Create CameraController interface and following camera implementation

api/src/main/java/com/bartlomiejpluta/base/lib/camera/CameraController.java

@@ -0,0 +1,5 @@
+package com.bartlomiejpluta.base.lib.camera;
+
+public interface CameraController {
+   void update();
+}

api/src/main/java/com/bartlomiejpluta/base/lib/camera/FollowingCameraController.java

@@ -0,0 +1,50 @@
+package com.bartlomiejpluta.base.lib.camera;
+
+import com.bartlomiejpluta.base.api.camera.Camera;
+import com.bartlomiejpluta.base.api.map.model.GameMap;
+import com.bartlomiejpluta.base.api.screen.Screen;
+import lombok.NonNull;
+import org.joml.Vector2fc;
+
+public class FollowingCameraController implements CameraController {
+   private final Vector2fc screenSize;
+   private final Vector2fc mapSize;
+   private final Camera camera;
+
+   private Vector2fc target;
+
+   private FollowingCameraController(@NonNull Screen screen, @NonNull Camera camera, @NonNull GameMap map) {
+      this.screenSize = screen.getSize();
+      this.camera = camera;
+      this.mapSize = map.getSize();
+   }
+
+   public FollowingCameraController follow(@NonNull Vector2fc target) {
+      this.target = target;
+      return this;
+   }
+
+   public FollowingCameraController stop() {
+      this.target = null;
+      return this;
+   }
+
+   @Override
+   public void update() {
+      if (target != null) {
+         final var bottomRightConstraintX = mapSize.x() - screenSize.x() / camera.getScaleX();
+         final var bottomRightConstraintY = mapSize.y() - screenSize.y() / camera.getScaleY();
+         final var newCameraPosX = target.x() - screenSize.x() / (2f * camera.getScaleX());
+         final var newCameraPosY = target.y() - screenSize.y() / (2f * camera.getScaleY());
+
+         camera.setPosition(
+               (newCameraPosX < bottomRightConstraintX) ? (newCameraPosX > 0 ? newCameraPosX : 0) : bottomRightConstraintX,
+               (newCameraPosY < bottomRightConstraintY) ? (newCameraPosY > 0 ? newCameraPosY : 0) : bottomRightConstraintY
+         );
+      }
+   }
+
+   public static FollowingCameraController on(Screen screen, Camera camera, GameMap map) {
+      return new FollowingCameraController(screen, camera, map);
+   }
+}