/// <summary>
/// casts a line through the spatial hash and fills the hits array up with any colliders that the line hits
/// </summary>
/// <returns>The all.</returns>
/// <param name="start">Start.</param>
/// <param name="end">End.</param>
/// <param name="hits">Hits.</param>
/// <param name="layerMask">Layer mask.</param>
public static int LinecastAll(Vector2 start, Vector2 end, RaycastHit[] hits, int layerMask = AllLayers)
{
Insist.IsFalse(hits.Length == 0, "An empty hits array was passed in. No hits will ever be returned.");
return(_spatialHash.Linecast(start, end, hits, layerMask));
}