introduce intersectable interface

openVulkanoCpp/Scene/IRayIntersectable.hpp

@@ -0,0 +1,18 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "Scene/Ray.hpp"
+
+namespace OpenVulkano::Scene
+{
+	class IRayIntersectable
+	{
+	public:
+		virtual std::optional<RayHit> Intersect(const Ray& ray) const = 0;
+	};
+}