Nuevo dibujo (calle en perspectiva), New Rocker y naranja #ff7a1a

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hacklab 2026-10-13 12:52:18 +02:00
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# Genera docs/calle.svg: ilustración stencil "a la calle"
import sys, random
from fontTools.ttLib import TTFont
from fontTools.pens.svgPathPen import SVGPathPen
from fontTools.pens.transformPen import TransformPen
random.seed(26)
FONT, OUT = sys.argv[1], sys.argv[2]
# Genera docs/calle.svg: calle en perspectiva, gente saliendo de los portales.
# Calzada y acera con líneas limpias; edificios a mano alzada; gente con trazo difuso.
import sys, random, math
random.seed(1310)
OUT = sys.argv[1]
W, H = 1200, 640
INK, RED = "#000", "#ff1f1f"
out = []
def add(s): out.append(s)
VX, VY, F = 600, 205, 500 # punto de fuga y focal
EYE = 4.0 # cámara a 4 m (desde un balcón)
ROAD, WALK, TOP = 3.4, 6.6, -16.0 # medio ancho calzada, fachada, altura
INK, ORA = "#111", "#ff7a1a"
o = []
add = o.append
def text_path(txt, x, y, size, fill, anchor="middle", font=FONT):
f = TTFont(font); gs = f.getGlyphSet(); cmap = f.getBestCmap()
upm = f["head"].unitsPerEm; k = size / upm
widths = [f["hmtx"][cmap[ord(c)]][0] for c in txt]
total = sum(widths) * k
cx = x - total / 2 if anchor == "middle" else x
d = []
for c, w in zip(txt, widths):
pen = SVGPathPen(gs)
gs[cmap[ord(c)]].draw(TransformPen(pen, (k, 0, 0, -k, cx, y)))
d.append(pen.getCommands()); cx += w * k
return f'<path fill="{fill}" d="{" ".join(d)}"/>'
def blob(cx, cy, r, n, jit, fill, op=1):
import math
pts = []
for i in range(n):
a = 2 * math.pi * i / n
rr = r * (1 + random.uniform(-jit, jit))
if random.random() < .25: rr *= 1.25
pts.append((cx + rr * math.cos(a), cy + rr * math.sin(a)))
d = f"M{pts[0][0]:.0f},{pts[0][1]:.0f} " + " ".join(
f"Q{p[0]:.0f},{p[1]:.0f} {(p[0]+q[0])/2:.0f},{(p[1]+q[1])/2:.0f}"
for p, q in zip(pts, pts[1:] + pts[:1])) + "Z"
add(f'<path d="{d}" fill="{fill}" opacity="{op}"/>')
def splats(cx, cy, spread, n, rmax, fill):
for _ in range(n):
x = cx + random.gauss(0, spread); y = cy + random.gauss(0, spread * .6)
add(f'<circle cx="{x:.0f}" cy="{y:.0f}" r="{random.uniform(2, rmax):.1f}" fill="{fill}"/>')
def drips(x0, x1, y, fill, n):
for _ in range(n):
x = random.uniform(x0, x1); l = random.uniform(15, 70); w = random.uniform(5, 11)
add(f'<path d="M{x-w/2:.0f},{y} v{l:.0f} a{w/2:.1f},{w/2:.1f} 0 0 0 {w:.0f},0 v-{l:.0f}z" fill="{fill}"/>')
def tent(x, y, w, h):
add(f'<path d="M{x},{y} L{x+w/2},{y-h} L{x+w},{y} Z" fill="#fff" stroke="{INK}" stroke-width="8" stroke-linejoin="round"/>')
add(f'<path d="M{x+w/2},{y-h} L{x+w*.38},{y} L{x+w*.62},{y} Z" fill="{INK}"/>')
add(f'<path d="M{x+w/2},{y-h} l0,-22 l26,9 l-26,9" fill="{RED}" stroke="{INK}" stroke-width="4" stroke-linejoin="round"/>')
def fig(x, y, s=1.0, pose="down", step=1):
L = lambda *p: " ".join(f"{a:.0f}" for a in p)
sw = 19 * s
st = f'stroke="{INK}" stroke-width="{sw:.0f}" stroke-linecap="round" stroke-linejoin="round" fill="none"'
hipy = y - 78 * s; shy = y - 150 * s
# piernas (andando)
add(f'<path d="M{L(x-9*s, hipy)} L{L(x-9*s-24*s*step, y-38*s)} L{L(x-12*s-30*s*step, y)}" {st}/>')
add(f'<path d="M{L(x+9*s, hipy)} L{L(x+14*s+16*s*step, y-40*s)} L{L(x+20*s+26*s*step, y)}" {st}/>')
# torso (chupa)
add(f'<path d="M{L(x-31*s, shy)} L{L(x+31*s, shy)} L{L(x+24*s, hipy+6*s)} L{L(x-24*s, hipy+6*s)} Z" fill="{INK}" stroke="{INK}" stroke-width="{8*s:.0f}" stroke-linejoin="round"/>')
# cresta (detrás) + cabeza
if pose in ("fist", "cresta"):
for i in range(5):
dx = (i - 2) * 11 * s
add(f'<path d="M{L(x+dx-8*s, shy-40*s)} L{L(x+dx*1.9, shy-112*s)} L{L(x+dx+8*s, shy-40*s)} Z" fill="{RED}" stroke="{INK}" stroke-width="{5*s:.0f}" stroke-linejoin="round"/>')
add(f'<circle cx="{x:.0f}" cy="{shy-36*s:.0f}" r="{24*s:.0f}" fill="{INK}"/>')
# brazos
ls, rs = (x - 27 * s, shy + 8 * s), (x + 27 * s, shy + 8 * s)
if pose == "fist":
add(f'<path d="M{L(*rs)} L{L(x+52*s, shy-38*s)} L{L(x+50*s, shy-100*s)}" {st}/>')
add(f'<rect x="{x+33*s:.0f}" y="{shy-138*s:.0f}" width="{34*s:.0f}" height="{40*s:.0f}" rx="{10*s:.0f}" fill="{INK}"/>')
add(f'<path d="M{L(*ls)} L{L(x-46*s, shy+50*s)} L{L(x-40*s, shy+88*s)}" {st}/>')
elif pose.startswith("pole"):
side = -1 if pose == "poleL" else 1
px = x + side * 46 * s
add(f'<path d="M{L(*(rs if side>0 else ls))} L{L(px, shy-20*s)}" {st}/>')
add(f'<path d="M{L(*(ls if side>0 else rs))} L{L(x, shy+30*s)} L{L(px, shy+20*s)}" {st}/>')
else:
add(f'<path d="M{L(*ls)} L{L(x-44*s, shy+50*s)} L{L(x-38*s, shy+90*s)}" {st}/>')
add(f'<path d="M{L(*rs)} L{L(x+44*s, shy+50*s)} L{L(x+38*s, shy+90*s)}" {st}/>')
def P(X, Y, Z): # Y hacia abajo, suelo en Y = EYE
return VX + X * F / Z, VY + Y * F / Z
def poly(pts, **a):
d = "M" + " L".join(f"{x:.1f},{y:.1f}" for x, y in pts) + "Z"
add(f'<path d="{d}" ' + " ".join(f'{k.replace("_","-")}="{v}"' for k, v in a.items()) + "/>")
def line(p, q, w, filt=None, col=INK, op=1):
f = f' filter="url(#{filt})"' if filt else ""
add(f'<line x1="{p[0]:.1f}" y1="{p[1]:.1f}" x2="{q[0]:.1f}" y2="{q[1]:.1f}" stroke="{col}" stroke-width="{w:.1f}" stroke-linecap="round" opacity="{op}"{f}/>')
ZN, ZF = 4.4, 400.0
add(f'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 {W} {H}" width="{W}" height="{H}">')
add(f'<rect width="{W}" height="{H}" fill="#fff"/>')
# mancha roja de spray detrás
blob(600, 300, 250, 22, .18, RED)
splats(600, 300, 230, 70, 9, RED)
drips(420, 780, 470, RED, 9)
# calle: asfalto + paso de cebra
GY = 540
add(f'<rect x="0" y="{GY}" width="{W}" height="{H-GY}" fill="{INK}"/>')
for i in range(-2, 14):
x = i * 100
add(f'<path d="M{x+30},{GY+14} L{x+80},{GY+14} L{x+60},{H-14} L{x-10},{H-14} Z" fill="#fff"/>')
# tiendas al fondo
tent(40, GY, 190, 140); tent(190, GY, 140, 100)
tent(930, GY, 200, 150); tent(1070, GY, 120, 90)
# pancarta entre dos palos
bx0, bx1, by = 300, 900, 50
add(f'<path d="M{bx0},{by} L{bx1},{by} L{bx1},{by+115} Q{(bx0+bx1)/2},{by+140} {bx0},{by+115} Z" fill="#fff" stroke="{INK}" stroke-width="9" stroke-linejoin="round"/>')
add(text_path("¡A LA CALLE!", 600, by + 86, 74, INK))
drips(bx0 + 40, bx1 - 40, by + 122, INK, 6)
add(f'<line x1="{bx0}" y1="{by-20}" x2="{bx0}" y2="{GY-150}" stroke="{INK}" stroke-width="12" stroke-linecap="round"/>')
add(f'<line x1="{bx1}" y1="{by-20}" x2="{bx1}" y2="{GY-150}" stroke="{INK}" stroke-width="12" stroke-linecap="round"/>')
# gente
fig(bx0 + 46, GY - 4, 1.05, "poleL", 1)
fig(470, GY - 2, .95, "down", -1)
fig(600, GY, 1.15, "fist", 1)
fig(730, GY - 2, .95, "cresta", -1)
fig(bx1 - 46, GY - 4, 1.05, "poleR", 1)
# estrellas
for (sx, sy, r) in [(120, 90, 26), (1080, 110, 32), (990, 300, 16), (200, 300, 14)]:
import math
pts = " ".join(f"{sx + (r if i%2==0 else r*.42)*math.cos(math.pi/2 + i*math.pi/5):.0f},{sy - (r if i%2==0 else r*.42)*math.sin(math.pi/2 + i*math.pi/5):.0f}" for i in range(10))
add(f'<polygon points="{pts}" fill="{INK}"/>')
add('</svg>')
open(OUT, "w").write("\n".join(out))
add('''<defs>
<filter id="lapiz" x="-5%" y="-5%" width="110%" height="110%"><feTurbulence type="fractalNoise" baseFrequency="0.035" numOctaves="2" seed="3"/><feDisplacementMap in="SourceGraphic" scale="4"/></filter>
<filter id="trazo" x="-30%" y="-30%" width="160%" height="160%"><feTurbulence type="fractalNoise" baseFrequency="0.13" numOctaves="2" seed="5" result="t"/><feDisplacementMap in="SourceGraphic" in2="t" scale="3.5" result="d"/><feGaussianBlur in="d" stdDeviation="0.45"/></filter>
<filter id="spray" x="-30%" y="-30%" width="160%" height="160%"><feTurbulence type="fractalNoise" baseFrequency="0.09" numOctaves="3" seed="8" result="t"/><feDisplacementMap in="SourceGraphic" in2="t" scale="9" result="d"/><feGaussianBlur in="d" stdDeviation="0.7"/></filter>
<radialGradient id="luz"><stop offset="0" stop-color="#ff7a1a" stop-opacity=".9"/><stop offset="1" stop-color="#ff7a1a" stop-opacity="0"/></radialGradient>
<clipPath id="lienzo"><rect width="1200" height="640"/></clipPath>
</defs>''')
add(f'<g clip-path="url(#lienzo)"><rect width="{W}" height="{H}" fill="#fff"/>')
# luz naranja al fondo de la calle
add(f'<ellipse cx="{VX}" cy="{VY-10}" rx="170" ry="120" fill="url(#luz)"/>')
add(f'<g filter="url(#spray)">')
for _ in range(28):
a = random.uniform(0, 2*math.pi); r = random.uniform(30, 190)
add(f'<circle cx="{VX+r*math.cos(a)*1.2:.0f}" cy="{VY-10+r*math.sin(a)*.7:.0f}" r="{random.uniform(1.5,6):.1f}" fill="{ORA}"/>')
add('</g>')
# --- fachadas (a mano alzada) ---
def fachada(s):
X = s * WALK
# línea de cornisas / pisos
for Y in (EYE - 3.2, EYE - 6.8, EYE - 10.4, EYE - 14.0):
line(P(X, Y, ZN), P(X, Y, ZF), 2.2, "lapiz")
# aristas verticales de los portales y ventanas
z = ZN + 1.2
i = 0
while z < 90:
dz = 1.5
# portal
poly([P(X, EYE, z), P(X, EYE - 2.6, z), P(X, EYE - 2.6, z + dz), P(X, EYE, z + dz)],
fill=ORA if i % 2 == 0 else "#fff", stroke=INK, stroke_width=f"{max(1.2, 30/z):.1f}", filter="url(#lapiz)")
if i % 2 == 1:
poly([P(X, EYE, z+.2), P(X, EYE - 2.4, z+.2), P(X, EYE - 2.4, z + dz-.2), P(X, EYE, z + dz-.2)], fill=INK, opacity=".85", filter="url(#lapiz)")
# ventanas encima
for Yb in (EYE - 4.2, EYE - 7.8, EYE - 11.4):
poly([P(X, Yb, z+.15), P(X, Yb - 1.8, z+.15), P(X, Yb - 1.8, z + dz-.15), P(X, Yb, z + dz-.15)],
fill="none", stroke=INK, stroke_width=f"{max(.8, 18/z):.1f}", filter="url(#lapiz)")
z += dz + 2.2 + z * .12
i += 1
fachada(-1); fachada(1)
# --- acera y calzada (líneas limpias) ---
for s in (-1, 1):
# acera (gris claro) y bordillo
poly([P(s*ROAD, EYE-.15, ZN), P(s*WALK, EYE-.15, ZN), P(s*WALK, EYE-.15, ZF), P(s*ROAD, EYE-.15, ZF)], fill="#f2f2f2")
poly([P(s*ROAD, EYE-.15, ZN), P(s*ROAD, EYE, ZN), P(s*ROAD, EYE, ZF), P(s*ROAD, EYE-.15, ZF)], fill=INK)
line(P(s*ROAD, EYE-.15, ZN), P(s*ROAD, EYE-.15, ZF), 3)
line(P(s*WALK, EYE, ZN), P(s*WALK, EYE, ZF), 3)
# juntas de las baldosas
z = ZN
while z < 120:
line(P(s*ROAD, EYE-.15, z), P(s*WALK, EYE-.15, z), max(.6, 9/z))
z *= 1.12
for k in (1, 2):
Xk = s * (ROAD + (WALK - ROAD) * k / 3)
line(P(Xk, EYE-.15, ZN), P(Xk, EYE-.15, ZF), .8, op=.6)
# línea discontinua central
z = ZN
while z < 200:
poly([P(-.08, EYE, z), P(.08, EYE, z), P(.08, EYE, z+2.2), P(-.08, EYE, z+2.2)], fill=INK)
z += 2.2 + 2.6 + z * .08
# bordes de la calzada
for s in (-1, 1):
line(P(s*(ROAD-.25), EYE, ZN), P(s*(ROAD-.25), EYE, ZF), 2.4)
# paso de cebra delante
for i in range(-6, 7):
x0 = i * .52
poly([P(x0-.2, EYE, ZN+.2), P(x0+.2, EYE, ZN+.2), P(x0+.2, EYE, ZN+2.6), P(x0-.2, EYE, ZN+2.6)], fill=INK)
# --- gente (trazo difuso) ---
def persona(X, Z, col=INK, pose=None):
x, y = P(X, EYE, Z)
h = 1.72 * F / Z
if pose is None:
pose = random.choice(["anda", "anda", "puño", "brazos", "anda"])
paso = random.uniform(-1, 1)
w = max(1.1, .042 * h)
hd = (x + random.uniform(-.02, .02) * h, y - .9 * h)
nk, hip = (x, y - .8 * h), (x + paso * .01 * h, y - .48 * h)
sh_l, sh_r = (x - .11 * h, y - .78 * h), (x + .11 * h, y - .78 * h)
pie_l, pie_r = (x - .05*h - paso*.08*h, y), (x + .05*h + paso*.08*h, y)
rod_l, rod_r = (x - .04*h - paso*.04*h, y - .25*h), (x + .04*h + paso*.05*h, y - .25*h)
if pose == "puño":
m_l, c_l = (x - .14*h, y - .46*h), (x - .15*h, y - .62*h)
m_r, c_r = (x + .1*h, y - 1.18*h), (x + .17*h, y - .98*h)
elif pose == "brazos":
m_l, c_l = (x - .26*h, y - 1.12*h), (x - .2*h, y - .95*h)
m_r, c_r = (x + .26*h, y - 1.12*h), (x + .2*h, y - .95*h)
else:
m_l, c_l = (x - .15*h - paso*.05*h, y - .44*h), (x - .16*h, y - .6*h)
m_r, c_r = (x + .15*h + paso*.05*h, y - .44*h), (x + .16*h, y - .6*h)
def tr(*pts, ww):
d = "M" + " L".join(f"{a+random.uniform(-.6,.6):.1f},{b+random.uniform(-.6,.6):.1f}" for a, b in pts)
add(f'<path d="{d}" fill="none" stroke="{col}" stroke-width="{ww:.1f}" stroke-linecap="round" stroke-linejoin="round"/>')
for pas in range(2): # dos pasadas desplazadas = trazo suelto
ww = w * (1 if pas == 0 else .6)
dx, dy = (0, 0) if pas == 0 else (random.uniform(-.03, .03) * h, random.uniform(-.02, .02) * h)
add(f'<g opacity="{.92 if pas == 0 else .45}" transform="translate({dx:.1f},{dy:.1f})">')
tr(nk, hip, ww=ww * 1.5)
tr(hip, rod_l, pie_l, ww=ww)
tr(hip, rod_r, pie_r, ww=ww)
tr(sh_l, c_l, m_l, ww=ww * .85)
tr(sh_r, c_r, m_r, ww=ww * .85)
tr(sh_l, sh_r, ww=ww * 1.2)
add(f'<ellipse cx="{hd[0]:.1f}" cy="{hd[1]:.1f}" rx="{.062*h:.1f}" ry="{.072*h:.1f}" fill="{col}"/>')
add('</g>')
gente = []
# saliendo de los portales (en la acera)
for s in (-1, 1):
z = ZN + 1.2; i = 0
while z < 70:
if i % 2 == 0:
for k in range(random.randint(1, 3)):
gente.append((s * random.uniform(WALK - 1.6, WALK - .4), z + random.uniform(.2, 1.4), INK))
z += 1.5 + 2.2 + z * .12; i += 1
# bajando a la calzada, hacia el centro
for _ in range(42):
Z = math.exp(random.uniform(math.log(6.5), math.log(70)))
gente.append((random.uniform(-ROAD + .4, ROAD - .4), Z, ORA if random.random() < .22 else INK))
gente.sort(key=lambda g: -g[1])
add('<g filter="url(#trazo)">')
for X, Z, col in gente:
persona(X, Z, col)
add('</g>')
# salpicaduras sueltas
add('<g filter="url(#spray)">')
for _ in range(40):
add(f'<circle cx="{random.uniform(0,W):.0f}" cy="{random.uniform(H*.55,H):.0f}" r="{random.uniform(1,3.5):.1f}" fill="{INK}" opacity=".7"/>')
add('</g>')
add('</g></svg>')
open(OUT, "w").write("\n".join(o))