//绘制距离
void OnDrawGizmos()
{
if (chess_grids_dist.Count > 0)
{
foreach (var item in chess_grids_dist)
{
Gizmos.color = BKTools.HSVtoRGB(1.0f * item.Key / max_grid_dis, 1, 1);;
//Gizmos.DrawLine(p1, p2);
//Gizmos.DrawSphere(p2, 0.1f);
}
}
}
