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diff --git a/src/math/mat4.h b/src/math/mat4.h
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+++ b/src/math/mat4.h
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+#ifndef MATH_MAT4_H
+#define MATH_MAT4_H
+
+#include <array>
+#include "math/math_vector.h"
+
+class Mat4 {
+    public:
+        static Mat4 idty();
+        static Mat4 rot_x(float a);
+        static Mat4 rot_y(float a);
+        static Mat4 rot_z(float a);
+
+        std::array<float, 16> values;
+
+        Mat4 operator-();
+        Mat4 operator+(Mat4 m);
+        Mat4 operator-(Mat4 m);
+        Mat4 operator*(Mat4 m);
+        MathVector4 operator*(MathVector4 v);
+        std::array<MathVector4, 4> to_vecs();
+};
+
+#endif // MATH_MAT4_H