import boxes.vectors
import math
[docs]class EyeEdge(boxes.edges.FingerHoleEdge):
char = "m"
def __init__(self, boxes, servo, fingerHoles=None, driven=False,
outset=False, **kw):
self.servo = servo
self.outset = outset
self.driven = driven
super(EyeEdge, self).__init__(boxes, fingerHoles, **kw)
def __call__(self, length, bedBolts=None, bedBoltSettings=None, **kw):
t = self.fingerHoles.settings.thickness
dist = self.fingerHoles.settings.edge_width
pos_axle = self.servo.hinge_depth()
self.ctx.save()
self.hole(length/2.0, -pos_axle,
self.servo.axle/2.0 if self.driven else
self.servo.servo_axle/2.0)
if self.outset:
self.fingerHoles(t, self.thickness / 2, length-2*t, 0)
else:
self.fingerHoles(0, self.thickness / 2, length, 0)
self.ctx.restore()
r = self.servo.servo_axle * 2
a, l = boxes.vectors.tangent(length/2, pos_axle, r)
angle = math.degrees(a)
self.polyline(0, -angle, l, (2*angle, r), l, -angle, 0)
[docs] def startwidth(self):
return self.fingerHoles.settings.thickness
[docs] def margin(self):
return self.servo.hinge_depth() + self.fingerHoles.settings.thickness + self.servo.servo_axle * 2
[docs]def buildEdges(boxes, servo, chars="mMnN"):
result = {}
for n, char in enumerate(chars):
e = EyeEdge(boxes, servo, outset=(n<2), driven=(n % 2))
e.char = char
result[char] = e
return result
[docs]class ServoArg:
def __init__(self, includenone=False):
self.servos = ["Servo9g"]
if includenone:
self.servos[0:0] = ["none"]
def __call__(self, arg):
return str(arg)
[docs] def choices(self):
return [name for name in self.servos]
[docs] def html(self, name, default, translate):
options = "\n".join(
("""<option value="%s"%s>%s</option>""" %
(name, ' selected="selected"' if name == default else "",
name) for name in self.servos))
return """<select name="%s" size="1">\n%s</select>\n""" % (name, options)
[docs]class Servo:
def __init__(self, boxes, axle=3):
self.boxes = boxes
self.axle = axle
self._edges = buildEdges(boxes, self)
[docs] def edges(self, edges):
return [self._edges.get(e, e) for e in edges]
[docs]class Servo9g(Servo):
height = 22.5
length = 28.0 # one tab in the wall
width = 12.0
axle_pos = 6.0
servo_axle = 4.6 # 6.9 for servo arm
[docs] def top(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, 6)
self.boxes.hole(12, 0, 3)
[docs] def bottom(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, self.axle/2.0)
[docs] def front(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.rectangularHole(5.4, 0, 2.4, 12)
self.boxes.rectangularHole(17, 0, 4, 16)
[docs] def hinge_width(self):
return self.height + self.boxes.thickness + 4.5
[docs] def hinge_depth(self):
return self.height # XXX
[docs]class Servo9gt(Servo9g):
height = 35
[docs] def top(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, 6)
self.boxes.hole(12, 0, 5)
[docs] def bottom(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, self.axle)
[docs] def front(self, x=0.0, y=0.0, angle=90.0):
self.boxes.moveTo(x, y, angle)
self.boxes.rectangularHole(5.4, 0, 2.4, 12)
