namespace Yw.WinFrmUI.HydroL3d
{
    /// <summary>
    /// 
    /// </summary>
    [TypeConverter(typeof(PropertySorter))]
    public class Point3d
    {
        /// <summary>
        /// 
        /// </summary>
        public Point3d() { }

        /// <summary>
        /// 
        /// </summary>
        public Point3d(float x, float y, float z)
        {
            this.X = x;
            this.Y = y;
            this.Z = z;
        }

        /// <summary>
        /// 
        /// </summary>
        public Point3d(double x, double y, double z)
        {
            this.X = (float)x;
            this.Y = (float)y;
            this.Z = (float)z;
        }

        /// <summary>
        /// 
        /// </summary>
        public Point3d(Point3d rhs)
        {
            this.X = rhs.X;
            this.Y = rhs.Y;
            this.Z = rhs.Z;
        }

        /// <summary>
        /// x
        /// </summary>
        [DisplayName("X")]
        [PropertyOrder(1)]
        public float X { get; set; }

        /// <summary>
        /// y
        /// </summary>
        [DisplayName("Y")]
        [PropertyOrder(2)]
        public float Y { get; set; }

        /// <summary>
        /// z
        /// </summary>
        [DisplayName("Z")]
        [PropertyOrder(3)]
        public float Z { get; set; }

        /// <summary>
        /// 是否无效
        /// </summary>
        public bool InValid()
        {
            if (this.X.Invalid())
            {
                return true;
            }
            if (this.Y.Invalid())
            {
                return true;
            }
            if (this.Z.Invalid())
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 是否有效
        /// </summary>
        public bool Valid()
        {
            return !InValid();
        }

        /// <summary>
        /// 距离
        /// </summary>
        public float Distance(Point3d other)
        {
            if (other == null)
            {
                return default;
            }
            return MathF.Sqrt(MathF.Pow(this.X - other.X, 2) + MathF.Pow(this.Y - other.Y, 2) + MathF.Pow(this.Z - other.Z, 2));
        }

        /// <summary>
        /// 
        /// </summary>
        public float LengthSquared()
        {
            return X * X + Y * Y + Z * Z;
        }

        /// <summary>
        /// 
        /// </summary>
        public float Length()
        {
            return (float)Math.Sqrt(LengthSquared());
        }

        /// <summary>
        /// 
        /// </summary>
        public void Normalize()
        {
            float length = Length();
            if (length > 0)
            {
                X /= length;
                Y /= length;
                Z /= length;
            }
        }

        /// <summary>
        /// - 运算
        /// </summary>
        public static Point3d operator -(Point3d a, Point3d b)
        {
            return new Point3d(a.X - b.X, a.Y - b.Y, a.Z - b.Z);
        }


        /// <summary>
        /// 
        /// </summary>
        public static float DotProduct(Point3d a, Point3d b)
        {
            return a.X * b.X + a.Y * b.Y + a.Z * b.Z;
        }

        /// <summary>
        /// 
        /// </summary>
        public static Point3d CrossProduct(Point3d a, Point3d b)
        {
            return new Point3d(
                a.Y * b.Z - a.Z * b.Y,
                a.Z * b.X - a.X * b.Z,
                a.X * b.Y - a.Y * b.X);
        }


    }
}