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cosplay: Touhou/Houjuu Nue #4

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aniva wants to merge 189 commits from touhou/houjuu-nue into main
pull from: touhou/houjuu-nue
merge into: aniva:main
Conversation 0 Commits 189 Files Changed 12 +25 -16
1 changed files with 25 additions and 16 deletions
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19
nhf/parts/joints.py
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@ -1,4 +1,5 @@
from dataclasses import dataclass from dataclasses import dataclass
from typing import Optional
import math import math
import cadquery as Cq import cadquery as Cq
import nhf.parts.springs as springs import nhf.parts.springs as springs
@ -454,14 +455,14 @@ class TorsionJoint:
.workplane() .workplane()
.hole(self.radius_axle * 2) .hole(self.radius_axle * 2)
) )
theta_begin = math.radians(rider_slot_begin) theta_begin = -math.radians(rider_slot_begin)
theta_span = math.radians(self.rider_slot_span) theta_span = math.radians(self.rider_slot_span)
if abs(math.remainder(self.rider_slot_span, 360)) < TOL: if abs(math.remainder(self.rider_slot_span, 360)) < TOL:
theta_step = theta_span / self.rider_n_slots theta_step = theta_span / self.rider_n_slots
else: else:
theta_step = theta_span / (self.rider_n_slots - 1) theta_step = theta_span / (self.rider_n_slots - 1)
for i in range(self.rider_n_slots): for i in range(self.rider_n_slots):
theta = theta_begin + i * theta_step theta = theta_begin - i * theta_step
j = self.rider_n_slots - i - 1 if reverse_directrix_label else i j = self.rider_n_slots - i - 1 if reverse_directrix_label else i
result.polyline(self._directrix(self.rider_disk_height, theta), result.polyline(self._directrix(self.rider_disk_height, theta),
forConstruction=True).tag(f"dir{j}") forConstruction=True).tag(f"dir{j}")
@ -475,25 +476,33 @@ class TorsionJoint:
Cq.Assembly() Cq.Assembly()
.add(spring, name="spring", color=Role.DAMPING.color) .add(spring, name="spring", color=Role.DAMPING.color)
.add(track, name="track", color=Role.PARENT.color) .add(track, name="track", color=Role.PARENT.color)
.add(rider, name="rider", color=Role.PARENT.color) .add(rider, name="rider", color=Role.CHILD.color)
) )
TorsionJoint.add_constraints(result, TorsionJoint.add_constraints(
result,
rider="rider", track="track", spring="spring", rider="rider", track="track", spring="spring",
directrix=directrix) directrix=directrix)
return result.solve() return result.solve()
@staticmethod @staticmethod
def add_constraints(assembly: Cq.Assembly, def add_constraints(assembly: Cq.Assembly,
rider: str, track: str, spring: str, spring: str,
rider: Optional[str] = None,
track: Optional[str] = None,
directrix: int = 0): directrix: int = 0):
""" """
Add the necessary constraints to a RT assembly Add the necessary constraints to a RT assembly
""" """
if track:
( (
assembly assembly
.constrain(f"{track}?spring", f"{spring}?top", "Plane") .constrain(f"{track}?spring", f"{spring}?top", "Plane")
.constrain(f"{track}?dir", f"{spring}?dir_top", .constrain(f"{track}?dir", f"{spring}?dir_top",
"Axis", param=0) "Axis", param=0)
)
if rider:
(
assembly
.constrain(f"{rider}?spring", f"{spring}?bot", "Plane") .constrain(f"{rider}?spring", f"{spring}?bot", "Plane")
.constrain(f"{rider}?dir{directrix}", f"{spring}?dir_bot", .constrain(f"{rider}?dir{directrix}", f"{spring}?dir_bot",
"Axis", param=0) "Axis", param=0)