public void ModifyLength(Vector2 NewHeadPosition)
{
//if snake needs to grow don't remove the last body part
if (TimesToGrow > 0)
{
TimesToGrow--;
Vector2 newBodyPart = new Vector2(HeadPosition); //old head possition becomes new bodyPart
BodyParts.Enqueue(newBodyPart); //add to bodyParts old head possition
HeadPosition = NewHeadPosition; //update head possition
length++;
TryUpdateScore();
CheckForWin();
}
else
{
Vector2 newBodyPart = new Vector2(HeadPosition); //old head possition becomes new bodyPart
BodyParts.Dequeue(); //remove the last bodyPart
if (TimesToGrow < 0)
{
if (length > 4)
{
TimesToGrow++;
BodyParts.Dequeue();
length--;
TryUpdateScore();
}
else
{
TimesToGrow = 0;
}
}
BodyParts.Enqueue(newBodyPart); //add to bodyParts old head possition
HeadPosition = NewHeadPosition; //update head possition
}
}