From 05c61a3dbd3efd20cc2725da11f1314e63b7bd91 Mon Sep 17 00:00:00 2001
From: Pascal Serrarens <pse@pale.blue>
Date: Fri, 6 Sep 2024 13:16:49 +0200
Subject: [PATCH] Add distance between

---
 Spherical.cpp | 7 +++++++
 Spherical.h   | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/Spherical.cpp b/Spherical.cpp
index b4d6d07..7f6c3ca 100644
--- a/Spherical.cpp
+++ b/Spherical.cpp
@@ -208,6 +208,13 @@ SphericalOf<T> SphericalOf<T>::operator/=(float f) {
 
 const float epsilon = 1E-05f;
 
+template <typename T>
+float SphericalOf<T>::DistanceBetween(const SphericalOf<T>& v1,
+                                      const SphericalOf<T>& v2) {
+  SphericalOf<T> difference = v1 - v2;
+  return difference.distance;
+}
+
 template <typename T>
 AngleOf<T> SphericalOf<T>::AngleBetween(const SphericalOf& v1,
                                         const SphericalOf& v2) {
diff --git a/Spherical.h b/Spherical.h
index fa4b79f..2c4a12b 100644
--- a/Spherical.h
+++ b/Spherical.h
@@ -103,6 +103,8 @@ class SphericalOf {
   /// <returns>The distance between the two vectors</returns>
   // static float Distance(const Spherical &s1, const Spherical &s2);
 
+  static float DistanceBetween(const SphericalOf<T>& v1,
+                               const SphericalOf<T>& v2);
   static AngleOf<T> AngleBetween(const SphericalOf<T>& v1,
                                  const SphericalOf<T>& v2);