public override void CalculateDirection()
{
if ((mode == GhostMode.Chase || mode == GhostMode.Scatter) && mode != Game.ghostMode)
{
nextDirection = DirectionHelper.Opposite(direction);
mode = Game.ghostMode;
}
else
{
double d = 0;
if (nodeFrom.neighbors[direction] != null)
{
d = Helper.CalculateDistance(nodeFrom.x, nodeFrom.y, nodeFrom.neighbors[direction].node.x, nodeFrom.neighbors[direction].node.y);
}
if (Math.Abs(distance - d) < speed)
{
CalculateTarget();
double minDistance = -1;
Node baseNode = nodeFrom;
if (baseNode.neighbors[direction] != null)
{
baseNode = baseNode.neighbors[direction].node;
}
foreach (Direction key in baseNode.neighbors.Keys)
{
if (baseNode.neighbors[key] != null)
{
double distanceBetween = Helper.CalculateDistance(baseNode.neighbors[key].node.x, baseNode.neighbors[key].node.y, targetX, targetY);
if ((distanceBetween < minDistance || minDistance == -1) && !DirectionHelper.IsOpposite(direction, key))
{
minDistance = distanceBetween;
nextDirection = key;
}
}
}
}
}
}
