标签:python while-loop freeze blender
好吧,我正在尝试为Blender写一个附加组件,我需要每隔n秒做一次,但是,我不能使用while循环,因为它冻结了Blender!我该怎么办?
解决方法:
从Strange errors using ‘threading’ module的Blender API文档:
Python threading with Blender only works properly when the threads finish up before the script does. By using threading.join() for example.
Note: Pythons threads only allow co-currency and won’t speed up your scripts on multi-processor systems, the subprocess and multiprocess modules can be used with blender and make use of multiple CPU’s too.
from threading import Thread, Event
class Repeat(Thread):
def __init__(self,delay,function,*args,**kwargs):
Thread.__init__(self)
self.abort = Event()
self.delay = delay
self.args = args
self.kwargs = kwargs
self.function = function
def stop(self):
self.abort.set()
def run(self):
while not self.abort.isSet():
self.function(*self.args,**self.kwargs)
self.abort.wait(self.delay)
例:
from time import sleep
def do_work(foo):
print "busy", foo
r = Repeat(1,do_work,3.14) # execute do_work(3.14) every second
r.start() # start the thread
sleep(5) # let this demo run for 5s
r.stop() # tell the thread to wake up and stop
r.join() # don't forget to .join() before your script ends
标签:python,while-loop,freeze,blender 来源: https://codeday.me/bug/20190625/1287652.html
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