GameCult/VibeGeometry
Watch
9
0
Fork
You've already forked VibeGeometry
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Scale Lucent ray florets to Citadel arms

Browse source
This commit is contained in:
Meta Vens 2026-05-05 04:32:10 +01:00
commit 774b5851de
10 changed files with 26 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

21
examples/geometry_script/lucent_tether_habitat.py
View file

@ -266,14 +266,14 @@ def add_yz_disk(name, x, radius, material, segments=96):
def add_dome_base_crest(mats):
solar_verts, solar_faces = [], []
radiator_verts, radiator_faces = [], []
petals = 34
radial_steps = 5
petals = 18
radial_steps = 8
for petal in range(petals):
center_a = TAU * petal / petals + 0.025 * pymath.sin(petal * 1.7)
width = TAU / petals * (0.82 + 0.36 * hash01(petal, 0, 251))
outward_reach = 0.48 + 0.38 * fbm_2d(pymath.cos(center_a) * 2.1, pymath.sin(center_a) * 2.1, seed=177)
sunward_cant = 0.18 + 0.12 * hash01(petal, 9, 277)
twist = 0.08 * (hash01(petal, 4, 271) - 0.5)
width = TAU / petals * (0.72 + 0.24 * hash01(petal, 0, 251))
outward_reach = 0.8 + 0.42 * fbm_2d(pymath.cos(center_a) * 2.1, pymath.sin(center_a) * 2.1, seed=177)
arm_length = (TETHER_END[0] - CITY_GROUND_X) * (0.88 + 0.08 * hash01(petal, 12, 277))
twist = 0.18 * (hash01(petal, 4, 271) - 0.5)
target_verts = solar_verts if petal % 2 == 0 else radiator_verts
target_faces = solar_faces if petal % 2 == 0 else radiator_faces
petal_base = len(target_verts)
@ -284,10 +284,11 @@ def add_dome_base_crest(mats):
noise = fbm_2d(petal * 0.41, step * 0.73 + side, seed=303) - 0.5
local_width = width * (1.0 - 0.42 * smoothstep(t)) * edge + noise * 0.018
a = center_a + side * local_width * 0.5 + twist * t
radius = 1.57 + outward_reach * smoothstep(t) + 0.04 * noise
# Outside means sunward/outboard of the flattened dome base:
# negative X from the city ground plane, not inside the glass.
x = CITY_GROUND_X - 0.035 - sunward_cant * smoothstep(t)
radius = 1.62 + outward_reach * smoothstep(t) + 0.05 * noise
# External defensive arms stow by folding along the tether
# toward the far media-eye end; deployed they read as Citadel
# scale ray florets rather than petals glued to the dome.
x = CITY_GROUND_X + arm_length * smoothstep(t)
y = radius * pymath.cos(a)
z = radius * pymath.sin(a)
target_verts.append((x, y, z))