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Add attachment point wings to Eiki crown

This commit is contained in:
Leni Aniva 2025-03-30 16:57:03 -07:00
parent 704baebd1e
commit 9d9d59ffeb
Signed by: aniva
GPG Key ID: 4D9B1C8D10EA4C50
1 changed files with 47 additions and 3 deletions
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50
nhf/touhou/shiki_eiki/crown.py
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@ -200,8 +200,52 @@ class Crown(Model):
.circle(self.margin / 2)
)
def profile_front_wing(self, mirror: bool) -> Cq.Sketch:
# Add the two wings to the base profile
hw = self.front_wing_height / math.cos(self.slot_theta)
hw0 = (self.front_wing_dh + self.slot_h0) / math.cos(self.slot_theta)
hw1 = hw0 + hw
y0 = self.slot_h0 / math.cos(self.slot_theta)
# Calculate angle of wing analogously to `this.slot_phi`. This arc's
# radius is hw0.
wing_arc = self.slot_r0 * math.radians(self.front_wing_angle)
phi_w = wing_arc / hw0
sign = -1 if mirror else 1
phi2 = self.slot_phi / 2
return (
Cq.Sketch()
.segment(
(sign * hw0 * math.sin(phi2), -y0 + hw0 * math.cos(phi2)),
(sign * hw1 * math.sin(phi2), -y0 + hw1 * math.cos(phi2)),
)
.segment(
(sign * hw0 * math.sin(phi2+phi_w), -y0 + hw0 * math.cos(phi2+phi_w)),
(sign * hw1 * math.sin(phi2+phi_w), -y0 + hw1 * math.cos(phi2+phi_w)),
)
.arc(
(sign * hw0 * math.sin(phi2), -y0 + hw0 * math.cos(phi2)),
(sign * hw0 * math.sin(phi2+phi_w/2), -y0 + hw0 * math.cos(phi2+phi_w/2)),
(sign * hw0 * math.sin(phi2+phi_w), -y0 + hw0 * math.cos(phi2+phi_w)),
)
.arc(
(sign * hw1 * math.sin(phi2), -y0 + hw1 * math.cos(phi2)),
(sign * hw1 * math.sin(phi2+phi_w/2), -y0 + hw1 * math.cos(phi2+phi_w/2)),
(sign * hw1 * math.sin(phi2+phi_w), -y0 + hw1 * math.cos(phi2+phi_w)),
)
.assemble()
)
@target(name="front", kind=TargetKind.DXF)
def profile_front(self) -> Cq.Sketch:
profile_base = (
self.profile_base()
.boolean(self.profile_front_wing(False), mode='a')
.boolean(self.profile_front_wing(True), mode='a')
)
dx_l = self.facet_width_lower
dx_u = self.facet_width_upper
dy = self.height
@ -215,7 +259,7 @@ class Crown(Model):
window_p1 = Cq.Location.from2d(
dx_u/2 - self.margin - window_length * 0.4,
dy/2 + self.margin/2,
math.degrees(math.atan2(dy/2, -dx_u/2)),
math.degrees(math.atan2(dy/2, -dx_u/2) * 0.95),
)
window_p2 = Cq.Location.from2d(
dx_l/2 - self.margin + window_length * 0.15,
@ -224,7 +268,7 @@ class Crown(Model):
)
# Carve the scale
z = dy * 1/64 # "Pen" Thickness
z = dy * 1/32 # "Pen" Thickness
scale_pan_x = dx_l / 2 * 0.6
scale_pan_y = dy / 2 * 0.7
pan_dx = dx_l * 1/4
@ -365,7 +409,7 @@ class Crown(Model):
)
return (
self.profile_base()
profile_base
.boolean(window.moved(window_p1), mode='s')
.boolean(window.moved(window_p1.flip_x()), mode='s')
.boolean(window.moved(window_p2), mode='s')