diff --git a/include/omath/angle.hpp b/include/omath/angle.hpp
index 07d5510..11d36d9 100644
--- a/include/omath/angle.hpp
+++ b/include/omath/angle.hpp
@@ -3,9 +3,9 @@
 //
 
 #pragma once
-#include "omath/angles.hpp"
 #include <algorithm>
 #include <utility>
+#include "omath/angles.hpp"
 
 
 namespace omath
@@ -17,7 +17,7 @@ namespace omath
     };
 
     template<class Type = float, Type min = Type(0), Type max = Type(360), AngleFlags flags = AngleFlags::Normalized>
-    requires std::is_arithmetic_v<Type>
+        requires std::is_arithmetic_v<Type>
     class Angle
     {
         Type m_angle;
@@ -34,6 +34,7 @@ namespace omath
                 std::unreachable();
             }
         }
+
     public:
         [[nodiscard]]
         constexpr static Angle FromDegrees(const Type& degrees)
@@ -42,7 +43,6 @@ namespace omath
         }
         constexpr Angle() : m_angle(0)
         {
-
         }
         [[nodiscard]]
         constexpr static Angle FromRadians(const Type& degrees)
@@ -149,4 +149,4 @@ namespace omath
             return Angle{-m_angle};
         }
     };
-}
+} // namespace omath
diff --git a/include/omath/engines/iw_engine/formulas.hpp b/include/omath/engines/iw_engine/formulas.hpp
index a604f48..60d1fee 100644
--- a/include/omath/engines/iw_engine/formulas.hpp
+++ b/include/omath/engines/iw_engine/formulas.hpp
@@ -16,8 +16,10 @@ namespace omath::iw_engine
     [[nodiscard]]
     Vector3<float> UpVector(const ViewAngles& angles);
 
-    [[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin);
+    [[nodiscard]]
+    Mat4x4 RotationMatrix(const ViewAngles& angles);
 
+    [[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin);
 
     [[nodiscard]]
     Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far);
diff --git a/include/omath/engines/opengl_engine/constants.hpp b/include/omath/engines/opengl_engine/constants.hpp
index 66aac7d..3e0a762 100644
--- a/include/omath/engines/opengl_engine/constants.hpp
+++ b/include/omath/engines/opengl_engine/constants.hpp
@@ -17,9 +17,10 @@ namespace omath::opengl_engine
     using Mat4x4 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>;
     using Mat3x3 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>;
     using Mat1x3 = Mat<1, 3, float, MatStoreType::COLUMN_MAJOR>;
-    using PitchAngle = Angle<float, 0.f, 180.f, AngleFlags::Clamped>;
-    using YawAngle = Angle<float, 0.f, 360.f, AngleFlags::Normalized>;
-    using RollAngle = Angle<float, 0.f, 360.f, AngleFlags::Normalized>;
+    using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
+    using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
+    using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
+
 
     using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
 }
\ No newline at end of file
diff --git a/include/omath/engines/opengl_engine/formulas.hpp b/include/omath/engines/opengl_engine/formulas.hpp
index d9dcfe7..7f24ef6 100644
--- a/include/omath/engines/opengl_engine/formulas.hpp
+++ b/include/omath/engines/opengl_engine/formulas.hpp
@@ -18,6 +18,8 @@ namespace omath::opengl_engine
 
     [[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin);
 
+    [[nodiscard]]
+    Mat4x4 RotationMatrix(const ViewAngles& angles);
 
     [[nodiscard]]
     Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far);
diff --git a/include/omath/engines/source_engine/formulas.hpp b/include/omath/engines/source_engine/formulas.hpp
index fd6415e..450de1e 100644
--- a/include/omath/engines/source_engine/formulas.hpp
+++ b/include/omath/engines/source_engine/formulas.hpp
@@ -9,6 +9,9 @@ namespace omath::source_engine
     [[nodiscard]]
     Vector3<float> ForwardVector(const ViewAngles& angles);
 
+    [[nodiscard]]
+    Mat4x4 RotationMatrix(const ViewAngles& angles);
+
     [[nodiscard]]
     Vector3<float> RightVector(const ViewAngles& angles);
 
@@ -17,7 +20,6 @@ namespace omath::source_engine
 
     [[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin);
 
-
     [[nodiscard]]
     Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far);
 } // namespace omath::source
diff --git a/include/omath/engines/unity_engine/constants.hpp b/include/omath/engines/unity_engine/constants.hpp
index dae1775..27ec9a3 100644
--- a/include/omath/engines/unity_engine/constants.hpp
+++ b/include/omath/engines/unity_engine/constants.hpp
@@ -18,7 +18,7 @@ namespace omath::unity_engine
     using Mat4x4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
     using Mat3x3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
     using Mat1x3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
-    using PitchAngle = Angle<float, -89.f, 89.f, AngleFlags::Clamped>;
+    using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
     using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
     using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
 
diff --git a/include/omath/engines/unity_engine/formulas.hpp b/include/omath/engines/unity_engine/formulas.hpp
index 6352cd1..8b36953 100644
--- a/include/omath/engines/unity_engine/formulas.hpp
+++ b/include/omath/engines/unity_engine/formulas.hpp
@@ -18,6 +18,8 @@ namespace omath::unity_engine
 
     [[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin);
 
+    [[nodiscard]]
+    Mat4x4 RotationMatrix(const ViewAngles& angles);
 
     [[nodiscard]]
     Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far);
diff --git a/include/omath/mat.hpp b/include/omath/mat.hpp
index 68f867f..1d7b451 100644
--- a/include/omath/mat.hpp
+++ b/include/omath/mat.hpp
@@ -428,13 +428,6 @@ namespace omath
         } * MatTranslation<Type, St>(-cameraOrigin);
     }
 
-    template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class ViewAngles>
-    [[nodiscard]]
-    Mat<4, 4, Type, St> MatRotation(const ViewAngles& angles) noexcept
-    {
-        return MatRotationAxisZ(angles.yaw) * MatRotationAxisY(angles.pitch) * MatRotationAxisX(angles.roll);
-    }
-
     template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
     [[nodiscard]]
     Mat<4, 4, Type, St> MatPerspectiveLeftHanded(const float fieldOfView, const float aspectRatio, const float near,
diff --git a/source/engines/iw_engine/formulas.cpp b/source/engines/iw_engine/formulas.cpp
index f4fe076..0c293fe 100644
--- a/source/engines/iw_engine/formulas.cpp
+++ b/source/engines/iw_engine/formulas.cpp
@@ -9,23 +9,27 @@ namespace omath::iw_engine
 
     Vector3<float> ForwardVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsForward);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
 
     Vector3<float> RightVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsRight);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> UpVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsUp);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
+    Mat4x4 RotationMatrix(const ViewAngles& angles)
+    {
+        return MatRotationAxisZ(angles.yaw) * MatRotationAxisY(angles.pitch) * MatRotationAxisX(angles.roll);
+    }
 
     Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin)
     {
diff --git a/source/engines/opengl_engine/formulas.cpp b/source/engines/opengl_engine/formulas.cpp
index 8162bdb..f3e5b5c 100644
--- a/source/engines/opengl_engine/formulas.cpp
+++ b/source/engines/opengl_engine/formulas.cpp
@@ -9,19 +9,19 @@ namespace omath::opengl_engine
 
     Vector3<float> ForwardVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsForward);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> RightVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsRight);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> UpVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsUp);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
@@ -30,6 +30,12 @@ namespace omath::opengl_engine
         return MatCameraView<float, MatStoreType::COLUMN_MAJOR>(-ForwardVector(angles), RightVector(angles),
                                                                 UpVector(angles), cam_origin);
     }
+    Mat4x4 RotationMatrix(const ViewAngles& angles)
+    {
+        return MatRotationAxisZ<float, MatStoreType::COLUMN_MAJOR>(angles.roll) *
+               MatRotationAxisY<float, MatStoreType::COLUMN_MAJOR>(-angles.yaw) *
+               MatRotationAxisX<float, MatStoreType::COLUMN_MAJOR>(-angles.pitch);
+    }
     Mat4x4 CalcPerspectiveProjectionMatrix(const float fieldOfView, const float aspectRatio, const float near,
                                            const float far)
     {
diff --git a/source/engines/source_engine/formulas.cpp b/source/engines/source_engine/formulas.cpp
index f037cad..5dcca88 100644
--- a/source/engines/source_engine/formulas.cpp
+++ b/source/engines/source_engine/formulas.cpp
@@ -8,20 +8,25 @@ namespace omath::source_engine
 {
     Vector3<float> ForwardVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsForward);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
 
+    Mat4x4 RotationMatrix(const ViewAngles& angles)
+    {
+        return MatRotationAxisZ(angles.yaw) * MatRotationAxisY(angles.pitch) * MatRotationAxisX(angles.roll);
+    }
+
     Vector3<float> RightVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsRight);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> UpVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsUp);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
diff --git a/source/engines/unity_engine/formulas.cpp b/source/engines/unity_engine/formulas.cpp
index d3a872f..798920d 100644
--- a/source/engines/unity_engine/formulas.cpp
+++ b/source/engines/unity_engine/formulas.cpp
@@ -9,19 +9,19 @@ namespace omath::unity_engine
 {
     Vector3<float> ForwardVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsForward);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> RightVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsRight);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
     Vector3<float> UpVector(const ViewAngles& angles)
     {
-        const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
+        const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsUp);
 
         return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
     }
@@ -30,6 +30,12 @@ namespace omath::unity_engine
         return MatCameraView<float, MatStoreType::ROW_MAJOR>(ForwardVector(angles), -RightVector(angles),
                                                              UpVector(angles), cam_origin);
     }
+    Mat4x4 RotationMatrix(const ViewAngles& angles)
+    {
+        return MatRotationAxisZ(angles.roll) *
+               MatRotationAxisY(angles.yaw) *
+               MatRotationAxisX(angles.pitch);
+    }
     Mat4x4 CalcPerspectiveProjectionMatrix(const float fieldOfView, const float aspectRatio, const float near,
                                            const float far)
     {
diff --git a/source/projectile_prediction/proj_pred_engine_avx2.cpp b/source/projectile_prediction/proj_pred_engine_avx2.cpp
index 632f5b6..48d2b69 100644
--- a/source/projectile_prediction/proj_pred_engine_avx2.cpp
+++ b/source/projectile_prediction/proj_pred_engine_avx2.cpp
@@ -5,7 +5,7 @@
 #include <source_location>
 #include <stdexcept>
 
-
+#include <format>
 #if defined(OMATH_USE_AVX2) && defined(__i386__) && defined(__x86_64__)
 #include <immintrin.h>
 #include <format>
diff --git a/tests/engines/unit_test_iw_engine.cpp b/tests/engines/unit_test_iw_engine.cpp
index 679af03..86b7d0b 100644
--- a/tests/engines/unit_test_iw_engine.cpp
+++ b/tests/engines/unit_test_iw_engine.cpp
@@ -27,6 +27,42 @@ TEST(UnitTestIwEngine, UpVector)
     EXPECT_EQ(up, omath::iw_engine::kAbsUp);
 }
 
+TEST(UnitTestIwEngine, ForwardVectorRotationYaw)
+{
+    omath::iw_engine::ViewAngles angles;
+
+    angles.yaw = omath::iw_engine::YawAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::iw_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::iw_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::iw_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::iw_engine::kAbsRight.z, 0.00001f);
+}
+
+TEST(UnitTestIwEngine, ForwardVectorRotationPitch)
+{
+    omath::iw_engine::ViewAngles angles;
+
+    angles.pitch = omath::iw_engine::PitchAngle::FromDegrees(-89.f);
+
+    const auto forward = omath::iw_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::iw_engine::kAbsUp.x, 0.02f);
+    EXPECT_NEAR(forward.y, omath::iw_engine::kAbsUp.y, 0.01f);
+    EXPECT_NEAR(forward.z, omath::iw_engine::kAbsUp.z, 0.01f);
+}
+
+TEST(UnitTestIwEngine, ForwardVectorRotationRoll)
+{
+    omath::iw_engine::ViewAngles angles;
+
+    angles.roll = omath::iw_engine::RollAngle::FromDegrees(90.f);
+
+    const auto forward = omath::iw_engine::UpVector(angles);
+    EXPECT_NEAR(forward.x, omath::iw_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::iw_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::iw_engine::kAbsRight.z, 0.00001f);
+}
+
 TEST(UnitTestIwEngine, ProjectTargetMovedFromCamera)
 {
     constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
diff --git a/tests/engines/unit_test_open_gl.cpp b/tests/engines/unit_test_open_gl.cpp
index 5e0a462..170b306 100644
--- a/tests/engines/unit_test_open_gl.cpp
+++ b/tests/engines/unit_test_open_gl.cpp
@@ -10,14 +10,12 @@
 TEST(UnitTestOpenGL, ForwardVector)
 {
     const auto forward = omath::opengl_engine::ForwardVector({});
-
     EXPECT_EQ(forward, omath::opengl_engine::kAbsForward);
 }
 
 TEST(UnitTestOpenGL, RightVector)
 {
     const auto right = omath::opengl_engine::RightVector({});
-
     EXPECT_EQ(right, omath::opengl_engine::kAbsRight);
 }
 
@@ -27,6 +25,44 @@ TEST(UnitTestOpenGL, UpVector)
     EXPECT_EQ(up, omath::opengl_engine::kAbsUp);
 }
 
+TEST(UnitTestOpenGL, ForwardVectorRotationYaw)
+{
+    omath::opengl_engine::ViewAngles angles;
+
+    angles.yaw = omath::opengl_engine::YawAngle::FromDegrees(90.f);
+
+    const auto forward = omath::opengl_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::opengl_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::opengl_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::opengl_engine::kAbsRight.z, 0.00001f);
+}
+
+
+
+TEST(UnitTestOpenGL, ForwardVectorRotationPitch)
+{
+    omath::opengl_engine::ViewAngles angles;
+
+    angles.pitch = omath::opengl_engine::PitchAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::opengl_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::opengl_engine::kAbsUp.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::opengl_engine::kAbsUp.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::opengl_engine::kAbsUp.z, 0.00001f);
+}
+
+TEST(UnitTestOpenGL, ForwardVectorRotationRoll)
+{
+    omath::opengl_engine::ViewAngles angles;
+
+    angles.roll = omath::opengl_engine::RollAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::opengl_engine::UpVector(angles);
+    EXPECT_NEAR(forward.x, omath::opengl_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::opengl_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::opengl_engine::kAbsRight.z, 0.00001f);
+}
+
 TEST(UnitTestOpenGL, ProjectTargetMovedFromCamera)
 {
     constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
diff --git a/tests/engines/unit_test_source_engine.cpp b/tests/engines/unit_test_source_engine.cpp
index c129249..eebd58e 100644
--- a/tests/engines/unit_test_source_engine.cpp
+++ b/tests/engines/unit_test_source_engine.cpp
@@ -27,6 +27,42 @@ TEST(UnitTestSourceEngine, UpVector)
     EXPECT_EQ(up, omath::source_engine::kAbsUp);
 }
 
+TEST(UnitTestSourceEngine, ForwardVectorRotationYaw)
+{
+    omath::source_engine::ViewAngles angles;
+
+    angles.yaw = omath::source_engine::YawAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::source_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::source_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::source_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::source_engine::kAbsRight.z, 0.00001f);
+}
+
+TEST(UnitTestSourceEngine, ForwardVectorRotationPitch)
+{
+    omath::source_engine::ViewAngles angles;
+
+    angles.pitch = omath::source_engine::PitchAngle::FromDegrees(-89.f);
+
+    const auto forward = omath::source_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::source_engine::kAbsUp.x, 0.02f);
+    EXPECT_NEAR(forward.y, omath::source_engine::kAbsUp.y, 0.01f);
+    EXPECT_NEAR(forward.z, omath::source_engine::kAbsUp.z, 0.01f);
+}
+
+TEST(UnitTestSourceEngine, ForwardVectorRotationRoll)
+{
+    omath::source_engine::ViewAngles angles;
+
+    angles.roll = omath::source_engine::RollAngle::FromDegrees(90.f);
+
+    const auto forward = omath::source_engine::UpVector(angles);
+    EXPECT_NEAR(forward.x, omath::source_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::source_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::source_engine::kAbsRight.z, 0.00001f);
+}
+
 TEST(UnitTestSourceEngine, ProjectTargetMovedFromCamera)
 {
     constexpr auto fov = omath::projection::FieldOfView::FromDegrees(90.f);
diff --git a/tests/engines/unit_test_unity_engine.cpp b/tests/engines/unit_test_unity_engine.cpp
index 2e0daaa..7fb95a2 100644
--- a/tests/engines/unit_test_unity_engine.cpp
+++ b/tests/engines/unit_test_unity_engine.cpp
@@ -14,6 +14,42 @@ TEST(UnitTestUnityEngine, ForwardVector)
     EXPECT_EQ(forward, omath::unity_engine::kAbsForward);
 }
 
+TEST(UnitTestUnityEngine, ForwardVectorRotationYaw)
+{
+    omath::unity_engine::ViewAngles angles;
+
+    angles.yaw = omath::unity_engine::YawAngle::FromDegrees(90.f);
+
+    const auto forward = omath::unity_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::unity_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::unity_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::unity_engine::kAbsRight.z, 0.00001f);
+}
+
+TEST(UnitTestUnityEngine, ForwardVectorRotationPitch)
+{
+    omath::unity_engine::ViewAngles angles;
+
+    angles.pitch = omath::unity_engine::PitchAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::unity_engine::ForwardVector(angles);
+    EXPECT_NEAR(forward.x, omath::unity_engine::kAbsUp.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::unity_engine::kAbsUp.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::unity_engine::kAbsUp.z, 0.00001f);
+}
+
+TEST(UnitTestUnityEngine, ForwardVectorRotationRoll)
+{
+    omath::unity_engine::ViewAngles angles;
+
+    angles.roll = omath::unity_engine::RollAngle::FromDegrees(-90.f);
+
+    const auto forward = omath::unity_engine::UpVector(angles);
+    EXPECT_NEAR(forward.x, omath::unity_engine::kAbsRight.x, 0.00001f);
+    EXPECT_NEAR(forward.y, omath::unity_engine::kAbsRight.y, 0.00001f);
+    EXPECT_NEAR(forward.z, omath::unity_engine::kAbsRight.z, 0.00001f);
+}
+
 TEST(UnitTestUnityEngine, RightVector)
 {
     const auto right = omath::unity_engine::RightVector({});