Source Code for Module SmootLight.behaviors.Sink

 1   
 2  from operationscore.Behavior import * 
 3  import math 
 4  import util.TimeOps as timeOps 
 5  #Required Args: 
 6  #Period (ms), MaxHeight, Width 
 7 -class Sink(Behavior): 
 8      """RiseFall is a behavior that creates a rising and falling column of light.  Specify: 
 9      <MaxHeight> -- the maximum height that it rises to. 
10      <Width> -- the width of the column OR <Left> and <Right> 
11      <Period> -- the period of oscillation in ms 
12   
13      Designed to be used as part of a recursive hook. 
14      """ 
15   
16 -    def processResponse(self, sensorInputs, recurInputs): 
17          ret = [] 
18          for data in sensorInputs: 
19              #first time with behavior: 
20              data = dict(data) 
21              if not 'StartTime' in data: 
22                  data['StartTime'] = timeOps.time() 
23                  data['Period'] = self['Period'] 
24                  data['MaxHeight'] = self['MaxHeight']  #Consider just using += 
25                  if not 'Bottom' in data: 
26                      data['Bottom'] = data['Location'][1] 
27                  if 'Width' in self: #TODO: improve 
28                      data['Width'] = self['Width'] 
29                      data['Left'] = data['Location'][0]-data['Width']/2. 
30                      data['Right'] = data['Location'][0]+data['Width']/2. 
31              currentTime = timeOps.time() 
32              deltaTime = currentTime-data['StartTime'] 
33              data['Height'] = data['MaxHeight']*math.cos(deltaTime/data['Period']*(math.pi*2)) 
34   
35              data['Location'] = "{x}>"+str(data['Left']) + ", " +\ 
36              "{x}<"+str(data['Right'])+", {y}<" + str(data['Bottom']) + ",\ 
37              {y}>"+str(data['Bottom']-data['Height']) 
38   
39              ret.append(data) 
40          return (ret, []) 
41