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Make A style hinges parametrical

This commit is contained in:
Florian Festi 2016-07-06 23:08:50 +02:00
parent 401ef597d8
commit fcda87d48a
1 changed files with 34 additions and 13 deletions
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47
boxes/edges.py
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@ -652,7 +652,7 @@ Values:
""" """
absolute_params = { absolute_params = {
"style" : "B", "style" : "A",
"outset" : False, "outset" : False,
"pinwidth" : 0.5, "pinwidth" : 0.5,
"grip_percentage" : 0, "grip_percentage" : 0,
@ -682,24 +682,36 @@ class Hinge(BaseEdge):
def A(self, _reversed=False): def A(self, _reversed=False):
t = self.thickness t = self.thickness
r = t*0.5*2**0.5 r = 0.5 * self.settings.axle
alpha = math.degrees(math.asin(0.5*t/r))
print(alpha)
pinl = (self.settings.axle**2-self.thickness**2)**0.5 * self.settings.pinwidth
pos = math.cos(math.radians(alpha)) * r
hinge = ( hinge = (
0, 0,
45, 0, 90-alpha, 0,
(-360, r), 0, (-360, r), 0,
135, 90+alpha,
t, t,
90, 90,
0.5*t, 0.5*t,
(180, 1.5*t), 0, (180, t+ pos), 0,
(-90, 0.5*t), 0 (-90, 0.5*t), 0
) )
if _reversed: if _reversed:
hinge = reversed(hinge) hinge = reversed(hinge)
self.polyline(*hinge) self.polyline(*hinge)
self.boxes.rectangularHole(-pos, -0.5*t, pinl, self.thickness)
else:
self.boxes.rectangularHole(pos, -0.5*t, pinl, self.thickness)
self.polyline(*hinge)
def Alen(self): def Alen(self):
return 2.5 * self.thickness t = self.thickness
r = 0.5 * self.settings.axle
alpha = math.degrees(math.asin(0.5*t/r))
pos = math.cos(math.radians(alpha)) * r
return 2 * pos + 1.5 * t
def B(self, _reversed=False): def B(self, _reversed=False):
t = self.thickness t = self.thickness
@ -762,32 +774,41 @@ class HingePin(BaseEdge):
def A(self, _reversed=False): def A(self, _reversed=False):
t = self.thickness t = self.thickness
pin = (0, -90, r = 0.5 * self.settings.axle
alpha = math.degrees(math.asin(0.5*t/r))
pos = math.cos(math.radians(alpha)) * r
pinl = (self.settings.axle**2-self.thickness**2)**0.5 * self.settings.pinwidth
pin = (pos-0.5*pinl, -90,
t, 90, t, 90,
t, pinl,
90, 90,
t, t,
-90) -90)
if self.settings.outset: if self.settings.outset:
pin += ( pin += (
1.5*t, pos-0.5*pinl+1.5*t,
-90, -90,
t, t,
90, 90,
0, 0,
) )
else: else:
pin += (0.0,) pin += (pos-0.5*pinl,)
if _reversed: if _reversed:
pin = reversed(pin) pin = reversed(pin)
self.polyline(*pin) self.polyline(*pin)
def Alen(self): def Alen(self):
t = self.thickness
r = 0.5 * self.settings.axle
alpha = math.degrees(math.asin(0.5*t/r))
pos = math.cos(math.radians(alpha)) * r
if self.settings.outset: if self.settings.outset:
return 2.5* self.thickness return 2 * pos + 1.5* self.thickness
else: else:
return self.thickness return 2 * pos
def B(self, _reversed=False): def B(self, _reversed=False):
t = self.thickness t = self.thickness