From 0bcfed4e9379ddebbc75e494374ff3162512e7da Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Thu, 12 Nov 2020 16:12:11 +0800
Subject: [PATCH] fix a bug, it's adaptive a error vector type.

---
 inc/hgl/math/Vector.h | 26 ++++----------------------
 1 file changed, 4 insertions(+), 22 deletions(-)

diff --git a/inc/hgl/math/Vector.h b/inc/hgl/math/Vector.h
index c06379a..d2557cc 100644
--- a/inc/hgl/math/Vector.h
+++ b/inc/hgl/math/Vector.h
@@ -180,28 +180,15 @@ namespace hgl
         return sqrt(length_squared_2d(v));
     }
 
-    template<typename T1, typename T2>
-    inline float length_squared(const T1 &v1, const T2 &v2)
-    {
-        const float x = (v1.x - v2.x);
-        const float y = (v1.y - v2.y);
-
-        return x*x + y*y;
-    }
-
     template<typename T1, typename T2>
     inline float length(const T1 &v1, const T2 &v2)
     {
-        return sqrt(length_squared(v1, v2));
+        return sqrt(length_squared(v1-v2));
     }
-
-    inline float length_squared(const Vector3f &v1, const Vector3f &v2)
+    template<typename T1, typename T2>
+    inline float length_squared(const T1 &v1, const T2 &v2)
     {
-        const float x = (v1.x - v2.x);
-        const float y = (v1.y - v2.y);
-        const float z = (v1.z - v2.z);
-
-        return x*x + y*y + z*z;
+        return length_squared(v1-v2);
     }
 
     template<typename T1, typename T2>
@@ -213,11 +200,6 @@ namespace hgl
         return x*x + y*y;
     }
 
-    inline float length(const Vector3f &v1, const Vector3f &v2)
-    {
-        return sqrt(length_squared(v1, v2));
-    }
-
     template<typename T1, typename T2>
     inline float length_2d(const T1 &v1, const T2 &v2)
     {