draw_circle_width.gml

/// draw_circle_width(x, y, rad1, rad2, segments)
var _x; _x = argument0;
var _y; _y = argument1;
var r1; r1 = argument2;
var r2; r2 = argument3;
var sn; sn = argument4;
//
var i; i = 0;
draw_primitive_begin(pr_trianglestrip);
repeat (sn + 1) {
    var d, dx, dy;
    d = i / sn * 360;
    dx = lengthdir_x(1, d);
    dy = lengthdir_y(1, d);
    draw_vertex(_x + dx * r1, _y + dy * r1);
    draw_vertex(_x + dx * r2, _y + dy * r2);
    i += 1;
}
draw_primitive_end();