protected BaseSerpent(
Game game,
PlayingField pf,
ModelWrapper modelHead,
ModelWrapper modelSegment,
Whereabouts whereabouts)
{
_pf = pf;
_modelHead = modelHead;
_modelSegment = modelSegment;
_whereabouts = whereabouts;
_headDirection = _whereabouts.Direction;
_headRotation.Add(Direction.West,
Matrix.CreateRotationY(MathHelper.PiOver2) * Matrix.CreateRotationY(MathHelper.Pi));
_headRotation.Add(Direction.East,
Matrix.CreateRotationY(MathHelper.PiOver2));
_headRotation.Add(Direction.South,
Matrix.CreateRotationY(MathHelper.PiOver2) * Matrix.CreateRotationY(MathHelper.PiOver2));
_headRotation.Add(Direction.North,
Matrix.CreateRotationY(MathHelper.PiOver2) * Matrix.CreateRotationY(-MathHelper.PiOver2));
_tail = new SerpentTailSegment(_pf, _whereabouts);
_serpentLength = 1;
_layingEgg = (float)(-5 - new Random().NextDouble() * 30);
}
protected BaseSerpent(
Game game,
PlayingField pf,
ModelWrapper modelHead,
ModelWrapper modelSegment,
Whereabouts whereabouts)
{
_pf = pf;
_modelHead = modelHead;
_modelSegment = modelSegment;
_whereabouts = whereabouts;
_headDirection = _whereabouts.Direction;
_headRotation.Add(Direction.West,
Matrix.CreateRotationY(MathHelper.PiOver2)*Matrix.CreateRotationY(MathHelper.Pi));
_headRotation.Add(Direction.East,
Matrix.CreateRotationY(MathHelper.PiOver2));
_headRotation.Add(Direction.South,
Matrix.CreateRotationY(MathHelper.PiOver2)*Matrix.CreateRotationY(MathHelper.PiOver2));
_headRotation.Add(Direction.North,
Matrix.CreateRotationY(MathHelper.PiOver2)*Matrix.CreateRotationY(-MathHelper.PiOver2));
_tail = new SerpentTailSegment(_pf, _whereabouts);
_serpentLength = 1;
_layingEgg = (float)(-5 - new Random().NextDouble()*30);
}
private int removeTail(SerpentTailSegment tail)
{
if (tail != _tail && tail != null)
{
var length = 1;
for (var test = _tail; test != null; test = test.Next, length++)
{
if (test.Next == tail)
{
test.Next = null;
var removedSegments = _serpentLength - length;
_serpentLength = length;
return(removedSegments);
}
}
}
throw new Exception();
}
private int removeTail(SerpentTailSegment tail)
{
if (tail != _tail && tail != null)
{
var length = 1;
for (var test = _tail; test != null; test = test.Next, length++)
if (test.Next == tail)
{
test.Next = null;
var removedSegments = _serpentLength - length;
_serpentLength = length;
return removedSegments;
}
}
throw new Exception();
}
