public Hexagon PickHex(Ray ray)
{
if (Meshes.All(m => ray.Intersects(m.BoundingBox) == null))
{
return(null);
}
var d = float.MaxValue;
Hexagon ret = null;
foreach (var mesh in Meshes)
{
if (ray.Intersects(mesh.BoundingBox) == null)
{
continue;
}
foreach (var hex in mesh.Hexes)
{
var td = hex.Geometry.IntersectedBy(ray);
if (td == null || !(td < d))
{
continue;
}
d = td.Value;
ret = hex;
}
}
return(ret);
}
