24.总结

3.绘制对象基类和类型枚举

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3.1 知识点

要实现的代码

相关示图

主要操作

1. 实现绘制对象类和绘制对象类相关的位置结构体、绘制接口、绘制对象类型枚举
2. 实现绘制对象类的绘制方法和类型切换方法

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3.2 知识点代码

IDraw

using System;
using System.Collections.Generic;
using System.Text;

namespace CSharp实践教学
{
    interface IDraw
    {
        void Draw();
    }
}

Position

using System;
using System.Collections.Generic;
using System.Text;

namespace CSharp实践教学
{
    struct Position
    {
        public int x;
        public int y;

        public Position(int x, int y)
        {
            this.x = x;
            this.y = y;
        }

        //肯定是存在比较相关的信息的
        public static bool operator ==(Position p1, Position p2)
        {
            if (p1.x == p2.x && p1.y == p2.y)
                return true;
            return false;
        }

        public static bool operator !=(Position p1, Position p2)
        {
            if (p1.x == p2.x && p1.y == p2.y)
                return false;
            return true;
        }

        public static Position operator +(Position p1, Position p2)
        {
            Position pos = new Position(p1.x + p2.x, p1.y + p2.y);
            return pos;
        }
    }
}

DrawObject

using System;
using System.Collections.Generic;
using System.Text;

namespace CSharp实践教学
{
    /// <summary>
    /// 绘制类型 根据不同类型 改变绘制的方块的颜色
    /// </summary>
    enum E_DrawType
    {
        /// <summary>
        /// 墙壁
        /// </summary>
        Wall,
        /// <summary>
        /// 正方形方块
        /// </summary>
        Cube,
        /// <summary>
        /// 直线
        /// </summary>
        Line,
        /// <summary>
        /// 坦克
        /// </summary>
        Tank,
        /// <summary>
        /// 左梯子
        /// </summary>
        Left_Ladder,
        /// <summary>
        /// 右梯子
        /// </summary>
        Right_Ladder,
        /// <summary>
        /// 左长梯子
        /// </summary>
        Left_Long_Ladder,
        /// <summary>
        /// 右长梯子
        /// </summary>
        Right_Long_Ladder,
    }

    class DrawObject : IDraw
    {
        public Position pos;

        public E_DrawType type;

        public DrawObject(E_DrawType type)
        {
            this.type = type;
        }

        public DrawObject(E_DrawType type, int x, int y):this(type)
        {
            this.pos = new Position(x, y);
        }

        public void Draw()
        {
            Console.SetCursorPosition(pos.x, pos.y);

            switch (type)
            {
                case E_DrawType.Wall:
                    Console.ForegroundColor = ConsoleColor.Red;
                    break;
                case E_DrawType.Cube:
                    Console.ForegroundColor = ConsoleColor.Blue;
                    break;
                case E_DrawType.Line:
                    Console.ForegroundColor = ConsoleColor.Green;
                    break;
                case E_DrawType.Tank:
                    Console.ForegroundColor = ConsoleColor.Cyan;
                    break;
                case E_DrawType.Left_Ladder:
                case E_DrawType.Right_Ladder:
                    Console.ForegroundColor = ConsoleColor.Magenta;
                    break;
                case E_DrawType.Left_Long_Ladder:
                case E_DrawType.Right_Long_Ladder:
                    Console.ForegroundColor = ConsoleColor.DarkGray;
                    break;
            }
            Console.Write("■");
        }

        /// <summary>
        /// 这是切换方块类型 主要用于搬砖下落到地图时 把搬砖类型编程墙壁类型
        /// </summary>
        /// <param name="type"></param>
        public void ChangeType(E_DrawType type)
        {
            this.type = type;
        }
    }
}

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