private void move(object sender, EventArgs e)
{
int x = snake[front].Location.X, y = snake[front].Location.Y;
if (dx == 0 && dy == 0)
{
return;
}
if (game_over(x + dx, y + dy))
{
t.Stop();
MessageBox.Show("Game Over");
return;
}
if (collision(x + dx, y + dy))
{
score += 1;
if (hits((y + dy) / 20, (x + dx) / 20))
{
return;
}
this.Text = score.ToString();
btn_bx hd = new btn_bx(0, 0);
front = (front - 1 + 1500) % 1500; snake[front] = hd;
snake[front].Location = new Point(x + dx, y + dy);
visit[hd.Location.Y / 20, hd.Location.X / 20] = 1;
Controls.Add(hd); food_random();
}
else
{
if (hits((y + dy) / 20, (x + dx) / 20))
{
return;
}
visit[snake[back].Location.Y / 20, snake[back].Location.X / 20] = 0;
front = (front - 1 + 1500) % 1500;
snake[front] = snake[back];
snake[front].Location = new Point(x + dx, y + dy);
back = (back - 1 + 1500) % 1500;
visit[(y + dy) / 20, (x + dx) / 20] = 1;
}
}
public Play()
{
InitializeComponent();
visit = new int[this.Height / 20, this.Width / 20];
btn_bx hd = new btn_bx((rand.Next() % 50) * 20, (rand.Next() % 25) * 20);
goal.Location = new Point((rand.Next() % 50) * 20, (rand.Next() % 25) * 20);
snake[front] = hd; Controls.Add(hd);
for (int i = 0; i < 25; i++)
{
for (int j = 0; j < 50; j++)
{
visit[i, j] = 0;
available.Add(i * 50 + j);
}
}
visit[hd.Location.Y / 20, hd.Location.X / 20] = 1;
available.Remove((hd.Location.Y / 20) * 25 + hd.Location.X / 20);
userPlay();
}