// Update the snake's position
private void UpdateSnake()
{
// End game if snake is dead
if (dead)
{
started = false;
}
var direction = (SnakeDirection)dir;
var action = snakeCharacter.GetNextDirection(direction);
if ((action == SnakeDirection.Down && direction == SnakeDirection.Up) ||
(action == SnakeDirection.Up && direction == SnakeDirection.Down) ||
(action == SnakeDirection.Left && direction == SnakeDirection.Right) ||
(action == SnakeDirection.Right && direction == SnakeDirection.Left))
{
//can't go to opposite direction
}
else
{
dir = (int)action;
}
//// Turn right
//if (GetKey(Key.Right).Pressed)
//{
// dir++;
// if (dir == 4)
// dir = 0;
//}
//// Turn left
//if (GetKey(Key.Left).Pressed)
//{
// dir--;
// if (dir == -1)
// dir = 3;
//}
if (started)
{
// Move in the direction
switch (dir)
{
case 0: // UP
snake.Insert(0, new SnakeSegment(snake[0].X, snake[0].Y - 1));
break;
case 1: // RIGHT
snake.Insert(0, new SnakeSegment(snake[0].X + 1, snake[0].Y));
break;
case 2: // DOWN
snake.Insert(0, new SnakeSegment(snake[0].X, snake[0].Y + 1));
break;
case 3: // LEFT
snake.Insert(0, new SnakeSegment(snake[0].X - 1, snake[0].Y));
break;
}
// Pop the tail
snake.RemoveAt(snake.Count - 1);
CheckCollision();
}
}
private void UpdateSnake()
{
if (dead)
{
started = false;
}
var direction = (SnakeDirection)dir;
var action = snakeCharacter.GetNextDirection(direction);
if ((action == SnakeDirection.Down && direction == SnakeDirection.Up) || (action == SnakeDirection.Up && direction == SnakeDirection.Down) || (action == SnakeDirection.Left && direction == SnakeDirection.Right) || (action == SnakeDirection.Right && direction == SnakeDirection.Left))
{
}
else
{
dir = (int)action;
}
if (snake[0].X == foodX && snake[0].Y != (foodY))
{
if (foodY - snake[0].Y > 0)
{
dir = 2;
}
else
{
dir = 0;
}
}
else if (snake[0].Y == foodY && snake[0].X != (foodX))
{
if (foodX - snake[0].X > 0)
{
dir = 3;
}
else
{
dir = 1;
}
}
if (snake[0].Y == 2 || snake[0].X == 2)
{
dir = 2;
}
else if (snake[0].Y == 47 || snake[0].X == 47)
{
dir = 1;
}
if (started)
{
switch (dir)
{
case 0:
snake.Insert(0, new SnakeSegment(snake[0].X, snake[0].Y - 1));
break;
case 1:
snake.Insert(0, new SnakeSegment(snake[0].X + 1, snake[0].Y));
break;
case 2:
snake.Insert(0, new SnakeSegment(snake[0].X, snake[0].Y + 1));
break;
case 3:
snake.Insert(0, new SnakeSegment(snake[0].X - 1, snake[0].Y));
break;
}
snake.RemoveAt(snake.Count - 1);
CheckCollision();
}
}
