klubhaus/sideline
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feat: implement dynamic shifting gradients for messages and scrolling content, and adjust rendering parameters

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This commit is contained in:
Gene Johnson
2026-03-14 19:15:55 -07:00
parent 6a5a73fd88
commit c857d7bd81
1 changed files with 18 additions and 11 deletions
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29
mainline.py
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@@ -147,7 +147,7 @@ KATA = "ﾊﾐﾋｰｳｼﾅﾓﾆｻﾜﾂｵﾘｱﾎﾃﾏｹﾒｴｶｷﾑ
_FONT_PATH = "/Users/genejohnson/Documents/CS Bishop Drawn/CSBishopDrawn-Italic.otf" _FONT_PATH = "/Users/genejohnson/Documents/CS Bishop Drawn/CSBishopDrawn-Italic.otf"
_FONT_OBJ = None _FONT_OBJ = None
_FONT_SZ = 60 _FONT_SZ = 60
_RENDER_H = 8 # terminal rows per rendered text line _RENDER_H = 16 # terminal rows per rendered text line
# Non-Latin scripts → macOS system fonts # Non-Latin scripts → macOS system fonts
_SCRIPT_FONTS = { _SCRIPT_FONTS = {
@@ -502,9 +502,10 @@ def _save_cache(items):
# ─── STREAM ─────────────────────────────────────────────── # ─── STREAM ───────────────────────────────────────────────
_SCROLL_DUR = 3.75 # seconds per headline _SCROLL_DUR = 5.625 # seconds per headline (2/3 original speed)
_FRAME_DT = 0.05 # 50ms base frame rate (20 FPS) _FRAME_DT = 0.05 # 50ms base frame rate (20 FPS)
FIREHOSE_H = 12 # firehose zone height (terminal rows) FIREHOSE_H = 12 # firehose zone height (terminal rows)
GRAD_SPEED = 0.08 # gradient traversal speed (cycles/sec, ~12s full sweep)
_mic_db = -99.0 # current mic level, written by background thread _mic_db = -99.0 # current mic level, written by background thread
_mic_stream = None _mic_stream = None
@@ -636,8 +637,8 @@ def _big_wrap(text, max_w, font=None):
return out return out
def _lr_gradient(rows): def _lr_gradient(rows, offset=0.0):
"""Color each non-space block character with a left-to-right gradient.""" """Color each non-space block character with a shifting left-to-right gradient."""
n = len(_GRAD_COLS) n = len(_GRAD_COLS)
max_x = max((len(r.rstrip()) for r in rows if r.strip()), default=1) max_x = max((len(r.rstrip()) for r in rows if r.strip()), default=1)
out = [] out = []
@@ -650,7 +651,8 @@ def _lr_gradient(rows):
if ch == ' ': if ch == ' ':
buf.append(' ') buf.append(' ')
else: else:
idx = min(round(x / max(max_x - 1, 1) * (n - 1)), n - 1) shifted = (x / max(max_x - 1, 1) + offset) % 1.0
idx = min(round(shifted * (n - 1)), n - 1)
buf.append(f"{_GRAD_COLS[idx]}{ch}\033[0m") buf.append(f"{_GRAD_COLS[idx]}{ch}\033[0m")
out.append("".join(buf)) out.append("".join(buf))
return out return out
@@ -730,7 +732,6 @@ def _make_block(title, src, ts, w):
("\u201d",'"'), ("\u2013","-"), ("\u2014","-")]: ("\u201d",'"'), ("\u2013","-"), ("\u2014","-")]:
title_up = title_up.replace(old, new) title_up = title_up.replace(old, new)
big_rows = _big_wrap(title_up, w - 4, lang_font) big_rows = _big_wrap(title_up, w - 4, lang_font)
big_rows = _lr_gradient(big_rows)
hc = random.choice([ hc = random.choice([
"\033[38;5;46m", # matrix green "\033[38;5;46m", # matrix green
"\033[38;5;34m", # dark green "\033[38;5;34m", # dark green
@@ -861,10 +862,10 @@ def stream(items):
cache_key = (display_text, w) cache_key = (display_text, w)
if _msg_cache[0] != cache_key: if _msg_cache[0] != cache_key:
msg_rows = _big_wrap(display_text, w - 4) msg_rows = _big_wrap(display_text, w - 4)
msg_rows = _lr_gradient(msg_rows)
_msg_cache = (cache_key, msg_rows) _msg_cache = (cache_key, msg_rows)
else: else:
msg_rows = _msg_cache[1] msg_rows = _msg_cache[1]
msg_rows = _lr_gradient(msg_rows, (time.monotonic() * GRAD_SPEED) % 1.0)
# Center vertically in scroll zone # Center vertically in scroll zone
total_h = len(msg_rows) + 4 # +4 for border + meta + padding total_h = len(msg_rows) + 4 # +4 for border + meta + padding
y_off = max(0, (sh - total_h) // 2) y_off = max(0, (sh - total_h) // 2)
@@ -933,6 +934,7 @@ def stream(items):
# Draw scroll zone # Draw scroll zone
top_zone = max(1, int(sh * 0.25)) top_zone = max(1, int(sh * 0.25))
bot_zone = max(1, int(sh * 0.10)) bot_zone = max(1, int(sh * 0.10))
grad_offset = (time.monotonic() * GRAD_SPEED) % 1.0
buf = [] buf = []
for r in range(sh): for r in range(sh):
cy = cam + r cy = cam + r
@@ -943,13 +945,18 @@ def stream(items):
for content, hc, by, midx in active: for content, hc, by, midx in active:
cr = cy - by cr = cy - by
if 0 <= cr < len(content): if 0 <= cr < len(content):
ln = _vis_trunc(content[cr], w) raw = content[cr]
if cr != midx:
colored = _lr_gradient([raw], grad_offset)[0]
else:
colored = raw
ln = _vis_trunc(colored, w)
if row_fade < 1.0: if row_fade < 1.0:
ln = _fade_line(ln, row_fade) ln = _fade_line(ln, row_fade)
if cr == midx: if cr == midx:
buf.append(f"\033[{r+1};1H{W_COOL}{ln}{RST}\033[K") buf.append(f"\033[{r+1};1H{W_COOL}{ln}{RST}\033[K")
elif ln.strip(): elif ln.strip():
buf.append(f"\033[{r+1};1H{hc}{ln}{RST}\033[K") buf.append(f"\033[{r+1};1H{ln}{RST}\033[K")
else: else:
buf.append(f"\033[{r+1};1H\033[K") buf.append(f"\033[{r+1};1H\033[K")
drawn = True drawn = True