timer++;
var progress = scr_ease_out(timer / growtime, 2);
radius = lerp(minradius, maxradius, progress);
if (collision_circle(x, y, radius, obj_viro_needle, false, true))
{
    with (obj_viro_needle)
    {
        if (active == 0 || countdown > 0)
            continue;
        distance = distance_to_point(other.x, other.y);
        if (distance <= other.radius)
        {
            countdown = 1;
            flash = 4;
            spawnVirus = 1;
            spawning = false;
            d = instance_create(x, y, obj_animation_dx);
            d.sprite_index = spr_viro_poison_effect_big;
            d.image_angle = irandom(3) * 90;
            d.image_blend = other.color;
            d.image_xscale = 1;
            d.image_yscale = 1;
            d.depth = depth - 1;
        }
    }
}
if (radius >= nextradius)
{
    nextradius += 10;
    var c = radius * 2 * pi;
    var count = floor(c / 60) + 1;
    var startoffset = random(360);
    for (i = 0; i <= count; i++)
    {
        var dir = startoffset + ((360 / count) * i) + random_range(-180 / count, 180 / count);
        var len = radius + random_range(-5, 5);
        var xx = lengthdir_x(len, dir);
        var yy = lengthdir_y(len, dir);
        d = instance_create(xx + x, yy + y, obj_animation_dx);
        d.sprite_index = choose(spr_viro_poison_effect_a, spr_viro_poison_effect_b);
        d.image_angle = irandom(3) * 90;
        d.image_blend = color;
        d.image_alpha = 0.5;
        d.image_xscale = 1;
        d.image_yscale = 1;
    }
    if (timer >= growtime)
        instance_destroy();
}