/// <summary>
/// Check the adj node that walkable
/// </summary>
/// <param name="adjNodePos"> adj node to check </param>
/// <param name="faceDir"> self node walkable face </param>
/// <returns> adj node that walkable </returns>
private List <AdjNodeInfo> CastAdjRay(WalkableAxis adjNodePos, WalkableAxis walkableFace)
{
Vector3 nodeCentre = transform.position;
switch (adjNodePos)
{
case WalkableAxis.Up: nodeCentre += transform.up; break;
case WalkableAxis.Down: nodeCentre -= transform.up; break;
case WalkableAxis.Right: nodeCentre += transform.right; break;
case WalkableAxis.Left: nodeCentre -= transform.right; break;
case WalkableAxis.Forward: nodeCentre += transform.forward; break;
case WalkableAxis.Back: nodeCentre -= transform.forward; break;
}
// get all walkable node
Ray ray = new Ray();
ray.direction = new Vector3(1, -1, 1);
ray.origin = nodeCentre - ray.direction * 100;
List <Node> originNodes = new List <Node>();
foreach (var hitInfo in Physics.RaycastAll(ray, 300))
{
Node nodeCompn = hitInfo.collider.GetComponent <Node>();
if (nodeCompn == null)
{
continue;
}
if (HasFlag((int)nodeCompn.m_walkableAxis, (int)walkableFace) &&
nodeCompn.ScreenSpacePosition == WorldToScreen(nodeCentre))
{
originNodes.Add(nodeCompn);
}
}
// Get legal node
List <AdjNodeInfo> result = new List <AdjNodeInfo>();
// origin.y+ walkable
if (walkableFace == WalkableAxis.Up)
{
foreach (var node in originNodes)
{
ConnecPoint adjConnec = CheckUpWalkable(node, adjNodePos);
if (adjConnec != 0)
{
result.Add(new AdjNodeInfo(adjConnec, WalkableAxis.Up, node));
}
}
return(result);
}
return(result);
}
// Check whether adjNode'up face wakeable.
// If walkable, return adjNode connect point type
// if not, return 0
private ConnecPoint CheckUpWalkable(Node node, WalkableAxis adjNodeType)
{
if ((WalkableAxis.Up & node.m_walkableAxis) != WalkableAxis.Up)
{
return(0); // equal to: return ConnectPoint.None
}
switch (adjNodeType)
{
case WalkableAxis.Left:
if (node.transform.position.y >= transform.position.y ||
HasFlag((int)node.m_nodeType, (int)NodeType.Special_Semi_Cube) ||
HasFlag((int)m_nodeType, (int)NodeType.Special_Semi_Cube))
{
return(ConnecPoint.Upper_X);
}
break;
case WalkableAxis.Right:
if (node.transform.position.y <= transform.position.y ||
HasFlag((int)node.m_nodeType, (int)NodeType.Special_Semi_Cube) ||
HasFlag((int)m_nodeType, (int)NodeType.Special_Semi_Cube))
{
return(ConnecPoint.Upper_NX);
}
break;
case WalkableAxis.Back:
if (node.transform.position.y >= transform.position.y ||
HasFlag((int)node.m_nodeType, (int)NodeType.Special_Semi_Cube) ||
HasFlag((int)m_nodeType, (int)NodeType.Special_Semi_Cube))
{
return(ConnecPoint.Upper_Z);
}
break;
case WalkableAxis.Forward:
if (node.transform.position.y <= transform.position.y ||
HasFlag((int)node.m_nodeType, (int)NodeType.Special_Semi_Cube) ||
HasFlag((int)m_nodeType, (int)NodeType.Special_Semi_Cube))
{
return(ConnecPoint.Upper_NZ);
}
break;
}
return(0);
}
public AdjNodeInfo(ConnecPoint adjConnecPoint, WalkableAxis adjWalkAxis, Node adjNode)
{
m_adjNodeConnecPoint = adjConnecPoint;
m_adjWalkAxis = adjWalkAxis;
m_adjNode = adjNode;
}
public Transform GetTransByAxis(WalkableAxis axis)
{
return(_childTransform[axis.ToString()]);
}