def goto(newgen):
currgen = int(g.getgen())
if newgen < currgen:
# try to go back to starting gen (not necessarily 0) and
# then forwards to newgen; note that reset() also restores
# algorithm and/or rule, so too bad if user changed those
# after the starting info was saved;
# first save current location and scale
midx, midy = g.getpos()
mag = g.getmag()
g.reset()
# restore location and scale
g.setpos(midx, midy)
g.setmag(mag)
# current gen might be > 0 if user loaded a pattern file
# that set the gen count
currgen = int(g.getgen())
if newgen < currgen:
g.error("Can't go back any further; pattern was saved " +
"at generation " + str(currgen) + ".")
return
if newgen == currgen: return
oldsecs = time()
# before stepping we advance by 1 generation, for two reasons:
# 1. if we're at the starting gen then the *current* step size
# will be saved (and restored upon Reset/Undo) rather than a
# possibly very large step size
# 2. it increases the chances the user will see updates and so
# get some idea of how long the script will take to finish
# (otherwise if the base is 10 and a gen like 1,000,000,000
# is given then only a single step() of 10^9 would be done)
g.run(1)
currgen += 1
# use fast stepping (thanks to PM 2Ring)
oldstep = g.getstep()
for i, d in enumerate(intbase(newgen - currgen, g.getbase())):
if d > 0:
g.setstep(i)
for j in xrange(d):
if g.empty():
g.show("Pattern is empty.")
return
g.step()
newsecs = time()
if newsecs - oldsecs >= 1.0: # do an update every sec
oldsecs = newsecs
g.update()
g.setstep(oldstep)
def goto(newgen):
currgen = int(g.getgen())
if newgen < currgen:
# try to go back to starting gen (not necessarily 0) and
# then forwards to newgen; note that reset() also restores
# algorithm and/or rule, so too bad if user changed those
# after the starting info was saved;
# first save current location and scale
midx, midy = g.getpos()
mag = g.getmag()
g.reset()
# restore location and scale
g.setpos(midx, midy)
g.setmag(mag)
# current gen might be > 0 if user loaded a pattern file
# that set the gen count
currgen = int(g.getgen())
if newgen < currgen:
g.error("Can't go back any further; pattern was saved " +
"at generation " + str(currgen) + ".")
return
if newgen == currgen: return
oldsecs = time()
# before stepping we advance by 1 generation, for two reasons:
# 1. if we're at the starting gen then the *current* step size
# will be saved (and restored upon Reset/Undo) rather than a
# possibly very large step size
# 2. it increases the chances the user will see updates and so
# get some idea of how long the script will take to finish
# (otherwise if the base is 10 and a gen like 1,000,000,000
# is given then only a single step() of 10^9 would be done)
g.run(1)
currgen += 1
# use fast stepping (thanks to PM 2Ring)
oldstep = g.getstep()
for i, d in enumerate(intbase(newgen - currgen, g.getbase())):
if d > 0:
g.setstep(i)
for j in xrange(d):
if g.empty():
g.show("Pattern is empty.")
return
g.step()
newsecs = time()
if newsecs - oldsecs >= 1.0: # do an update every sec
oldsecs = newsecs
g.update()
g.setstep(oldstep)
def gt_setup(gen):
currgen = int(g.getgen())
# Remove leading '+' or '-' if any, and convert rest to int or long
if gen[0] == '+':
n = int(gen[1:])
newgen = currgen + n
elif gen[0] == '-':
n = int(gen[1:])
if currgen > n:
newgen = currgen - n
else:
newgen = 0
else:
newgen = int(gen)
if newgen < currgen:
# try to go back to starting gen (not necessarily 0) and
# then forwards to newgen; note that reset() also restores
# algorithm and/or rule, so too bad if user changed those
# after the starting info was saved;
# first save current location and scale
midx, midy = g.getpos()
mag = g.getmag()
g.reset()
# restore location and scale
g.setpos(midx, midy)
g.setmag(mag)
# current gen might be > 0 if user loaded a pattern file
# that set the gen count
currgen = int(g.getgen())
if newgen < currgen:
g.error("Can't go back any further; pattern was saved " +
"at generation " + str(currgen) + ".")
return 0
return newgen - currgen
elif newgen > currgen:
return newgen - currgen
else:
return 0
def gt_setup(gen):
currgen = int(g.getgen())
# Remove leading '+' or '-' if any, and convert rest to int or long
if gen[0] == '+':
n = int(gen[1:])
newgen = currgen + n
elif gen[0] == '-':
n = int(gen[1:])
if currgen > n:
newgen = currgen - n
else:
newgen = 0
else:
newgen = int(gen)
if newgen < currgen:
# try to go back to starting gen (not necessarily 0) and
# then forwards to newgen; note that reset() also restores
# algorithm and/or rule, so too bad if user changed those
# after the starting info was saved;
# first save current location and scale
midx, midy = g.getpos()
mag = g.getmag()
g.reset()
# restore location and scale
g.setpos(midx, midy)
g.setmag(mag)
# current gen might be > 0 if user loaded a pattern file
# that set the gen count
currgen = int(g.getgen())
if newgen < currgen:
g.error("Can't go back any further; pattern was saved " +
"at generation " + str(currgen) + ".")
return 0
return newgen - currgen
elif newgen > currgen:
return newgen - currgen
else:
return 0