diff -r a36913fc552a -r f21b800b02a4 src/basics.h
--- a/src/basics.h	Fri Mar 06 16:08:53 2020 +0200
+++ b/src/basics.h	Fri Mar 06 20:13:10 2020 +0200
@@ -151,5 +151,9 @@
 	return {point.x(), point.y()};
 }
 
+constexpr float PIf = static_cast<float>(M_PI);
+constexpr double PI = M_PI;
+constexpr long double PIl = M_PIl;
+
 Q_DECLARE_METATYPE(glm::vec3)
 Q_DECLARE_METATYPE(glm::mat4)