public TrianglePathway(IEnumerable <Triangle> path, bool cyclic = false)
{
_path = path.ToArray();
//Calculate center points
for (int i = 0; i < _path.Length; i++)
{
_path[i].PointOnPath = (2 * _path[i].A + _path[i].Edge0) / 2;
}
//Calculate tangents along path
for (int i = 0; i < _path.Length; i++)
{
var bIndex = cyclic ? ((i + 1) % _path.Length) : Math.Min(i + 1, _path.Length - 1);
var vectorToNextTriangle = _path[bIndex].PointOnPath - _path[i].PointOnPath;
var l = vectorToNextTriangle.Length();
_path[i].Tangent = vectorToNextTriangle / l;
if (Math.Abs(l) < float.Epsilon)
{
_path[i].Tangent = Vector3.Zero;
}
}
_centerline = new PolylinePathway(_path.Select(a => a.PointOnPath).ToArray(), 0.1f, cyclic);
}
public TrianglePathway(IEnumerable<Triangle> path, bool cyclic = false)
{
_path = path.ToArray();
//Calculate center points
for (int i = 0; i < _path.Length; i++)
_path[i].PointOnPath = (2 * _path[i].A + _path[i].Edge0) / 2;
//Calculate tangents along path
for (int i = 0; i < _path.Length; i++)
{
var bIndex = cyclic ? ((i + 1) % _path.Length) : Math.Min(i + 1, _path.Length - 1);
var vectorToNextTriangle = _path[bIndex].PointOnPath - _path[i].PointOnPath;
var l = vectorToNextTriangle.Length();
_path[i].Tangent = vectorToNextTriangle / l;
if (Math.Abs(l) < float.Epsilon)
_path[i].Tangent = Vector3.Zero;
}
_centerline = new PolylinePathway(_path.Select(a => a.PointOnPath).ToArray(), 0.1f, cyclic);
}
