fixed input over ui writing pixels

Scripts/Main.cs

@@ -29,7 +29,7 @@ public partial class Main : Node2D {
 		mLevelDrawer.Texture = ImageTexture.CreateFromImage(mLevel.DrawLevel());
 	}
 
-	public override void _Input(InputEvent @event) {
+	public override void _UnhandledInput(InputEvent @event) {
 		if (@event is InputEventMouseButton eventMouseButton) {
 
 			if (eventMouseButton.IsPressed()) {
@@ -40,6 +40,8 @@ public partial class Main : Node2D {
 
 				mLevel.WritePixel<Dirt>((int)mappedX, (int)mappedY, BrushSize);
 			}
+		} else base._UnhandledInput(@event);
+	}
 		}
 	}
 }