def make_constraints(self):
base = self.components['base']
top = self.components['top']
fastener = self.components['fastener']
return [
constraint.Fixed(base.mate_bottom),
constraint.Coincident(top.mate_bottom, base.mate_top),
constraint.Coincident(fastener.mate_origin,
top.mate_top + CoordSystem((1, 2, 0))),
]
def make_constraints(self):
bottom = self.components['bottom']
top = self.components['top']
spring = self.components['spring']
return [
constraint.Fixed(bottom.mate_side),
constraint.Coincident(
top.mate_spring_center,
bottom.mate_spring_center + CoordSystem(normal=(0, 0, -1))),
constraint.Coincident(spring.mate_origin,
bottom.mate_spring_center),
]
def make_constraints(self):
inner = self.components['inner_ring']
outer = self.components['outer_ring']
return [
constraint.Fixed(inner.mate_origin),
constraint.Coincident(outer.mate_origin, inner.mate_origin),
]
def make_constraints(self):
outer = self.components['outer_ring']
inner = self.components['inner_ring']
ring = self.components['rolling_elements']
constraints = [
constraint.Fixed(outer.mate_origin),
constraint.Coincident(
inner.get_mate_center(angle=0),
outer.get_mate_center(angle=self.angle)
),
constraint.Coincident(ring.mate_origin, outer.mate_origin),
]
# rolling elements
# FIXME: use a more sensible constraint when available (see issue #30)
return constraints