protected override void Update(GameTime gameTime)
{
//handle key press
if (snake.IsAlive)
{
timeSinceLastBadAppleSpawned += gameTime.ElapsedGameTime.TotalSeconds;
if (inputManager.WasAnyKeyPressed())
{
newDirection = inputManager.GetDirectionFromValidInput();
}
if (gameManager.Tick(gameTime.ElapsedGameTime.TotalSeconds))
{
snake.Move(newDirection);
if (timeSinceLastBadAppleSpawned > timeToSpawnBadApple)
{
Apple newBadApple = new Apple(snake.Body.Select(x => x.Position).ToArray(), true);
badApples.Add(newBadApple);
timeToSpawnBadApple = new Random().Next(3, 8);
timeSinceLastBadAppleSpawned = 0;
}
if (snake.IsAlive)
{
if (gameManager.CheckCollision(snake.Body[0].Position, apple.Position))
{
//concat the bad apple positions to the snake positions so good apple doesn't spawn on existing bad apple
apple.DropApple(snake.Body.Select(x => x.Position).Concat(badApples.Select(x => x.Position)).ToArray());
snake.Grow();
}
foreach (var badApple in badApples)
{
if (gameManager.CheckCollision(snake.Body[0].Position, badApple.Position))
{
gameManager.IncreaseSpeed();
badApples.Remove(badApple);
snake.Score -= 5;
break;
}
}
}
}
}
else
{
if (inputManager.WasKeyPressed(Keys.Enter))
{
GameManager.TICK = 0.1f;
gameManager.Speed = 1;
snake = new Snake();
badApples.Clear();
timeSinceLastBadAppleSpawned = 0;
snake.IsAlive = true;
startOfGame = false;
}
}
base.Update(gameTime);
}
