public void Update()
{
if (this.Body.Count == 0)
{
return;
}
Coordinates lastBodyPartCoordinates = new Coordinates(this.Body[0].Position.X, this.Body[0].Position.Y);
this.UpdateHead();
if (this.Body.Count == 1)
{
return;
}
this.UpdateTail(lastBodyPartCoordinates);
}
private char SnakeBodyCharacter(Coordinates position)
{
return position == SnakeHead ? SnakeHeadCharacter() : '@';
}
private void UpdateTail(Coordinates lastBodyPartCoordinates)
{
for (int index = 1; index < this.Body.Count; index++)
{
Coordinates currentBodyPartCoordinates = new Coordinates(this.Body[index].Position.X, this.Body[index].Position.Y);
this.Body[index].Position.X = lastBodyPartCoordinates.X;
this.Body[index].Position.Y = lastBodyPartCoordinates.Y;
lastBodyPartCoordinates = currentBodyPartCoordinates;
}
}