public RoadLayoutBuilder(RoadGraph roadGraph, MeshFilter meshFilter)
{
this.meshFilter = meshFilter;
meshFilter.mesh = new Mesh();
foreach (var node in roadGraph.nodes)
{
graphNodes.Add(node.nodeId, node);
}
}
public static RoadGraph BakeRoadGraph(IEnumerable <RoadGraphBuildNode> buildNodes)
{
var bakedNodes = new List <RoadGraphNode>();
int _edgeIdCounter = 0;
foreach (var node in buildNodes)
{
var bakedNode = new RoadGraphNode();
bakedNode.nodeId = node.nodeId;
bakedNode.position = node.position;
var edges = new List <RoadGraphEdge>();
for (int i = 0; i < node.connectedNodes.Count; i++)
{
var connectedNode = node.connectedNodes[i];
var edgeThickness = node.edgeThickness[i];
var edge = new RoadGraphEdge();
edge.edgeId = ++_edgeIdCounter;
edge.ownerNodeId = node.nodeId;
edge.otherNodeId = connectedNode.nodeId;
edge.thickness = edgeThickness;
// Find the dot product with the x axis
Vector3 direction = (connectedNode.position - node.position).normalized;
var dot = Vector3.Dot(new Vector3(1, 0, 0), direction);
float angle = Mathf.Acos(dot);
if (direction.z < 0)
{
angle = 2 * Mathf.PI - angle;
}
edge.angleToXAxis = angle;
edges.Add(edge);
}
bakedNode.adjacentEdges = edges.ToArray();
System.Array.Sort(bakedNode.adjacentEdges, SortEdgesByAngle);
bakedNodes.Add(bakedNode);
}
var graph = new RoadGraph();
graph.nodes = bakedNodes.ToArray();
return(graph);
}
public void Initialize(RoadGraph graph)
{
nodes.Clear();
// Create the node instances
foreach (var nodeInfo in graph.nodes)
{
var node = new RoadGraphBuildNode(nodeInfo);
nodes.Add(node.nodeId, node);
_nodeIdCounter = Mathf.Max(_nodeIdCounter, node.nodeId);
}
// Generate the node adjacency list
foreach (var nodeInfo in graph.nodes)
{
var node = nodes[nodeInfo.nodeId];
foreach (var edge in nodeInfo.adjacentEdges)
{
var adjacentNode = nodes[edge.otherNodeId];
node.connectedNodes.Add(adjacentNode);
}
}
}