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153e26c329
park_kit/tools/prop_author.py
type-two 153e26c329 park_kit v0.1 — 27 textured park props + 18 MODELBEAST surfaces + manifest 
propkit.py: textured-GLB writer (TEXCOORD_0, shared external textures,
MIRRORED_REPEAT). prop_author.py: parametric generators — ramps, rails,
furniture, trees, dressing — each with local-space grind metadata and
skatemakerpro element/collider hints.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-03 19:47:34 +10:00

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#!/usr/bin/env python3
"""prop_author.py — the park object catalog. Every prop is parametric, textured
with the MODELBEAST surface set, and ships manifest metadata the skatemakerpro
editor can consume directly:
src props/<id>.glb (editor prop `src` field)
grinds local-space rail segments {a,b,ya,yb,kind} — translate/rotate with
the prop and append to the park's rails list
element a matching terrain-kind hint for ramps (quarter/bank/funbox/spine)
so placed ramps get real collision from the editor's heightfield
collider simple blocker hint for furniture/trees
Origin: ground centre. Metres, Y up. Ramps face +z (rider approaches from +z).
Run: python3 tools/prop_author.py -> props/*.glb + manifest.json
"""
import json, math, os, sys
sys.path.insert(0, os.path.dirname(__file__))
from propkit import (Mat, Prop, box, sheet, lathe, tube, blob, merge, translate,
rotate_y, scale, compute_normals, _p)
ROOT = os.path.join(os.path.dirname(__file__), '..')
PROPS = os.path.join(ROOT, 'props')
TEX = os.path.join(ROOT, 'textures')
# ---------------------------------------------------------------- materials
CONC = Mat('concrete', tex='concrete_smooth', uv=1.6)
CONC_R = Mat('concrete_rough', tex='concrete_rough', uv=1.4)
PLY = Mat('plywood', tex='plywood_ramp', uv=1.2)
GALV = Mat('galv', tex='steel_galv', uv=0.8, rough=0.5, metal=0.85)
STEEL = Mat('steel_worn', tex='steel_scratch', uv=0.45, rough=0.35, metal=0.9)
SLATS = Mat('slats', tex='wood_slats', uv=0.9)
BARKF = Mat('bark_fig', tex='bark_fig', uv=1.1)
BARKG = Mat('bark_gum', tex='bark_gum', uv=1.2)
LEAFF = Mat('leaves_fig', tex='leaves_fig', uv=1.6, double=True)
LEAFG = Mat('leaves_gum', tex='leaves_gum', uv=1.4, double=True,
tint=(0.78, 0.9, 0.7, 1)) # push the pale crown toward sage
DIRT = Mat('dirt', tex='dirt_mulch', uv=1.0)
BRICK = Mat('brick', tex='brick_qld', uv=1.2)
TARMAC = Mat('tarmac', tex='tarmac', uv=1.5)
GRAF_A = Mat('graffiti_a', tex='graffiti_a', uv=1.0) # uv_fit parts only
GRAF_B = Mat('graffiti_b', tex='graffiti_b', uv=1.0)
BIN_G = Mat('bin_green', tint=(0.13, 0.28, 0.16, 1), rough=0.7)
SAIL = Mat('sail', tint=(0.75, 0.42, 0.28, 1), rough=0.85, double=True)
# ---------------------------------------------------------------- helpers
def uv_fit(part, u0=0.0, v0=0.0, u1=1.0, v1=1.0):
"""Remap a part's UVs to [u0..u1]x[v0..v1] — for decal faces (graffiti)."""
us = [u for u, v in part['UV']]; vs = [v for u, v in part['UV']]
du = (max(us) - min(us)) or 1; dv = (max(vs) - min(vs)) or 1
part['UV'] = [(u0 + (u - min(us)) / du * (u1 - u0),
v0 + (v - min(vs)) / dv * (v1 - v0)) for u, v in part['UV']]
return part
def quad(a, b, c, d):
"""Single quad a->b->c->d ccw, UV 0..1."""
P = [a, b, c, d]
I = [0, 1, 2, 0, 2, 3]
N = compute_normals(P, I)
return _p(P, N, [(0, 0), (1, 0), (1, 1), (0, 1)], I)
def fan(pts, uvf, out=None):
"""Triangle fan from pts[0] over a planar boundary. uvf(p) -> (u, v).
out: desired outward normal — winding auto-reverses to face it (no more
hand-reasoning CCW per plate; qp_24 shipped invisible the first time)."""
P = list(pts)
I = []
for i in range(1, len(pts) - 1):
I += [0, i, i + 1]
N = compute_normals(P, I)
if out is not None:
d = sum(n[k] * out[k] for n in N for k in range(3))
if d < 0:
I = [I[i + o] for i in range(0, len(I), 3) for o in (0, 2, 1)]
N = [(-x, -y, -z) for x, y, z in N]
return _p(P, N, [uvf(p) for p in P], I)
def angle_cap(x0, x1, y, z, t=0.05, th=0.008):
"""Steel L-angle capping a ledge top edge running along x at (y, z)."""
horiz = box((x0 + x1) / 2, y - th / 2, z, x1 - x0, th, t)
vert = box((x0 + x1) / 2, y - t / 2, z + (t / 2 if z >= 0 else -t / 2),
x1 - x0, t, th)
return merge(horiz, vert)
def arc_pts(r, th0, th1, n):
return [(r - r * math.cos(t), -r * math.sin(t))
for t in [th0 + (th1 - th0) * i / n for i in range(n + 1)]]
# =================================================================== ramps
def quarter(pid, w, h, r, desc):
th = math.acos(1 - h / r)
depth = r * math.sin(th)
n = 14
ys_zs = [(r - r * math.cos(t), -r * math.sin(t))
for t in [th * i / n for i in range(n + 1)]]
p = Prop(pid, 'obstacle', desc)
# riding surface (two columns across width)
rows = [[(-w / 2, y, z), (w / 2, y, z)] for y, z in ys_zs]
p.add(PLY, sheet(rows))
# deck platform + coping
deck_d = 0.6
p.add(PLY, box(0, h - 0.04, -depth - deck_d / 2, w, 0.08, deck_d))
p.add(STEEL, tube([(-w / 2, h + 0.02, -depth), (w / 2, h + 0.02, -depth)],
0.032, seg=10))
# side plates: arc boundary + deck + back-down (fan from back-bottom corner)
prof = [( -depth - deck_d, 0)] + [(z, y) for y, z in ys_zs] + \
[(-depth, h), (-depth - deck_d, h)]
for sx in (-w / 2, w / 2):
pts = [(sx, y, z) for z, y in prof]
p.add(PLY, fan(pts, lambda pp: (pp[2], pp[1]), out=(sx, 0, 0)))
# back wall
p.add(GALV, box(0, h / 2, -depth - deck_d + 0.02, w, h, 0.04))
p.grind(-w / 2, -depth, w / 2, -depth, h + 0.02, h + 0.02, 'rail')
p.element = {'kind': 'quarter', 'len': w, 'r0': r, 'r1': r, 'h': h}
return p
def bank(pid, w, h, run, desc):
p = Prop(pid, 'obstacle', desc)
rows = [[(-w / 2, 0, run), (w / 2, 0, run)], [(-w / 2, h, 0), (w / 2, h, 0)]]
p.add(PLY, sheet(rows))
p.add(PLY, box(0, h - 0.02, -0.2, w, 0.04, 0.4)) # top plate
for sx in (-w / 2, w / 2):
p.add(PLY, fan([(sx, 0, -0.4), (sx, 0, run), (sx, h, 0), (sx, h, -0.4)],
lambda pp: (pp[2], pp[1]), out=(sx, 0, 0)))
p.add(GALV, box(0, h / 2, -0.38, w, h, 0.04))
p.add(STEEL, angle_cap(-w / 2, w / 2, h, 0))
p.grind(-w / 2, 0, w / 2, 0, h, h, 'ledge')
p.element = {'kind': 'bank', 'len': w, 'h': h, 'run': run}
return p
def kicker():
p = Prop('kicker', 'obstacle', 'curved plywood launch kicker')
w, h, run, n = 1.2, 0.45, 1.0, 8
rows = []
for i in range(n + 1):
t = i / n
y = h * t * t # quadratic curve
z = run * (1 - t)
rows.append([(-w / 2, y, z), (w / 2, y, z)])
p.add(PLY, sheet(rows))
for sx in (-w / 2, w / 2):
pts = [(sx, 0, run)] + [(sx, h * (i / n) ** 2, run * (1 - i / n)) for i in range(1, n + 1)] + [(sx, 0, 0)]
p.add(PLY, fan(pts, lambda pp: (pp[2], pp[1]), out=(sx, 0, 0)))
p.add(GALV, box(0, h / 2, -0.02, w, h, 0.04))
p.add(STEEL, box(0, h - 0.005, 0.02, w, 0.01, 0.06)) # lip strip
p.element = {'kind': 'bank', 'len': w, 'h': h, 'run': run}
return p
def funbox_ply():
p = Prop('funbox_ply', 'obstacle', 'plywood funbox, banks both sides, steel edge caps')
w, d, h, skirt = 2.4, 1.2, 0.6, 1.0
p.add(PLY, box(0, h - 0.04, 0, w, 0.08, d)) # top
for sz in (1, -1): # bank skirts
rows = [[(-w / 2, 0, sz * (d / 2 + skirt)), (w / 2, 0, sz * (d / 2 + skirt))],
[(-w / 2, h, sz * d / 2), (w / 2, h, sz * d / 2)]]
p.add(PLY, sheet(rows, flip=(sz < 0)))
p.add(STEEL, angle_cap(-w / 2, w / 2, h, sz * d / 2))
p.grind(-w / 2, sz * d / 2, w / 2, sz * d / 2, h, h, 'ledge')
for sx in (-w / 2, w / 2): # side triangles
p.add(GALV, fan([(sx, 0, -(d / 2 + skirt)), (sx, 0, d / 2 + skirt),
(sx, h, d / 2), (sx, h, -d / 2)],
lambda pp: (pp[2], pp[1]), out=(sx, 0, 0)))
p.element = {'kind': 'funbox', 'hw': w / 2, 'hd': d / 2, 'h': h, 'skirt': skirt}
return p
def spine_ply():
p = Prop('spine_ply', 'obstacle', 'plywood spine, double coping')
w, h, r = 2.4, 0.9, 1.35
th = math.acos(1 - h / r)
depth = r * math.sin(th)
n = 12
for sz in (1, -1):
arc = [(r - r * math.cos(t), r * math.sin(th) - r * math.sin(t))
for t in [th * i / n for i in range(n + 1)]]
rows = [[(-w / 2, y, sz * (z + 0.1)), (w / 2, y, sz * (z + 0.1))] for y, z in arc]
p.add(PLY, sheet(rows, flip=(sz < 0)))
p.add(STEEL, tube([(-w / 2, h + 0.02, sz * 0.1), (w / 2, h + 0.02, sz * 0.1)],
0.032, seg=10))
p.grind(-w / 2, sz * 0.1, w / 2, sz * 0.1, h + 0.02, h + 0.02, 'rail')
p.add(PLY, box(0, h - 0.01, 0, w, 0.02, 0.2)) # spine cap between copings
for sx in (-w / 2, w / 2): # side plates
arc = [(r - r * math.cos(t), r * math.sin(th) - r * math.sin(t))
for t in [th * i / n for i in range(n + 1)]]
pts = [(sx, y, z + 0.1) for y, z in arc] + \
[(sx, y, -(z + 0.1)) for y, z in reversed(arc)]
p.add(PLY, fan(pts, lambda pp: (pp[2], pp[1]), out=(sx, 0, 0)))
p.element = {'kind': 'spine', 'len': w, 'r': r, 'h': h}
return p
def manual_pad():
p = Prop('manual_pad', 'obstacle', 'low concrete manual pad, steel edges')
w, d, h = 2.0, 1.6, 0.28
p.add(CONC, box(0, h / 2, 0, w, h, d))
for sz in (1, -1):
p.add(STEEL, angle_cap(-w / 2, w / 2, h, sz * d / 2))
p.grind(-w / 2, sz * d / 2, w / 2, sz * d / 2, h, h, 'ledge')
p.element = {'kind': 'funbox', 'hw': w / 2, 'hd': d / 2, 'h': h, 'skirt': 0.3}
return p
def ledge_concrete():
p = Prop('ledge_concrete', 'obstacle', 'concrete grind ledge, tagged side')
w, d, h = 2.4, 0.45, 0.42
p.add(CONC, box(0, h / 2, 0, w, h, d))
side = uv_fit(quad((-w / 2, 0, d / 2 + 0.002), (w / 2, 0, d / 2 + 0.002),
(w / 2, h, d / 2 + 0.002), (-w / 2, h, d / 2 + 0.002)))
p.add(GRAF_B, side)
for sz in (1, -1):
p.add(STEEL, angle_cap(-w / 2, w / 2, h, sz * d / 2))
p.grind(-w / 2, sz * d / 2, w / 2, sz * d / 2, h, h, 'ledge')
p.collider = {'type': 'box', 'hw': w / 2, 'hd': d / 2, 'h': h}
p.element = {'kind': 'ledge', 'hw': w / 2, 'hd': d / 2, 'h': h}
return p
def grindbox_ply():
p = Prop('grindbox_ply', 'obstacle', 'plywood grindbox: round bar one edge, angle the other')
w, d, h = 1.8, 0.5, 0.4
p.add(PLY, box(0, h / 2, 0, w, h, d))
p.add(STEEL, tube([(-w / 2, h + 0.024, d / 2), (w / 2, h + 0.024, d / 2)], 0.024, seg=8))
p.grind(-w / 2, d / 2, w / 2, d / 2, h + 0.024, h + 0.024, 'rail')
p.add(STEEL, angle_cap(-w / 2, w / 2, h, -d / 2))
p.grind(-w / 2, -d / 2, w / 2, -d / 2, h, h, 'ledge')
p.element = {'kind': 'ledge', 'hw': w / 2, 'hd': d / 2, 'h': h}
return p
# =================================================================== rails
def flat_rail(pid, length, h, feet, desc):
p = Prop(pid, 'obstacle', desc)
r = 0.021
p.add(STEEL, tube([(-length / 2, h, 0), (length / 2, h, 0)], r, seg=10))
for i in range(feet):
fx = -length / 2 + 0.25 + (length - 0.5) * (i / max(1, feet - 1))
p.add(GALV, tube([(fx, 0, 0), (fx, h - r, 0)], 0.018, seg=8))
p.add(GALV, box(fx, 0.006, 0, 0.16, 0.012, 0.12))
p.grind(-length / 2, 0, length / 2, 0, h, h, 'rail')
p.collider = {'type': 'none'} # thin — ride under is fine
return p
def rail_kink():
p = Prop('rail_kink', 'obstacle', 'kinked down rail: flat then slope')
h1, h2 = 0.55, 0.10
pts = [(-1.6, h1, 0), (0.2, h1, 0), (1.6, h2, 0)]
p.add(STEEL, tube(pts, 0.021, seg=10))
for fx, fy in ((-1.35, h1), (0.1, h1), (1.45, h2 + 0.06)):
p.add(GALV, tube([(fx, 0, 0), (fx, fy - 0.02, 0)], 0.018, seg=8))
p.add(GALV, box(fx, 0.006, 0, 0.16, 0.012, 0.12))
p.grind(-1.6, 0, 0.2, 0, h1, h1, 'rail')
p.grind(0.2, 0, 1.6, 0, h1, h2, 'rail')
p.collider = {'type': 'none'}
return p
def rail_rainbow():
p = Prop('rail_rainbow', 'obstacle', 'rainbow rail arc')
span, peak, n = 3.2, 0.8, 10
pts = []
for i in range(n + 1):
t = i / n
x = -span / 2 + span * t
y = 0.06 + (peak - 0.06) * math.sin(math.pi * t)
pts.append((x, y, 0))
p.add(STEEL, tube(pts, 0.021, seg=10))
for sx in (-span / 2, span / 2):
p.add(GALV, box(sx, 0.03, 0, 0.2, 0.06, 0.14))
p.grind(-span / 2, 0, 0, 0, 0.06, peak, 'rail')
p.grind(0, 0, span / 2, 0, peak, 0.06, 'rail')
p.collider = {'type': 'none'}
return p
def pipe_full():
p = Prop('pipe_full', 'obstacle', 'concrete full pipe, graffiti bombed outside')
ri, ro, L, seg = 1.75, 1.9, 3.0, 24
cy = ri # inner floor kisses ground
def ring(rr):
return [(math.cos(2 * math.pi * i / seg) * rr,
cy + math.sin(2 * math.pi * i / seg) * rr) for i in range(seg + 1)]
inner = sheet([[(-L / 2, y, x), (L / 2, y, x)] for x, y in ring(ri)], flip=True)
outer = sheet([[(-L / 2, y, x), (L / 2, y, x)] for x, y in ring(ro)])
p.add(CONC, inner)
p.add(Mat('graffiti_wrap', tex='graffiti_a', uv=3.5), outer) # murals round the girth
for sx in (-1, 1): # end rings
P, N, UV, I = [], [], [], []
for i in range(seg + 1):
a = 2 * math.pi * i / seg
P += [(sx * L / 2, cy + math.sin(a) * ri, math.cos(a) * ri),
(sx * L / 2, cy + math.sin(a) * ro, math.cos(a) * ro)]
N += [(sx, 0, 0)] * 2
UV += [(math.cos(a) * ri, cy + math.sin(a) * ri),
(math.cos(a) * ro, cy + math.sin(a) * ro)]
for i in range(seg):
b = i * 2
tri = [b, b + 2, b + 1, b + 1, b + 2, b + 3]
if sx < 0: tri = [b, b + 1, b + 2, b + 1, b + 3, b + 2]
I += tri
p.add(CONC_R, _p(P, N, UV, I))
p.collider = {'type': 'box', 'hw': L / 2, 'hd': ro, 'h': 2 * ro}
return p
# ================================================================ furniture
def bench_park():
p = Prop('bench_park', 'furniture', 'timber slat park bench, steel frame')
L, seat_h, seat_d = 1.8, 0.45, 0.5
for i in range(5): # seat slats
z = -seat_d / 2 + 0.05 + i * 0.1
p.add(SLATS, box(0, seat_h - 0.02, z, L, 0.04, 0.085))
for i in range(2): # back slats
y = 0.62 + i * 0.13
p.add(SLATS, box(0, y, -seat_d / 2 - 0.05 - (y - seat_h) * 0.25, L, 0.1, 0.04))
for sx in (-L / 2 + 0.12, L / 2 - 0.12): # steel loop legs
p.add(GALV, tube([(sx, 0, seat_d / 2 - 0.04), (sx, seat_h - 0.04, seat_d / 2 - 0.06),
(sx, seat_h - 0.04, -seat_d / 2 + 0.02),
(sx, 0.86, -seat_d / 2 - 0.11)], 0.02, seg=8))
p.add(GALV, tube([(sx, 0.02, seat_d / 2 - 0.04), (sx, 0.02, -seat_d / 2 + 0.02)],
0.018, seg=8))
p.grind(-L / 2, seat_d / 2, L / 2, seat_d / 2, seat_h, seat_h, 'ledge')
p.grind(-L / 2, -seat_d / 2 - 0.11, L / 2, -seat_d / 2 - 0.11, 0.86, 0.86, 'rail')
p.collider = {'type': 'box', 'hw': L / 2, 'hd': 0.35, 'h': seat_h}
return p
def bench_concrete():
p = Prop('bench_concrete', 'furniture', 'concrete bench block, tagged')
L, h, d = 1.8, 0.45, 0.45
p.add(CONC, box(0, h / 2, 0, L, h, d))
p.add(GRAF_B, uv_fit(quad((-L / 2, 0, d / 2 + 0.002), (L / 2, 0, d / 2 + 0.002),
(L / 2, h, d / 2 + 0.002), (-L / 2, h, d / 2 + 0.002))))
for sz in (1, -1):
p.grind(-L / 2, sz * d / 2, L / 2, sz * d / 2, h, h, 'ledge')
p.collider = {'type': 'box', 'hw': L / 2, 'hd': d / 2, 'h': h}
p.element = {'kind': 'ledge', 'hw': L / 2, 'hd': d / 2, 'h': h}
return p
def picnic_table():
p = Prop('picnic_table', 'furniture', 'timber A-frame picnic table')
L, top_h, seat_h = 1.8, 0.78, 0.45
for i in range(4): # tabletop planks
p.add(SLATS, box(0, top_h - 0.025, -0.3 + i * 0.2, L, 0.05, 0.18))
for sz in (1, -1): # seats
for i in range(2):
p.add(SLATS, box(0, seat_h - 0.025, sz * (0.62 + 0.0) + (i - 0.5) * 0.16 * sz * 0 + sz * (i * 0.16 - 0.08), L, 0.05, 0.14))
for sx in (-L / 2 + 0.2, L / 2 - 0.2): # A-frame legs
p.add(SLATS, box(sx, top_h / 2, 0.55, 0.09, 0.05, 2.0))
for sz in (1, -1):
leg = tube([(sx, 0, sz * 0.72), (sx, top_h - 0.05, sz * 0.28)], 0.032, seg=6)
p.add(SLATS, leg)
p.add(SLATS, box(sx, seat_h - 0.06, 0, 0.09, 0.05, 1.55))
for sz in (1, -1):
p.grind(-L / 2, sz * 0.4, L / 2, sz * 0.4, top_h, top_h, 'ledge')
p.collider = {'type': 'box', 'hw': L / 2, 'hd': 0.85, 'h': top_h}
return p
def bin_council():
p = Prop('bin_council', 'furniture', 'council park bin, dark green')
prof = [(0.26, 0.0), (0.28, 0.05), (0.28, 0.75), (0.30, 0.8),
(0.30, 0.92), (0.22, 1.0), (0.10, 1.02), (0.0, 1.02)]
p.add(BIN_G, lathe(prof, seg=14))
p.add(GALV, lathe([(0.30, 0.78), (0.305, 0.8), (0.30, 0.82)], seg=14,
cap_top=False))
p.collider = {'type': 'cylinder', 'r': 0.32, 'h': 1.02}
return p
def bollard_steel():
p = Prop('bollard_steel', 'furniture', 'galvanised bollard')
p.add(GALV, lathe([(0.08, 0.0), (0.08, 0.82), (0.075, 0.88), (0.04, 0.92), (0.0, 0.93)],
seg=12))
p.collider = {'type': 'cylinder', 'r': 0.1, 'h': 0.93}
return p
def railing_ped():
p = Prop('railing_ped_2m', 'furniture', 'pedestrian railing, 2m module')
L, H = 2.0, 1.0
p.add(GALV, tube([(-L / 2, H, 0), (L / 2, H, 0)], 0.024, seg=8))
p.add(GALV, tube([(-L / 2, 0.55, 0), (L / 2, 0.55, 0)], 0.018, seg=8))
for sx in (-L / 2 + 0.05, L / 2 - 0.05):
p.add(GALV, tube([(sx, 0, 0), (sx, H - 0.02, 0)], 0.024, seg=8))
p.add(GALV, box(sx, 0.006, 0, 0.14, 0.012, 0.14))
p.grind(-L / 2, 0, L / 2, 0, H, H, 'rail')
p.collider = {'type': 'none'}
return p
def planter_box():
p = Prop('planter_box', 'furniture', 'brick planter, concrete cap, gum sapling')
L, D, H = 1.2, 0.5, 0.5
p.add(BRICK, box(0, (H - 0.06) / 2, 0, L, H - 0.06, D))
p.add(CONC, box(0, H - 0.03, 0, L + 0.08, 0.06, D + 0.08))
p.add(DIRT, box(0, H - 0.055, 0, L - 0.12, 0.02, D - 0.12))
p.add(BARKG, tube([(0.1, H, 0), (0.05, H + 0.9, 0.05)], 0.035, seg=6))
p.add(LEAFG, translate(blob(0.45, 0.4, 0.45, seg=8, rings=5, amp=0.22, seed=3.0),
0.02, H + 1.05, 0.04))
for sz in (1, -1):
p.grind(-L / 2 - 0.04, sz * (D / 2 + 0.04), L / 2 + 0.04, sz * (D / 2 + 0.04),
H, H, 'ledge')
p.collider = {'type': 'box', 'hw': L / 2 + 0.04, 'hd': D / 2 + 0.04, 'h': H}
return p
def kerb_3m():
p = Prop('kerb_3m', 'dressing', 'kerb + gutter strip — slappy central')
L, kh = 3.0, 0.15
p.add(TARMAC, box(0, 0.005, 0.45, L, 0.01, 0.9)) # road gutter
p.add(CONC_R, box(0, kh / 2, -0.075, L, kh, 0.15)) # kerb stone
p.add(CONC_R, box(0, kh - 0.005, -0.45, L, 0.01, 0.6)) # footpath strip
p.grind(-L / 2, 0, L / 2, 0, kh, kh, 'ledge')
p.collider = {'type': 'none'}
return p
def wall_graffiti():
p = Prop('wall_graffiti', 'dressing', 'freestanding graffiti wall — wallride bait')
W, H, T = 3.6, 1.8, 0.25
p.add(CONC_R, box(0, H / 2, 0, W, H, T))
p.add(GRAF_A, uv_fit(quad((-W / 2, 0, T / 2 + 0.003), (W / 2, 0, T / 2 + 0.003),
(W / 2, H, T / 2 + 0.003), (-W / 2, H, T / 2 + 0.003))))
p.add(GRAF_B, uv_fit(quad((W / 2, 0, -T / 2 - 0.003), (-W / 2, 0, -T / 2 - 0.003),
(-W / 2, H, -T / 2 - 0.003), (W / 2, H, -T / 2 - 0.003))))
p.grind(-W / 2, 0, W / 2, 0, H, H, 'ledge')
p.collider = {'type': 'box', 'hw': W / 2, 'hd': T / 2, 'h': H}
return p
def shade_sail():
p = Prop('shade_sail', 'dressing', 'council shade sail on galv posts')
posts = [(-2.2, 3.2, -1.6), (2.4, 3.4, -1.2), (0.0, 3.0, 2.2)]
for x, h, z in posts:
p.add(GALV, tube([(x, 0, z), (x * 0.92, h, z * 0.92)], 0.055, seg=8))
n = 6
a, b, c = [(x * 0.92, h - 0.05, z * 0.92) for x, h, z in posts]
rows = []
for i in range(n + 1):
u = i / n
pa = tuple(a[k] + (b[k] - a[k]) * u for k in range(3))
pb = tuple(c[k] + (b[k] - c[k]) * u for k in range(3))
row = []
for j in range(n + 1):
v = j / n
pt = tuple(pa[k] + (pb[k] - pa[k]) * v for k in range(3))
sag = 0.5 * math.sin(math.pi * u) * math.sin(math.pi * v)
row.append((pt[0], pt[1] - sag, pt[2]))
rows.append(row)
p.add(SAIL, sheet(rows))
p.collider = {'type': 'cylinder', 'r': 0.1, 'h': 3.2}
return p
# =============================================================== vegetation
def tree_fig():
p = Prop('tree_fig', 'vegetation', 'Moreton Bay fig — buttress roots, huge canopy')
h = 2.8
prof = [(0.95, 0.0), (0.62, 0.35), (0.5, 0.9), (0.46, 1.8), (0.5, h)]
def buttress(iu, iv, r):
fl = max(0.0, 1.0 - iv / 2.5) ** 2
return r * (1 + fl * 0.5 * abs(math.sin(iu * 2.2 + 0.7)))
p.add(BARKF, lathe(prof, seg=14, jitter=buttress, cap_top=True))
for dx, dy, dz, rx, ry, rz, sd in [(0, 4.0, 0, 4.4, 1.9, 3.8, 1.0),
(2.1, 3.4, 1.2, 2.6, 1.4, 2.2, 5.0),
(-2.3, 3.6, -0.8, 2.4, 1.3, 2.4, 9.0)]:
p.add(LEAFF, translate(blob(rx, ry, rz, seg=12, rings=7, amp=0.18, seed=sd),
dx, dy, dz))
for bx, bz, tx, ty, tz in [(0.2, 0.1, 1.9, 3.5, 1.1), (-0.2, -0.1, -2.1, 3.7, -0.7)]:
p.add(BARKF, tube([(bx, h - 0.4, bz), (tx, ty, tz)], 0.16, seg=7))
p.collider = {'type': 'cylinder', 'r': 0.85, 'h': 2.8}
return p
def tree_gum():
p = Prop('tree_gum', 'vegetation', 'eucalypt — pale mottled trunk, sparse crown')
h = 5.6
prof = [(0.30, 0.0), (0.24, 0.5), (0.18, 2.5), (0.14, 4.2), (0.11, h)]
p.add(BARKG, lathe(prof, seg=10, cap_top=True))
p.add(BARKG, tube([(0, 4.1, 0), (1.3, 5.4, 0.6)], 0.09, seg=6))
p.add(BARKG, tube([(0, 4.8, 0), (-1.1, 5.9, -0.5)], 0.08, seg=6))
for dx, dy, dz, r, sd in [(0.3, 6.1, 0.2, 1.5, 2.0), (1.5, 5.8, 0.7, 1.2, 6.0),
(-1.3, 6.3, -0.6, 1.3, 11.0)]:
p.add(LEAFG, translate(blob(r, r * 0.62, r, seg=10, rings=6, amp=0.25, seed=sd),
dx, dy, dz))
p.collider = {'type': 'cylinder', 'r': 0.32, 'h': 5.6}
return p
def mound_dirt():
p = Prop('mound_dirt', 'dressing', 'dirt jump mound — ridable')
R, H, n = 2.2, 0.55, 10
rows = []
for i in range(n + 1):
zr = -R + 2 * R * i / n
row = []
for j in range(n + 1):
xr = -R + 2 * R * j / n
d2 = (xr * xr + zr * zr) / (R * R)
y = H * math.exp(-3.2 * d2) * max(0.0, 1 - d2 * 0.55)
row.append((xr, y, zr))
rows.append(row)
p.add(DIRT, sheet(rows, flip=True))
p.element = {'kind': 'mogul', 'h': H, 's': 1.4}
return p
# ---------------------------------------------------------------- build all
BUILDERS = [
lambda: quarter('qp_24', 2.4, 1.2, 1.8, 'plywood quarter pipe 4ft, steel coping'),
lambda: quarter('qp_18', 1.8, 0.9, 1.35, 'mini quarter 3ft'),
lambda: bank('bank_12', 2.4, 0.9, 1.8, 'plywood wedge bank'),
kicker, funbox_ply, spine_ply, manual_pad, ledge_concrete, grindbox_ply,
lambda: flat_rail('rail_flat_3m', 3.0, 0.35, 2, 'round flat rail, 3m'),
lambda: flat_rail('rail_flat_6m', 6.0, 0.45, 3, 'round flat rail, 6m'),
rail_kink, rail_rainbow, pipe_full,
bench_park, bench_concrete, picnic_table, bin_council, bollard_steel,
railing_ped, planter_box, kerb_3m, wall_graffiti, shade_sail,
tree_fig, tree_gum, mound_dirt,
]
def main():
os.makedirs(PROPS, exist_ok=True)
entries = []
for b in BUILDERS:
entries.append(b().save(PROPS, TEX))
manifest = {
'name': 'park_kit',
'version': '0.1',
'note': 'Original GODVERSE park objects. props/ and textures/ must ship together '
'(GLBs reference ../textures/*.jpg). grinds are prop-local segments — '
'rotate/translate with the prop and append to the park rails list. '
'element = matching skatemakerpro terrain kind for real collision.',
'textures': 'MODELBEAST flux_local (flux2-klein-4b), original generations',
'props': entries,
}
with open(os.path.join(ROOT, 'manifest.json'), 'w') as f:
json.dump(manifest, f, indent=1)
cats = {}
for e in entries: cats[e['category']] = cats.get(e['category'], 0) + 1
print(f"manifest.json: {len(entries)} props {cats}")
if __name__ == '__main__':
main()
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