private void CheckForDeath()
{
var firstSegmentX = this.CurrentPosition.Peek()[0];
var firstSegmentY = this.CurrentPosition.Peek()[1];
var currentCount = CurrentPosition.Count;
for (int i = 0; i < currentCount; i++)
{
var checkSegment = CurrentPosition.Dequeue();
if (i != 0 && checkSegment[0] == firstSegmentX && checkSegment[1] == firstSegmentY)
{
this.IsDead = true;
}
CurrentPosition.Enqueue(checkSegment);
}
if (firstSegmentX >= this.SnakeBoardWidth || firstSegmentX < 0)
{
this.IsDead = true;
}
if (firstSegmentY >= this.SnakeBoardHeight || firstSegmentY < 0)
{
this.IsDead = true;
}
}
public void UpdateBody(bool hasEaten)
{
var currentCount = CurrentPosition.Count;
for (int i = 0; i < currentCount; i++)
{
var currentBlock = CurrentPosition.Dequeue();
if (i == 0)
{
this.PreviousPosition.Push(new int[] { currentBlock[0], currentBlock[1] });
switch (this.Direction)
{
case 'd':
currentBlock[0] += 1;
break;
case 'w':
currentBlock[1] -= 1;
break;
case 's':
currentBlock[1] += 1;
break;
case 'a':
currentBlock[0] -= 1;
break;
}
}
else
{
var previousBlock = this.PreviousPosition.Peek();
this.PreviousPosition.Push(new int[] { currentBlock[0], currentBlock[1] });
if (!hasEaten)
{
currentBlock[0] = previousBlock[0];
currentBlock[1] = previousBlock[1];
}
}
CurrentPosition.Enqueue(currentBlock);
}
this.CheckForDeath();
}