Extracted speed property

src/game/player/player.cpp

@@ -22,7 +22,7 @@ void Player::update()
     }
 
     auto moveDirection = input->direction.asIsometricVector();
-    auto moveDelta = moveDirection * 30.0f * FRAME_TIME.asSeconds();
+    auto moveDelta = moveDirection * speed * FRAME_TIME.asSeconds();
     coordinates.move(moveDelta);
     circle->coordinates.set(coordinates);
 }

src/game/player/player.hpp

@@ -22,6 +22,8 @@ public:
 
     TrackableState getTrackableState() const override;
 
+    float speed = 30.0f;
+
 private:
     CircleObject *circle;
     std::shared_ptr<InputIdentity> input;