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boxespy
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Add tabs to corner

This commit is contained in:
Florian Festi 2017-12-19 21:58:13 +01:00
parent d2496df3bb
commit c02cc1e95c
1 changed files with 32 additions and 8 deletions
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40
boxes/__init__.py
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@ -542,7 +542,7 @@ class Boxes:
### Turtle graphics commands
############################################################
def corner(self, degrees, radius=0):
def corner(self, degrees, radius=0, tabs=0):
"""
Draw a corner
@ -552,15 +552,39 @@ class Boxes:
:param radius: (Default value = 0)
"""
if radius > 0.5* self.thickness:
while degrees > 100:
self.corner(90, radius)
degrees -= 90
while degrees < -100:
self.corner(-90, radius)
degrees -= -90
rad = degrees * math.pi / 180
if tabs and self.tabs:
if degrees > 0:
r_ = radius + self.burn
tabrad = self.tabs / r_
else:
r_ = radius - self.burn
tabrad = -self.tabs / r_
length = abs(r_ * rad)
tabs = min(tabs, max(1, int(abs(length) // (tabs*3*self.tabs))))
l = (length - tabs * self.tabs) / tabs
lang = math.degrees(l / r_)
if degrees < 0:
lang = -lang
print(degrees, radius, l, lang, tabs, math.degrees(tabrad))
self.corner(lang/2., radius)
for i in range(tabs-1):
self.moveArc(math.degrees(tabrad), r_)
self.corner(lang, radius)
if tabs:
self.moveArc(math.degrees(tabrad), r_)
self.corner(lang/2., radius)
return
if radius > 0.5* self.thickness and abs(degrees) > 36:
steps = int(abs(degrees)/ 36.) + 1
for i in range(steps):
self.corner(float(degrees)/steps, radius)
return
if degrees > 0:
self.ctx.arc(0, radius + self.burn, radius + self.burn,
-0.5 * math.pi, rad - 0.5 * math.pi)