protected static CollisionFilter ProduceCollisionFilter(LegacyCollider collider)
{
var layer = collider.gameObject.layer;
var filter = new CollisionFilter {
CategoryBits = (uint)(1 << collider.gameObject.layer)
};
for (var i = 0; i < 32; ++i)
{
filter.MaskBits |= (uint)(LegacyPhysics.GetIgnoreLayerCollision(layer, i) ? 0 : 1 << i);
}
return(filter);
}