DVector2.cs

using UnityEngine;
using M = System.Math;
// ReSharper disable InconsistentNaming
 
namespace ARLocation
{
    [System.Serializable]
    public struct DVector2
    {
        public double x;
        public double y;
 
        public double magnitude
        {
            get
            {
                return M.Sqrt(x * x + y * y);
            }
        }
 
        public DVector2 normalized
        {
            get
            {
                var m = magnitude;
 
                if (m < 0.00000001)
                {
                    return new DVector2();
                }
 
                return new DVector2(x, y) / magnitude;
            }
        }
 
        public DVector2 Clone()
        {
            return new DVector2(x, y);
        }
 
        public DVector2(double x = 0.0, double y = 0.0)
        {
            this.x = x;
            this.y = y;
        }
 
        public Vector2 toVector2()
        {
            return new Vector2((float)x, (float)y);
        }
 
        public bool Equals(DVector2 v, double e = 0.00005)
        {
            return (M.Abs(x - v.x) <= e) && (M.Abs(y - v.y) <= e);
        }
 
        public void Normalize()
        {
            double m = magnitude;
            x /= m;
            y /= m;
        }
 
        public void Set(double newX = 0.0, double newY = 0.0)
        {
            x = newX;
            y = newY;
        }
 
        override public string ToString()
        {
            return "(" + x + ", " + y + ")";
        }
 
        public static double Dot(DVector2 a, DVector2 b)
        {
            return a.x * b.x + a.y * b.y;
        }
 
        public static double Distance(DVector2 a, DVector2 b)
        {
            return M.Sqrt(a.x * b.x + a.y * b.y);
        }
 
        public static DVector2 Lerp(DVector2 a, DVector2 b, double t)
        {
            double s = M.Max(0, M.Min(t, 1));
            return a * (1 - s) + b * s;
        }
 
        public static DVector2 operator *(DVector2 a, double b)
        {
            return new DVector2(
                b * a.x,
                b * a.y
            );
        }
 
        public static DVector2 operator /(DVector2 a, double b)
        {
            return new DVector2(
                a.x / b,
                a.y / b
            );
        }
 
        public static DVector2 operator +(DVector2 a, DVector2 b)
        {
            return new DVector2(
                a.x + b.x,
                a.y + b.y
            );
        }
 
        public static DVector2 operator -(DVector2 a, DVector2 b)
        {
            return new DVector2(
                a.x - b.x,
                a.y - b.y
            );
        }
    }
}