var xx = 0;
var yy = 0;
var ww = 640;
var hh = 72;

draw_set_color(c_dkgray);
draw_rectangle(xx, yy, xx+ww, yy+hh, false);

draw_set_color(c_blue);
draw_rectangle(xx, yy, xx+(ww * (display / maxbullet)), yy+hh, false);

draw_set_color(c_aqua);
draw_rectangle(xx, yy, xx+(ww * (bullet / maxbullet)), yy+hh, false);