40 lines
966 B
Python
40 lines
966 B
Python
from eca import *
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import random
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## You might have to update the root path to point to the correct path
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## (by default, it points to <rules>_static)
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# root_content_path = 'template_static'
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# binds the 'setup' function as the action for the 'init' event
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# the action will be called with the context and the event
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@event('init')
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def setup(ctx, e):
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ctx.count = 0
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fire('sample', {'previous': 0.0})
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# define a normal Python function
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def clip(lower, value, upper):
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return max(lower, min(value, upper))
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@event('sample')
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def generate_sample(ctx, e):
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ctx.count += 1
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if ctx.count % 50 == 0:
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emit('debug', {'text': 'Log message #'+str(ctx.count)+'!'})
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# base sample on previous one
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sample = clip(-100, e.data['previous'] + random.uniform(+5.0, -5.0), 100)
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# emit to outside world
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emit('sample',{
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'action': 'add',
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'value': sample
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})
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# chain event
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fire('sample', {'previous': sample}, delay=0.05)
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