Implement pause menu

Source/MyProject3/SpaceShooterHUD.cpp

@@ -84,11 +84,18 @@ void ASpaceShooterHUD::DrawHUD()
     ASpaceShooterGameMode* GameMode = GetGameMode();
     if (!GameMode) return;
 
-    if (!GameMode->IsGameOver())
+    APlayerController* PC = GetWorld()->GetFirstPlayerController();
+    bool bIsPaused = PC && PC->IsPaused();
+
+    if (!GameMode->IsGameOver() && bIsPaused)
+    {
+        DrawPauseScreen();
+    }
+    if (!GameMode->IsGameOver() && !bIsPaused)
     {
         DrawGameplayHUD();
     }
-    else
+	if (GameMode->IsGameOver())
     {
         DrawGameOverScreen();
     }
@@ -113,6 +120,51 @@ void ASpaceShooterHUD::DrawGameplayHUD()
     DrawStatusBars();
 }
 
+void ASpaceShooterHUD::DrawPauseScreen()
+{
+    if (!Canvas) return;
+
+    // Draw semi-transparent dark overlay (this creates a "blur-like" effect)
+    FCanvasBoxItem BoxItem(FVector2D(0, 0), FVector2D(Canvas->SizeX, Canvas->SizeY));
+    BoxItem.SetColor(FLinearColor(0.0f, 0.0f, 0.0f, 0.75f));  // More opaque for better readability
+    Canvas->DrawItem(BoxItem);
+
+    // Draw "GAME PAUSED" text
+    FString PauseText = TEXT("GAME PAUSED");
+    float TextWidth, TextHeight;
+    GetTextSize(PauseText, TextWidth, TextHeight, TextFont, PauseTextScale);
+
+    // Center the text
+    float PosX = (Canvas->SizeX - TextWidth) * 0.5f;
+    float PosY = (Canvas->SizeY - TextHeight) * 0.5f;
+
+    // Draw text shadow for better visibility
+    DrawText(PauseText,
+        FLinearColor(0.0f, 0.0f, 0.0f, 1.0f),
+        PosX + 2.0f,
+        PosY + 2.0f,
+        TextFont,
+        PauseTextScale);
+
+    // Draw main text
+    DrawText(PauseText,
+        FLinearColor(1.0f, 1.0f, 1.0f, 1.0f),
+        PosX,
+        PosY,
+        TextFont,
+        PauseTextScale);
+
+    // Draw "Press ESC to Resume" text
+    FString ResumeText = TEXT("Press ESC to Resume");
+    GetTextSize(ResumeText, TextWidth, TextHeight, TextFont);
+
+    DrawText(ResumeText,
+        FLinearColor(1.0f, 1.0f, 1.0f, 0.8f),
+        (Canvas->SizeX - TextWidth) * 0.5f,
+        PosY + TextHeight * 3,
+        TextFont);
+}
+
 void ASpaceShooterHUD::DrawGameOverBackground()
 {
     if (!Canvas) return;