obj_astar_draw

//draw the path between all the nodes if it's found
if (found)
{
    for (var i=0;i<ds_list_size(pathNodes)-1;++i)
    {
        var inst1 = ds_list_find_value(pathNodes,i);
        var inst2 = ds_list_find_value(pathNodes,i+1);
        draw_line(inst1.x,inst1.y,inst2.x,inst2.y);
    }
}