Moved snakeFood to be a separate class

Moved snakeFood to be a separate class and a temporary unused function was added for randomly generating the new location.

src/SnakeFood.cpp

@@ -0,0 +1,24 @@
+#include <random>
+#include "SnakeFood.h"
+
+SnakeFood::SnakeFood()
+{
+    snakeFoodObject.setSize(sf::Vector2f(25,25));
+    snakeFoodObject.setFillColor(sf::Color::Red);
+}
+
+SnakeFood::SnakeFood(sf::Vector2f snakeFoodSize)
+{
+    snakeFoodObject.setSize(snakeFoodSize);
+    snakeFoodObject.setFillColor(sf::Color::Red);
+}
+
+void SnakeFood::GenerateNewLocation(int maxLocation)
+{
+    sf::Vector2f newPosition;
+    std::default_random_engine generator;
+    std::uniform_int_distribution<int> distribution(0, maxLocation);
+    newPosition.x = distribution(generator);
+    newPosition.y = distribution(generator);
+    snakeFoodObject.setPosition(newPosition);
+}