public void AddOnePart()
{
if (this.mLenght < mSnake.Length)
{
SnakePart newPart = new SnakePart();
mSnake[this.mLenght] = newPart;
Canvas.SetLeft(newPart.mSnakePart, 0 - Constants.CellWidth * 10);
Canvas.SetTop(newPart.mSnakePart, 0);
mCanvas.Children.Add(newPart.mSnakePart);
this.mLenght++;
}
}
public bool CheckRules()
{
SnakePart headSection = mSnake[0];
Rectangle headSectionRectangle = headSection.mSnakePart;
int curHeadPosX = (int)Canvas.GetLeft(headSectionRectangle);
int curHeadPosY = (int)Canvas.GetTop(headSectionRectangle);
if (curHeadPosX + Constants.CellWidth > mCanvas.Width || curHeadPosX < 0)
{
return(false);
}
else if (curHeadPosY + Constants.CellHeight > mCanvas.Height || curHeadPosY < 0)
{
return(false);
}
Rect headRect = new Rect(Canvas.GetLeft(headSectionRectangle), Canvas.GetTop(headSectionRectangle),
headSectionRectangle.Width, headSectionRectangle.Height);
for (int i = 2; i < this.mLenght; ++i)
{
SnakePart tailSection = mSnake[i];
if (tailSection == null)
{
break;
}
Rectangle tailSectionRectangle = tailSection.mSnakePart;
Rect tailRect = new Rect(Canvas.GetLeft(tailSectionRectangle), Canvas.GetTop(tailSectionRectangle),
tailSectionRectangle.Width, tailSectionRectangle.Height);
tailRect.Intersect(headRect);
if (tailRect.Width > 0 && tailRect.Height > 0)
{
return(false);
}
}
return(true);
}
