using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[Serializable]
public  struct Double3 {
    public double X;
    public double Y;
    public double Z;

    public static Double3 operator *(Double3 v, double r) {
        return new Double3 { X = v.X * r, Y = v.Y * r, Z = v.Z * r };
    }

    public Vector3 ToVector3() {
        return new Vector3((float)X, (float)Y, (float)Z);
    }

    public double Length() {
        return Math.Sqrt(X * X + Y * Y + Z * Z);
    }
    public void Normalize() {
        var len = Length();
        X /= len;
        Y /= len;
        Z /= len;
    }
}

[Serializable]
public struct SphericalDir {
    public double Theta;
    public double Phi;

    public Double3 ToCartesian() {
        return new Double3 { X = Math.Sin(Theta) * Math.Cos(Phi), Y = Math.Sin(Theta) * Math.Sin(Phi), Z = Math.Cos(Theta) };
    }
}

[Serializable]
public struct SphericalCoord {
    public double R;
    public SphericalDir Dir;

    public Double3 ToCartesian() {
        return Dir.ToCartesian() * R;
    }
}