public void Update()
{
switch (direction)
{
case 0:
{
if (map.IsBrick((int)(snake.Head.Position.X - distance) / 30, (int)(snake.Head.Position.Y / 30)))
{
GameStop();
}
else
{
if (world.Food.Eat((int)(snake.Head.Position.X - snake.Speed) / 30, (int)(snake.Head.Position.Y / 30)))
{
world.Food.ChangePosition(map.Available, snake.Positions);
snake.Grow();
Score.UpdateScore(world.Food.Points);
AddPosition((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
if (snake.Canibalism(snake.Head.Position.X - snake.Speed, snake.Head.Position.Y))
{
GameStop();
}
snake.MoveLeft();
UpdatePositions((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
break;
}
case 1:
{
if (map.IsBrick((int)((snake.Head.Position.X + distance) / 30), (int)(snake.Head.Position.Y / 30)))
{
GameStop();
}
else
{
if (world.Food.Eat((int)(snake.Head.Position.X + snake.Speed) / 30, (int)(snake.Head.Position.Y / 30)))
{
world.Food.ChangePosition(map.Available, snake.Positions);
snake.Grow();
Score.UpdateScore(world.Food.Points);
AddPosition((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
if (snake.Canibalism(snake.Head.Position.X + snake.Speed, snake.Head.Position.Y))
{
GameStop();
}
snake.MoveRight();
UpdatePositions((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
break;
}
case 2:
{
if (map.IsBrick((int)(snake.Head.Position.X) / 30, (int)((snake.Head.Position.Y - distance) / 30)))
{
GameStop();
}
else
{
if (world.Food.Eat((int)(snake.Head.Position.X / 30), (int)((snake.Head.Position.Y - snake.Speed) / 30)))
{
world.Food.ChangePosition(map.Available, snake.Positions);
snake.Grow();
Score.UpdateScore(world.Food.Points);
AddPosition((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
if (snake.Canibalism(snake.Head.Position.X, snake.Head.Position.Y - snake.Speed))
{
GameStop();
}
snake.MoveUp();
UpdatePositions((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
break;
}
case 3:
{
if (map.IsBrick((int)(snake.Head.Position.X) / 30, (int)((snake.Head.Position.Y + distance) / 30)))
{
GameStop();
}
else
{
if (world.Food.Eat((int)(snake.Head.Position.X) / 30, (int)((snake.Head.Position.Y + snake.Speed) / 30)))
{
world.Food.ChangePosition(map.Available, snake.Positions);
snake.Grow();
Score.UpdateScore(world.Food.Points);
AddPosition((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
if (snake.Canibalism(snake.Head.Position.X, snake.Head.Position.Y + snake.Speed))
{
GameStop();
}
snake.MoveDown();
UpdatePositions((int)snake.Head.Position.X, (int)snake.Head.Position.Y);
}
break;
}
default:
break;
}
}