From 77ab194851c7cf2d96a00ba2dd7f068aa66c35ee Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 14 Feb 2021 12:58:22 +0000
Subject: Add consts for other compass points

---
 utility/maths.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utility/maths.h b/utility/maths.h
index 0b379d0..22688cb 100644
--- a/utility/maths.h
+++ b/utility/maths.h
@@ -9,6 +9,9 @@ using Arc = std::pair<float, float>;
 
 constexpr const glm::vec3 up {0, 1, 0};
 constexpr const glm::vec3 north {0, 0, 1};
+constexpr const glm::vec3 south {0, 0, -1};
+constexpr const glm::vec3 east {-1, 0, 0};
+constexpr const glm::vec3 west {1, 0, 0};
 constexpr auto half_pi {glm::half_pi<float>()};
 constexpr auto pi {glm::pi<float>()};
 constexpr auto two_pi {glm::two_pi<float>()};
-- 
cgit v1.2.3