//Main Program
static void Main(string[] args)
{
// Set the Foreground color to blue
Console.BackgroundColor
= ConsoleColor.Black;
// Display current Foreground color
Console.ForegroundColor
= ConsoleColor.Gray;
byte right = 0;
byte left = 1;
byte down = 2;
byte up = 3;
int lastFoodTime = 0;
int negativePoints = 0;
int foodDissapearTime = 0;
double sleepTime = 0;
Position[] directions = new Position[4];
Random rand = new Random();
int showMenu = 0;
while (showMenu == 0)
{
showMenu = MainMenu();//main menu
}
if (showMenu == 1)
{ // Normal Mode
foodDissapearTime = 15000;
sleepTime = 100;
}
if (showMenu == 2)
{ // Hard Mode
foodDissapearTime = 7500;
sleepTime = 50;
}
Snake s = new Snake();
// Define direction with characteristic of index of array
s.BgMusic();
s.Direction(directions);
List <Position> obstacles = new List <Position>();
if (showMenu == 1)
{
s.Obstacles(obstacles);
}
if (showMenu == 2)
{
s.Obstacles(obstacles);
obstacles.Add(new Position(rand.Next(1, Console.WindowHeight), rand.Next(0, Console.WindowWidth)));
obstacles.Add(new Position(rand.Next(1, Console.WindowHeight), rand.Next(0, Console.WindowWidth)));
obstacles.Add(new Position(rand.Next(1, Console.WindowHeight), rand.Next(0, Console.WindowWidth)));
obstacles.Add(new Position(rand.Next(1, Console.WindowHeight), rand.Next(0, Console.WindowWidth)));
obstacles.Add(new Position(rand.Next(1, Console.WindowHeight), rand.Next(0, Console.WindowWidth)));
}
//Initializes the direction of the snakes head and the food timer and the speed of the snake.
int direction = right;
Console.BufferHeight = Console.WindowHeight;
lastFoodTime = Environment.TickCount;
Console.Clear();
Thread.Sleep(2000);
//Loop to show obstacles in the console window
foreach (Position obstacle in obstacles)
{
Console.SetCursorPosition(obstacle.col, obstacle.row);
s.DrawObstacle();
}
//Initialise the snake position in top left corner of the windows
//The snakes length is reduced to 3* instead of 5.
Queue <Position> snakeElements = new Queue <Position>();
for (int i = 0; i <= 3; i++)
{
snakeElements.Enqueue(new Position(0, i));
}
//To position food randomly in the console
Position food = new Position();
do
{
food = new Position(rand.Next(0, Console.WindowHeight), //Food generated within limits of the console height
rand.Next(0, Console.WindowWidth)); //Food generated within the limits of the console width
}
//loop to continue putting food in the game
//put food in random places with "@" symbol
while (snakeElements.Contains(food) || obstacles.Contains(food));
Console.SetCursorPosition(food.col, food.row);
s.DrawFood();
//during the game, the snake is shown with "*" symbol
foreach (Position position in snakeElements)
{
Console.SetCursorPosition(position.col, position.row);
s.DrawSnakeBody();
}
while (true)
{
//negative points increased if the food is not eaten in time
negativePoints++;
s.CheckUserInput(ref direction, right, left, down, up);
//Manages the position of the snakes head.
Position snakeHead = snakeElements.Last();
Position nextDirection = directions[direction];
//Snake position when it goes through the terminal sides
Position snakeNewHead = new Position(snakeHead.row + nextDirection.row,
snakeHead.col + nextDirection.col);
if (snakeNewHead.col < 0)
{
snakeNewHead.col = Console.WindowWidth - 2;
}
if (snakeNewHead.row < 0)
{
snakeNewHead.row = Console.WindowHeight - 2;
}
if (snakeNewHead.row >= Console.WindowHeight)
{
snakeNewHead.row = 0;
}
if (snakeNewHead.col >= Console.WindowWidth)
{
snakeNewHead.col = 0;
}
int gameOver = s.GameOver(snakeElements, snakeNewHead, negativePoints, obstacles);
if (gameOver == 1) //if snake hits an obstacle then its gameover
{
return;
}
//The position of the snake head according the body
Console.SetCursorPosition(snakeHead.col, snakeHead.row);
s.DrawSnakeBody();
//Snake head shape when the user presses the key to change his direction
snakeElements.Enqueue(snakeNewHead);
Console.SetCursorPosition(snakeNewHead.col, snakeNewHead.row);
Console.ForegroundColor = ConsoleColor.DarkGray;
if (direction == right)
{
Console.Write(">"); //Snakes head when moving right
}
if (direction == left)
{
Console.Write("<"); //Snakes head when moving left
}
if (direction == up)
{
Console.Write("^"); //Snakes head when moving up
}
if (direction == down)
{
Console.Write("v"); //Snakes head when moving down
}
// food will be positioned in different column and row from snakes head
if (snakeNewHead.col == food.col && snakeNewHead.row == food.row)
{
Console.Beep();//Beep when food is eaten
do
{
food = new Position(rand.Next(0, Console.WindowHeight),
rand.Next(0, Console.WindowWidth));
}
//if the snake consumes the food, lastfoodtime will be reset
//new food will be drawn and the snakes speed will increase
while (snakeElements.Contains(food) || obstacles.Contains(food));
lastFoodTime = Environment.TickCount;
Console.SetCursorPosition(food.col, food.row);
s.DrawFood();
sleepTime--;
//setting the obstacles in the game randomly
Position obstacle = new Position();
do
{
obstacle = new Position(rand.Next(0, Console.WindowHeight),
rand.Next(0, Console.WindowWidth));
}
//new obstacle will not be placed in the current position of the snake and previous obstacles.
//new obstacle will not be placed at the same row & column of food
while (snakeElements.Contains(obstacle) ||
obstacles.Contains(obstacle) ||
(food.row != obstacle.row && food.col != obstacle.row));
obstacles.Add(obstacle);
Console.SetCursorPosition(obstacle.col, obstacle.row);
s.DrawObstacle();
}
else
{
// snakes movement shown by blank spaces
Position last = snakeElements.Dequeue();
Console.SetCursorPosition(last.col, last.row);
Console.Write(" ");
}
//if snake didnt eat in time, 50 will be added to negative points
//draw new food randomly after the previous one is eaten
if (Environment.TickCount - lastFoodTime >= foodDissapearTime)
{
negativePoints = negativePoints + 50;
Console.SetCursorPosition(food.col, food.row);
Console.Write(" ");
do
{
food = new Position(rand.Next(0, Console.WindowHeight),
rand.Next(0, Console.WindowWidth));
}while (snakeElements.Contains(food) || obstacles.Contains(food));
lastFoodTime = Environment.TickCount;
}
//draw food with @ symbol
Console.SetCursorPosition(food.col, food.row);
s.DrawFood();
//snake moving speed increased by 0.01.
sleepTime -= 0.01;
//pause the execution of snake moving speed
Thread.Sleep((int)sleepTime);
}
}