Added boundaries for snake movement

Snake is now limited to a hard-coded boundary. Boundary is planned to be changed to no longer be hard-coded.

src/Snake.cpp

@@ -20,10 +20,8 @@ bool SnakeCollision(sf::RectangleShape object1, sf::RectangleShape object2)
 }
 
 // Move snake head piece
-int SnakeMovement()
+void Snake::CheckDirection()
 {
-    std::cout << "Test text \n";
-    int snakeDirection = 0;
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left))
         snakeDirection = 1;
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
@@ -32,7 +30,22 @@ int SnakeMovement()
         snakeDirection = 3;
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
         snakeDirection = 4;
-    return snakeDirection;
+    return;
+}
+
+// Check snake head for running into boundaries
+bool Snake::CheckBoundaries()
+{
+    if (snakeBody.front().getPosition().x == 0 && snakeDirection == 1)
+        return 1;
+    if (snakeBody.front().getPosition().y == 0 && snakeDirection == 2)
+        return 1;
+    // TODO: Change boundaries to not be hard-coded
+    if (snakeBody.front().getPosition().y > 675 && snakeDirection == 3)
+        return 1;
+    if (snakeBody.front().getPosition().x > 975 && snakeDirection == 4)
+        return 1;
+    return 0;
 }
 
 sf::Vector2f CalculateNewPosition(int direction, sf::Vector2f position)
@@ -56,13 +69,15 @@ void Snake::ExtendSnake()
     return;
 }
 
-void Snake::MoveSnake(int snakeDirection)
+void Snake::MoveSnake()
 {
     // Create a new deque RectangleShape and pop old
     // Todo: Depreciate ExtendSnake and just add a collision test
+    CheckDirection();
     sf::Vector2f newHeadPosition;
     newHeadPosition = GetSnakeHeadPosition();
-    newHeadPosition = CalculateNewPosition(snakeDirection, newHeadPosition);
+    if (!CheckBoundaries())
+        newHeadPosition = CalculateNewPosition(snakeDirection, newHeadPosition);
     sf::RectangleShape newBodyPart(sf::Vector2f(25,25));
     newBodyPart.setPosition(newHeadPosition);
     snakeBody.push_back(newBodyPart);

src/Snake.h

@@ -22,6 +22,7 @@ class Snake
 {
 private:
     std::deque<sf::RectangleShape> snakeBody;
+    int snakeDirection = 0;
 public:
     Snake();
     Snake(sf::Vector2f head);
@@ -31,7 +32,9 @@ public:
     sf::RectangleShape GetSnakeHead();
     void DisplaySnake(sf::RenderWindow& window);
     void ExtendSnake();
-    void MoveSnake(int snakeDirection); // Move only head body piece
+    void MoveSnake(); // Move only head body piece
+    void CheckDirection();
+    bool CheckBoundaries();
 };
 
 

src/main.cpp

@@ -27,7 +27,7 @@ int main()
     gameGridVertical = (videoSizeVertical // 25) * 25;
     */
     sf::RenderWindow window(sf::VideoMode(videoSizeHorizontal, videoSizeVertical), "SnakePlusPlus");
-    sf::Time delay = sf::milliseconds(5);
+    sf::Time delay = sf::milliseconds(100);
 
     int snakeDirection = 0;
     Snake Player(sf::Vector2f(25,25));
@@ -59,7 +59,7 @@ int main()
             snakeDirection = 3;
         if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
             snakeDirection = 4;
-        Player.MoveSnake(snakeDirection);
+        Player.MoveSnake();
         // if (SnakeCollision(snakeHead, snakeFood))
         // {
         //     snakeFoodPosition.x += 25;
@@ -69,6 +69,6 @@ int main()
         window.draw(snakeFood);
         Player.DisplaySnake(window);
         window.display();
-        sf::sleep(delay);
+        // sf::sleep(delay);
     }
 }