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connector: add support for racks

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looooo
2021-12-06 21:03:14 +01:00
parent 4aa2559629
commit d77f5c1ab4
1 changed files with 22 additions and 5 deletions
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27
freecad/gears/connector.py
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@@ -21,7 +21,7 @@ import copy
import numpy as np
import FreeCAD
from pygears import __version__
from .features import InvoluteGear, CycloidGear
from .features import InvoluteGear, CycloidGear, InvoluteGearRack, CycloidGearRack
from pygears.computation import compute_shifted_gears
class ViewProviderGearConnector(object):
@@ -37,9 +37,6 @@ class ViewProviderGearConnector(object):
def getIcon(self):
return self.icon_fn
def claimChildren(self):
return [self.vobj.Object.master_gear, self.vobj.Object.slave_gear]
def __getstate__(self):
return {"icon_fn": self.icon_fn}
@@ -90,6 +87,25 @@ class GearConnector(object):
mat1 = rot * mat0 * rot2 * rot3 * rot4
mat1.move(fp.master_gear.Placement.Base)
fp.slave_gear.Placement = mat1
if ((isinstance(fp.master_gear.Proxy, InvoluteGear) and isinstance(fp.slave_gear.Proxy, InvoluteGearRack))
or (isinstance(fp.master_gear.Proxy, CycloidGear) and isinstance(fp.slave_gear.Proxy, CycloidGearRack))):
fp.master_gear.Placement.Rotation.Angle = np.deg2rad(fp.angle2.Value)
angle_master = fp.master_gear.Placement.Rotation.Angle
dw_master = fp.master_gear.dw.Value
dw_slave = 0
dist = -(dw_master + dw_slave) / 2
mat0 = FreeCAD.Matrix() # unity matrix
mat0.move(FreeCAD.Vector(dist, 0, 0))
mat1 = FreeCAD.Matrix()
mat1.move(FreeCAD.Vector(0, np.deg2rad(fp.angle1.Value) * dw_master / 2, 0))
mat2 = FreeCAD.Matrix()
mat2.move(FreeCAD.Vector(0, -np.deg2rad(fp.angle2.Value) * dw_master / 2, 0))
rot = FreeCAD.Rotation(FreeCAD.Vector(0,0,1), fp.angle1).toMatrix()
mat3 = rot * mat2 *mat1 * mat0
mat3.move(fp.master_gear.Placement.Base)
fp.slave_gear.Placement = mat3
if isinstance(fp.master_gear.Proxy, CycloidGear) and isinstance(fp.slave_gear.Proxy, CycloidGear):
fp.master_gear.Placement.Rotation.Angle = np.deg2rad(fp.angle2.Value)
angle_master = fp.master_gear.Placement.Rotation.Angle
@@ -97,7 +113,7 @@ class GearConnector(object):
dw_slave = fp.slave_gear.dw
dist = (dw_master + dw_slave) / 2
mat0 = FreeCAD.Matrix() # unity matrix
trans = FreeCAD.Vector(dist)
trans = FreeCAD.Vector(dist, 0, 0)
mat0.move(trans)
rot = FreeCAD.Rotation(FreeCAD.Vector(0,0,1), fp.angle1).toMatrix()
angle2 = dw_master / dw_slave * fp.angle1.Value
@@ -109,6 +125,7 @@ class GearConnector(object):
mat1 = rot * mat0 * rot2 * rot3 * rot4
mat1.move(fp.master_gear.Placement.Base)
fp.slave_gear.Placement = mat1
def execute(self, fp):
self.onChanged(fp, None)