Implement pause menu

Source/MyProject3/SpaceshipPlayerController.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/PlayerController.h"
+#include "SpaceshipPlayerController.generated.h"
+
+UCLASS()
+class MYPROJECT3_API ASpaceshipPlayerController : public APlayerController
+{
+    GENERATED_BODY()
+
+public:
+    ASpaceshipPlayerController();
+
+protected:
+    virtual void BeginPlay() override;
+    virtual void SetupInputComponent() override;
+
+    // Input Action for pausing
+    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+    class UInputAction* PauseAction;
+
+    // Input Mapping Context
+    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+    class UInputMappingContext* DefaultMappingContext;
+
+private:
+    // Post process component for blur effect
+    UPROPERTY()
+    class UPostProcessComponent* BlurPostProcess;
+
+    void HandlePauseAction();
+};