var radius, unit, xx, yy, i, lx, ly, tlx, tly;
xx = room_width div 2;
yy = room_height div 2;
radius = 128;
unit = 45;
draw_set_halign(fa_center);
draw_set_valign(fa_center);
for (i = 0; i < 360; i += unit)
{
    lx = lengthdir_x(radius - 32, i);
    ly = lengthdir_y(radius - 32, i);
    tlx = lengthdir_x(radius, i);
    tly = lengthdir_y(radius, i); 
    draw_line(xx, yy, xx + lx, yy + ly);
    draw_text(xx + tlx, yy + tly, string(i));
}