From f92c378423f81b4058c19f8fc3d7e631ceb8304d Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 15 Dec 2024 14:17:27 +0000
Subject: vector difference works with floating point

Makes it a generic wrapper
---
 lib/maths.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/maths.h b/lib/maths.h
index 3959896..b28fe01 100644
--- a/lib/maths.h
+++ b/lib/maths.h
@@ -79,8 +79,11 @@ operator-(const GlobalPosition<D> & global, const CalcPosition<D> & relative)
 	return global - GlobalPosition<D>(relative);
 }
 
-template<glm::length_t D, std::integral T, glm::qualifier Q>
-constexpr RelativePosition<D>
+template<glm::length_t D, Arithmetic T, glm::qualifier Q>
+using DifferenceVector = glm::vec<D, std::conditional_t<std::is_floating_point_v<T>, T, float>, Q>;
+
+template<glm::length_t D, Arithmetic T, glm::qualifier Q>
+constexpr DifferenceVector<D, T, Q>
 difference(const glm::vec<D, T, Q> & globalA, const glm::vec<D, T, Q> & globalB)
 {
 	return globalA - globalB;
-- 
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