moving from .h to .hpp to make thing more clear

include/omath/prediction/Engine.hpp

@@ -0,0 +1,39 @@
+//
+// Created by Vlad on 6/9/2024.
+//
+
+#pragma once
+
+#include <optional>
+#include "omath/Vector3.hpp"
+#include "omath/prediction/Projectile.hpp"
+#include "omath/prediction/Target.hpp"
+
+
+namespace omath::prediction
+{
+    class Engine final
+    {
+    public:
+        explicit Engine(float gravityConstant, float simulationTimeStep,
+                        float maximumSimulationTime, float distanceTolerance);
+
+        [[nodiscard]]
+        std::optional<Vector3> MaybeCalculateAimPoint(const Projectile& projectile, const Target& target) const;
+
+    private:
+        const float m_gravityConstant;
+        const float m_simulationTimeStep;
+        const float m_maximumSimulationTime;
+        const float m_distanceTolerance;
+
+        [[nodiscard]]
+        std::optional<float> MaybeCalculateProjectileLaunchPitchAngle(const Projectile& projectile,
+                                                                      const Vector3& targetPosition) const;
+
+
+        [[nodiscard]]
+        bool IsProjectileReachedTarget(const Vector3& targetPosition, const Projectile& projectile, float pitch, float time) const;
+
+    };
+}