Unity游戏开发中的设计模式之策略模式

 	/// <summary>
    /// 算法的共享接口
    /// </summary>
    public abstract class Strategy
    {
        public abstract void AlgorithmInterface();
    }

   /*  各类算法的实现 */
    /// <summary>
    /// 算法 A
    /// </summary>
    public class ConcreteStrategyA : Strategy
    {
        public override void AlgorithmInterface()
        {
            //print
        }
    }
    /// <summary>
    /// 算法 B
    /// </summary>
    public class ConcreteStrategyB : Strategy
    {
        public override void AlgorithmInterface()
        {
            //print
        }
    }
    /// <summary>
    /// 算法 C
    /// </summary>
    public class ConcreteStrategyC : Strategy
    {
        public override void AlgorithmInterface()
        {
            //print
        }
    }

/// <summary>
    /// 拥有Strategy 对象的客户端
    /// </summary>
    public class Context
    {
        Strategy strategy = null;
        /// <summary>
        /// 设置算法
        /// </summary>
        /// <param name="strategy"></param>
        public void SetStrategy(Strategy strategy)
        {
            strategy = strategy;
        }
        /// <summary>
        ///执行当前的算法
        /// </summary>
        public void ContextInterface()
        {
            strategy.AlgorithmInterface();
        }
    }