// Check if the snake ate food method.
public bool Check()
{
// Assign the first element of the snake parts list
// which is always the snake's head.
SnakePart snakeHead = _snakeParts[0];
foreach (SnakeFood snakeFood in _snakeFoods)
{
if (snakeHead.CurrentPosition == snakeFood.CurrentPosition)
{
_eatenSnakeFood = snakeFood;
return(true);
}
}
return(false);
}
// Check method. Return true if a snake's head collides with something,
// false if not.
public static bool Check(List <SnakePart> snakeParts, Canvas gameBoard)
{
SnakePart snakeHead = snakeParts[0];
int snakeSize = snakeHead.ElementSize;
// Check if snake's head collides with one of the snake's parts.
foreach (SnakePart snakePart in snakeParts.Skip(1))
{
if (snakeHead.CurrentPosition == snakePart.CurrentPosition)
{
return(true);
}
}
// Check if snake's head collides with one of the walls.
if (snakeHead.CurrentPosition.X < 0 || snakeHead.CurrentPosition.X > gameBoard.Width - snakeSize ||
snakeHead.CurrentPosition.Y < 0 || snakeHead.CurrentPosition.Y > gameBoard.Height - snakeSize)
{
return(true);
}
return(false);
}
