///Wall Mover

//Speed Setter
if tw > wall_width
    hspd = hspd_def
else if tw < wall_width hspd = -hspd_def;

if th > wall_height
    vspd = vspd_def
else if th < wall_height vspd = -vspd_def;


//Wall Moving
if moving == 1 {

//Check subpixel
if sign(hspd) = -1
    var zw = (tw - (wall_width + hspd)) * -1;
else zw = (tw - (wall_width + hspd));

if sign(vspd) = -1
    var zh = (th - (wall_height + vspd)) * -1;
else zh = (th - (wall_height + vspd));

//Check distance
if dw != 0
    {
            if zw < 0 wall_width = tw;
            else wall_width += hspd;
            dw = tw - wall_width;
    }
if dh != 0
    {
        if zh < 0
            {
                if vm == 1 wall_voff -= (th  - wall_height);
                wall_height = th;
            }
        else
            {
                if vm == 1 wall_voff -= vspd;
                wall_height += vspd;
            }

        dh = th - wall_height;
    }

//Stop
if dh = 0 && dw = 0
    {
        moving = 0;
        alarm[0] = 1; //This is when I (de)activate a bullet pattern, not required though.
        exit;
    }
}