private bool DoCollideWithColl(Collider2D col)
{
if (col == null)
{
return(false);
} // Check the obvious.
if (!col.isTrigger)
{
return(true);
} // NOT a trigger? Yeah, we collide!
if (LayerUtils.IsLayerInLayermask(col.gameObject.layer, lm_triggerColls))
{
return(true);
} // It's a trigger, BUT its layer is in my triggers-I-collide-with mask!
return(false); // Nah, don't collide.
}