blendercam/scripts/addons/fabex/post_processors/drag_knife.py

82 wiersze
2.1 KiB
Python

################################################################################
# drag knife.py
#
# NC code creator for attaching Z coordinates to a surface
#
# Dan Heeks 26th April 2012
import area
import nc
from kurve_funcs import cut_curve as cut_curve
from . import recreator
dragging = False
################################################################################
class Creator(recreator.Redirector):
def __init__(self, original, drag_distance):
recreator.Redirector.__init__(self, original)
self.drag_distance = drag_distance
self.path = None
def cut_path(self):
if self.path == None:
return
print(self.drag_distance)
self.path.OffsetForward(self.drag_distance, False)
nc.creator = nc.creator.original
if self.path.getNumVertices() > 0:
v = self.path.FirstVertex()
nc.creator.feed(v.p.x, v.p.y)
cut_curve(self.path)
nc.creator = self
self.path = area.Curve()
def feed(self, x=None, y=None, z=None, a=None, b=None, c=None):
px = self.x
py = self.y
pz = self.z
recreator.Redirector.feed(self, x, y, z, a, b, c)
if self.x == None or self.y == None or self.z == None:
return
if px == self.x and py == self.y:
return
# add a line to the path
if self.path == None:
self.path = area.Curve()
self.path.append(area.Point(self.x, self.y))
def arc(self, x=None, y=None, z=None, i=None, j=None, k=None, r=None, ccw=True):
recreator.Redirector.arc(self, x, y, z, i, j, k, r, ccw)
# add an arc to the path
if self.path == None:
self.path = area.Curve()
self.path.append(
area.Vertex(1 if ccw else -1, area.Point(self.x, self.y), area.Point(i, j))
)
def drag_begin(drag_distance):
global dragging
if dragging == True:
drag_end()
nc.creator = Creator(nc.creator, drag_distance)
dragging = True
def drag_end():
global dragging
nc.creator.cut_path()
nc.creator = nc.creator.original
attached = False