#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""渚神护佑 · 良渚耳环背贴卡 三色版 SVG 生成器
几何同源，仅色彩映射不同。坐标单位 mm，viewBox 0 0 75 98。
"""
import math
import pathlib
ROOT = pathlib.Path("/Users/bot1/Volumes/root_for_ai/AI工作区/良渚_耳环背贴_渚神护佑三色版_20260611_2149")
OUT = ROOT / "deliverables" / "claude_v01"
OUT.mkdir(parents=True, exist_ok=True)
B64 = (ROOT / "work" / "claude_v01_build" / "nss.b64").read_text().strip().replace("\n", "")
CX, CY = 37.5, 56.0 # 环带圆心
OUTER = (32.0, 36.0) # 外弦纹 rx/ry
INNER = (22.0, 26.0) # 内弦纹 rx/ry
FONT = "'Noto Serif SC','Songti SC','STSong',serif"
VARIANTS = {
"A": dict(name="抱玉朱", bg="#A94033", line="#F7F6F2", accent="#DDCCAC",
engraved=0.30, huang_fill=True, bird_tip=False),
"B": dict(name="璧青", bg="#58695D", line="#F7F6F2", accent="#BD8537",
engraved=0.30, huang_fill=False, bird_tip=True),
"C": dict(name="鸡骨白", bg="#F7F6F2", line="#302F2E", accent="#A94033",
engraved=0.25, huang_fill=False, bird_tip=False),
}
def f(x):
return f"{x:.2f}".rstrip("0").rstrip(".")
def ept(rx, ry, deg):
r = math.radians(deg)
return (CX + rx * math.cos(r), CY + ry * math.sin(r))
def spiral_path(cx, cy, r0, mirror=1):
"""小卷云：半圆弧链螺线"""
radii = [r0, r0 * 0.66, r0 * 0.44, r0 * 0.27]
d = f"M{f(cx + mirror * radii[0])},{f(cy)}"
sign, prev = -1, radii[0]
sweep = 1 if mirror > 0 else 0
for r in radii[1:]:
R = (prev + r) / 2
d += f" A{f(R)},{f(R)} 0 0 {sweep} {f(cx + mirror * sign * r)},{f(cy)}"
prev = r
sign *= -1
return d
def station(rx, ry, deg, jitter=0.0, rot_override=None):
x, y = ept(rx, ry, deg)
rot = (deg - 270 + jitter) if rot_override is None else rot_override
return f'transform="translate({f(x)},{f(y)}) rotate({f(rot)})"'
# ──────────────────────────── 母题 ────────────────────────────
def motif_face(v):
"""一级 · 神人兽面（羽冠+重圈眼+阔嘴）· 12点位 · 压弦纹之上"""
L, A, BG, E = v["line"], v["accent"], v["bg"], v["engraved"]
el = [f'']
# 羽冠：放射阴刻线 + 冠底弧
ccx, ccy, r_in, r_out = 0.0, 1.2, 4.6, 6.9
for i in range(7):
a = math.radians(-125 + i * (70 / 6))
x1, y1 = ccx + r_in * math.cos(a), ccy + r_in * math.sin(a)
x2, y2 = ccx + r_out * math.cos(a), ccy + r_out * math.sin(a)
el.append(f'')
a0, a1 = math.radians(-127), math.radians(-53)
p0 = (ccx + r_in * math.cos(a0), ccy + r_in * math.sin(a0))
p1 = (ccx + r_in * math.cos(a1), ccy + r_in * math.sin(a1))
el.append(f'')
# 面廓
el.append(f'')
# 重圈眼 + 眼角线
for s in (-1, 1):
el.append(f'')
el.append(f'')
el.append(f'')
el.append(f'')
el.append(f'')
# 鼻梁 + 阔嘴 + 獠牙
el.append(f'')
el.append(f'')
el.append(f'')
return f'' + "".join(el) + ""
def motif_cong(v, deg, jitter):
"""二级 · 玉琮节角 · 3/9点位 · 压弦纹之上"""
L, A, BG, E = v["line"], v["accent"], v["bg"], v["engraved"]
el = [f'']
el.append(f'')
for y in (-4.1, -3.4, -2.3, -1.6):
el.append(f'')
for s in (-1, 1):
el.append(f'')
el.append(f'')
el.append(f'')
el.append(f'')
el.append(f'')
return f'' + "".join(el) + ""
def motif_huang(v, deg, jitter):
"""二级 · 玉璜弧线 · 4:30/7:30点位 · 穿弦纹之下（外弦纹压其上）"""
L, A, E = v["line"], v["accent"], v["engraved"]
fill = A if v["huang_fill"] else "none"
ccx, ccy, ro, ri = 0.0, 2.2, 6.4, 3.9
a_out0, a_out1 = math.radians(215), math.radians(325)
o0 = (ccx + ro * math.cos(a_out0), ccy + ro * math.sin(a_out0))
o1 = (ccx + ro * math.cos(a_out1), ccy + ro * math.sin(a_out1))
i0 = (ccx + ri * math.cos(a_out0), ccy + ri * math.sin(a_out0))
i1 = (ccx + ri * math.cos(a_out1), ccy + ri * math.sin(a_out1))
d = (f"M{f(o0[0])},{f(o0[1])} A{f(ro)},{f(ro)} 0 0 1 {f(o1[0])},{f(o1[1])} "
f"L{f(i1[0])},{f(i1[1])} A{f(ri)},{f(ri)} 0 0 0 {f(i0[0])},{f(i0[1])} Z")
el = [f'']
for r_mid in (4.7, 5.5):
m0 = (ccx + r_mid * math.cos(math.radians(230)), ccy + r_mid * math.sin(math.radians(230)))
m1 = (ccx + r_mid * math.cos(math.radians(310)), ccy + r_mid * math.sin(math.radians(310)))
el.append(f'')
for s in (-1, 1):
el.append(f'')
return f'' + "".join(el) + ""
def motif_connector(v, deg, jitter):
"""三级 · 重圈眼+小卷云 · 1:30/10:30点位 · 穿弦纹之下"""
L, A, E = v["line"], v["accent"], v["engraved"]
el = [f'',
f'',
f'']
for s in (-1, 1):
el.append(f'')
return f'' + "".join(el) + ""
def motif_birds(v):
"""二级 · 神鸟一对 · 6点位 · 尾羽交叉收口 · 压内弦纹之上"""
L, A, BG, E = v["line"], v["accent"], v["bg"], v["engraved"]
bird = [
f'',
f'',
f'',
f'',
f'',
f'',
f'',
f'',
f'',
f'',
]
if v["bird_tip"]:
bird.append(f'')
b = "".join(bird)
return (f''
f'{b}{b}')
def motif_filler(v, deg, jitter, mirror=1):
"""三级 · 小卷云填充"""
L, E = v["line"], v["engraved"]
return (f''
f''
f"")
def motif_arcgroup(v, deg, half=6.5):
"""三级 · 细密平行阴刻短弧组（沿带向三道）"""
L, E = v["line"], v["engraved"]
el = []
for dr in (-2.2, 0.0, 2.2):
rx, ry = 27 + dr, 31 + dr
p0, p1 = ept(rx, ry, deg - half), ept(rx, ry, deg + half)
el.append(f'')
return "".join(el)
# ──────────────────────────── 弦纹 ────────────────────────────
def chords(v):
L = v["line"]
el = [f'']
# 内弦纹分四段（留白区四角处断开），断口圆头收尾
for d0, d1 in ((46.8, 133.2), (158.4, 201.6), (226.8, 313.2), (338.4, 381.6)):
p0, p1 = ept(*INNER, d0), ept(*INNER, d1)
el.append(f'')
return "".join(el)
# ──────────────────────────── 整卡 ────────────────────────────
def build(vid):
v = VARIANTS[vid]
L, A, BG = v["line"], v["accent"], v["bg"]
under = (motif_connector(v, 315, 7) + motif_connector(v, 225, -7)
+ motif_huang(v, 45, 5) + motif_huang(v, 135, -5)
+ motif_filler(v, 329, 5) + motif_filler(v, 211, -5, mirror=-1)
+ motif_filler(v, 29, -6) + motif_filler(v, 151, 6, mirror=-1)
+ motif_filler(v, 67, 4) + motif_filler(v, 113, -4, mirror=-1)
+ motif_arcgroup(v, 17) + motif_arcgroup(v, 163)
+ motif_arcgroup(v, 197) + motif_arcgroup(v, 343)
+ motif_arcgroup(v, 292, half=5) + motif_arcgroup(v, 248, half=5))
over = (motif_face(v) + motif_cong(v, 0, 4) + motif_cong(v, 180, -4)
+ motif_birds(v))
svg = f'''
'''
(OUT / f"{vid}.svg").write_text(svg, encoding="utf-8")
print(f"{vid}.svg written ({len(svg)} bytes)")
for vid in "ABC":
build(vid)