diff options
-rw-r--r-- | utility/maths.h | 3 |
1 files changed, 3 insertions, 0 deletions
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>()}; |