def recompute(self):
path = Sketch.CreatePath()
newpaths = [path]
h = self.h
path.AppendLine((5, 5))
path.AppendBezier((7, 5 + h / 2.), (12, 5 + h), (15, 5 + h))
path.AppendBezier((18, 5 + h), (22, 5 + h / 2), (25, 5))
path.Transform(self.trafo)
if self.objects:
self.objects[1].SetPaths(tuple(newpaths))
else:
skull = Sketch.Ellipse(Scale(22))
skull.Transform(Translation(15, 16))
mouth = Sketch.PolyBezier(tuple(newpaths))
r_eye = Sketch.Ellipse(Scale(3))
l_eye = Sketch.Ellipse(Scale(3))
l_eye.Transform(Translation(7, 21))
r_eye.Transform(Translation(22, 21))
self.set_objects([skull, mouth, r_eye, l_eye])
def recompute(self):
r1 = self.r1
r2 = self.r2
theta1 = self.theta1
theta2 = self.theta2
if theta2 < theta1:
theta2 = theta2+360
ring2 = Sketch.Ellipse(start_angle=theta1*pi/180,
end_angle=theta2*pi/180,
arc_type=0).Paths()[0]
ring1 = ring2.Duplicate()
ring2.Transform(Scale(r2))
ring1.Transform(Scale(r1))
new = Sketch.CreatePath()
newpaths = [new]
new.AppendLine(Polar(r1, theta1*pi/180.))
for i in range(ring2.len):
segment = ring2.Segment(i)
new.AppendSegment(*segment)
new.AppendLine(Polar(r2, theta2*pi/180.))
new.AppendLine(Polar(r1, theta2*pi/180.))
ring1.Transform(Scale(-1,1))
ring1.Transform(Rotation((180+theta1+theta2)*pi/180.))
for i in range(ring1.len):
s = ring1.Segment(i)
new.AppendSegment(*s)
for path in newpaths:
path.Transform(self.trafo)
if self.objects:
self.objects[0].SetPaths(newpaths)
else:
obj = Sketch.PolyBezier(tuple(newpaths))
self.set_objects([obj])
def recompute(self):
p1 = Polar(self.l1, self.theta1 * pi / 180)
p2 = Polar(self.l2, self.theta2 * pi / 180)
new = Sketch.CreatePath()
newpaths = [new]
new.AppendLine(p1)
new.AppendLine((0, 0))
new.AppendLine(p2)
new.Transform(self.trafo)
alpha = p1.polar()[1]
beta = p2.polar()[1]
if self.objects:
self.objects[0].SetPaths(newpaths)
self.objects[1].SetAngles(alpha, beta)
trafo = self.trafo(Scale(self.r, self.r))
self.objects[1].set_transformation(trafo)
else:
lines = Sketch.PolyBezier(tuple(newpaths))
circle = Sketch.Ellipse(start_angle=alpha, end_angle=beta)
circle.Transform(Scale(self.r, self.r))
self.set_objects([lines, circle])
