简单的2D、3D的Vector结构示例

最新推荐文章于 2025-01-22 16:42:20 发布

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最新推荐文章于 2025-01-22 16:42:20 发布

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文章标签： vector string 语言

本文链接：https://blog.youkuaiyun.com/qingfeng_hero/article/details/5113017

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语言：C#

struct Vector:IFormattable
    {
        public double x, y, z;
        public Vector(double x, double y, double z)
        {
            this.x = x;
            this.y = y;
            this.z = z;
        }
        public Vector(double x) : this(x, 0.0, 0.0) { }
        public Vector(double x, double y) : this(x, y, 0.0) { }

        #region IFormattable 成员

        public string ToString(string format, IFormatProvider formatProvider)
        {
            if (string.IsNullOrEmpty(format))
                return ToString();
            string formatUp = format.ToUpper();
            switch (formatUp)
            {
                case "N":   //显示|Vector|的值
                    return (x * x + y * y + z * z).ToString();
                case "DP": //2D显示
                    return string.Format("({0},{1})", x, y);
                case "DS": //2D显示
                    return string.Format("({0},{1},{2})", x, y, z);
                case "EP": //2D显示
                    return string.Format("({0:E},{1:E})", x, y);
                case "ES": //3D显示
                    return string.Format("({0:E},{1:E},{2:E})", x, y, z);
                case "IJ": //2D显示
                    return string.Format("{0} i + {1} j", x, y);
                case "IJK": //3D显示
                    return string.Format("{0} i + {1} j + {2} k", x, y, z);
                default:
                    return ToString(); //3D显示

            }
        }

        #endregion

        public override string ToString()
        {
            return string.Format("({0},{1},{2})", x, y, z);
        }
    }