if (launched == false)
{
    var x_offset = disjoint_x * cos(degtorad(id_arm.image_angle))
    var y_offset = disjoint_x * sin(degtorad(id_arm.image_angle))
    x = id_arm.x + x_offset
    y = id_arm.y - y_offset
    x_offset = disjoint_y * (cos(degtorad(id_arm.image_angle + 90)))
    y_offset = disjoint_y * (sin(degtorad(id_arm.image_angle + 90)))
    x += x_offset
    y -= y_offset
}