diff --git a/src/main.cpp b/src/main.cpp
index efbbf09..2578ad3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,6 @@
 #include <iostream>
+#define _USE_MATH_DEFINES
+#include <cmath>
 #include <vector>
 #include <glm/glm.hpp>
 #include <glm/ext/quaternion_geometric.hpp>