light9 Changeset - ff36ce3038be

Changeset - ff36ce3038be

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David McClosky - 15 years ago 2010-06-19 23:40:33
dmcc@bigasterisk.com

Effects: chase can now randomize with random kw, add stack (untested!)
Ignore-this: 977a062ab00c40b629b568f72c70562f

1 file changed with 29 insertions and 3 deletions:

light9/Effects.py

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light9/Effects.py

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 from __future__ import division
-import random
+from random import Random
 import light9.Submaster as Submaster
 from chase import chase as chase_logic
 import showconfig
@@ @@ -8,10 +8,14 @@ from light9 import Patch @@
 from light9.namespaces import L9
 def chase(t, ontime=0.5, offset=0.2, onval=1.0,
           offval=0.0, names=None, combiner=max):
+          offval=0.0, names=None, combiner=max, random=False):
     """names is list of URIs. returns a submaster that chases through
     the inputs"""
     sub_vals = {}
     if random:
         r = Random(random)
         names = names[:]
         r.shuffle(names)
     chase_vals = chase_logic(t, ontime, offset, onval, offval, names, combiner)
     lev = {}
     for uri, value in chase_vals.items():
@@ @@ -26,6 +30,28 @@ def chase(t, ontime=0.5, offset=0.2, onv @@
     ret = Submaster.Submaster(leveldict=lev, temporary=True)
     return ret
 def stack(t, names=None):
     """names is list of URIs. returns a submaster that stacks the the inputs"""
     frac = 1.0 / (len(names) + 1)
     threshold = frac
     lev = {}
     for uri in names:
         try:
             dmx = Patch.dmx_from_uri(uri)
         except KeyError:
             print ("chase includes %r, which doesn't resolve to a dmx chan" %
                    uri)
             continue
         lev[dmx] = 1
         threshold += frac
         if threshold > t:
             break
     ret = Submaster.Submaster(leveldict=lev, temporary=True)
     return ret
 def configExprGlobals():
     graph = showconfig.getGraph()
     ret = {}

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