Rate Limited

def render_frame(t, W=1920, H=1080, fi=0):
    vert = H > W; ts = min(W, H) / 1080
    SW, SH = (W * 2 // 3) // 2 * 2, (H * 2 // 3) // 2 * 2
    sc = render_scene(t, SW, SH, vert)
    img = cv2.resize(np.clip(sc, 0, 1.4).astype(np.float32), (W, H), interpolation=cv2.INTER_LINEAR)
    img = img / (1 + np.maximum(img - 0.85, 0))   # soft shoulder, keeps the colors saturated
    ph = phase(t); clean = C.STATE["clean"]
    ch = chorus_at(t)
    if ch: chorus_429(img, t, W, H, ch[0], ch[1], ts, vert)
    if not clean or ph in ("chorus", "v2", "post"):
        v1_window(img, t, W, H, ts, vert)
        retry_buttons(img, t, W, H, ts, vert)
        v2_ui(img, t, W, H, ts, vert)
        flip_clock(img, t, W, H, ts, vert)
        v3_ui(img, t, W, H, ts, vert)
        bridge_ui(img, t, W, H, ts, vert)
        bridge2_ui(img, t, W, H, ts, vert)
        outro_ui(img, t, W, H, ts, vert)
    if not clean:
        so = stamp_op(t)
        if so > 0:   # dark band behind the white RATE LIMITED hit so it reads on candy colors
            yy = np.linspace(0, 1, H, dtype=np.float32)[:, None, None]; cy = 0.45 if not vert else 0.42
            img *= 1 - 0.55 * so * np.exp(-((yy - cy) / 0.13) ** 2)
        C.overlay_stamp(img, t, W, H, TM, word="RATE LIMITED", glow_color=CH_PAL[ch[0]][1] if ch else PINK)
        skip = lambda L: L['text'].lower().startswith("rate limited") or L['text'] in B2_SET or L['text'] == "Welcome back" or L['s'] > T_END
        # stronger lower band in bright sections so lyrics always read
        if ph in ("chorus", "outro", "v2", "v3", "bridge"):
            img *= 1 - 0.35 * C.post(W, H).bot
        C.overlay_lyrics(img, t, W, H, TM, active=YELLOW if ph != "bridge2" else MINT, glow=PINK if ph != "bridge2" else MINT, skip=skip)
        C.subscribe_pill(img, t, W, H, S_V2['s'] + 1.2, 5.5)
        C.end_screen(img, t, W, H, T_END, DUR - T_END, "Welcome back.", title="Rate Limited", accent=PINK)
    # flashes / glitch
    fl = 0.0
    for a, b, k in CHORUS:
        if 0 <= t - a < 1.2: fl += 0.55 * math.exp(-(t - a) * 5)
    for s in TM.stamps:
        if 0 <= t - s < 0.6: fl += 0.18 * math.exp(-(t - s) * 9)
    if 0 <= t - T_RESET < 1.2: fl += 0.4 * math.exp(-(t - T_RESET) * 4)
    gl = 0.0
    if T_NO - 0.05 <= t < T_NO + 0.3: gl += 0.7
    for tt in T_RRR:
        if 0 <= t - tt < 0.2: gl += 0.5
    if 0 <= t - T_USAGE < 0.25: gl += 0.6
    for s in TM.stamps:
        if 0 <= t - s < 0.1: gl += 0.25
    fcol = WHITE if not ch else (CH_PAL[ch[0]][2] * 0.5 + 0.5)
    return C.finish(img, t, fi, DUR, flash=fl, flash_col=fcol, glitch_amt=gl, ca=0.0022)