def get_outsk(self, inst, fn):
import random
while True:
variance = random.uniform(-self.time_variance, self.time_variance)
if schedule.now() >= -variance: break
outsk = fn() + variance
return outsk
def value(self):
cur_time = schedule.now()
if cur_time < self.start_time:
return self.start_val
elif cur_time >= self.start_time + self.dur:
return self.end_val
else:
elapsed = cur_time-self.start_time
return self.start_val + (self.end_val-self.start_val) * (float(elapsed) / self.dur)
def __init__(self, minval=0., maxval=1., dur=10, table=None, loop=False):
if table is None:
table = rtcmix.maketable('line',1000, 0,0, 1,1)
self.min=minval
self.max=maxval
self.dur=dur
self.table=table
self.start_time=schedule.now()
self.loop=loop
def value(self):
cur_time = schedule.now()
if cur_time >= self.start_time + self.dur:
if not self.loop:
return self.end_val
elapsed = cur_time-self.start_time
if self.loop:
elapsed = elapsed%self.dur
index = float(elapsed)/self.dur*rtcmix.tablelen(self.table)
val = rtcmix.samptable(self.table, index)
if self.table_is_non_negative():
return self.min + (self.max-self.min) * val
else:
return self.min + (self.max-self.min) * (val+1.)/2.
def get_outsk(self):
return self.outsk + schedule.now()
def __init__(self, start_val=0., end_val=1., dur=10):
self.start_time = schedule.now()
self.start_val = start_val
self.end_val = end_val
self.dur = dur