public void Update()
{
int tempX = HeadX;
int tempY = HeadY;
HeadX = HeadX + XDir;
HeadY = HeadY + YDir;
Xs.Insert(0, tempX);
Ys.Insert(0, tempY);
Render(Xs[Xs.Count - 1], Ys[Ys.Count - 1], HeadX, HeadY);
Xs.RemoveAt(Xs.Count - 1);
Ys.RemoveAt(Ys.Count - 1);
}
void addY(int val)
{
if (Ys.Count > 0)
{
int lastY = Ys[Ys.Count - 1];
if (val > lastY)
{
for (int i = lastY; i < val; i++)
{
Ys.Add(i);
Xs.Add(curX += 1);
}
}
else if (val < lastY)
{
for (int i = lastY; i > val; i--)
{
Ys.Add(i);
Xs.Add(curX += 1);
}
}
else
{
Xs.Add(curX += 1);
Ys.Add(val);
}
}
else
{
Ys.Add(1);
Xs.Add(curX += 1);
}
if (Xs.Count > pictureBox1.Width)
{
Xs.RemoveAt(0);
Ys.RemoveAt(0);
difference++;
}
}