/// <summary>
///
/// </summary>
private void InitEdgeObjects()
{
_edges = new EdgeObject[_graph.EdgeCount];
for (int i = 0; i < _graph.EdgeCount; i++)
{
var e = _graph.GetEdge(i);
var p0 = _vertices[e.Start].transform.position;
var p1 = _vertices[e.End].transform.position;
var eObj = Instantiate(_edgeObject, transform);
eObj.Index = i;
var xform = eObj.transform;
var dir = p1 - p0;
var mag = dir.magnitude;
// scale to edge length
xform.localScale = new Vector3(0.1f, mag * 0.5f, 0.1f);
// translate to edge mid point
xform.localPosition = (p0 + p1) * 0.5f; //Vector3.Lerp(p0, p1, 0.5f);
// align up with edge direction
xform.localRotation = Quaternion.FromToRotation(xform.up, dir);
// cache it
_edges[i] = eObj;
}
}
/// <summary>
///
/// </summary>
private void Awake()
{
_graph = EdgeGraph.Factory.CreateTriangleGrid(_countX, _countY);
// initialize game objects
InitVertexObjects();
InitEdgeObjects();
// initialize additonal attributes
_vertexDistances = new float[_graph.VertexCount];
_edgeLengths = new float[_graph.EdgeCount];
_edgeTraffic = new int[_graph.EdgeCount];
// initialize edge lengths
for (int i = 0; i < _graph.EdgeCount; i++)
{
var e = _graph.GetEdge(i);
var p0 = _vertices[e.Start].transform.localPosition;
var p1 = _vertices[e.End].transform.localPosition;
_edgeLengths[i] = Vector3.Distance(p0, p1) + UnityEngine.Random.Range(0, 0.001f);
}
}