// Private to prevent user from creating instance (singleton)
private GameManager()
{
State = new GameState();
SnakePosition = new List<Coord>();
SnakeDirection = new Direction();
DollarPosition = new Coord();
randomGenerator = new Random();
}
/**
function Init with the initialization of all the main variables
*/
public void Init()
{
gameOver = false;
pause = false;
inUse = false;
dir = new Direction();
dir.newDir = 2;
dir.lastDir = 2;
boardWidth = Console.WindowWidth;
boardHeight = Console.WindowHeight;
snake = new List<Coord>();
for(int i = 0; i<4; i++) {
snake.Add(new Coord(10, 10));
}
Console.CursorVisible = false;
Console.Title = "Westerdals Oslo ACT - SNAKE";
Console.ForegroundColor = ConsoleColor.Green;
Console.SetCursorPosition(10, 10);
Console.Write("@");
rand = new Random();
egg = new Coord();
while (true) {
egg.X = rand.Next(0, boardWidth);
egg.Y = rand.Next(0, boardHeight);
bool spot = true;
foreach (Coord i in snake)
if (i.X == egg.X && i.Y == egg.Y) {
spot = false;
break;
}
if (spot) {
Console.ForegroundColor = ConsoleColor.Green;
Console.SetCursorPosition(egg.X, egg.Y);
Console.Write("$");
break;
}
}
}
// Move snake 1 step on x or y axis
public void MoveSnake(Direction direction)
{
// Add 4 snake elements when game has been started
if (SnakePosition.Count < 4)
AddSnakeElement();
SnakeDirection = direction;
int addX = 0;
int addY = 0;
// Move position 1 pixel to direction
if (direction == Direction.Down)
addY = 1;
else if (direction == Direction.Up)
addY = -1;
else if (direction == Direction.Left)
addX = -1;
else if (direction == Direction.Right)
addX = 1;
// Get position of head and tail
Coord headPosition = SnakePosition.ElementAt(0);
Coord tailPosition = SnakePosition.ElementAt(SnakePosition.Count - 1);
// Add x or y pixel to head
int newX = headPosition.x + addX;
int newY = headPosition.y + addY;
// Set first body element position
int bodyX = headPosition.x;
int bodyY = headPosition.y;
// Remove last element (tail)
int tailX = tailPosition.x;
int tailY = tailPosition.y;
Console.SetCursorPosition(tailX, tailY);
Console.Write(" ");
SnakePosition.RemoveAt(SnakePosition.Count - 1);
// Add the new head to first element
SnakePosition.Insert(0, new Coord(newX, newY));
if (newX >= 0 && newY >= 0
&& newX < Board.BoardWidth
&& newY < Board.BoardHeight)
{
Console.SetCursorPosition(newX, newY);
Console.ForegroundColor = ConsoleColor.Yellow;
Console.Write("@");
// Overwrite character of second element to body character
Console.SetCursorPosition(bodyX, bodyY);
Console.Write("0");
}
CheckIfSnakeHitElements();
}