public TraversalNode TraverseSplitRects(List <SplitRect> source)
{
var initiailRandomState = UnityEngine.Random.state;
if (_seed >= 0)
{
UnityEngine.Random.InitState(_seed);
}
_longestDistanceNode = null;
var result = BuildPath(source[UnityEngine.Random.Range(0, source.Count)], new HashSet <SplitRect>());
if (_seed >= 0)
{
UnityEngine.Random.state = initiailRandomState;
}
return(result);
}
/// <summary>
/// Create the rectangles making up the travelsal tree
/// </summary>
/// <param name="root"></param>
/// <param name="colorIndex"></param>
/// <param name="offset"></param>
private void CreateTraversalNodeDebugObjects(TraversalNode root, int colorIndex, Vector3 offset)
{
if (root != null)
{
var debugObject = CreatDebugVisual(root._split._rect, offset, colorIndex);
var debugBehaviour = debugObject.AddComponent <TraversalNodeDebugBehaviour>();
debugObject.transform.parent = gameObject.transform;
debugBehaviour._node = root;
debugBehaviour._scale = _scaleMultiplier;
debugBehaviour._offset = offset;
root.DebugElement = debugObject;
_debugObjects.Add(debugObject);
for (int i = 0; i < root._children.Count; ++i)
{
CreateTraversalNodeDebugObjects(root._children[i], ++colorIndex, offset);
colorIndex++;
}
}
}
private TraversalNode CreateNode(TraversalNode parent, SplitRect split, HashSet <SplitRect> closedList)
{
var result = new TraversalNode()
{
_split = split,
_parent = parent,
_children = new List <TraversalNode>(),
_parentIntersection = parent == null ? null : RectUtil.GetIntersection(parent._split._rect, split._rect),
_pathLength = parent == null ? 0 : parent._pathLength + Vector2.Distance(parent._split._rect.center, split._rect.center)
};
if (_longestDistanceNode == null || result._pathLength > _longestDistanceNode._pathLength)
{
_longestDistanceNode = result;
}
closedList.Add(split);
if (parent != null)
{
parent._children.Add(result);
}
return(result);
}
private bool CanContinueIteration(int i, TraversalNode current)
{
return((i < _maxDepth || _maxDepth == -1) &&
(current != null) &&
(current._pathLength < _maxLength || _maxLength == -1));
}
