private void GameTimer_Tick(object sender, EventArgs e)
{
// If Snake is not alive show announcement, stop timer and return
if (Snake.Alive == false)
{
gameTimer.Stop();
announceLabel.Text = Helpers.AnnouncementText;
announceLabel.BackColor = Helpers.AnnouncementBGC;
announceLabel.ForeColor = Helpers.AnnouncementFGC;
announceLabel.Visible = true;
Console.WriteLine("Snek dead. announceLabel.Visible = " + announceLabel.BackColor);
return;
}
// Check for collision between snake head and point
if (Point != null && Helpers.Collides(Snake.Head, Point.Sprite))
{
Console.WriteLine("Collision detected!");
Console.WriteLine("Collision at: Snake(X: {0}, Y: {1}) and Point(X: {2}, Y: {3})", Snake.Head.X, Snake.Head.Y, Point.Sprite.X, Point.Sprite.Y);
Point.Destroy();
Point = null;
Snake.Grow();
}
// Check for collision between snake head and snake body
if (Snake.Tail.Count() != 0)
{
foreach (var part in Snake.Tail)
{
if (Helpers.Collides(Snake.Head, part))
{
Snake.Kill();
}
}
}
// If there is no point create one
if (Point == null)
{
int xPos = Helpers.RandomInt(0, 19) * 15;
int yPos = Helpers.RandomInt(0, 19) * 15;
Point = new Food(gameContainer, xPos, yPos);
}
// If Snake is alive keep it moving
Snake.Move();
Snake.Update();
scoreLabel.Text = "Score: " + (Snake.Length - 1);
}