from __future__ import annotations
import math
import boxes.vectors
[docs]
class EyeEdge(boxes.edges.FingerHoleEdge):
char = "m"
def __init__(self, boxes, servo, fingerHoles=None, driven: bool = False, outset: bool = False, **kw) -> None:
self.servo = servo
self.outset = outset
self.driven = driven
super().__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) -> float:
return self.fingerHoles.settings.thickness
[docs]
def margin(self) -> float:
return self.servo.hinge_depth() + self.fingerHoles.settings.thickness + self.servo.servo_axle * 2
[docs]
def buildEdges(boxes, servo, chars: str = "mMnN"):
result = {}
for n, char in enumerate(chars):
e = EyeEdge(boxes, servo, outset=(n < 2), driven=((n % 2) == 1))
e.char = char
result[char] = e
return result
[docs]
class ServoArg:
def __init__(self, includeNone: bool = False) -> None:
self.servos = ["Servo9g"]
if includeNone:
self.servos[0:0] = ["none"]
def __call__(self, arg) -> str:
return str(arg)
[docs]
def choices(self) -> list[str]:
return [name for name in self.servos]
[docs]
def html(self, name: str, default: str, translate) -> str:
options = "\n".join("""<option value="{}"{}>{}</option>""".format(name, ' selected="selected"' if name == default else "", name) for name in self.servos)
return f"""<select name="{name}" size="1">\n{options}</select>\n"""
[docs]
class Servo:
def __init__(self, boxes, axle: float = 3) -> None:
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: float = 22.5
length: float = 28.0 # one tab in the wall
width: float = 12.0
axle_pos: float = 6.0
servo_axle: float = 4.6 # 6.9 for servo arm
[docs]
def top(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, 6)
self.boxes.hole(12, 0, 3)
[docs]
def bottom(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, self.axle / 2.0)
[docs]
def front(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
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) -> float:
return self.height + self.boxes.thickness + 4.5
[docs]
def hinge_depth(self) -> float:
return self.height # XXX
[docs]
class Servo9gt(Servo9g):
height = 35
[docs]
def top(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, 6)
self.boxes.hole(12, 0, 5)
[docs]
def bottom(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
self.boxes.moveTo(x, y, angle)
self.boxes.hole(6, 0, self.axle)
[docs]
def front(self, x: float = 0.0, y: float = 0.0, angle: float = 90.0) -> None:
self.boxes.moveTo(x, y, angle)
self.boxes.rectangularHole(5.4, 0, 2.4, 12)
