialized = true;}
}

新建ShowBuff，控制BUFF的显示

public class ShowBuff : MonoBehaviour
{[SerializeField, Header("Buff项预制体")]private GameObject m_BuffItemTemplate;[SerializeField, Header("对象池")]private GameObject m_Pool;[SerializeField, Header("Buff项父物体")]private GameObject m_Buffs;[SerializeField, Header("与Buff相关联的游戏对象")]private PlayerController m_Hero;private ObjectPool<UI_BuffItem> m_BuffItemPool;// Buff项对象池// Buff项对象池的创建函数，用于实例化Buff项private UI_BuffItem Pool_CreateFunc(){return Instantiate(m_BuffItemTemplate, this.transform).GetComponent<UI_BuffItem>();}// Buff项对象池的获取时回调，用于激活对象并设置父物体private void Pool_ActionOnGet(UI_BuffItem UI_BuffItem){UI_BuffItem.gameObject.SetActive(true);UI_BuffItem.transform.SetParent(m_Buffs.transform);}// Buff项对象池的回收时回调，用于隐藏对象并设置父物体private void Pool_ActionOnRelease(UI_BuffItem UI_BuffItem){UI_BuffItem.gameObject.SetActive(false);UI_BuffItem.transform.SetParent(m_Pool.transform);}// Buff项对象池的销毁时回调，用于销毁对象private void Pool_ActionOnDestroy(UI_BuffItem UI_BuffItem){Destroy(UI_BuffItem.gameObject);}// Buff监听器，当有新的Buff时调用ShowBuffCore方法private void BuffListener(BuffBase newBuff){ShowBuffCore(newBuff);}private void ShowBuffCore(BuffBase buff){m_BuffItemPool.Get().Initialize(buff, m_BuffItemPool);}private void Awake(){m_BuffItemPool = new ObjectPool<UI_BuffItem>(Pool_CreateFunc,Pool_ActionOnGet,Pool_ActionOnRelease,Pool_ActionOnDestroy,true,100,10000);// 遍历BuffManager中与m_Hero关联的所有Buff，并调用ShowBuffCore方法显示它们foreach (BuffBase item in BuffManager.Instance.StartObserving(m_Hero.gameObject, BuffListener)){ShowBuffCore(item);}}}

挂载脚本并配置参数

新增UI_BuffItem，控制Buff信息UI显示

public class UI_BuffItem : MonoBehaviour
{[SerializeField, Header("遮罩层")]private Image m_Mask_M;[SerializeField, Header("等级文本")]private TextMeshProUGUI m_Level;[SerializeField, Header("边框")]private Image m_Frame;[SerializeField, Header("图标")]private Image m_Icon;[Space][Header("Buff详情")][SerializeField, Header("详情弹窗")]private GameObject m_BuffInfo;[SerializeField, Header("Buff名称文本")]private TextMeshProUGUI m_BuffName;[SerializeField, Header("Buff描述文本")]private TextMeshProUGUI m_Description;[SerializeField, Header("Buff来源文本")]private TextMeshProUGUI m_Provider;private ObjectPool<UI_BuffItem> m_RecyclePool;private bool m_Initialized = false;// 是否已经初始化private bool m_NeedNumber = false;// 是否需要显示等级private bool m_NeedLine = false;// 是否需要显示计时工具private BuffBase m_TargetBuff;public void OnPointerEnter(){m_BuffInfo.gameObject.SetActive(true);ShowInfo(m_TargetBuff);}// 显示Buff详细信息public void ShowInfo(BuffBase buff){m_BuffName.text = buff.Name;m_Description.text = buff.Description;m_Provider.text = "来自：" + buff.Provider;}public void OnPointerExit(){m_BuffInfo.gameObject.SetActive(false);}public void Initialize(BuffBase buff, ObjectPool<UI_BuffItem> recyclePool){m_Icon.sprite = Resources.Load<Sprite>(buff.IconPath);m_TargetBuff = buff;m_RecyclePool = recyclePool;if (m_TargetBuff.MaxLevel > 1){m_NeedNumber = true;m_Level.gameObject.SetActive(true);}else{m_NeedNumber = false;m_Level.gameObject.SetActive(false);}if (m_TargetBuff.TimeScale > 0){m_NeedLine = true;m_Mask_M.gameObject.SetActive(true);}else{m_NeedLine = false;m_Mask_M.gameObject.SetActive(false);}switch (buff.BuffType){case BuffType.Buff:m_Frame.color = Color.green;break;case BuffType.Debuff:m_Frame.color = Color.red;break;case BuffType.None:m_Frame.color = Color.white;break;default:break;}m_Initialized = true;}private void Update(){if (m_Initialized){//需要显示计时工具才显示if (m_NeedLine){m_Mask_M.fillAmount = 1 - (m_TargetBuff.ResidualDuration / m_TargetBuff.MaxDuration);}//需要显示等级才显示if (m_NeedNumber){m_Level.text = m_TargetBuff.CurrentLevel.ToString();}//如果当前等级等于零说明他已经被废弃了，所以就可以回收了if (m_TargetBuff.CurrentLevel == 0 ){m_RecyclePool.Release(this);}}}
}

绑定脚本，配置参数并添加鼠标移入移出事件

新增ShowBuff，控制BUFFBuff的显示

public class ShowBuff : MonoBehaviour
{[SerializeField, Header("Buff项预制体")]private GameObject m_BuffItemTemplate;[SerializeField, Header("对象池")]private GameObject m_Pool;[SerializeField, Header("Buff项父物体")]private GameObject m_Buffs;[SerializeField, Header("与Buff相关联的游戏对象")]private PlayerController m_Hero;private ObjectPool<UI_BuffItem> m_BuffItemPool;// Buff项对象池// Buff项对象池的创建函数，用于实例化Buff项private UI_BuffItem Pool_CreateFunc(){return Instantiate(m_BuffItemTemplate, this.transform).GetComponent<UI_BuffItem>();}// Buff项对象池的获取时回调，用于激活对象并设置父物体private void Pool_ActionOnGet(UI_BuffItem UI_BuffItem){UI_BuffItem.gameObject.SetActive(true);UI_BuffItem.transform.SetParent(m_Buffs.transform);}// Buff项对象池的回收时回调，用于隐藏对象并设置父物体private void Pool_ActionOnRelease(UI_BuffItem UI_BuffItem){UI_BuffItem.gameObject.SetActive(false);UI_BuffItem.transform.SetParent(m_Pool.transform);}// Buff项对象池的销毁时回调，用于销毁对象private void Pool_ActionOnDestroy(UI_BuffItem UI_BuffItem){Destroy(UI_BuffItem.gameObject);}// Buff监听器，当有新的Buff时调用ShowBuffCore方法private void BuffListener(BuffBase newBuff){ShowBuffCore(newBuff);}private void ShowBuffCore(BuffBase buff){m_BuffItemPool.Get().Initialize(buff, m_BuffItemPool);}private void Awake(){m_BuffItemPool = new ObjectPool<UI_BuffItem>(Pool_CreateFunc,Pool_ActionOnGet,Pool_ActionOnRelease,Pool_ActionOnDestroy,true,100,10000);// 遍历BuffManager中与m_Hero关联的所有Buff，并调用ShowBuffCore方法显示它们foreach (BuffBase item in BuffManager.Instance.StartObserving(m_Hero.gameObject, BuffListener)){ShowBuffCore(item);}}
}

挂载脚本，配置参数

新增BuffManager，BUFF管理类

public class BuffManager : MonoBehaviour
{/// <summary>/// 固定时间更新的更新频率，此值不宜过高，可以过低（会增加性能消耗）。/// </summary>public const float FixedDeltaTime = 0.1f;#region 单例private static BuffManager m_Instance;public static BuffManager Instance{get{if (m_Instance == null){GameObject l_GameObject = new GameObject("Buff Manager");m_Instance = l_GameObject.AddComponent<BuffManager>();DontDestroyOnLoad(l_GameObject);}return m_Instance;}}#endregion/// <summary>/// 存储了所有的buff，key为buff持有者，value为他所持有的所有buff。/// </summary>private Dictionary<GameObject, List<BuffBase>> m_BuffDictionary = new Dictionary<GameObject, List<BuffBase>>(25);private Dictionary<GameObject, Action<BuffBase>> m_ObserverDicitinary = new Dictionary<GameObject, Action<BuffBase>>(25);#region Public方法/// <summary>/// 返回要观察的对象现有的buff，并且在对象被添加新buff时通知你/// （如果现在对象身上没有buff会返回空列表，不会返回null）/// </summary>/// <returns></returns>public List<BuffBase> StartObserving(GameObject target, Action<BuffBase> listener){List<BuffBase> list;//添加监听if (!m_ObserverDicitinary.ContainsKey(target)){m_ObserverDicitinary.Add(target, null);}m_ObserverDicitinary[target] += listener;//查找已有buffif (m_BuffDictionary.ContainsKey(target)){list = m_BuffDictionary[target];}else{list = new List<BuffBase>();}//返回return list;}/// <summary>/// 停止观察某一对象，请传入与调用开始观察方法时使用的相同参数。/// </summary>/// <param name="target"></param>/// <param name="listener"></param>/// <exception cref="Exception"></exception>public void StopObsveving(GameObject target, Action<BuffBase> listener){if (!m_ObserverDicitinary.ContainsKey(target)){throw new Exception("要停止观察的对象不存在");}m_ObserverDicitinary[target] -= listener;if (m_ObserverDicitinary[target] == null){m_ObserverDicitinary.Remove(target);}}/// <summary>/// 在目标身上挂buff/// </summary>/// <typeparam name="T"></typeparam>/// <param name="target"></param>/// <param name="provider"></param>/// <param name="level"></param>public void AddBuff<T>(GameObject target, string provider, int level = 1) where T : BuffBase, new(){//如果我们的字典里没有存储这个key，就进行初始化if (!m_BuffDictionary.ContainsKey(target)){m_BuffDictionary.Add(target, new List<BuffBase>(5));//目标身上自然没有任何buff，直接挂一个新buff即可AddNewBuff<T>(target, provider, level);return;}//如果目标身上没有任何buff，直接挂一个新buff即可if (m_BuffDictionary[target].Count == 0){AddNewBuff<T>(target, provider, level);return;}//遍历看看目标身上有没有已存在的要挂的buff。List<T> temp01 = new List<T>();foreach (BuffBase item in m_BuffDictionary[target]){if (item is T){temp01.Add(item as T);}}//如果没有直接挂一个新buff就行了//如果有已存在的要挂的buff，就要进行冲突处理了if (temp01.Count == 0){AddNewBuff<T>(target, provider, level);}else{switch (temp01[0].ConflictResolution){//如果是独立存在，那也直接挂buffcase ConflictResolution.separate:bool temp = true;foreach (T item in temp01){if (item.Provider == provider){item.CurrentLevel += level;temp = false;continue;}}if (temp){AddNewBuff<T>(target, provider, level);}break;//如果是合并，则跟已有的buff叠层。case ConflictResolution.combine:temp01[0].CurrentLevel += level;break;//如果是覆盖，则移除旧buff，然后添加这个buff。case ConflictResolution.cover:RemoveBuff(target, temp01[0]);AddNewBuff<T>(target, provider, level);break;}}}/// <summary>/// 获得单位身上指定类型的buff的列表/// </summary>/// <typeparam name="T"></typeparam>/// <param name="Owner"></param>/// <returns></returns>public List<T> FindBuff<T>(GameObject Owner) where T : BuffBase, new(){List<T> result = new List<T>();if (m_BuffDictionary.ContainsKey(Owner)){List<BuffBase> buff = m_BuffDictionary[Owner];foreach (BuffBase item in buff){if (item is T){result.Add(item as T);}}}return result;}/// <summary>/// 获得单位身上所有的buff/// 如果单位身上没有任何buff则返回空列表/// </summary>/// <param name="Owner"></param>/// <returns></returns>public List<BuffBase> FindAllBuff(GameObject Owner){List<BuffBase> result = new List<BuffBase>();if (m_BuffDictionary.ContainsKey(Owner)){result = m_BuffDictionary[Owner];}return result;}/// <summary>/// 移除单位身上指定的一个buff/// </summary>/// <param name="owner"></param>/// <param name="buff"></param>/// <returns>是否成功，如果失败说明目标不存在</returns>public bool RemoveBuff(GameObject owner, BuffBase buff){if (!m_BuffDictionary.ContainsKey(owner)){return false;}bool haveTarget = false;foreach (BuffBase item in m_BuffDictionary[owner]){if (item == buff){haveTarget = true;item.CurrentLevel -= item.CurrentLevel;item.OnLost();m_BuffDictionary[owner].Remove(item);break;}}if (!haveTarget){return false;}return true;}#endregion#region Private方法private void AddNewBuff<T>(GameObject target, string provider, int level) where T : BuffBase, new(){T buff = new T();buff.Initialize(target, provider);m_BuffDictionary[target].Add(buff);buff.ResidualDuration = buff.MaxDuration;buff.CurrentLevel = level;buff.OnGet();if (m_ObserverDicitinary.ContainsKey(target)){m_ObserverDicitinary[target]?.Invoke(buff);}}#endregionprivate WaitForSeconds m_WaitForFixedDeltaTimeSeconds = new WaitForSeconds(FixedDeltaTime);private IEnumerator ExecuteFixedUpdate(){while (true){yield return m_WaitForFixedDeltaTimeSeconds;//执行所有buff的update；foreach (KeyValuePair<GameObject, List<BuffBase>> item1 in m_BuffDictionary){foreach (BuffBase item2 in item1.Value){if (item2.CurrentLevel > 0 && item2.Owner != null){item2.FixedUpdate();}}}}}private WaitForSeconds m_WaitFor10Seconds = new WaitForSeconds(10f);private Dictionary<GameObject, List<BuffBase>> m_BuffDictionaryCopy = new Dictionary<GameObject, List<BuffBase>>(25);private IEnumerator ExecuteGrabageCollection(){while (true){yield return m_WaitFor10Seconds;//复制一份m_BuffDictionaryCopy.Clear();foreach (KeyValuePair<GameObject, List<BuffBase>> item in m_BuffDictionary){m_BuffDictionaryCopy.Add(item.Key, item.Value);}//清理无用对象foreach (KeyValuePair<GameObject, List<BuffBase>> item in m_BuffDictionaryCopy){//如果owner被删除，我们这边也跟着删除if (item.Key == null){m_BuffDictionary.Remove(item.Key);continue;}//如果一个owner身上没有任何buff，就没必要留着他了if (item.Value.Count == 0){m_BuffDictionary.Remove(item.Key);continue;}}}}private void Awake(){StartCoroutine(ExecuteFixedUpdate());StartCoroutine(ExecuteGrabageCollection());}private BuffBase m_Transfer_Buff;private void FixedUpdate(){//清理无用对象foreach (KeyValuePair<GameObject, List<BuffBase>> item in m_BuffDictionary){//清理无用buff//降低持续时间for (int i = item.Value.Count - 1; i >= 0; i--){m_Transfer_Buff = item.Value[i];//如果等级为0，则移除if (m_Transfer_Buff.CurrentLevel == 0){RemoveBuff(item.Key, m_Transfer_Buff);continue;}//如果持续时间为0，则降级,//降级后如果等级为0则移除，否则刷新持续时间if (m_Transfer_Buff.ResidualDuration == 0){m_Transfer_Buff.CurrentLevel -= m_Transfer_Buff.Demotion;if (m_Transfer_Buff.CurrentLevel == 0){RemoveBuff(item.Key, m_Transfer_Buff);continue;}else{m_Transfer_Buff.ResidualDuration = m_Transfer_Buff.MaxDuration;}}//降低持续时间m_Transfer_Buff.ResidualDuration -= Time.fixedDeltaTime;}}}
}

加几个BUFF测试

1. 逐层消失，升级不重置剩余时间的BUFF

public class Buff001 : BuffBase
{// Buff每秒钟恢复的生命值private float m_HealingPerSecond = 20f;// 作用目标，即被添加Buff的角色private PlayerController playerController;// 初始化Buff的属性和状态public override void Initialize(GameObject owner, string provider){base.Initialize(owner, provider);// 获取作用目标的PlayerController组件playerController = owner.GetComponent<PlayerController>();// 设置Buff的基本属性MaxDuration = 15; // 最大持续时间为15秒TimeScale = 1f;   // 时间流失速度为正常值MaxLevel = 5;     // 最大等级为5级BuffType = BuffType.Buff; // Buff类型为增益效果ConflictResolution = ConflictResolution.combine; // Buff冲突时采用合并方式Dispellable = false; // 不可被驱散Name = "生命值";   // Buff的名称Description = $"每秒恢复{m_HealingPerSecond}点生命值"; // Buff的描述Demotion = 1; // 每次Buff持续时间结束时降低的等级IconPath = "Icon/2003"; // Buff的图标路径}// 在固定时间间隔内更新Buff的效果public override void FixedUpdate(){// 每秒钟恢复指定的生命值playerController.HP += m_HealingPerSecond * BuffManager.FixedDeltaTime;}
}

调用测试

public class Test : MonoBehaviour
{public PlayerController playerController;void Update(){if (Input.GetKeyDown(KeyCode.Alpha1)){//作用目标 来源：自己，每次加1层BuffManager.Instance.AddBuff<Buff001>(playerController.gameObject, "自己", 1);}}
}

效果

2. 一次性全部消失，升级重置剩余时间的BUFF

public class Buff002 : BuffBase
{// 攻击力增加的数值private float m_ADUp = 10f;private PlayerController playerController;public override void Initialize(GameObject owner, string provider){base.Initialize(owner, provider);MaxDuration = 5f;// 最大持续时间为5秒MaxLevel = 10;// 最大等级为10级BuffType = BuffType.Buff;// Buff类型为增益效果ConflictResolution = ConflictResolution.combine;// Buff冲突时采用合并方式Dispellable = false;// 不可被驱散Name = "借来的短剑";// Buff的名称Description = "每层增加10点攻击力";// Buff的描述IconPath = "Icon/1036";// Buff的图标路径Demotion = MaxLevel;// 每次Buff持续时间结束时降低的等级playerController = Owner.GetComponent<PlayerController>();}//当等级改变时调用protected override void OnLevelChange(int change){// 根据变化的等级调整角色的攻击力playerController.AD += m_ADUp * change;//每次升级，重置Buff的当前剩余时间ResidualDuration = MaxDuration;}
}

调用

BuffManager.Instance.AddBuff<Buff002>(playerController.gameObject, "自己", 1);

效果

3. 永久BUFF，类似被动BUFF

public class Buff003 : BuffBase
{PlayerController playerController;public override void Initialize(GameObject owner, string provider){base.Initialize(owner, provider);TimeScale = 0f;// 时间缩放为0，暂停游戏中的时间流逝MaxLevel = int.MaxValue;// 最大等级设置为int的最大值，表示无限等级BuffType = BuffType.Buff;// Buff类型为增益效果ConflictResolution = ConflictResolution.separate;// Buff冲突时采用分离方式Dispellable = false;// 不可被驱散Name = "盛宴";Description = "增加生命值";IconPath = "Icon/Feast";Demotion = 0;// 每次Buff持续时间结束时降低的等级playerController = owner.GetComponent<PlayerController>();}// 当Buff等级发生变化时触发protected override void OnLevelChange(int change){// 根据变化的等级调整角色的生命值playerController.HP += change;}
}

调用

BuffManager.Instance.AddBuff<Buff003>(playerController.gameObject, "自己", 80);

效果

4. 负面BUFF，根据当前BUFF等级计算每秒收到伤害值，当两个不同单位向同一个单位施加同一个buff时BUFF独立存在

public class Buff004 : BuffBase
{PlayerController playerController;// 每秒受到的伤害值float m_DamagePerSeconds = 30;public override void Initialize(GameObject owner, string provider){base.Initialize(owner, provider);playerController = owner.GetComponent<PlayerController>();MaxDuration = 5f;// Buff的最大持续时间为5秒TimeScale = 1f;// 时间缩放为1，正常流逝时间MaxLevel = 5;// 最大等级设置为5BuffType = BuffType.Debuff;// Buff类型为减益效果ConflictResolution = ConflictResolution.separate;// Buff冲突时采用分离方式Dispellable = true;// 可以被驱散Name = "流血";Description = "每层每秒受到30点伤害";IconPath = "Icon/Darius_PassiveBuff";Demotion = MaxLevel;// 每次Buff持续时间结束时降低的等级}// 当Buff等级发生变化时触发protected override void OnLevelChange(int change){//每次升级，重置Buff的当前剩余时间ResidualDuration = MaxDuration;}public override void FixedUpdate(){// 根据当前等级、每秒伤害值和固定时间步长来计算角色受到的伤害playerController.HP -= m_DamagePerSeconds * CurrentLevel * BuffManager.FixedDeltaTime;}
}

调用

if (Input.GetKeyDown(KeyCode.Alpha4))
{BuffManager.Instance.AddBuff<Buff004>(playerController.gameObject, "敌人1", 1);
}
if (Input.GetKeyDown(KeyCode.Alpha5))
{BuffManager.Instance.AddBuff<Buff004>(playerController.gameObject, "敌人2", 1);
}

效果

5. 一级叠加两层，后面都叠加一层

public class Buff005 : BuffBase
{PlayerController playerController;// 每秒受到的伤害值float m_DamagePerSeconds = 10;public override void Initialize(GameObject owner, string provider){base.Initialize(owner, provider);playerController = owner.GetComponent<PlayerController>();MaxDuration = 1f;// Buff的最大持续时间为1秒TimeScale = 1f;// 时间缩放为1，正常流逝时间MaxLevel = int.MaxValue;// 最大等级设置为int.MaxValue，即无限大BuffType = BuffType.Debuff;// Buff类型为减益效果ConflictResolution = ConflictResolution.combine;// Buff冲突时采用合并方式Dispellable = true;// 可以被驱散Name = "被点燃";Description = "每秒受到10点伤害,首次受到该BUFF伤害,一次叠加2层,后续叠加1层";IconPath = "Icon/Darius_PassiveBuff";Demotion = 1;// 每次Buff持续时间结束时降低的等级}public override void FixedUpdate(){// 根据每秒伤害值和固定时间步长来计算角色受到的伤害playerController.HP -= m_DamagePerSeconds * BuffManager.FixedDeltaTime;}
}

调用

if (Input.GetKeyDown(KeyCode.Alpha6))
{int number = 1;//获取叠加的BUff层数if(BuffManager.Instance.FindBuff<Buff005>(playerController.gameObject).Count == 0  ){number = 2;}BuffManager.Instance.AddBuff<Buff005>(playerController.gameObject, "敌人1", number);
}

效果

最终效果

参考

【视频】https://www.bilibili.com/video/BV1Xy4y1N7Cb

源码

整理好了，我会放上来

完结

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好了，我是向宇，https://xiangyu.blog.csdn.net

一位在小公司默默奋斗的开发者，出于兴趣爱好，于是最近才开始自习unity。如果你遇到任何问题，也欢迎你评论私信找我， 虽然有些问题我可能也不一定会，但是我会查阅各方资料，争取给出最好的建议，希望可以帮助更多想学编程的人，共勉~