fixme: it compiles and shows the world with 4 textures which are in ther place where there should be but it does not move

SFMLEngine/makingAGameTick/Classes/Other/world.cpp

@@ -3,6 +3,7 @@
 
 #include <cstddef> // std::size_t
 #include "../SceneNodeDerrivatives/SpriteNode.hpp"
+#include "../SceneNodeDerrivatives/entity.hpp"
 
 World::World(sf::RenderWindow& window)
 : mWindow(window)
@@ -56,7 +57,7 @@ void World::buildScene()
   std::unique_ptr<Aircraft> leader(new Aircraft(Aircraft::Eagle, mTextures)); // we create the player's airplane
   mPlayerAircraft = leader.get();
   mPlayerAircraft -> setPosition(mSpawnPosition); // Set player position
-  mPlayerAircraft -> setVelocity(PLAYER_SIDEWARD_VELOCITY, mScrollSpeed); // forward velocity equals scroll speed, sideward velocity equals PLAYER_SIDEWARD_VELOCITY
+  mPlayerAircraft -> SetVelocity(PLAYER_SIDEWARD_VELOCITY, mScrollSpeed); // forward velocity equals scroll speed, sideward velocity equals PLAYER_SIDEWARD_VELOCITY
   mSceneLayers[Air] -> attachChild(std::move(leader)); // we attach the plane to the Air scene layer
 
   std::unique_ptr<Aircraft> leftEscort(new Aircraft(Aircraft::Raptor, mTextures)); // create new airplane
@@ -66,7 +67,28 @@ void World::buildScene()
   std::unique_ptr<Aircraft> rightEscort(new Aircraft(Aircraft::Raptor, mTextures)); // create new airplane
   rightEscort -> setPosition(RIGHT_ESCORT_X_POSITION, RIGHT_ESCORT_Y_POSITION); // Set new airplane position
   mPlayerAircraft -> attachChild(std::move(rightEscort)); // leftEscort is now a child of player aircraft and it will folow it!
+}
 
+void World::draw()
+{
+  mWindow.setView(mWorldView);
+  mWindow.draw(mSceneGraph);
+}
 
+void World::update(sf::Time deltaTime) // controls world scrolling and entity movement
+{
+  mWorldView.move(0.f, mScrollSpeed * deltaTime.asSeconds());
+
+  sf::Vector2f position = mPlayerAircraft -> getPosition();
+  sf::Vector2f velocity = mPlayerAircraft -> getVelocity();
+
+  if(position.x <= mWorldBounds.left + WORLD_MAX_DISTANCE_FROM_BOUNDARY || position.x >= mWorldBounds.left + mWorldBounds.width - WORLD_MAX_DISTANCE_FROM_BOUNDARY) // if the player gets too close to world bounds make its velocity negative so it comes back
+  {
+    velocity.x = -velocity.x;
+    mPlayerAircraft -> SetVelocity(velocity);
   }
+
+  mSceneGraph.update(deltaTime); // mSceneGraph actaully applies these velocities
+}
+
 #endif // WORLD_CPP

SFMLEngine/makingAGameTick/Classes/SceneNodeDerrivatives/entity.cpp

@@ -6,7 +6,7 @@ void Entity::SetVelocity(sf::Vector2f velocity)
   mVelocity = velocity;
 }
 
-void Entity::setVelocity(float velocityX, float velocityY)
+void Entity::SetVelocity(float velocityX, float velocityY)
 {
   mVelocity.x = velocityX;
   mVelocity.y = velocityY;

SFMLEngine/makingAGameTick/Classes/SceneNodeDerrivatives/entity.hpp

@@ -7,7 +7,7 @@ class Entity : public SceneNode
 {
   public:
     void SetVelocity(sf::Vector2f velocity);
-    void setVelocity(float velocityX, float velocityY);
+    void SetVelocity(float velocityX, float velocityY);
     sf::Vector2f getVelocity() const;
 
   private:

SFMLEngine/makingAGameTick/constants.hpp

@@ -42,5 +42,6 @@ const float WORLD_TOP_Y_POSITION = 0;
 // const float WORLD_WIDTH = 0; by default mWorldView.getSize().x
 const float WORLD_HEIGHT = 2000;
 const float WORLD_SCROLL_SPEED = -1;
+const float WORLD_MAX_DISTANCE_FROM_BOUNDARY = 150;
 
 #endif // CONSTANTS_HPP

SFMLEngine/makingAGameTick/game.cpp

@@ -16,7 +16,7 @@
 
 
 
-class Game
+class Game : private sf::NonCopyable
 {
   public:
     Game(); // Sets up player radius, position and fill color
@@ -35,15 +35,27 @@ class Game
     sf::RenderWindow mWindow;
     TextureHolder mTexture;
     sf::Sprite mPlayer;
+    World mWorld;
 };
 
-Game::Game() : mWindow(sf::VideoMode(640, 480), "SFML Application"), mTexture(), mPlayer()
+Game::Game()
+: mWindow(sf::VideoMode(640, 480), "World", sf::Style::Close)
+, mWorld(mWindow)
+/* , mFont()
+, mStatisticsText()
+, mStatisticsUpdateTime()
+, mStatisticsNumFrames(0)
+*/
 {
-  mTexture.load(Textures::Eagle, PATH_TO_PLAYER_TEXTURE);
-  mPlayer.setTexture(mTexture.get(Textures::Eagle));
-  mPlayer.setPosition(PLAYER_X_POSITION, PLAYER_Y_POSITION);
+	/* mFont.loadFromFile("Media/Sansation.ttf");
+	mStatisticsText.setFont(mFont);
+	mStatisticsText.setPosition(5.f, 5.f);
+	mStatisticsText.setCharacterSize(10);
+  */
 }
 
+
+// Resposible for managing game loop - fetching input form the window system, updating the world, and ordering the rendering of the game
 void Game::run()
 {
   /* Other useful frame rate related tecnhiques:
@@ -126,7 +138,10 @@ void Game::update(sf::Time deltaTime)
 void Game::render()
 {
   mWindow.clear();
-  mWindow.draw(mPlayer);
+  mWorld.draw();
+
+  mWindow.setView(mWindow.getDefaultView());
+  // mWindow.draw(mStatisticsText);
   mWindow.display();
 }