get_array_of_closest( org, array, excluders, max, maxdist )
{
	// pass an array of entities to this function and it will return them in the order of closest
	// to the origin you pass, you can also set max to limit how many ents get returned
	if( !IsDefined( max ) )
		max = array.size; 
	if( !isdefined( excluders ) )
		excluders = [];
 
	maxdists2rd = undefined;
	if( isdefined( maxdist ) )
		maxdists2rd = maxdist * maxdist;
 
	// return the array, reordered from closest to farthest
	dist = []; 
	index = []; 
	for( i = 0;i < array.size;i ++ )
	{
		excluded = false; 
		for( p = 0;p < excluders.size;p ++ )
			{
			if( array[ i ] != excluders[ p ] )
				continue; 
			excluded = true; 
			break; 
		}
		if( excluded )
			continue; 
 
		length = distancesquared( org, array[ i ].origin );
 
		if( isdefined( maxdists2rd ) && maxdists2rd < length )
			continue;
 
		dist[ dist.size ] = length;
 
 
		index[ index.size ] = i;
	}
 
	for( ;; )
	{
		change = false; 
		for( i = 0;i < dist.size - 1;i ++ )
			{
			if( dist[ i ] <= dist[ i + 1 ] )
				continue; 
			change = true; 
			temp = dist[ i ];
			dist[ i ] = dist[ i + 1 ];
			dist[ i + 1 ] = temp;
			temp = index[ i ];
			index[ i ] = index[ i + 1 ];
			index[ i + 1 ] = temp;
		}
		if( !change )
			break; 
		}
 
	newArray = []; 
	if( max > dist.size )
		max = dist.size; 
	for( i = 0;i < max;i ++ )
		newArray[ i ] = array[ index[ i ] ];
	return newArray; 
}

check_zombie()
{
	view_pos = self gettagorigin("tag_flash");
	zombies = get_array_of_closest( view_pos, GetAiSpeciesArray( "axis", "all" ), undefined, undefined, 60 ); // 60 is the distance to see how far the zombie can be
	if ( !isDefined( zombies ) )
	{
		return;
	}
}

zombies = get_array_of_closest( self GetTagOrigin( "j_head" ), GetAiSpeciesArray( "axis", "all" ), undefined, undefined, GetDvarInt("player_meleeRange") );