add debug/debug.hpp

src/debug/debug.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <iostream>
+#include <glm/glm.hpp>
+
+template<int N, typename T>
+std::ostream& operator<<(std::ostream& out, const glm::vec<N, T>& vec) {
+    out << "{";
+    for (int i = 0; i < N; i++) {
+        if (i > 0) {
+            out << ", ";
+        }
+        out << vec[i];
+    }
+    out << "}";
+    return out;
+}