extend api for draw phase

openVulkanoCpp/Scene/Drawable.hpp

@@ -32,7 +32,7 @@ namespace OpenVulkano::Scene
 		Scene* m_scene = nullptr;
 		Shader* m_shader = nullptr;
 		const DrawEncoder m_encoder;
-		const DrawPhase m_drawPhase;
+		DrawPhase m_drawPhase;
 
 	public:
 		explicit Drawable(const DrawEncoder& encoder,
@@ -45,6 +45,8 @@ namespace OpenVulkano::Scene
 
 		void SetShader(Shader* shader) { m_shader = shader; }
 
+		void SetDrawPhase(DrawPhase phase) { m_drawPhase = phase; }
+
 		[[nodiscard]] Scene* GetScene() const { return m_scene; }
 
 		[[nodiscard]] const auto& GetNodes() const { return m_nodes; }