light9 Changeset - 1c590824dd14

Changeset - 1c590824dd14

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David McClosky - 20 years ago 2005-06-18 16:59:04
dmcc@bigasterisk.com

chase logic is (mostly) fixed, integrate with curvecalc
Also add some quick names for chases

2 files changed with 18 insertions and 6 deletions:

bin/curvecalc

light9/chase.py

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bin/curvecalc

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@@ @@ -15,12 +15,19 @@ from twisted.web.xmlrpc import Proxy @@
 import run_local
 from light9 import Submaster, dmxclient, networking, showconfig
 from light9.TLUtility import make_attributes_from_args
+from light9.TLUtility import make_attributes_from_args, dict_subset
 from light9.zoomcontrol import Zoomcontrol
 from light9.curve import Curve, Curveview, Curveset, Curvesetview
 from light9.wavelength import wavelength
 from light9.uihelpers import toplevelat
 import light9.Effects
 fx_dict = light9.Effects.__dict__
 all_fx = fx_dict['__all__']
 expr_helpers = dict_subset(fx_dict, all_fx)
 del fx_dict
 del all_fx
 class Music:
     def __init__(self):
         self.player=None # xmlrpc Proxy to player
@@ @@ -65,6 +72,9 @@ class Subexpr: @@
         glo = self.curveset.globalsdict()
         glo['t'] = t
         # add in functions from Effects
         glo.update(expr_helpers)
         glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
         glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
         glo['within'] = lambda a, b: a < t < b

light9/chase.py

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 from __future__ import division
-def chase(t, ontime=0.5, offtime=0.5, offset=0.2, onval=1.0,
 def chase(t, ontime=0.5, offset=0.2, onval=1.0,
           offval=0.0, names=None, combiner=max):
     names = names or []
     period = ontime + offtime
     # maybe this is better:
     # period = ontime + ((offset + ontime) * (len(names) - 1))
     period = (offset + ontime) * len(names)
     outputs = {}
     for index, name in enumerate(names):
         # normalize our time
         local_offset = offset * index
+        local_offset = (offset + ontime) * index
         local_t = t - local_offset
         local_t %= period
@@ @@ -19,7 +21,7 @@ def chase(t, ontime=0.5, offtime=0.5, of @@
         # it could be in there twice (in a bounce like (1, 2, 3, 2)
         if name in outputs:
-            outputs[name] = max(value, outputs[name])
+            outputs[name] = combiner(value, outputs[name])
         else:
             outputs[name] = value
     return outputs
@@ @@ -28,7 +30,7 @@ if __name__ == "__main__": @@
     # a little testing
     for x in range(80):
         x /= 20.0
-        output = chase(x, onval='x', offval=' ', ontime=0.3, offtime=0.6,
+        output = chase(x, onval='x', offval=' ', ontime=0.1, offset=0.2,
                        names=('a', 'b', 'c', 'd'))
         output = output.items()
         output.sort()

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