Snake food works with vertical movement

Snake food works with vertical movement, however horizontal movement is unchanging. Will look into getting a fix for it soon.

src/GameState.cpp

@@ -1,4 +1,4 @@
-// #include <iostream>
+// GameState.cpp
 #include <SFML\Graphics.hpp>
 #include <SFML\System.hpp>
 #include "Snake.h"
@@ -24,7 +24,7 @@ GameState::GameState(int newHorizontal, int newVertical)
 void GameState::startNewGame()
 {
     gameWindow.create(gameVideoMode, "SnakePlusPlus");
-    sf::Time delay = sf::milliseconds(25);
+    sf::Time delay = sf::milliseconds(50);
     int snakeDirection = 0;
     Snake player(sf::Vector2f(25,25));
     SnakeFood playerFood(sf::Vector2f(25,25));
@@ -37,15 +37,8 @@ void GameState::startNewGame()
             if ((event.type == sf::Event::Closed) || (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
                 gameWindow.close();
         }
-        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left))
+        player.CheckDirection();
-            snakeDirection = 1;
+        player.MoveSnake(playerFood, gameVideoMode);
-        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
-            snakeDirection = 2;
-        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
-            snakeDirection = 3;
-        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
-            snakeDirection = 4;
-        player.MoveSnake(playerFood.snakeFoodObject);
         gameWindow.clear();
         player.DisplaySnake(gameWindow);
         gameWindow.draw(playerFood.snakeFoodObject);

src/Snake.cpp

@@ -1,6 +1,8 @@
+// Snake.cpp
 #include <iostream>
 #include <SFML\Graphics.hpp>
 #include "Snake.h"
+#include "SnakeFood.h"
 
 // Test for collision between two objects
 bool SnakeCollision(sf::RectangleShape object1, sf::RectangleShape object2)
@@ -64,9 +66,9 @@ sf::Vector2f CalculateNewPosition(int direction, sf::Vector2f position)
 }
 
 // Move snake based on direction and test for eating food
-void Snake::MoveSnake(sf::RectangleShape& snakeFood)
+void Snake::MoveSnake(SnakeFood& snakeFood, sf::VideoMode gameVideoMode)
 {
-    CheckDirection();
+    // CheckDirection();
     sf::Vector2f newHeadPosition;
     newHeadPosition = GetSnakeHeadPosition();
     if (CheckBoundaries())
@@ -80,15 +82,9 @@ void Snake::MoveSnake(sf::RectangleShape& snakeFood)
     }
     newBodyPart.setFillColor(sf::Color::Green);
     snakeBody.push_front(newBodyPart);
-    if (!SnakeCollision(GetSnakeHead(), snakeFood))
+    if (!SnakeCollision(GetSnakeHead(), snakeFood.snakeFoodObject))
         snakeBody.pop_back();
-    else if (SnakeCollision(GetSnakeHead(), snakeFood))
+    SnakeFoodCollision(snakeFood, gameVideoMode);
-    {
-        sf::Vector2f snakeFoodPosition = snakeFood.getPosition();
-        snakeFoodPosition.x += 25;
-        snakeFoodPosition.y += 25;
-        snakeFood.setPosition(snakeFoodPosition.x, snakeFoodPosition.y);
-    }
     return;
 }
 
@@ -131,6 +127,16 @@ bool Snake::IsSelfCollision(sf::RectangleShape testRectangle)
     return false;
 }
 
+// If player collides with food then generate until no longer collided with food
+void Snake::SnakeFoodCollision(SnakeFood& snakeFood, sf::VideoMode gameVideoMode)
+{
+    while(IsSelfCollision(snakeFood.snakeFoodObject))
+    {
+        snakeFood.GenerateNewLocation(gameVideoMode.width, gameVideoMode.height);
+    }
+    return;
+}
+
 // General constructor for snake class
 Snake::Snake()
 {

src/Snake.h

@@ -2,6 +2,7 @@
 #ifndef SNAKE_H
 #define SNAKE_H
 #include <queue>
+#include "SnakeFood.h"
 
 bool SnakeCollision(sf::RectangleShape object1, sf::RectangleShape object2);
 int SnakeMovement();
@@ -18,7 +19,8 @@ public:
     sf::Vector2f GetSnakeHeadPosition();
     sf::RectangleShape GetSnakeHead();
     void DisplaySnake(sf::RenderWindow& window);
-    void MoveSnake(sf::RectangleShape& snakeFood);
+    void MoveSnake(SnakeFood& playerFood, sf::VideoMode gameVideoMode);
+    void SnakeFoodCollision(SnakeFood& snakeFood, sf::VideoMode gameVideoMode);
     void CheckDirection();
     bool CheckBoundaries();
     bool IsSelfCollision(sf::RectangleShape testRectangle);

src/SnakeFood.cpp

@@ -1,3 +1,4 @@
+// SnakeFood.cpp
 #include <random>
 #include "SnakeFood.h"
 
@@ -13,11 +14,18 @@ SnakeFood::SnakeFood(sf::Vector2f snakeFoodSize)
     snakeFoodObject.setFillColor(sf::Color::Red);
 }
 
-int SnakeFood::GenerateNewLocation(int maxLocation)
+void SnakeFood::GenerateNewLocation(int horizontalLocation, int verticalLocation)
 {
-    int newPosition;
+    sf::Vector2f newPosition;
-    std::default_random_engine generator;
+    std::default_random_engine generator(time(NULL));
-    std::uniform_int_distribution<int> distribution(0, maxLocation);
+    std::uniform_int_distribution<int> distributionX(0, horizontalLocation);
-    newPosition = distribution(generator);
+    std::uniform_int_distribution<int> distributionY(0, verticalLocation);
-    return newPosition;
+    int newX = distributionX(generator);
+    int newY = distributionY(generator);
+    newX = newX - (newX % 25) - 25;
+    newY = newY - (newY % 25) - 25;
+    newPosition.x = newX;
+    newPosition.y = newY;
+    snakeFoodObject.setPosition(newPosition);
+    return;
 }

src/SnakeFood.h

@@ -10,7 +10,7 @@ public:
     sf::RectangleShape snakeFoodObject;
     SnakeFood();
     SnakeFood(sf::Vector2f snakeFoodSize);
-    int GenerateNewLocation(int maxLocation);
+    void GenerateNewLocation(int horizontalLocation, int verticalLocation);
 };
 
 #endif